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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 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 on
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, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
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
…		…
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
…		…
716	";	999	";
717	die if $@;	1000	die if $@;
718	}	1001	}
719		1002
720	our $override;	1003	our $override;
721	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?
722		1005
723	sub override {	1006	sub override {
724	$override = 1;	1007	$override = 1;
725	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
726	}	1009	}
727		1010
728	sub do_invoke {	1011	sub do_invoke {
729	my $event = shift;	1012	my $event = shift;
730	my $callbacks = shift;	1013	my $callbacks = shift;
731		1014
732	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
733		1016
734	local $override;	1017	local $override;
735		1018
736	for (@$callbacks) {	1019	for (@$callbacks) {
737	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
746	}	1029	}
747		1030
748	0	1031	0
749	}	1032	}
750		1033
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1035
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1037
755	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
756		1039
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1043
761	=back	1044	=back
762		1045
763	=cut	1046	=cut
764		1047
765	#############################################################################	1048	#############################################################################
766	# 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, $ob2
		1091	}
767		1092
768	sub reattach {	1093	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1095	my ($obj) = @_;
771		1096
		1097	# no longer needed after getting rid of delete_package?
772	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
773		1099
774	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
775		1101
776	@$registry = ();	1102	@$registry = ();
777		1103
…		…
792	cf::attachable->attach (	1118	cf::attachable->attach (
793	prio => -1000000,	1119	prio => -1000000,
794	on_instantiate => sub {	1120	on_instantiate => sub {
795	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
796		1122
797	$data = from_json $data;	1123	$data = decode_json $data;
798		1124
799	for (@$data) {	1125	for (@$data) {
800	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
801		1127
802	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1144	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
820		1146
821	sync_job {	1147	sync_job {
822	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
825		1152
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
830	close $fh;	1160	aio_close $fh;
831		1161
832	if (@$objs) {	1162	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
838	close $fh;	1171	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
840	}	1173	}
841	} else {	1174	} else {
842	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
843	}	1176	}
844		1177
845	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1182	} else {
847	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
848	}	1184	}
849	} else {	1185	} else {
850	aio_unlink $filename;	1186	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
852	}	1188	}
853	}	1189	};
854	}	1190	}
855		1191
856	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
858		1194
…		…
870	or return;	1206	or return;
871		1207
872	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
874	or return;	1210	or return;
		1211
875	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
876	}	1214	}
877		1215
		1216	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
880	return ($data, $av);	1220	($data, $av)
881	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
882		1228
883	#############################################################################	1229	#############################################################################
884	# command handling &c	1230	# command handling &c
885		1231
886	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1246	}
901		1247
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1249
904	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
905		1255
906	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
907	called.	1257	called.
908		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
909	=cut	1270	=cut
910		1271
911	sub register_extcmd {	1272	sub register_extcmd {
912	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
913		1274
914	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
915	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
916		1285
917	cf::player->attach (	1286	cf::player->attach (
918	on_command => sub {	1287	on_command => sub {
919	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
920		1289
…		…
928	cf::override;	1297	cf::override;
929	},	1298	},
930	on_extcmd => sub {	1299	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
932		1301
933	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1303
935	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
941	} else {	1319	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1321	}
944		1322
945	cf::override;	1323	cf::override;
946	},	1324	},
947	);	1325	);
948		1326
		1327	# "readahead" all extensions
949	sub load_extension {	1328	sub cache_extensions {
950	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
951		1330
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1334	}
977	die $@;
978	}	1335	};
979		1336
980	push @EXTS, $pkg;	1337	$grp
981	}	1338	}
982		1339
983	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
984	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1345	next unless -r $path;
986	eval {	1346
987	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
988	1	1403	}
989	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
990	}	1409	};
991	}	1410	}
992		1411
993	#############################################################################	1412	#############################################################################
994		1413
		1414	=back
		1415
995	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
996		1417
997	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
998		1419
999	=cut	1420	=cut
1000		1421
1001	package cf::player;	1422	package cf::player;
1002		1423
1003	use Coro::AIO;	1424	use Coro::AIO;
1004		1425
1005	=head3 cf::player	1426	=head3 cf::player
1006		1427
1007	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
1008		1443
1009	=item cf::player::find $login	1444	=item cf::player::find $login
1010		1445
1011	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1012		1447
…		…
1031		1466
1032	sub exists($) {	1467	sub exists($) {
1033	my ($login) = @_;	1468	my ($login) = @_;
1034		1469
1035	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1037	}	1472	}
1038		1473
1039	sub find($) {	1474	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1476	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1487
1053	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1056	}	1497	}
1057	}	1498	}
1058	}	1499	}
1059		1500
…		…
1068	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1069		1510
1070	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1072		1513
		1514	cf::get_slot 0.01;
		1515
1073	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1074	Coro::cede;	1517	cf::cede_to_tick;
1075	}	1518	}
1076		1519
1077	sub new($) {	1520	sub new($) {
1078	my ($login) = @_;	1521	my ($login) = @_;
1079		1522
…		…
1085	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1086		1529
1087	$self	1530	$self
1088	}	1531	}
1089		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1090	=item $pl->quit_character	1543	=item $pl->quit_character
1091		1544
1092	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1094		1547
…		…
1098	my ($pl) = @_;	1551	my ($pl) = @_;
1099		1552
1100	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1101		1554
1102	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1557
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1109		1564
1110	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1602	or return [];
1148		1603
1149	my @logins;	1604	my @logins;
1150		1605
1151	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1155		1616
1156	utf8::decode $login;	1617	utf8::decode $login;
1157	push @logins, $login;	1618	push @logins, $login;
1158	}	1619	}
1159		1620
…		…
1186	}	1647	}
1187		1648
1188	\@paths	1649	\@paths
1189	}	1650	}
1190		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1191	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1192		1657
1193	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1194		1659
1195	=cut	1660	=cut
1196		1661
1197	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1199		1664
1200	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1666	}
1204		1667
1205	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1206		1669
1207	Sends an ext event to the client.	1670	Sends an ext event to the client.
1208		1671
1209	=cut	1672	=cut
1210		1673
1211	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1213		1676
1214	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1215	}	1678	}
1216		1679
1217	=head3 cf::region	1680	=head3 cf::region
1218		1681
1219	=over 4	1682	=over 4
…		…
1222		1685
1223	package cf::region;	1686	package cf::region;
1224		1687
1225	=item cf::region::find_by_path $path	1688	=item cf::region::find_by_path $path
1226		1689
1227	Tries to decuce the probable region for a map knowing only its path.	1690	Tries to decuce the likely region for a map knowing only its path.
1228		1691
1229	=cut	1692	=cut
1230		1693
1231	sub find_by_path($) {	1694	sub find_by_path($) {
1232	my ($path) = @_;	1695	my ($path) = @_;
1233		1696
1234	my ($match, $specificity);	1697	my ($match, $specificity);
1235		1698
1236	for my $region (list) {	1699	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1700	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1701	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1702	if $region->specificity > $specificity;
1240	}	1703	}
1241	}	1704	}
1242		1705
…		…
1263	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1265		1728
1266	sub generate_random_map {	1729	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1268	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1735	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1772	my ($self, $merge) = @_;
1307		1773
1308	# we have to keep some variables in memory intact	1774	# we have to keep some variables in memory intact
1309	local $self->{path};	1775	local $self->{path};
1310	local $self->{load_path};	1776	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1777
1314	$self->SUPER::thawer_merge ($merge);	1778	$self->SUPER::thawer_merge ($merge);
1315	}	1779	}
1316		1780
1317	sub normalise {	1781	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1365	return $self;	1829	return $self;
1366	}	1830	}
1367	}	1831	}
1368		1832
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1834	()
1371	}	1835	}
1372		1836
1373	sub init {	1837	sub init {
1374	my ($self) = @_;	1838	my ($self) = @_;
…		…
1396		1860
1397	# the temporary/swap location	1861	# the temporary/swap location
1398	sub save_path {	1862	sub save_path {
1399	my ($self) = @_;	1863	my ($self) = @_;
1400		1864
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1403	}	1867	}
1404		1868
1405	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1406	sub uniq_path {	1870	sub uniq_path {
1407	my ($self) = @_;	1871	my ($self) = @_;
1408		1872
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1411	}	1875	}
1412		1876
1413	# and all this just because we cannot iterate over	1877	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1878	my ($self) = @_;
1417		1879
1418	$_->change_map_light ($change)	1880	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1881
		1882	$self->do_decay_objects;
1420	}	1883	}
1421		1884
1422	sub unlink_save {	1885	sub unlink_save {
1423	my ($self) = @_;	1886	my ($self) = @_;
1424		1887
…		…
1429		1892
1430	sub load_header_from($) {	1893	sub load_header_from($) {
1431	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1432		1895
1433	utf8::encode $path;	1896	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1439		1905
1440	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1441		1907
1442	1	1908	1
1443	}	1909	}
…		…
1482	$self->load_header_orig	1948	$self->load_header_orig
1483	or return;	1949	or return;
1484	$self->prepare_orig;	1950	$self->prepare_orig;
1485	}	1951	}
1486		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1487	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1957	unless $self->default_region;
1489		1958
1490	1	1959	1
1491	}	1960	}
…		…
1494	sub find {	1963	sub find {
1495	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1496		1965
1497	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1498		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1970
1501	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1504	or return;	1973	or return;
1505		1974
1506	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1507		1976
1508	$map->load_header	1977	$map->load_header
1509	or return;	1978	or return;
1510		1979
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1514	$map->reset;	1985	$map->reset;
1515	undef $guard;
1516	return find $path;	1986	return find $path;
1517	}	1987	}
1518		1988
1519	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1520	}	1990	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1530		2000
1531	my $path = $self->{path};	2001	my $path = $self->{path};
1532		2002
1533	{	2003	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1535		2005
		2006	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2008
1538	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1539		2010
1540	$self->alloc;	2011	$self->alloc;
1541		2012
1542	$self->pre_load;	2013	$self->pre_load;
1543	Coro::cede;	2014	cf::cede_to_tick;
1544		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2018	$self->_load_objects ($f)
1546	or return;	2019	or return;
1547		2020
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1549	if delete $self->{load_original};	2022	if delete $self->{load_original};
1550		2023
1551	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2025	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2028	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1556	}	2032	}
1557	}	2033	}
1558		2034
1559	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1560	# now do the right thing for maps	2038	# now do the right thing for maps
1561	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2041	unless $self->difficulty;
1564	Coro::cede;	2042	cf::cede_to_tick;
1565		2043
1566	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2045	$self->decay_objects;
1568	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1569	$self->update_buttons;	2047	$self->update_buttons;
1570	Coro::cede;	2048	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2049	$self->activate;
1574	}	2050	}
1575		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2056	}
1578		2057
1579	$self->post_load;	2058	$self->post_load;
1580	}	2059	}
1581		2060
…		…
1583	my ($self, $ob) = @_;	2062	my ($self, $ob) = @_;
1584		2063
1585	return find "~" . $ob->name . "/" . $self->{path}	2064	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2065	if $self->per_player;
1587		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
1588	$self	2070	$self
1589	}	2071	}
1590		2072
1591	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2074	sub load_neighbours {
1593	my ($map) = @_;	2075	my ($map) = @_;
1594		2076
1595	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1596		2078
1597	for (0 .. 3) {	2079	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1599	or next;	2081	or next;
1600	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1601	or next;	2083	or next;
1602	$neigh->load;	2084	$neigh->load;
1603		2085
		2086	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2089	}
1607		2090
1608	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1610	or next;	2094	or next;
1611	$neigh->load;	2095	$neigh->load;
1612	}	2096	}
1613	}	2097	}
1614		2098
…		…
1619	}	2103	}
1620		2104
1621	sub do_load_sync {	2105	sub do_load_sync {
1622	my ($map) = @_;	2106	my ($map) = @_;
1623		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1624	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1625	}	2112	}
1626		2113
1627	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1629		2116
1630	sub find_async {	2117	sub find_async {
1631	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1632		2119
1633	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1634		2121
1635	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2124	}
1638		2125
1639	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1640	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1641	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2133	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2134	$map->load if $v;
		2135	}
1646		2136
1647	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1648	}	2138	}
1649	}	2139	}
1650	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1651	};	2141	};
1652	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2145	}
1656		2146
1657	sub save {	2147	sub save {
1658	my ($self) = @_;	2148	my ($self) = @_;
1659		2149
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2151
1662	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1663		2153
1664	return unless $self->dirty;	2154	return unless $self->dirty;
1665		2155
…		…
1671	return if $self->{deny_save};	2161	return if $self->{deny_save};
1672		2162
1673	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1674		2164
1675	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1677	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1678		2171
1679	if ($uniq) {	2172	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2175	} else {
…		…
1688	my ($self) = @_;	2181	my ($self) = @_;
1689		2182
1690	# save first because save cedes	2183	# save first because save cedes
1691	$self->save;	2184	$self->save;
1692		2185
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2187
1695	return if $self->players;	2188	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2190	return if $self->{deny_save};
1698		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2196	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2197	}
1702		2198
1703	sub reset_at {	2199	sub reset_at {
1704	my ($self) = @_;	2200	my ($self) = @_;
1705		2201
1706	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1709		2204
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2207
…		…
1723	my ($self) = @_;	2218	my ($self) = @_;
1724		2219
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2221
1727	return if $self->players;	2222	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2223
1730	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
1731		2225
1732	$self->in_memory (cf::MAP_SWAPPED);	2226	$self->in_memory (cf::MAP_SWAPPED);
1733		2227
1734	# need to save uniques path	2228	# need to save uniques path
1735	unless ($self->{deny_save}) {	2229	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2233	if $uniq;
1740	}	2234	}
1741		2235
1742	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1743		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2240	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2241
1748	$self->unlink_save;	2242	$self->unlink_save;
1749	$self->destroy;	2243	$self->destroy;
1750	}	2244	}
1751		2245
1752	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1753		2247
1754	sub nuke {	2248	sub nuke {
1755	my ($self) = @_;	2249	my ($self) = @_;
1756		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
1757	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
1758		2255
1759	$self->unlink_save;	2256	$self->unlink_save;
1760		2257
1761	bless $self, "cf::map";	2258	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2263
1767	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
1768		2266
1769	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
		2268	}
		2269
		2270	=item $maps = cf::map::tmp_maps
		2271
		2272	Returns an arrayref with all map paths of currently instantiated and saved
		2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
		2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
		2287
		2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1770	}	2304	}
1771		2305
1772	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1773		2307
1774	Returns an arrayref of paths of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2309	instantiated unique items. May block.
1776		2310
1777	=cut	2311	=cut
1778		2312
1779	sub unique_maps() {	2313	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2314	[
1781	or return;	2315	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2316	utf8::decode $_;
1787	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2319	? ()
1790	push @paths, cf::map::normalise $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2322	]
1792
1793	\@paths
1794	}	2323	}
1795
1796	package cf;
1797		2324
1798	=back	2325	=back
1799		2326
1800	=head3 cf::object	2327	=head3 cf::object
1801		2328
…		…
1805		2332
1806	=over 4	2333	=over 4
1807		2334
1808	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1809		2336
1810	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1811		2339
1812	=cut	2340	=cut
1813		2341
1814	sub inv_recursive_;	2342	sub inv_recursive_;
1815	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1818		2346
1819	sub inv_recursive {	2347	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1821	}	2349	}
1822		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1823	package cf;	2379	package cf;
1824		2380
1825	=back	2381	=back
1826		2382
1827	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1836		2392
1837	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1838		2408
1839	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2410	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1844		2414
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2416
1847	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1849	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1852	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1853	}	2442	}
1854		2443
1855	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1856		2445
1857	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1870		2459
1871	=item $player_object->enter_link	2460	=item $player_object->enter_link
1872		2461
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2463
1875	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
1877		2468
1878	Will never block.	2469	Will never block.
1879		2470
1880	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1881		2472
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1939		2530
1940	$map->load;	2531	$map->load;
1941	$map->load_diag;	2532	$map->load_neighbours;
1942		2533
1943	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1944	$self->activate_recursive;	2536	$self->activate_recursive;
1945		2537
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1948	}	2540	}
1949		2541
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2543
1952	Moves the player to the given map-path and coordinates by first freezing	2544	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2547	the new (success) or old (failed) map position. In either case, $done will
		2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
1956		2552
1957	=cut	2553	=cut
1958		2554
1959	our $GOTOGEN;	2555	our $GOTOGEN;
1960		2556
1961	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2559
1964	# do generation counting so two concurrent goto's will be executed in-order	2560	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2562
1967	$self->enter_link;	2563	$self->enter_link;
1968		2564
1969	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1970	my $map = eval {	2587	my $map = eval {
1971	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
1972		2589
1973	if ($map) {	2590	if ($map) {
1974	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
1976	} else {	2593	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2595	}
1979		2596
1980	$map	2597	$map
1981	};	2598	};
1982		2599
…		…
1987		2604
1988	if ($gen == $self->{_goto_generation}) {	2605	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2606	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
1991	}	2608	}
		2609
		2610	$done->() if $done;
1992	})->prio (1);	2611	})->prio (1);
1993	}	2612	}
1994		2613
1995	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1996		2615
…		…
2016	}	2635	}
2017		2636
2018	sub prepare_random_map {	2637	sub prepare_random_map {
2019	my ($exit) = @_;	2638	my ($exit) = @_;
2020		2639
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2642	# that depends on the exit object
2026		2643
2027	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2646	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2034	}	2653	}
2035		2654
2036	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2037		2656
2038	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2041		2660
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2663	undef $fh;
2045	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2046		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2049	}	2672	}
2050	}	2673	}
2051		2674
2052	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2054		2677
2055	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2056		2679
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2680	$self->enter_link;
2069		2681
2070	(async {	2682	(async {
2071	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2072	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2073	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2074		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2075	1;	2706	1
2076	}) {	2707	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2079	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2712
2082	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2101		2732
2102	utf8::encode $text;	2733	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2735	}
2105		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2106	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2107		2898
2108	Sends an exti event to the client.	2899	Sends an ext event to the client.
2109		2900
2110	=cut	2901	=cut
2111		2902
2112	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2114		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2117	}	2930	}
2118		2931
2119	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2120		2933
2121	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2937
2125	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2939	become reliable at some point in the future.
2127		2940
2128	=cut	2941	=cut
2129		2942
2130	sub cf::client::query {	2943	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2952	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2954
2142	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2144	}	2959	}
2145		2960
2146	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2147	on_reply => sub {	2967	on_reply => sub {
2148	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2149		2969
2150	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2151	# get handled first	2971	# get handled first
…		…
2163	} else {	2983	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2985	}
2166	}	2986	}
2167	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2168	);	3014	);
2169		3015
2170	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2171		3017
2172	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2215		3061
2216	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2217		3063
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2219		3069
2220	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2221		3071
2222	=pod	3072	=pod
2223		3073
2224	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2225		3075
2226	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2227	cf::object::player player	3081	cf::object::player
2228	cf::player peaceful	3082	player
2229	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2230		3089
2231	=cut	3090	=cut
2232		3091
2233	for (	3092	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2235	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2238	) {	3099	) {
2239	no strict 'refs';	3100	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2258	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2259		3120
2260	my $qcode = $code;	3121	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2263		3126
2264	local $_;	3127	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2266		3129
2267	my $eval =	3130	my $eval =
…		…
2310	=back	3173	=back
2311		3174
2312	=cut	3175	=cut
2313		3176
2314	#############################################################################	3177	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	3178	# the server's init and main functions
2490		3179
2491	sub load_facedata($) {	3180	sub load_facedata($) {
2492	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3188
2494	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2495		3190
2496	my $facedata;	3191	my $facedata;
2497	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2501		3196
2502	$facedata->{version} == 2	3197	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2505	{	3207	{
2506	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2507		3209
2508	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3217
		3218	cf::cede_to_tick;
2514	}	3219	}
2515		3220
2516	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2518	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2519	or next;	3225	or next;
		3226
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3230	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3232	}
2525	Coro::cede;	3233
		3234	cf::cede_to_tick;
2526	}	3235	}
2527	}	3236	}
2528		3237
2529	{	3238	{
2530	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2531		3240
2532	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3243	cf::cede_to_tick;
2535	}	3244	}
2536		3245
2537	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2538	}	3247	}
2539		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2540	1	3284	1
2541	}	3285	}
2542		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2543	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2544	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2546	}	3337	}
2547		3338
2548	sub reload_facedata {	3339	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2561	}	3352	}
2562		3353
2563	sub reload_resources {	3354	sub reload_resources {
2564	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2565		3356
2566	reload_regions;
2567	reload_facedata;	3357	reload_facedata;
2568	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2569	reload_treasures;	3360	reload_treasures;
2570		3361
2571	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2572	}	3363	}
2573		3364
2574	sub init {	3365	sub reload_config {
2575	reload_resources;
2576	}
2577
2578	sub cfg_load {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3367	or return;
2581		3368
2582	local $/;	3369	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2584		3371
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2586		3373
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2594	};	3381	};
2595	warn $@ if $@;	3382	warn $@ if $@;
2596	}	3383	}
2597	}	3384	}
2598		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2599	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2600	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3423	(async {
2604	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2606	};	3427	};
2607		3428
2608	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2609	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2610	load_extensions;	3447	load_extensions;
2611		3448
2612	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2613	Event::loop;	3457	EV::loop;
2614	}	3458	}
2615		3459
2616	#############################################################################	3460	#############################################################################
2617	# initialisation and cleanup	3461	# initialisation and cleanup
2618		3462
2619	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2620	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2629	},
2630	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2631	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2632	}	3557	}
2633		3558
2634	sub emergency_save() {	3559	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2636		3561
2637	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2638		3563
2639	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2640	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3578	$pl->save;
2648	}	3579	}
2649	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2650		3581
2651	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3585	$map->valid or next;
2655	$map->save;	3586	$map->save;
2656	}	3587	}
2657	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2658		3589
2659	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2662	};	3597	};
2663		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2664	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2665	}	3605	}
2666		3606
2667	sub post_cleanup {	3607	sub post_cleanup {
2668	my ($make_core) = @_;	3608	my ($make_core) = @_;
2669		3609
2670	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
2672	}	3641	}
2673		3642
2674	sub do_reload_perl() {	3643	sub do_reload_perl() {
2675	# can/must only be called in main	3644	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2677	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2678	return;	3647	return;
2679	}	3648	}
2680		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2681	warn "reloading...";	3655	warn "reloading...";
2682		3656
2683	warn "entering sync_job";	3657	warn "entering sync_job";
2684		3658
2685	cf::sync_job {	3659	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2687	cf::emergency_save;	3661	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2689		3663
2690	warn "syncing database to disk";	3664	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3666
2693	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2694		3668
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2706	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();
2714
2715	warn "removing commands";
2716	%COMMAND = ();
2717
2718	warn "removing ext commands";
2719	%EXTCMD = ();
2720
2721	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";
2724
2725	if (my $cb = $pkg->can ("unload")) {
2726	eval {
2727	$cb->($pkg);
2728	1
2729	} or warn "$pkg unloaded, but with errors: $@";
2730	}	3672	}
2731		3673
2732	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2733	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2734	}	3676	%EXT_CORO = ();
2735		3677
2736	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2737	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2740	warn "... unloading $k";	3687	warn "... unloading $pkg";
2741	delete $INC{$k};
2742		3688
2743	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;
2745
2746	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2747	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2748	}	3698	}
2749		3699
2750	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2751	}	3715	}
2752		3716
2753	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3720
2757	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3724
2761	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3726	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2764		3728
2765	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2766		3730
2767	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2768	require cf;	3732	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3734
2771	warn "loading config and database again";	3735	warn "loading config and database again";
2772	cf::cfg_load;	3736	cf::reload_config;
2773		3737
2774	warn "loading extensions";	3738	warn "loading extensions";
2775	cf::load_extensions;	3739	cf::load_extensions;
2776		3740
		3741	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
2783		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
2784	warn "leaving sync_job";	3753	warn "leaving sync_job";
2785		3754
2786	1	3755	1
2787	} or do {	3756	} or do {
2788	warn $@;	3757	warn $@;
2789	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
2790	exit 1;
2791	};	3759	};
2792		3760
2793	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
2794	};	3767	};
2795		3768
2796	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
2797		3770
2798	sub reload_perl() {	3771	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
2801		3774
2802	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	3777
2805	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	3779	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
2809	},	3781	};
2810	);	3782	};
2811	}	3783	}
2812		3784
2813	register_command "reload" => sub {	3785	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2815		3787
2816	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3792	reload_perl;
		3793	};
2819	}	3794	}
2820	};	3795	};
2821		3796
2822	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2823		3798
…		…
2825		3800
2826	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
2828		3803
2829	sub wait_for_tick {	3804	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
2832		3806
2833	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	3809	$signal->wait;
2836	}	3810	}
2837		3811
2838	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
2841		3814
2842	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3817	$signal->wait;
2845	}	3818	}
2846		3819
2847	my $min = 1e6;#d#	3820	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
2859	return;	3824	return;
2860	}	3825	}
2861		3826
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2865		3828
2866	0 && sync_job {#d#	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	3831	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3832	$Coro::current->{desc} = "runtime saver";
2870	or die;	3833	write_runtime_sync
2871		3834	or warn "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	3835	};
		3836	}
2888		3837
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3839	$sig->send;
2905	}	3840	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3842	$sig->send;
2908	}	3843	}
2909		3844
2910	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3847
2921	_post_tick;	3848	if (0) {
2922		3849	if ($NEXT_TICK) {
2923		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
2924	},	3854	}
2925	);	3855	}
2926		3856
2927	{	3857	{
2928	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	3859
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
2938		3861	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		3863
2954	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		3871
2957	cf::sync_job {	3872	cf::sync_job {
2958	eval {	3873	eval {
2959	BDB::db_env_open	3874	BDB::db_env_open
2960	$DB_ENV,	3875	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3879	0666;
2965		3880
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3882	};
2971		3883
2972	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3885	};
2974	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
2975	}	3897	}
2976		3898
2977	{	3899	{
		3900	# configure IO::AIO
		3901
2978	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	3905	}
2991		3906
2992	my $_log_backtrace;	3907	my $_log_backtrace;
2993		3908
2994	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
2998		3913
2999	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3002	async {	3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
3003	my @bt = fork_call {	3921	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	3925	or die "addr2line: $!";
…		…
3015	}	3933	}
3016		3934
3017	@funcs	3935	@funcs
3018	};	3936	};
3019		3937
3020	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	3941	--$_log_backtrace;
3023	};	3942	};
3024	} else {	3943	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3027	}	3946	}
3028	}	3947	}
3029		3948
3030	# load additional modules	3949	# load additional modules
3031	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3032		3951
3033	END { cf::emergency_save }	3952	END { cf::emergency_save }
3034		3953
3035	1	3954	1
3036		3955

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