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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.469 by root, Mon Mar 2 22:25:19 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';
…		…
197	for my $pkg (qw(	261	for my $pkg (qw(
198	cf::global cf::attachable	262	cf::global cf::attachable
199	cf::object cf::object::player	263	cf::object cf::object::player
200	cf::client cf::player	264	cf::client cf::player
201	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
202	cf::map cf::party cf::region	267	cf::party cf::region
203	)) {	268	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	270	}
207		271
208	$Event::DIED = sub {	272	$EV::DIED = sub {
209	warn "error in event callback: @_";	273	warn "error in event callback: @_";
210	};	274	};
		275
		276	#############################################################################
211		277
212	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
213		279
214	=over 4	280	=over 4
215		281
…		…
234	$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;
235	$d	301	$d
236	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
237	}	303	}
238		304
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
242		306
243	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
244		308
245	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
246		310
247	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
248		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
249	=item cf::lock_wait $string	334	=item cf::lock_wait $string
250		335
251	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
252		337
253	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
254		339
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
258	returned.	343	returned.
259		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
260	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
261	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
262		350
263	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
264		352
265	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.
266		354
267	=cut	355	=cut
268		356
269	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
270		358
271	sub lock_wait($) {	359	sub lock_wait($) {
272	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	361	}
280		362
281	sub lock_acquire($) {	363	sub lock_acquire($) {
282	my ($key) = @_;	364	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	365	}
294		366
295	sub lock_active($) {	367	sub lock_active($) {
296	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	369	}
300		370
301	sub freeze_mainloop {	371	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
303		373
304	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
305	$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($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
306	};	435	}
307	$TICK_WATCHER->stop;	436	};
308	$guard	437
		438	sub get_slot($;$$) {
		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	$sig->wait;
309	}	450	}
310		451
311	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
312		453
313	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		459
319	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
320		461
321	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
322		463
323	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
326		468
327	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
330	fast or be very important.	472	fast or be very important.
…		…
333		475
334	sub sync_job(&) {	476	sub sync_job(&) {
335	my ($job) = @_;	477	my ($job) = @_;
336		478
337	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	480	my $time = EV::time;
339		481
340	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
342		484
343	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	486
345	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
346		488
347	my $busy = 1;	489	my $busy = 1;
348	my @res;	490	my @res;
349		491
350	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	494	@res = eval { $job->() };
352	warn $@ if $@;	495	warn $@ if $@;
353	undef $busy;	496	undef $busy;
354	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
355		498
356	while ($busy) {	499	while ($busy) {
357	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
358	}	504	}
		505	}
359		506
360	$time = Event::time - $time;	507	my $time = EV::time - $time;
361		508
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
366		510
367	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
368	} else {	512	} else {
369	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
370		514
…		…
390	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
391		535
392	$coro	536	$coro
393	}	537	}
394		538
395	sub write_runtime {	539	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		540
398	# first touch the runtime file to show we are still running:	541	Executes the given code block with the given arguments in a seperate
399	# 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.
400		545
401	IO::AIO::aio_utime $runtime, undef, undef;	546	=cut
402		547
403	my $guard = cf::lock_acquire "write_runtime";	548	sub fork_call(&@) {
		549	my ($cb, @args) = @_;
404		550
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	551	# we seemingly have to make a local copy of the whole thing,
406	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
407		554
408	my $value = $cf::RUNTIME + 90 + 10;	555	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	556	reset_signals;
410	# 60 allows for the watchdog to kill the server.	557	&$cb
		558	}, @args;
411		559
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	560	wantarray ? @res : $res[-1]
413	and return;	561	}
414		562
415	# always fsync - this file is important	563	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		564
419	# touch it again to show we are up-to-date	565	=cut
420	aio_utime $fh, undef, undef;
421		566
422	close $fh	567	our %coin_alias = (
423	or return;	568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
424		583
425	aio_rename "$runtime~", $runtime	584	sub coin_from_name($) {
426	and return;	585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
427		589
428	warn "runtime file written.\n";	590	=item $value = cf::db_get $family => $key
429		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 $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
430	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		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"
431	}	715	}
432		716
433	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
434		718
435	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.
…		…
447		731
448	#############################################################################	732	#############################################################################
449		733
450	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
451		735
452	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
453	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")
454	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
455		739
456	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>
457	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
458	crossfire+).	742	Deliantra).
459		743
460	=over 4	744	=over 4
461		745
462	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
463		747
…		…
507	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
508		792
509	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
511		795
512	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
513	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.
514		798
515	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
516		800
517	=over 4	801	=over 4
…		…
665	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
666	}	950	}
667		951
668	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
669	} else {	953	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	955	}
672		956
673	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
674	}	958	}
675		959
…		…
715	";	999	";
716	die if $@;	1000	die if $@;
717	}	1001	}
718		1002
719	our $override;	1003	our $override;
720	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?
721		1005
722	sub override {	1006	sub override {
723	$override = 1;	1007	$override = 1;
724	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
725	}	1009	}
726		1010
727	sub do_invoke {	1011	sub do_invoke {
728	my $event = shift;	1012	my $event = shift;
729	my $callbacks = shift;	1013	my $callbacks = shift;
730		1014
731	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
732		1016
733	local $override;	1017	local $override;
734		1018
735	for (@$callbacks) {	1019	for (@$callbacks) {
736	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
745	}	1029	}
746		1030
747	0	1031	0
748	}	1032	}
749		1033
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1035
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1037
754	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
755		1039
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1043
760	=back	1044	=back
761		1045
762	=cut	1046	=cut
763		1047
764	#############################################################################	1048	#############################################################################
765	# 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, $ob2
		1091	}
766		1092
767	sub reattach {	1093	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1095	my ($obj) = @_;
770		1096
		1097	# no longer needed after getting rid of delete_package?
771	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
772		1099
773	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
774		1101
775	@$registry = ();	1102	@$registry = ();
776		1103
…		…
791	cf::attachable->attach (	1118	cf::attachable->attach (
792	prio => -1000000,	1119	prio => -1000000,
793	on_instantiate => sub {	1120	on_instantiate => sub {
794	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
795		1122
796	$data = from_json $data;	1123	$data = decode_json $data;
797		1124
798	for (@$data) {	1125	for (@$data) {
799	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
800		1127
801	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1144	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
819		1146
820	sync_job {	1147	sync_job {
821	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
824		1152
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1157	aio_close $fh;
830		1158
831	if (@$objs) {	1159	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1165	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
839	}	1167	}
840	} else {	1168	} else {
841	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
842	}	1170	}
843		1171
844	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1176	} else {
846	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
847	}	1178	}
848	} else {	1179	} else {
849	aio_unlink $filename;	1180	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
851	}	1182	}
852	}	1183	};
853	}	1184	}
854		1185
855	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
857		1188
…		…
869	or return;	1200	or return;
870		1201
871	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
873	or return;	1204	or return;
		1205
874	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
875	}	1208	}
876		1209
		1210	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
879	return ($data, $av);	1214	($data, $av)
880	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
881		1222
882	#############################################################################	1223	#############################################################################
883	# command handling &c	1224	# command handling &c
884		1225
885	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1240	}
900		1241
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1243
903	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
904		1249
905	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
906	called.	1251	called.
907		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
908	=cut	1264	=cut
909		1265
910	sub register_extcmd {	1266	sub register_extcmd {
911	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
912		1268
913	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
914	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
915		1279
916	cf::player->attach (	1280	cf::player->attach (
917	on_command => sub {	1281	on_command => sub {
918	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
919		1283
…		…
927	cf::override;	1291	cf::override;
928	},	1292	},
929	on_extcmd => sub {	1293	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
931		1295
932	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1297
934	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
940	} else {	1313	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1315	}
943		1316
944	cf::override;	1317	cf::override;
945	},	1318	},
946	);	1319	);
947		1320
		1321	# "readahead" all extensions
948	sub load_extension {	1322	sub cache_extensions {
949	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
950		1324
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
952	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1328	}
976	die $@;
977	}	1329	};
978		1330
979	push @EXTS, $pkg;	1331	$grp
980	}	1332	}
981		1333
982	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
983	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1339	next unless -r $path;
985	eval {	1340
986	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
987	1	1397	}
988	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
989	}	1403	};
990	}	1404	}
991		1405
992	#############################################################################	1406	#############################################################################
993		1407
		1408	=back
		1409
994	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
995		1411
996	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
997		1413
998	=cut	1414	=cut
999		1415
1000	package cf::player;	1416	package cf::player;
1001		1417
1002	use Coro::AIO;	1418	use Coro::AIO;
1003		1419
1004	=head3 cf::player	1420	=head3 cf::player
1005		1421
1006	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1007		1437
1008	=item cf::player::find $login	1438	=item cf::player::find $login
1009		1439
1010	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1011		1441
…		…
1030		1460
1031	sub exists($) {	1461	sub exists($) {
1032	my ($login) = @_;	1462	my ($login) = @_;
1033		1463
1034	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1036	}	1466	}
1037		1467
1038	sub find($) {	1468	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1470	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1481
1052	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1055	}	1491	}
1056	}	1492	}
1057	}	1493	}
1058		1494
…		…
1067	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1068		1504
1069	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1071		1507
		1508	cf::get_slot 0.01;
		1509
1072	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1073	Coro::cede;	1511	cf::cede_to_tick;
1074	}	1512	}
1075		1513
1076	sub new($) {	1514	sub new($) {
1077	my ($login) = @_;	1515	my ($login) = @_;
1078		1516
…		…
1084	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1085		1523
1086	$self	1524	$self
1087	}	1525	}
1088		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1089	=item $pl->quit_character	1537	=item $pl->quit_character
1090		1538
1091	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1093		1541
…		…
1097	my ($pl) = @_;	1545	my ($pl) = @_;
1098		1546
1099	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1100		1548
1101	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1551
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1108		1558
1109	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1596	or return [];
1147		1597
1148	my @logins;	1598	my @logins;
1149		1599
1150	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1154		1610
1155	utf8::decode $login;	1611	utf8::decode $login;
1156	push @logins, $login;	1612	push @logins, $login;
1157	}	1613	}
1158		1614
…		…
1185	}	1641	}
1186		1642
1187	\@paths	1643	\@paths
1188	}	1644	}
1189		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1190	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1191		1651
1192	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1193		1653
1194	=cut	1654	=cut
1195		1655
1196	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1198		1658
1199	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1660	}
1203		1661
1204	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1205		1663
1206	Sends an ext event to the client.	1664	Sends an ext event to the client.
1207		1665
1208	=cut	1666	=cut
1209		1667
1210	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1212		1670
1213	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1214	}	1672	}
1215		1673
1216	=head3 cf::region	1674	=head3 cf::region
1217		1675
1218	=over 4	1676	=over 4
…		…
1221		1679
1222	package cf::region;	1680	package cf::region;
1223		1681
1224	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1225		1683
1226	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1227		1685
1228	=cut	1686	=cut
1229		1687
1230	sub find_by_path($) {	1688	sub find_by_path($) {
1231	my ($path) = @_;	1689	my ($path) = @_;
1232		1690
1233	my ($match, $specificity);	1691	my ($match, $specificity);
1234		1692
1235	for my $region (list) {	1693	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1239	}	1697	}
1240	}	1698	}
1241		1699
…		…
1262	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1264		1722
1265	sub generate_random_map {	1723	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1267	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1729	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1306		1767
1307	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1308	local $self->{path};	1769	local $self->{path};
1309	local $self->{load_path};	1770	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1771
1313	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1314	}	1773	}
1315		1774
1316	sub normalise {	1775	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1364	return $self;	1823	return $self;
1365	}	1824	}
1366	}	1825	}
1367		1826
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1828	()
1370	}	1829	}
1371		1830
1372	sub init {	1831	sub init {
1373	my ($self) = @_;	1832	my ($self) = @_;
…		…
1395		1854
1396	# the temporary/swap location	1855	# the temporary/swap location
1397	sub save_path {	1856	sub save_path {
1398	my ($self) = @_;	1857	my ($self) = @_;
1399		1858
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1402	}	1861	}
1403		1862
1404	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1405	sub uniq_path {	1864	sub uniq_path {
1406	my ($self) = @_;	1865	my ($self) = @_;
1407		1866
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1410	}	1869	}
1411		1870
1412	# and all this just because we cannot iterate over	1871	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1872	my ($self) = @_;
1416		1873
1417	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1419	}	1877	}
1420		1878
1421	sub unlink_save {	1879	sub unlink_save {
1422	my ($self) = @_;	1880	my ($self) = @_;
1423		1881
…		…
1428		1886
1429	sub load_header_from($) {	1887	sub load_header_from($) {
1430	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1431		1889
1432	utf8::encode $path;	1890	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1438		1899
1439	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1440		1901
1441	1	1902	1
1442	}	1903	}
…		…
1481	$self->load_header_orig	1942	$self->load_header_orig
1482	or return;	1943	or return;
1483	$self->prepare_orig;	1944	$self->prepare_orig;
1484	}	1945	}
1485		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1486	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1951	unless $self->default_region;
1488		1952
1489	1	1953	1
1490	}	1954	}
…		…
1493	sub find {	1957	sub find {
1494	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1495		1959
1496	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1497		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1964
1500	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1503	or return;	1967	or return;
1504		1968
1505	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1506		1970
1507	$map->load_header	1971	$map->load_header
1508	or return;	1972	or return;
1509		1973
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1513	$map->reset;	1979	$map->reset;
1514	undef $guard;
1515	return find $path;	1980	return find $path;
1516	}	1981	}
1517		1982
1518	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1519	}	1984	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1529		1994
1530	my $path = $self->{path};	1995	my $path = $self->{path};
1531		1996
1532	{	1997	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1534		1999
		2000	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2002
1537	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1538		2004
1539	$self->alloc;	2005	$self->alloc;
1540		2006
1541	$self->pre_load;	2007	$self->pre_load;
1542	Coro::cede;	2008	cf::cede_to_tick;
1543		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1545	or return;	2013	or return;
1546		2014
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1548	if delete $self->{load_original};	2016	if delete $self->{load_original};
1549		2017
1550	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2019	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2022	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1555	}	2026	}
1556	}	2027	}
1557		2028
1558	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1559	# now do the right thing for maps	2032	# now do the right thing for maps
1560	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2035	unless $self->difficulty;
1563	Coro::cede;	2036	cf::cede_to_tick;
1564		2037
1565	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2039	$self->decay_objects;
1567	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1568	$self->update_buttons;	2041	$self->update_buttons;
1569	Coro::cede;	2042	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2043	$self->activate;
1573	}	2044	}
1574		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2050	}
1577		2051
1578	$self->post_load;	2052	$self->post_load;
1579	}	2053	}
1580		2054
…		…
1582	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1583		2057
1584	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2059	if $self->per_player;
1586		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1587	$self	2064	$self
1588	}	2065	}
1589		2066
1590	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2068	sub load_neighbours {
1592	my ($map) = @_;	2069	my ($map) = @_;
1593		2070
1594	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1595		2072
1596	for (0 .. 3) {	2073	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1598	or next;	2075	or next;
1599	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1600	or next;	2077	or next;
1601	$neigh->load;	2078	$neigh->load;
1602		2079
		2080	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2083	}
1606		2084
1607	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1609	or next;	2088	or next;
1610	$neigh->load;	2089	$neigh->load;
1611	}	2090	}
1612	}	2091	}
1613		2092
…		…
1618	}	2097	}
1619		2098
1620	sub do_load_sync {	2099	sub do_load_sync {
1621	my ($map) = @_;	2100	my ($map) = @_;
1622		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1623	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1624	}	2106	}
1625		2107
1626	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1628		2110
1629	sub find_async {	2111	sub find_async {
1630	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1631		2113
1632	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1633		2115
1634	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2118	}
1637		2119
1638	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1639	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1640	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2127	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2128	$map->load if $v;
		2129	}
1645		2130
1646	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1647	}	2132	}
1648	}	2133	}
1649	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1650	};	2135	};
1651	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2139	}
1655		2140
1656	sub save {	2141	sub save {
1657	my ($self) = @_;	2142	my ($self) = @_;
1658		2143
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2145
1661	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1662		2147
1663	return unless $self->dirty;	2148	return unless $self->dirty;
1664		2149
…		…
1670	return if $self->{deny_save};	2155	return if $self->{deny_save};
1671		2156
1672	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1673		2158
1674	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1676	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1677		2165
1678	if ($uniq) {	2166	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2169	} else {
…		…
1687	my ($self) = @_;	2175	my ($self) = @_;
1688		2176
1689	# save first because save cedes	2177	# save first because save cedes
1690	$self->save;	2178	$self->save;
1691		2179
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2181
1694	return if $self->players;	2182	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2184	return if $self->{deny_save};
1697		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2190	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2191	}
1701		2192
1702	sub reset_at {	2193	sub reset_at {
1703	my ($self) = @_;	2194	my ($self) = @_;
1704		2195
1705	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1708		2198
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2201
…		…
1722	my ($self) = @_;	2212	my ($self) = @_;
1723		2213
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2215
1726	return if $self->players;	2216	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2217
1729	warn "resetting map ", $self->path;	2218	warn "resetting map ", $self->path;
1730		2219
1731	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1732		2221
…		…
1738	if $uniq;	2227	if $uniq;
1739	}	2228	}
1740		2229
1741	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1742		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2234	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2235
1747	$self->unlink_save;	2236	$self->unlink_save;
1748	$self->destroy;	2237	$self->destroy;
1749	}	2238	}
1750		2239
1751	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1752		2241
1753	sub nuke {	2242	sub nuke {
1754	my ($self) = @_;	2243	my ($self) = @_;
1755		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1756	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1757		2249
1758	$self->unlink_save;	2250	$self->unlink_save;
1759		2251
1760	bless $self, "cf::map";	2252	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2257
1766	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1767		2260
1768	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1769	}	2298	}
1770		2299
1771	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1772		2301
1773	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2303	instantiated unique items. May block.
1775		2304
1776	=cut	2305	=cut
1777		2306
1778	sub unique_maps() {	2307	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2308	[
1780	or return;	2309	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2310	utf8::decode $_;
1786	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2313	? ()
1789	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2316	]
1791
1792	\@paths
1793	}	2317	}
1794
1795	package cf;
1796		2318
1797	=back	2319	=back
1798		2320
1799	=head3 cf::object	2321	=head3 cf::object
1800		2322
…		…
1804		2326
1805	=over 4	2327	=over 4
1806		2328
1807	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1808		2330
1809	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1810		2333
1811	=cut	2334	=cut
1812		2335
1813	sub inv_recursive_;	2336	sub inv_recursive_;
1814	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1817		2340
1818	sub inv_recursive {	2341	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1820	}	2343	}
1821		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1822	package cf;	2373	package cf;
1823		2374
1824	=back	2375	=back
1825		2376
1826	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1835		2386
1836	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1837		2402
1838	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2404	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1843		2408
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2410
1846	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1848	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1851	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1852	}	2436	}
1853		2437
1854	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1855		2439
1856	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1869		2453
1870	=item $player_object->enter_link	2454	=item $player_object->enter_link
1871		2455
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2457
1874	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1876		2462
1877	Will never block.	2463	Will never block.
1878		2464
1879	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1880		2466
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1938		2524
1939	$map->load;	2525	$map->load;
1940	$map->load_diag;	2526	$map->load_neighbours;
1941		2527
1942	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1943	$self->activate_recursive;	2530	$self->activate_recursive;
1944		2531
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1947	}	2534	}
1948		2535
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2537
1951	Moves the player to the given map-path and coordinates by first freezing	2538	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2541	the new (success) or old (failed) map position. In either case, $done will
		2542	be called at the end of this process.
		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
1955		2546
1956	=cut	2547	=cut
1957		2548
1958	our $GOTOGEN;	2549	our $GOTOGEN;
1959		2550
1960	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2553
1963	# do generation counting so two concurrent goto's will be executed in-order	2554	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2556
1966	$self->enter_link;	2557	$self->enter_link;
1967		2558
1968	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1969	my $map = eval {	2581	my $map = eval {
1970	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
1971		2583
1972	if ($map) {	2584	if ($map) {
1973	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
1975	} else {	2587	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2589	}
1978		2590
1979	$map	2591	$map
1980	};	2592	};
1981		2593
…		…
1986		2598
1987	if ($gen == $self->{_goto_generation}) {	2599	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2600	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
1990	}	2602	}
		2603
		2604	$done->() if $done;
1991	})->prio (1);	2605	})->prio (1);
1992	}	2606	}
1993		2607
1994	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1995		2609
…		…
2015	}	2629	}
2016		2630
2017	sub prepare_random_map {	2631	sub prepare_random_map {
2018	my ($exit) = @_;	2632	my ($exit) = @_;
2019		2633
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2636	# that depends on the exit object
2025		2637
2026	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2640	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2033	}	2647	}
2034		2648
2035	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2036		2650
2037	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2040		2654
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2657	undef $fh;
2044	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2045		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2048	}	2666	}
2049	}	2667	}
2050		2668
2051	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2053		2671
2054	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2055		2673
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2674	$self->enter_link;
2068		2675
2069	(async {	2676	(async {
2070	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2071	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2072	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2073		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2074	1;	2700	1
2075	}) {	2701	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2706
2081	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2100		2726
2101	utf8::encode $text;	2727	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2729	}
2104		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
		2830	sub cf::client::send_msg {
		2831	my ($self, $channel, $msg, $color, @extra) = @_;
		2832
		2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
		2845	} elsif (ref $channel) {
		2846	# send meta info to client, if not yet sent
		2847	unless (exists $self->{channel}{$channel->{id}}) {
		2848	$self->{channel}{$channel->{id}} = $channel;
		2849	$self->ext_msg (channel_info => $channel);
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	# default colour, mask it out
		2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2859	if $color & cf::NDI_DEF;
		2860
		2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2864	);
		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
2105	=item $client->ext_event ($type, %msg)	2879	=item $client->ext_msg ($type, @msg)
2106		2880
2107	Sends an exti event to the client.	2881	Sends an ext event to the client.
2108		2882
2109	=cut	2883	=cut
2110		2884
2111	sub cf::client::ext_event($$%) {	2885	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2886	my ($self, $type, @msg) = @_;
2113		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2891	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
2116	}	2912	}
2117		2913
2118	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
2119		2915
2120	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2919
2124	Queries can fail, so check the return code. Or don't, as queries will become	2920	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2921	become reliable at some point in the future.
2126		2922
2127	=cut	2923	=cut
2128		2924
2129	sub cf::client::query {	2925	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2934	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2936
2141	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
2143	}	2941	}
2144		2942
2145	cf::client->attach (	2943	cf::client->attach (
		2944	on_connect => sub {
		2945	my ($ns) = @_;
		2946
		2947	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2948	},
2146	on_reply => sub {	2949	on_reply => sub {
2147	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
2148		2951
2149	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
2150	# get handled first	2953	# get handled first
…		…
2162	} else {	2965	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2967	}
2165	}	2968	}
2166	},	2969	},
		2970	on_exticmd => sub {
		2971	my ($ns, $buf) = @_;
		2972
		2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2974
		2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
		2983	if (my $cb = $EXTICMD{$type}) {
		2984	@reply = $cb->($ns, @payload);
		2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
		2990	} else {
		2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2992	}
		2993
		2994	cf::override;
		2995	},
2167	);	2996	);
2168		2997
2169	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2170		2999
2171	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2214		3043
2215	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2216		3045
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2218		3051
2219	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2220		3053
2221	=pod	3054	=pod
2222		3055
2223	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2224		3057
2225	cf::object contr pay_amount pay_player map	3058	cf::object
		3059	contr pay_amount pay_player map x y force_find force_add destroy
		3060	insert remove name archname title slaying race decrease split
		3061	value
		3062
2226	cf::object::player player	3063	cf::object::player
2227	cf::player peaceful	3064	player
2228	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2229		3071
2230	=cut	3072	=cut
2231		3073
2232	for (	3074	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2237	) {	3081	) {
2238	no strict 'refs';	3082	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2258		3102
2259	my $qcode = $code;	3103	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2262		3108
2263	local $_;	3109	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2265		3111
2266	my $eval =	3112	my $eval =
…		…
2309	=back	3155	=back
2310		3156
2311	=cut	3157	=cut
2312		3158
2313	#############################################################################	3159	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3160	# the server's init and main functions
2487		3161
2488	sub load_facedata($) {	3162	sub load_facedata($) {
2489	my ($path) = @_;	3163	my ($path) = @_;
		3164
		3165	# HACK to clear player env face cache, we need some signal framework
		3166	# for this (global event?)
		3167	%ext::player_env::MUSIC_FACE_CACHE = ();
		3168
		3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3170
2491	warn "loading facedata from $path\n";	3171	warn "loading facedata from $path\n";
2492		3172
2493	my $facedata;	3173	my $facedata;
2494	0 < aio_load $path, $facedata	3174	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3177	$facedata = Coro::Storable::thaw $facedata;
2498		3178
2499	$facedata->{version} == 2	3179	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3181
		3182	# patch in the exptable
		3183	$facedata->{resource}{"res/exp_table"} = {
		3184	type => FT_RSRC,
		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3186	};
		3187	cf::cede_to_tick;
		3188
2502	{	3189	{
2503	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
2504		3191
2505	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3195	cf::face::set_visibility $idx, $info->{visibility};
		3196	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3199
		3200	cf::cede_to_tick;
2511	}	3201	}
2512		3202
2513	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2515	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2516	or next;	3207	or next;
		3208
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
		3210	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3212	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3214	}
2522	Coro::cede;	3215
		3216	cf::cede_to_tick;
2523	}	3217	}
2524	}	3218	}
2525		3219
2526	{	3220	{
2527	my $anims = $facedata->{animinfo};	3221	my $anims = $facedata->{animinfo};
2528		3222
2529	while (my ($anim, $info) = each %$anims) {	3223	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3225	cf::cede_to_tick;
2532	}	3226	}
2533		3227
2534	cf::anim::invalidate_all; # d'oh	3228	cf::anim::invalidate_all; # d'oh
2535	}	3229	}
2536		3230
		3231	{
		3232	# TODO: for gcfclient pleasure, we should give resources
		3233	# that gcfclient doesn't grok a >10000 face index.
		3234	my $res = $facedata->{resource};
		3235
		3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
		3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
		3240
		3241	if ($info->{type} & 1) {
		3242	# prepend meta info
		3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
		3256	} else {
		3257	$RESOURCE{$name} = $info;
		3258	}
		3259
		3260	cf::cede_to_tick;
		3261	}
		3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3265
2537	1	3266	1
2538	}	3267	}
2539		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
2540	sub reload_regions {	3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
2541	load_resource_file "$MAPDIR/regions"	3312	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3313	or die "unable to load regions file\n";
		3314
		3315	for (cf::region::list) {
		3316	$_->{match} = qr/$_->{match}/
		3317	if exists $_->{match};
		3318	}
2543	}	3319	}
2544		3320
2545	sub reload_facedata {	3321	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3322	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3323	or die "unable to load facedata\n";
…		…
2558	}	3334	}
2559		3335
2560	sub reload_resources {	3336	sub reload_resources {
2561	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
2562		3338
		3339	reload_facedata;
		3340	reload_archetypes;
2563	reload_regions;	3341	reload_regions;
2564	reload_facedata;
2565	#reload_archetypes;#d#
2566	reload_archetypes;
2567	reload_treasures;	3342	reload_treasures;
2568		3343
2569	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
2570	}	3345	}
2571		3346
2572	sub init {	3347	sub reload_config {
2573	reload_resources;
2574	}
2575
2576	sub cfg_load {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3349	or return;
2579		3350
2580	local $/;	3351	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2582		3353
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584		3355
2585	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2592	};	3363	};
2593	warn $@ if $@;	3364	warn $@ if $@;
2594	}	3365	}
2595	}	3366	}
2596		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2597	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2598	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3405	(async {
2602	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2604	};	3409	};
2605		3410
2606	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
2607	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2608	load_extensions;	3429	load_extensions;
2609		3430
2610	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2611	Event::loop;	3439	EV::loop;
2612	}	3440	}
2613		3441
2614	#############################################################################	3442	#############################################################################
2615	# initialisation and cleanup	3443	# initialisation and cleanup
2616		3444
2617	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2618	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2627	},
2628	);	3451	};
		3452	}
		3453	}
		3454
		3455	sub write_runtime_sync {
		3456	# first touch the runtime file to show we are still running:
		3457	# the fsync below can take a very very long time.
		3458
		3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3460
		3461	my $guard = cf::lock_acquire "write_runtime";
		3462
		3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = $cf::RUNTIME + 90 + 10;
		3467	# 10 is the runtime save interval, for a monotonic clock
		3468	# 60 allows for the watchdog to kill the server.
		3469
		3470	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3471	and return;
		3472
		3473	# always fsync - this file is important
		3474	aio_fsync $fh
		3475	and return;
		3476
		3477	# touch it again to show we are up-to-date
		3478	aio_utime $fh, undef, undef;
		3479
		3480	close $fh
		3481	or return;
		3482
		3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3484	and return;
		3485
		3486	warn "runtime file written.\n";
		3487
2629	}	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2630	}	3539	}
2631		3540
2632	sub emergency_save() {	3541	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2634		3543
2635	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2636		3545
2637	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2638	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2639	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2640	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2642	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3560	$pl->save;
2646	}	3561	}
2647	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2648		3563
2649	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2650	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2651	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2652	$map->valid or next;	3567	$map->valid or next;
2653	$map->save;	3568	$map->save;
2654	}	3569	}
2655	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
2656		3571
2657	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2659	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2660	};	3579	};
2661		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2662	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2663	}	3587	}
2664		3588
2665	sub post_cleanup {	3589	sub post_cleanup {
2666	my ($make_core) = @_;	3590	my ($make_core) = @_;
2667		3591
2668	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2669	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
2670	}	3623	}
2671		3624
2672	sub do_reload_perl() {	3625	sub do_reload_perl() {
2673	# can/must only be called in main	3626	# can/must only be called in main
2674	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2675	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2676	return;	3629	return;
2677	}	3630	}
2678		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2679	warn "reloading...";	3637	warn "reloading...";
2680		3638
2681	warn "entering sync_job";	3639	warn "entering sync_job";
2682		3640
2683	cf::sync_job {	3641	cf::sync_job {
2684	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2685	cf::emergency_save;	3643	cf::emergency_save;
2686	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
2687		3645
2688	warn "syncing database to disk";	3646	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3648
2691	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
2692		3650
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2699	for (;;) {
2700	BDB::flush;
2701	IO::AIO::flush;
2702	Coro::cede;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2704	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2705	}
2706
2707	++$RELOAD;
2708
2709	warn "cancelling all extension coros";
2710	$_->cancel for values %EXT_CORO;
2711	%EXT_CORO = ();
2712
2713	warn "removing commands";
2714	%COMMAND = ();
2715
2716	warn "removing ext commands";
2717	%EXTCMD = ();
2718
2719	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";
2722
2723	if (my $cb = $pkg->can ("unload")) {
2724	eval {
2725	$cb->($pkg);
2726	1
2727	} or warn "$pkg unloaded, but with errors: $@";
2728	}	3654	}
2729		3655
2730	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2731	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2732	}	3658	%EXT_CORO = ();
2733		3659
2734	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2735	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2738	warn "... unloading $k";	3669	warn "... unloading $pkg";
2739	delete $INC{$k};
2740		3670
2741	$k =~ s/\.pm$//;
2742	$k =~ s/\//::/g;
2743
2744	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2745	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2746	}	3680	}
2747		3681
2748	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
2749	}	3697	}
2750		3698
2751	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2752	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2754		3702
2755	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2756	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
2757	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2758		3706
2759	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2760	# and global variables created in xs	3708	# and global variables created in xs
2761	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2762		3710
2763	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2764		3712
2765	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2766	require cf;	3714	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3716
2769	warn "loading config and database again";	3717	warn "loading config and database again";
2770	cf::cfg_load;	3718	cf::reload_config;
2771		3719
2772	warn "loading extensions";	3720	warn "loading extensions";
2773	cf::load_extensions;	3721	cf::load_extensions;
2774		3722
		3723	if ($REATTACH_ON_RELOAD) {
2775	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2776	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
2777	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2778	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
2779	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
2780	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
2781		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
2782	warn "leaving sync_job";	3735	warn "leaving sync_job";
2783		3736
2784	1	3737	1
2785	} or do {	3738	} or do {
2786	warn $@;	3739	warn $@;
2787	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
2788	exit 1;
2789	};	3741	};
2790		3742
2791	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
2792	};	3749	};
2793		3750
2794	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
2795		3752
2796	sub reload_perl() {	3753	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
2799		3756
2800	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
2801	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
2802	after => 0,	3759
2803	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2804	cb => sub {
2805	do_reload_perl;	3761	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
2807	},	3763	};
2808	);	3764	};
2809	}	3765	}
2810		3766
2811	register_command "reload" => sub {	3767	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2813		3769
2814	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
		3772	async {
		3773	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3774	reload_perl;
		3775	};
2817	}	3776	}
2818	};	3777	};
2819		3778
2820	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2821		3780
…		…
2823		3782
2824	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
2825	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
2826		3785
2827	sub wait_for_tick {	3786	sub wait_for_tick {
2828	return unless $TICK_WATCHER->is_active;
2829	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2830		3788
2831	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
2832	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
2833	$signal->wait;	3791	$signal->wait;
2834	}	3792	}
2835		3793
2836	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
2837	return unless $TICK_WATCHER->is_active;
2838	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2839		3796
2840	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3799	$signal->wait;
2843	}	3800	}
2844		3801
2845	my $min = 1e6;#d#	3802	sub tick {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2857	return;	3806	return;
2858	}	3807	}
2859		3808
2860	$NOW = $tick_start = Event::time;
2861
2862	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2863		3810
2864	0 && sync_job {#d#	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865	for(1..10) {	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866	my $t = Event::time;	3813	Coro::async_pool {
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3814	$Coro::current->{desc} = "runtime saver";
2868	or die;	3815	write_runtime_sync
2869		3816	or warn "ERROR: unable to write runtime file: $!";
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3817	};
		3818	}
2886		3819
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3821	$sig->send;
2903	}	3822	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3824	$sig->send;
2906	}	3825	}
2907		3826
2908	$NOW = Event::time;	3827	$LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3829
2919	_post_tick;	3830	if (0) {
2920		3831	if ($NEXT_TICK) {
2921		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
2922	},	3836	}
2923	);	3837	}
2924		3838
2925	{	3839	{
2926	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3841
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
2936		3843	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3845
2952	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3853
2955	cf::sync_job {	3854	cf::sync_job {
2956	eval {	3855	eval {
2957	BDB::db_env_open	3856	BDB::db_env_open
2958	$DB_ENV,	3857	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3861	0666;
2963		3862
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3864	};
2969		3865
2970	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3867	};
2972	}	3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
2973	}	3879	}
2974		3880
2975	{	3881	{
		3882	# configure IO::AIO
		3883
2976	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3887	}
2989		3888
2990	my $_log_backtrace;	3889	my $_log_backtrace;
2991		3890
2992	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
2995	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
2996		3895
2997	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3000	async {	3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
3001	my @bt = fork_call {	3903	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3907	or die "addr2line: $!";
…		…
3013	}	3915	}
3014		3916
3015	@funcs	3917	@funcs
3016	};	3918	};
3017		3919
3018	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3019	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3020	--$_log_backtrace;	3923	--$_log_backtrace;
3021	};	3924	};
3022	} else {	3925	} else {
3023	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3024	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3025	}	3928	}
3026	}	3929	}
3027		3930
3028	# load additional modules	3931	# load additional modules
3029	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3030		3933
3031	END { cf::emergency_save }	3934	END { cf::emergency_save }
3032		3935
3033	1	3936	1
3034		3937

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