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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
108		152
109	mkdir $_	153	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		155
112	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
155		199
156	The raw value load value from the last tick.	200	The raw value load value from the last tick.
157		201
158	=item %cf::CFG	202	=item %cf::CFG
159		203
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	205	from wherever your confdir points to.
162		206
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		208
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
169	=back	219	=back
170		220
171	=cut	221	=cut
172		222
173	BEGIN {	223	BEGIN {
…		…
177	$msg .= "\n"	227	$msg .= "\n"
178	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
179		229
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		231
182	utf8::encode $msg;
183	LOG llevError, $msg;	232	LOG llevError, $msg;
184	};	233	};
185	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
186		250
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		258
194	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	260	# within the Safe compartment.
196	for my $pkg (qw(	261	for my $pkg (qw(
197	cf::global cf::attachable	262	cf::global cf::attachable
198	cf::object cf::object::player	263	cf::object cf::object::player
199	cf::client cf::player	264	cf::client cf::player
200	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
201	cf::map cf::party cf::region	267	cf::party cf::region
202	)) {	268	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	270	}
206		271
207	$Event::DIED = sub {	272	$EV::DIED = sub {
208	warn "error in event callback: @_";	273	warn "error in event callback: @_";
209	};	274	};
		275
		276	#############################################################################
210		277
211	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
212		279
213	=over 4	280	=over 4
214		281
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	301	$d
235	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
236	}	303	}
237		304
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
241		306
242	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
243		308
244	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
245		310
246	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
247		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
248	=item cf::lock_wait $string	334	=item cf::lock_wait $string
249		335
250	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
251		337
252	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
253		339
254	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
257	returned.	343	returned.
258		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
259	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
261		350
262	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
263		352
264	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
265		354
266	=cut	355	=cut
267		356
268	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
269		358
270	sub lock_wait($) {	359	sub lock_wait($) {
271	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	361	}
279		362
280	sub lock_acquire($) {	363	sub lock_acquire($) {
281	my ($key) = @_;	364	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	365	}
293		366
294	sub lock_active($) {	367	sub lock_active($) {
295	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	369	}
299		370
300	sub freeze_mainloop {	371	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
302		373
303	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
305	};	435	}
306	$TICK_WATCHER->stop;	436	};
307	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
308	}	450	}
309		451
310	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
311		453
312	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		459
318	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
319		461
320	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
321		463
322	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
325		468
326	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
329	fast or be very important.	472	fast or be very important.
…		…
332		475
333	sub sync_job(&) {	476	sub sync_job(&) {
334	my ($job) = @_;	477	my ($job) = @_;
335		478
336	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	480	my $time = EV::time;
338		481
339	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
341		484
342	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	486
344	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
345		488
346	my $busy = 1;	489	my $busy = 1;
347	my @res;	490	my @res;
348		491
349	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	494	@res = eval { $job->() };
351	warn $@ if $@;	495	warn $@ if $@;
352	undef $busy;	496	undef $busy;
353	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
354		498
355	while ($busy) {	499	while ($busy) {
356	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
357	}	504	}
		505	}
358		506
359	$time = Event::time - $time;	507	my $time = EV::time - $time;
360		508
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
365		510
366	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
367	} else {	512	} else {
368	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
369		514
…		…
389	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
390		535
391	$coro	536	$coro
392	}	537	}
393		538
394	sub write_runtime {	539	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		540
397	# first touch the runtime file to show we are still running:	541	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
399		545
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	546	=cut
401	utime undef, undef, $fh;	547
		548	sub fork_call(&@) {
		549	my ($cb, @args) = @_;
		550
		551	# we seemingly have to make a local copy of the whole thing,
		552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
		554
		555	my @res = Coro::Util::fork_eval {
		556	reset_signals;
		557	&$cb
		558	}, @args;
		559
		560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
402	}	617	};
		618	cf::cleanup "db_open(db): $@" if $@;
403		619
404	my $guard = cf::lock_acquire "write_runtime";	620	$db
		621	}
405		622
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	623	our $DB;
407	or return;
408		624
409	my $value = $cf::RUNTIME + 90 + 10;	625	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	626	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	627	$DB ||= db_table "db";
		628	};
		629	}
412		630
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	631	sub db_get($$) {
414	and return;	632	my $key = "$_[0]/$_[1]";
415		633
416	# always fsync - this file is important	634	cf::sync_job {
417	aio_fsync $fh	635	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		636
420	# touch it again to show we are up-to-date	637	$! ? ()
421	utime undef, undef, $fh;	638	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
432	}	715	}
433		716
434	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
435		718
436	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		731
449	#############################################################################	732	#############################################################################
450		733
451	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
452		735
453	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
456		739
457	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	742	Deliantra).
460		743
461	=over 4	744	=over 4
462		745
463	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
464		747
…		…
508	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
509		792
510	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
512		795
513	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
515		798
516	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
517		800
518	=over 4	801	=over 4
…		…
666	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
667	}	950	}
668		951
669	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
670	} else {	953	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	955	}
673		956
674	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
675	}	958	}
676		959
…		…
716	";	999	";
717	die if $@;	1000	die if $@;
718	}	1001	}
719		1002
720	our $override;	1003	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1005
723	sub override {	1006	sub override {
724	$override = 1;	1007	$override = 1;
725	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
726	}	1009	}
727		1010
728	sub do_invoke {	1011	sub do_invoke {
729	my $event = shift;	1012	my $event = shift;
730	my $callbacks = shift;	1013	my $callbacks = shift;
731		1014
732	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
733		1016
734	local $override;	1017	local $override;
735		1018
736	for (@$callbacks) {	1019	for (@$callbacks) {
737	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
746	}	1029	}
747		1030
748	0	1031	0
749	}	1032	}
750		1033
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1035
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1037
755	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
756		1039
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1043
761	=back	1044	=back
762		1045
763	=cut	1046	=cut
764		1047
765	#############################################################################	1048	#############################################################################
766	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
767		1092
768	sub reattach {	1093	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1095	my ($obj) = @_;
771		1096
		1097	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1099
774	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
775		1101
776	@$registry = ();	1102	@$registry = ();
777		1103
…		…
792	cf::attachable->attach (	1118	cf::attachable->attach (
793	prio => -1000000,	1119	prio => -1000000,
794	on_instantiate => sub {	1120	on_instantiate => sub {
795	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
796		1122
797	$data = from_json $data;	1123	$data = decode_json $data;
798		1124
799	for (@$data) {	1125	for (@$data) {
800	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
801		1127
802	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1144	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
820		1146
821	sync_job {	1147	sync_job {
822	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
825		1152
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1157	aio_close $fh;
831		1158
832	if (@$objs) {	1159	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1165	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
840	}	1167	}
841	} else {	1168	} else {
842	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
843	}	1170	}
844		1171
845	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1176	} else {
847	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
848	}	1178	}
849	} else {	1179	} else {
850	aio_unlink $filename;	1180	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
852	}	1182	}
853	}	1183	};
854	}	1184	}
855		1185
856	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
858		1188
…		…
870	or return;	1200	or return;
871		1201
872	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
874	or return;	1204	or return;
		1205
875	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
876	}	1208	}
877		1209
		1210	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
880	return ($data, $av);	1214	($data, $av)
881	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
882		1222
883	#############################################################################	1223	#############################################################################
884	# command handling &c	1224	# command handling &c
885		1225
886	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1240	}
901		1241
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1243
904	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.
905		1249
906	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
907	called.	1251	called.
908		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
909	=cut	1264	=cut
910		1265
911	sub register_extcmd {	1266	sub register_extcmd {
912	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
913		1268
914	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
915	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
916		1279
917	cf::player->attach (	1280	cf::player->attach (
918	on_command => sub {	1281	on_command => sub {
919	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
920		1283
…		…
928	cf::override;	1291	cf::override;
929	},	1292	},
930	on_extcmd => sub {	1293	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
932		1295
933	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1297
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
941	} else {	1313	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1315	}
944		1316
945	cf::override;	1317	cf::override;
946	},	1318	},
947	);	1319	);
948		1320
		1321	# "readahead" all extensions
949	sub load_extension {	1322	sub cache_extensions {
950	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
951		1324
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
953	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1328	}
977	die $@;
978	}	1329	};
979		1330
980	push @EXTS, $pkg;	1331	$grp
981	}	1332	}
982		1333
983	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
984	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1339	next unless -r $path;
986	eval {	1340
987	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	$progress = 1;
988	1	1397	}
989	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
990	}	1403	};
991	}	1404	}
992		1405
993	#############################################################################	1406	#############################################################################
994		1407
		1408	=back
		1409
995	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
996		1411
997	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
998		1413
999	=cut	1414	=cut
1000		1415
1001	package cf::player;	1416	package cf::player;
1002		1417
1003	use Coro::AIO;	1418	use Coro::AIO;
1004		1419
1005	=head3 cf::player	1420	=head3 cf::player
1006		1421
1007	=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	}
1008		1437
1009	=item cf::player::find $login	1438	=item cf::player::find $login
1010		1439
1011	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1012		1441
…		…
1031		1460
1032	sub exists($) {	1461	sub exists($) {
1033	my ($login) = @_;	1462	my ($login) = @_;
1034		1463
1035	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1037	}	1466	}
1038		1467
1039	sub find($) {	1468	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1470	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1481
1053	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1056	}	1491	}
1057	}	1492	}
1058	}	1493	}
1059		1494
…		…
1068	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1069		1504
1070	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1072		1507
		1508	cf::get_slot 0.01;
		1509
1073	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1074	Coro::cede;	1511	cf::cede_to_tick;
1075	}	1512	}
1076		1513
1077	sub new($) {	1514	sub new($) {
1078	my ($login) = @_;	1515	my ($login) = @_;
1079		1516
…		…
1085	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1086		1523
1087	$self	1524	$self
1088	}	1525	}
1089		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
1090	=item $pl->quit_character	1537	=item $pl->quit_character
1091		1538
1092	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1094		1541
…		…
1098	my ($pl) = @_;	1545	my ($pl) = @_;
1099		1546
1100	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1101		1548
1102	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1103	$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
1104		1551
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1109		1558
1110	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1596	or return [];
1148		1597
1149	my @logins;	1598	my @logins;
1150		1599
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1155		1610
1156	utf8::decode $login;	1611	utf8::decode $login;
1157	push @logins, $login;	1612	push @logins, $login;
1158	}	1613	}
1159		1614
…		…
1186	}	1641	}
1187		1642
1188	\@paths	1643	\@paths
1189	}	1644	}
1190		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1191	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1192		1651
1193	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1194		1653
1195	=cut	1654	=cut
1196		1655
1197	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1199		1658
1200	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1660	}
1204		1661
1205	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1206		1663
1207	Sends an ext event to the client.	1664	Sends an ext event to the client.
1208		1665
1209	=cut	1666	=cut
1210		1667
1211	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1213		1670
1214	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1215	}	1672	}
1216		1673
1217	=head3 cf::region	1674	=head3 cf::region
1218		1675
1219	=over 4	1676	=over 4
…		…
1222		1679
1223	package cf::region;	1680	package cf::region;
1224		1681
1225	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1226		1683
1227	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1228		1685
1229	=cut	1686	=cut
1230		1687
1231	sub find_by_path($) {	1688	sub find_by_path($) {
1232	my ($path) = @_;	1689	my ($path) = @_;
1233		1690
1234	my ($match, $specificity);	1691	my ($match, $specificity);
1235		1692
1236	for my $region (list) {	1693	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1240	}	1697	}
1241	}	1698	}
1242		1699
…		…
1263	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1265		1722
1266	sub generate_random_map {	1723	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1729	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1307		1767
1308	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1309	local $self->{path};	1769	local $self->{path};
1310	local $self->{load_path};	1770	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1771
1314	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1315	}	1773	}
1316		1774
1317	sub normalise {	1775	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1365	return $self;	1823	return $self;
1366	}	1824	}
1367	}	1825	}
1368		1826
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1828	()
1371	}	1829	}
1372		1830
1373	sub init {	1831	sub init {
1374	my ($self) = @_;	1832	my ($self) = @_;
…		…
1396		1854
1397	# the temporary/swap location	1855	# the temporary/swap location
1398	sub save_path {	1856	sub save_path {
1399	my ($self) = @_;	1857	my ($self) = @_;
1400		1858
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1403	}	1861	}
1404		1862
1405	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1406	sub uniq_path {	1864	sub uniq_path {
1407	my ($self) = @_;	1865	my ($self) = @_;
1408		1866
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1411	}	1869	}
1412		1870
1413	# and all this just because we cannot iterate over	1871	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1872	my ($self) = @_;
1417		1873
1418	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1420	}	1877	}
1421		1878
1422	sub unlink_save {	1879	sub unlink_save {
1423	my ($self) = @_;	1880	my ($self) = @_;
1424		1881
…		…
1429		1886
1430	sub load_header_from($) {	1887	sub load_header_from($) {
1431	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1432		1889
1433	utf8::encode $path;	1890	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1899
1440	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1441		1901
1442	1	1902	1
1443	}	1903	}
…		…
1482	$self->load_header_orig	1942	$self->load_header_orig
1483	or return;	1943	or return;
1484	$self->prepare_orig;	1944	$self->prepare_orig;
1485	}	1945	}
1486		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1487	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1951	unless $self->default_region;
1489		1952
1490	1	1953	1
1491	}	1954	}
…		…
1494	sub find {	1957	sub find {
1495	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1496		1959
1497	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1498		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1964
1501	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1504	or return;	1967	or return;
1505		1968
1506	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1507		1970
1508	$map->load_header	1971	$map->load_header
1509	or return;	1972	or return;
1510		1973
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1514	$map->reset;	1979	$map->reset;
1515	undef $guard;
1516	return find $path;	1980	return find $path;
1517	}	1981	}
1518		1982
1519	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1520	}	1984	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1530		1994
1531	my $path = $self->{path};	1995	my $path = $self->{path};
1532		1996
1533	{	1997	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1535		1999
		2000	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2002
1538	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1539		2004
1540	$self->alloc;	2005	$self->alloc;
1541		2006
1542	$self->pre_load;	2007	$self->pre_load;
1543	Coro::cede;	2008	cf::cede_to_tick;
1544		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1546	or return;	2013	or return;
1547		2014
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1549	if delete $self->{load_original};	2016	if delete $self->{load_original};
1550		2017
1551	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2019	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2022	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1556	}	2026	}
1557	}	2027	}
1558		2028
1559	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1560	# now do the right thing for maps	2032	# now do the right thing for maps
1561	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2035	unless $self->difficulty;
1564	Coro::cede;	2036	cf::cede_to_tick;
1565		2037
1566	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2039	$self->decay_objects;
1568	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1569	$self->update_buttons;	2041	$self->update_buttons;
1570	Coro::cede;	2042	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2043	$self->activate;
1574	}	2044	}
1575		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2050	}
1578		2051
1579	$self->post_load;	2052	$self->post_load;
1580	}	2053	}
1581		2054
…		…
1583	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1584		2057
1585	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2059	if $self->per_player;
1587		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1588	$self	2064	$self
1589	}	2065	}
1590		2066
1591	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2068	sub load_neighbours {
1593	my ($map) = @_;	2069	my ($map) = @_;
1594		2070
1595	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1596		2072
1597	for (0 .. 3) {	2073	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1599	or next;	2075	or next;
1600	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1601	or next;	2077	or next;
1602	$neigh->load;	2078	$neigh->load;
1603		2079
		2080	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2083	}
1607		2084
1608	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1610	or next;	2088	or next;
1611	$neigh->load;	2089	$neigh->load;
1612	}	2090	}
1613	}	2091	}
1614		2092
…		…
1619	}	2097	}
1620		2098
1621	sub do_load_sync {	2099	sub do_load_sync {
1622	my ($map) = @_;	2100	my ($map) = @_;
1623		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1624	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1625	}	2106	}
1626		2107
1627	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1629		2110
1630	sub find_async {	2111	sub find_async {
1631	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1632		2113
1633	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1634		2115
1635	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2118	}
1638		2119
1639	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1640	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1641	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2127	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2128	$map->load if $v;
		2129	}
1646		2130
1647	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1648	}	2132	}
1649	}	2133	}
1650	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1651	};	2135	};
1652	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2139	}
1656		2140
1657	sub save {	2141	sub save {
1658	my ($self) = @_;	2142	my ($self) = @_;
1659		2143
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2145
1662	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1663		2147
1664	return unless $self->dirty;	2148	return unless $self->dirty;
1665		2149
…		…
1671	return if $self->{deny_save};	2155	return if $self->{deny_save};
1672		2156
1673	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1674		2158
1675	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1677	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1678		2165
1679	if ($uniq) {	2166	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2169	} else {
…		…
1688	my ($self) = @_;	2175	my ($self) = @_;
1689		2176
1690	# save first because save cedes	2177	# save first because save cedes
1691	$self->save;	2178	$self->save;
1692		2179
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2181
1695	return if $self->players;	2182	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2184	return if $self->{deny_save};
1698		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2190	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2191	}
1702		2192
1703	sub reset_at {	2193	sub reset_at {
1704	my ($self) = @_;	2194	my ($self) = @_;
1705		2195
1706	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1709		2198
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2201
…		…
1723	my ($self) = @_;	2212	my ($self) = @_;
1724		2213
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2215
1727	return if $self->players;	2216	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2217
1730	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1731		2219
1732	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1733		2221
1734	# need to save uniques path	2222	# need to save uniques path
1735	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2227	if $uniq;
1740	}	2228	}
1741		2229
1742	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1743		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2234	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2235
1748	$self->unlink_save;	2236	$self->unlink_save;
1749	$self->destroy;	2237	$self->destroy;
1750	}	2238	}
1751		2239
1752	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1753		2241
1754	sub nuke {	2242	sub nuke {
1755	my ($self) = @_;	2243	my ($self) = @_;
1756		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1757	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1758		2249
1759	$self->unlink_save;	2250	$self->unlink_save;
1760		2251
1761	bless $self, "cf::map";	2252	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2257
1767	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1768		2260
1769	$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	]
1770	}	2298	}
1771		2299
1772	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1773		2301
1774	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2303	instantiated unique items. May block.
1776		2304
1777	=cut	2305	=cut
1778		2306
1779	sub unique_maps() {	2307	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2308	[
1781	or return;	2309	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2310	utf8::decode $_;
1787	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2313	? ()
1790	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2316	]
1792
1793	\@paths
1794	}	2317	}
1795
1796	package cf;
1797		2318
1798	=back	2319	=back
1799		2320
1800	=head3 cf::object	2321	=head3 cf::object
1801		2322
…		…
1805		2326
1806	=over 4	2327	=over 4
1807		2328
1808	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1809		2330
1810	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.
1811		2333
1812	=cut	2334	=cut
1813		2335
1814	sub inv_recursive_;	2336	sub inv_recursive_;
1815	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1818		2340
1819	sub inv_recursive {	2341	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1821	}	2343	}
1822		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
1823	package cf;	2373	package cf;
1824		2374
1825	=back	2375	=back
1826		2376
1827	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1836		2386
1837	=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	};
1838		2402
1839	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2404	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1844		2408
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2410
1847	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1852	}	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 (@_);
1853	}	2436	}
1854		2437
1855	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1856		2439
1857	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1870		2453
1871	=item $player_object->enter_link	2454	=item $player_object->enter_link
1872		2455
1873	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}>).
1874		2457
1875	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.
1876	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.
1877		2462
1878	Will never block.	2463	Will never block.
1879		2464
1880	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1881		2466
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1939		2524
1940	$map->load;	2525	$map->load;
1941	$map->load_diag;	2526	$map->load_neighbours;
1942		2527
1943	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1944	$self->activate_recursive;	2530	$self->activate_recursive;
1945		2531
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1948	}	2534	}
1949		2535
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2537
1952	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
1953	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
1955	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 >>.
1956		2546
1957	=cut	2547	=cut
1958		2548
1959	our $GOTOGEN;	2549	our $GOTOGEN;
1960		2550
1961	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2553
1964	# 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
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2556
1967	$self->enter_link;	2557	$self->enter_link;
1968		2558
1969	(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
1970	my $map = eval {	2581	my $map = eval {
1971	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
1972		2583
1973	if ($map) {	2584	if ($map) {
1974	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
1976	} else {	2587	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2589	}
1979		2590
1980	$map	2591	$map
1981	};	2592	};
1982		2593
…		…
1987		2598
1988	if ($gen == $self->{_goto_generation}) {	2599	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2600	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
1991	}	2602	}
		2603
		2604	$done->() if $done;
1992	})->prio (1);	2605	})->prio (1);
1993	}	2606	}
1994		2607
1995	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1996		2609
…		…
2016	}	2629	}
2017		2630
2018	sub prepare_random_map {	2631	sub prepare_random_map {
2019	my ($exit) = @_;	2632	my ($exit) = @_;
2020		2633
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2636	# that depends on the exit object
2026		2637
2027	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2640	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2034	}	2647	}
2035		2648
2036	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2037		2650
2038	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2041		2654
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2657	undef $fh;
2045	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2046		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2049	}	2666	}
2050	}	2667	}
2051		2668
2052	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2054		2671
2055	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2056		2673
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2674	$self->enter_link;
2069		2675
2070	(async {	2676	(async {
2071	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2072	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
2073	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2074		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
2075	1;	2700	1
2076	}) {	2701	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "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. "
2079	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2706
2082	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2101		2726
2102	utf8::encode $text;	2727	utf8::encode $text;
2103	$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);
2104	}	2729	}
2105		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/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
		2840	);
		2841
		2842	sub cf::client::send_msg {
		2843	my ($self, $channel, $msg, $color, @extra) = @_;
		2844
		2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
		2847
		2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2849
		2850	# check predefined channels, for the benefit of C
		2851	if ($CHANNEL{$channel}) {
		2852	$channel = $CHANNEL{$channel};
		2853
		2854	$self->ext_msg (channel_info => $channel);
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel);
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
		2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2876	);
		2877
		2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
		2881
		2882	# split very large packets
		2883	if (8192 < length $pkt and $self->{can_lzf}) {
		2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2885	$pkt = "frag";
		2886	}
		2887
		2888	$self->send_packet ($pkt);
		2889	}
		2890
2106	=item $client->ext_event ($type, %msg)	2891	=item $client->ext_msg ($type, @msg)
2107		2892
2108	Sends an exti event to the client.	2893	Sends an ext event to the client.
2109		2894
2110	=cut	2895	=cut
2111		2896
2112	sub cf::client::ext_event($$%) {	2897	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2898	my ($self, $type, @msg) = @_;
2114		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2903	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
2117	}	2924	}
2118		2925
2119	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2120		2927
2121	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2931
2125	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2933	become reliable at some point in the future.
2127		2934
2128	=cut	2935	=cut
2129		2936
2130	sub cf::client::query {	2937	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2946	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2948
2142	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2144	}	2953	}
2145		2954
2146	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2147	on_reply => sub {	2961	on_reply => sub {
2148	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2149		2963
2150	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2151	# get handled first	2965	# get handled first
…		…
2163	} else {	2977	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2979	}
2166	}	2980	}
2167	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2168	);	3008	);
2169		3009
2170	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2171		3011
2172	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2215		3055
2216	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2217		3057
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2219		3063
2220	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2221		3065
2222	=pod	3066	=pod
2223		3067
2224	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2225		3069
2226	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease split
		3073	value
		3074
2227	cf::object::player player	3075	cf::object::player
2228	cf::player peaceful	3076	player
2229	cf::map trigger	3077
		3078	cf::player
		3079	peaceful
		3080
		3081	cf::map
		3082	trigger
2230		3083
2231	=cut	3084	=cut
2232		3085
2233	for (	3086	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3088	insert remove inv nrof name archname title slaying race
		3089	decrease split destroy change_exp value msg lore send_msg)],
2235	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
2238	) {	3093	) {
2239	no strict 'refs';	3094	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2258	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
2259		3114
2260	my $qcode = $code;	3115	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
2263		3120
2264	local $_;	3121	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
2266		3123
2267	my $eval =	3124	my $eval =
…		…
2310	=back	3167	=back
2311		3168
2312	=cut	3169	=cut
2313		3170
2314	#############################################################################	3171	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	3172	# the server's init and main functions
2490		3173
2491	sub load_facedata($) {	3174	sub load_facedata($) {
2492	my ($path) = @_;	3175	my ($path) = @_;
		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3182
2494	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2495		3184
2496	my $facedata;	3185	my $facedata;
2497	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2501		3190
2502	$facedata->{version} == 2	3191	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2505	{	3201	{
2506	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2507		3203
2508	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3211
		3212	cf::cede_to_tick;
2514	}	3213	}
2515		3214
2516	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2518	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2519	or next;	3219	or next;
		3220
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3224	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3226	}
2525	Coro::cede;	3227
		3228	cf::cede_to_tick;
2526	}	3229	}
2527	}	3230	}
2528		3231
2529	{	3232	{
2530	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2531		3234
2532	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3237	cf::cede_to_tick;
2535	}	3238	}
2536		3239
2537	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2538	}	3241	}
2539		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2540	1	3278	1
2541	}	3279	}
2542		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
2543	sub reload_regions {	3319	sub reload_regions {
		3320	# HACK to clear player env face cache, we need some signal framework
		3321	# for this (global event?)
		3322	%ext::player_env::MUSIC_FACE_CACHE = ();
		3323
2544	load_resource_file "$MAPDIR/regions"	3324	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3325	or die "unable to load regions file\n";
		3326
		3327	for (cf::region::list) {
		3328	$_->{match} = qr/$_->{match}/
		3329	if exists $_->{match};
		3330	}
2546	}	3331	}
2547		3332
2548	sub reload_facedata {	3333	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3334	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3335	or die "unable to load facedata\n";
…		…
2561	}	3346	}
2562		3347
2563	sub reload_resources {	3348	sub reload_resources {
2564	warn "reloading resource files...\n";	3349	warn "reloading resource files...\n";
2565		3350
2566	reload_regions;
2567	reload_facedata;	3351	reload_facedata;
2568	reload_archetypes;	3352	reload_archetypes;
		3353	reload_regions;
2569	reload_treasures;	3354	reload_treasures;
2570		3355
2571	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
2572	}	3357	}
2573		3358
2574	sub init {	3359	sub reload_config {
2575	reload_resources;
2576	}
2577
2578	sub cfg_load {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3361	or return;
2581		3362
2582	local $/;	3363	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2584		3365
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2586		3367
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2594	};	3375	};
2595	warn $@ if $@;	3376	warn $@ if $@;
2596	}	3377	}
2597	}	3378	}
2598		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
2599	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
2600	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3417	(async {
2604	Event::one_event;	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3419	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
2606	};	3421	};
2607		3422
2608	cfg_load;	3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
		3427	reload_config;
2609	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
2610	load_extensions;	3441	load_extensions;
2611		3442
2612	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
		3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
2613	Event::loop;	3451	EV::loop;
2614	}	3452	}
2615		3453
2616	#############################################################################	3454	#############################################################################
2617	# initialisation and cleanup	3455	# initialisation and cleanup
2618		3456
2619	# install some emergency cleanup handlers	3457	# install some emergency cleanup handlers
2620	BEGIN {	3458	BEGIN {
		3459	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3460	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3461	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
2629	},
2630	);	3463	};
		3464	}
		3465	}
		3466
		3467	sub write_runtime_sync {
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2631	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
2632	}	3551	}
2633		3552
2634	sub emergency_save() {	3553	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
2636		3555
2637	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
2638		3557
2639	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
2640	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3570	$pl->valid or next;
		3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3572	$pl->save;
2648	}	3573	}
2649	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
2650		3575
2651	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3579	$map->valid or next;
2655	$map->save;	3580	$map->save;
2656	}	3581	}
2657	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
2658		3583
2659	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
2662	};	3591	};
2663		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
2664	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
2665	}	3599	}
2666		3600
2667	sub post_cleanup {	3601	sub post_cleanup {
2668	my ($make_core) = @_;	3602	my ($make_core) = @_;
2669		3603
2670	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
2672	}	3635	}
2673		3636
2674	sub do_reload_perl() {	3637	sub do_reload_perl() {
2675	# can/must only be called in main	3638	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
2677	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
2678	return;	3641	return;
2679	}	3642	}
2680		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
2681	warn "reloading...";	3649	warn "reloading...";
2682		3650
2683	warn "entering sync_job";	3651	warn "entering sync_job";
2684		3652
2685	cf::sync_job {	3653	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
2687	cf::emergency_save;	3655	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
2689		3657
2690	warn "syncing database to disk";	3658	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3660
2693	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
2694		3662
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
2706	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();
2714
2715	warn "removing commands";
2716	%COMMAND = ();
2717
2718	warn "removing ext commands";
2719	%EXTCMD = ();
2720
2721	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";
2724
2725	if (my $cb = $pkg->can ("unload")) {
2726	eval {
2727	$cb->($pkg);
2728	1
2729	} or warn "$pkg unloaded, but with errors: $@";
2730	}	3666	}
2731		3667
2732	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
2733	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
2734	}	3670	%EXT_CORO = ();
2735		3671
2736	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
2737	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
2740	warn "... unloading $k";	3681	warn "... unloading $pkg";
2741	delete $INC{$k};
2742		3682
2743	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;
2745
2746	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
2747	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
2748	}	3692	}
2749		3693
2750	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
2751	}	3709	}
2752		3710
2753	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3714
2757	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3718
2761	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3720	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
2764		3722
2765	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
2766		3724
2767	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
2768	require cf;	3726	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3728
2771	warn "loading config and database again";	3729	warn "loading config and database again";
2772	cf::cfg_load;	3730	cf::reload_config;
2773		3731
2774	warn "loading extensions";	3732	warn "loading extensions";
2775	cf::load_extensions;	3733	cf::load_extensions;
2776		3734
		3735	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
2783		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
2784	warn "leaving sync_job";	3747	warn "leaving sync_job";
2785		3748
2786	1	3749	1
2787	} or do {	3750	} or do {
2788	warn $@;	3751	warn $@;
2789	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
2790	exit 1;
2791	};	3753	};
2792		3754
2793	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
2794	};	3761	};
2795		3762
2796	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
2797		3764
2798	sub reload_perl() {	3765	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
2801		3768
2802	$RELOAD_WATCHER ||= Event->timer (	3769	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	3770	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	3771
2805	data => WF_AUTOCANCEL,	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	3773	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
2809	},	3775	};
2810	);	3776	};
2811	}	3777	}
2812		3778
2813	register_command "reload" => sub {	3779	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
2815		3781
2816	if ($who->flag (FLAG_WIZ)) {	3782	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3783	$who->message ("reloading server.");
		3784	async {
		3785	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3786	reload_perl;
		3787	};
2819	}	3788	}
2820	};	3789	};
2821		3790
2822	unshift @INC, $LIBDIR;	3791	unshift @INC, $LIBDIR;
2823		3792
…		…
2825		3794
2826	our @WAIT_FOR_TICK;	3795	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	3796	our @WAIT_FOR_TICK_BEGIN;
2828		3797
2829	sub wait_for_tick {	3798	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	3799	return if tick_inhibit || $Coro::current == $Coro::main;
2832		3800
2833	my $signal = new Coro::Signal;	3801	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	3802	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	3803	$signal->wait;
2836	}	3804	}
2837		3805
2838	sub wait_for_tick_begin {	3806	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	3807	return if tick_inhibit || $Coro::current == $Coro::main;
2841		3808
2842	my $signal = new Coro::Signal;	3809	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3810	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3811	$signal->wait;
2845	}	3812	}
2846		3813
2847	my $min = 1e6;#d#	3814	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
2859	return;	3818	return;
2860	}	3819	}
2861		3820
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
2865		3822
2866	0 && sync_job {#d#	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	3825	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3826	$Coro::current->{desc} = "runtime saver";
2870	or die;	3827	write_runtime_sync
2871		3828	or warn "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	3829	};
		3830	}
2888		3831
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3833	$sig->send;
2905	}	3834	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3835	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3836	$sig->send;
2908	}	3837	}
2909		3838
2910	$NOW = Event::time;	3839	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3841
2921	_post_tick;	3842	if (0) {
2922		3843	if ($NEXT_TICK) {
2923		3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
2924	},	3848	}
2925	);	3849	}
2926		3850
2927	{	3851	{
2928	BDB::max_poll_time $TICK * 0.1;	3852	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	3853
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
2938		3855	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	3856	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		3857
2954	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
		3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		3865
2957	cf::sync_job {	3866	cf::sync_job {
2958	eval {	3867	eval {
2959	BDB::db_env_open	3868	BDB::db_env_open
2960	$DB_ENV,	3869	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3871	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3872	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3873	0666;
2965		3874
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3875	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3876	};
2971		3877
2972	cf::cleanup "db_env_open(db): $@" if $@;	3878	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3879	};
2974	}	3880	}
		3881
		3882	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3883	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3884	};
		3885	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3886	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3887	};
		3888	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3889	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3890	};
2975	}	3891	}
2976		3892
2977	{	3893	{
		3894	# configure IO::AIO
		3895
2978	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	3898	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	3899	}
2991		3900
2992	my $_log_backtrace;	3901	my $_log_backtrace;
2993		3902
2994	sub _log_backtrace {	3903	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	3906	$msg =~ s/\n//;
2998		3907
2999	# limit the # of concurrent backtraces	3908	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3909	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
3002	async {	3912	async {
		3913	$Coro::current->{desc} = "abt $msg";
		3914
3003	my @bt = fork_call {	3915	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3916	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3917	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3918	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	3919	or die "addr2line: $!";
…		…
3015	}	3927	}
3016		3928
3017	@funcs	3929	@funcs
3018	};	3930	};
3019		3931
3020	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	3934	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	3935	--$_log_backtrace;
3023	};	3936	};
3024	} else {	3937	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	3939	LOG llevInfo, "[ABT] [suppressed]\n";
3027	}	3940	}
3028	}	3941	}
3029		3942
3030	# load additional modules	3943	# load additional modules
3031	use cf::pod;	3944	require "cf/$_.pm" for @EXTRA_MODULES;
3032		3945
3033	END { cf::emergency_save }	3946	END { cf::emergency_save }
3034		3947
3035	1	3948	1
3036		3949

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