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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
95	binmode STDOUT;	141	binmode STDOUT;
96	binmode STDERR;	142	binmode STDERR;
97		143
98	# read virtual server time, if available	144	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
103	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
104		152
105	mkdir $_	153	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		155
108	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
139		187
140	=item $cf::TICK	188	=item $cf::TICK
141		189
142	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
143		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
144	=item %cf::CFG	202	=item %cf::CFG
145		203
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	205	from wherever your confdir points to.
148		206
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		208
151	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
152	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
153	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.
154		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
155	=back	219	=back
156		220
157	=cut	221	=cut
158		222
159	BEGIN {	223	BEGIN {
…		…
163	$msg .= "\n"	227	$msg .= "\n"
164	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
165		229
166	$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;
167		231
168	utf8::encode $msg;
169	LOG llevError, $msg;	232	LOG llevError, $msg;
170	};	233	};
171	}	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#?
172		250
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		258
180	# 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
181	# within the Safe compartment.	260	# within the Safe compartment.
182	for my $pkg (qw(	261	for my $pkg (qw(
183	cf::global cf::attachable	262	cf::global cf::attachable
184	cf::object cf::object::player	263	cf::object cf::object::player
185	cf::client cf::player	264	cf::client cf::player
186	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
187	cf::map cf::party cf::region	267	cf::party cf::region
188	)) {	268	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	270	}
192		271
193	$Event::DIED = sub {	272	$EV::DIED = sub {
194	warn "error in event callback: @_";	273	warn "error in event callback: @_";
195	};	274	};
		275
		276	#############################################################################
196		277
197	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
198		279
199	=over 4	280	=over 4
200		281
…		…
219	$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;
220	$d	301	$d
221	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
222	}	303	}
223		304
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
227		306
228	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
229		308
230	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
231		310
232	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	334	=item cf::lock_wait $string
235		335
236	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
237		337
238	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
239		339
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
243	returned.	343	returned.
244		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
245	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
246	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
247		350
248	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
249		352
250	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.
251		354
252	=cut	355	=cut
253		356
254	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
255		358
256	sub lock_wait($) {	359	sub lock_wait($) {
257	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	361	}
265		362
266	sub lock_acquire($) {	363	sub lock_acquire($) {
267	my ($key) = @_;	364	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	365	}
279		366
280	sub lock_active($) {	367	sub lock_active($) {
281	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	369	}
285		370
286	sub freeze_mainloop {	371	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
288		373
289	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
291	};	435	}
292	$TICK_WATCHER->stop;	436	};
293	$guard	437
		438	sub get_slot($;$$) {
		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	$sig->wait;
294	}	450	}
295		451
296	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
297		453
298	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		459
304	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
305		461
306	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
307		463
308	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
311		468
312	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
315	fast or be very important.	472	fast or be very important.
…		…
318		475
319	sub sync_job(&) {	476	sub sync_job(&) {
320	my ($job) = @_;	477	my ($job) = @_;
321		478
322	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
323	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
325		484
326	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	486
328	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
329		488
330	my $busy = 1;	489	my $busy = 1;
331	my @res;	490	my @res;
332		491
333	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	494	@res = eval { $job->() };
335	warn $@ if $@;	495	warn $@ if $@;
336	undef $busy;	496	undef $busy;
337	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
338		498
339	while ($busy) {	499	while ($busy) {
340	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
341	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
342		510
343	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
344	} else {	512	} else {
345	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
346		514
…		…
366	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
367		535
368	$coro	536	$coro
369	}	537	}
370		538
371	sub write_runtime {	539	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		540
374	my $runtime = "$LOCALDIR/runtime";	541	Executes the given code block with the given arguments in a seperate
		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.
375		545
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	546	=cut
377	or return;
378		547
379	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		550
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
384	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
385		554
386	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	556	reset_signals;
388	and return;	557	&$cb
		558	}, @args;
389		559
390	close $fh	560	wantarray ? @res : $res[-1]
391	or return;	561	}
392		562
393	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
394	and return;
395		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		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 $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
396	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		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"
397	}	715	}
398		716
399	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
400		718
401	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.
…		…
413		731
414	#############################################################################	732	#############################################################################
415		733
416	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
417		735
418	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
419	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")
420	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
421		739
422	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>
423	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
424	crossfire+).	742	Deliantra).
425		743
426	=over 4	744	=over 4
427		745
428	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
429		747
…		…
473	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
474		792
475	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
477		795
478	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		798
481	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
482		800
483	=over 4	801	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
593		911
594	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		916
599	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	918	my $pkg = shift @arg;
601		919
602	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
632	}	950	}
633		951
634	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
635	} else {	953	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	955	}
638		956
639	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
640	}	958	}
641		959
…		…
643	if (ref $_[0]) {	961	if (ref $_[0]) {
644	_object_attach @_;	962	_object_attach @_;
645	} else {	963	} else {
646	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
647	}	965	}
		966	_recalc_want;
648	};	967	};
649		968
650	# all those should be optimised	969	# all those should be optimised
651	sub cf::attachable::detach {	970	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
656	reattach ($obj);	975	reattach ($obj);
657	} else {	976	} else {
658	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
659	}	978	}
		979	_recalc_want;
660	};	980	};
661		981
662	sub cf::attachable::attached {	982	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
664		984
…		…
679	";	999	";
680	die if $@;	1000	die if $@;
681	}	1001	}
682		1002
683	our $override;	1003	our $override;
684	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?
685		1005
686	sub override {	1006	sub override {
687	$override = 1;	1007	$override = 1;
688	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
689	}	1009	}
690		1010
691	sub do_invoke {	1011	sub do_invoke {
692	my $event = shift;	1012	my $event = shift;
693	my $callbacks = shift;	1013	my $callbacks = shift;
694		1014
695	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
696		1016
697	local $override;	1017	local $override;
698		1018
699	for (@$callbacks) {	1019	for (@$callbacks) {
700	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
709	}	1029	}
710		1030
711	0	1031	0
712	}	1032	}
713		1033
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1035
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1037
718	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
719		1039
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1043
724	=back	1044	=back
725		1045
726	=cut	1046	=cut
727		1047
728	#############################################################################	1048	#############################################################################
729	# 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, $ob2
		1091	}
730		1092
731	sub reattach {	1093	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1095	my ($obj) = @_;
734		1096
		1097	# no longer needed after getting rid of delete_package?
735	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
736		1099
737	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
738		1101
739	@$registry = ();	1102	@$registry = ();
740		1103
…		…
755	cf::attachable->attach (	1118	cf::attachable->attach (
756	prio => -1000000,	1119	prio => -1000000,
757	on_instantiate => sub {	1120	on_instantiate => sub {
758	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
759		1122
760	$data = from_json $data;	1123	$data = decode_json $data;
761		1124
762	for (@$data) {	1125	for (@$data) {
763	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
764		1127
765	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1144	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
783		1146
784	sync_job {	1147	sync_job {
785	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
788		1152
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1157	aio_close $fh;
794		1158
795	if (@$objs) {	1159	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1165	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
803	}	1167	}
804	} else {	1168	} else {
805	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
806	}	1170	}
807		1171
808	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1176	} else {
810	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
811	}	1178	}
812	} else {	1179	} else {
813	aio_unlink $filename;	1180	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
815	}	1182	}
816	}	1183	};
817	}	1184	}
818		1185
819	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
821		1188
…		…
833	or return;	1200	or return;
834		1201
835	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
837	or return;	1204	or return;
		1205
838	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
839	}	1208	}
840		1209
		1210	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
843	return ($data, $av);	1214	($data, $av)
844	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
845		1222
846	#############################################################################	1223	#############################################################################
847	# command handling &c	1224	# command handling &c
848		1225
849	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1240	}
864		1241
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1243
867	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.
868		1249
869	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
870	called.	1251	called.
871		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
872	=cut	1264	=cut
873		1265
874	sub register_extcmd {	1266	sub register_extcmd {
875	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
876		1268
877	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
878	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
879		1279
880	cf::player->attach (	1280	cf::player->attach (
881	on_command => sub {	1281	on_command => sub {
882	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
883		1283
…		…
891	cf::override;	1291	cf::override;
892	},	1292	},
893	on_extcmd => sub {	1293	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
895		1295
896	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1297
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
904	} else {	1313	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1315	}
907		1316
908	cf::override;	1317	cf::override;
909	},	1318	},
910	);	1319	);
911		1320
		1321	# "readahead" all extensions
912	sub load_extension {	1322	sub cache_extensions {
913	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
914		1324
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1328	}
940	die $@;
941	}	1329	};
942		1330
943	push @EXTS, $pkg;	1331	$grp
944	}	1332	}
945		1333
946	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
947	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1339	next unless -r $path;
949	eval {	1340
950	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	$progress = 1;
951	1	1397	}
952	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
953	}	1403	};
954	}	1404	}
955		1405
956	#############################################################################	1406	#############################################################################
957		1407
		1408	=back
		1409
958	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
959		1411
960	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
961		1413
962	=cut	1414	=cut
963		1415
964	package cf::player;	1416	package cf::player;
965		1417
966	use Coro::AIO;	1418	use Coro::AIO;
967		1419
968	=head3 cf::player	1420	=head3 cf::player
969		1421
970	=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	}
971		1437
972	=item cf::player::find $login	1438	=item cf::player::find $login
973		1439
974	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
975		1441
…		…
994		1460
995	sub exists($) {	1461	sub exists($) {
996	my ($login) = @_;	1462	my ($login) = @_;
997		1463
998	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1000	}	1466	}
1001		1467
1002	sub find($) {	1468	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1470	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1481
1016	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1019	}	1491	}
1020	}	1492	}
1021	}	1493	}
1022		1494
…		…
1031	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1032		1504
1033	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1035		1507
		1508	cf::get_slot 0.01;
		1509
1036	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1037	Coro::cede;	1511	cf::cede_to_tick;
1038	}	1512	}
1039		1513
1040	sub new($) {	1514	sub new($) {
1041	my ($login) = @_;	1515	my ($login) = @_;
1042		1516
…		…
1048	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1049		1523
1050	$self	1524	$self
1051	}	1525	}
1052		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
1053	=item $pl->quit_character	1537	=item $pl->quit_character
1054		1538
1055	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1057		1541
…		…
1061	my ($pl) = @_;	1545	my ($pl) = @_;
1062		1546
1063	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1064		1548
1065	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1066	$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
1067		1551
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1072		1558
1073	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1596	or return [];
1111		1597
1112	my @logins;	1598	my @logins;
1113		1599
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1118		1610
1119	utf8::decode $login;	1611	utf8::decode $login;
1120	push @logins, $login;	1612	push @logins, $login;
1121	}	1613	}
1122		1614
…		…
1149	}	1641	}
1150		1642
1151	\@paths	1643	\@paths
1152	}	1644	}
1153		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1154	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1155		1651
1156	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1157		1653
1158	=cut	1654	=cut
1159		1655
1160	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1162		1658
1163	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1660	}
1167		1661
1168	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1169		1663
1170	Sends an ext event to the client.	1664	Sends an ext event to the client.
1171		1665
1172	=cut	1666	=cut
1173		1667
1174	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1176		1670
1177	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1178	}	1672	}
1179		1673
1180	=head3 cf::region	1674	=head3 cf::region
1181		1675
1182	=over 4	1676	=over 4
…		…
1185		1679
1186	package cf::region;	1680	package cf::region;
1187		1681
1188	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1189		1683
1190	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1191		1685
1192	=cut	1686	=cut
1193		1687
1194	sub find_by_path($) {	1688	sub find_by_path($) {
1195	my ($path) = @_;	1689	my ($path) = @_;
1196		1690
1197	my ($match, $specificity);	1691	my ($match, $specificity);
1198		1692
1199	for my $region (list) {	1693	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1203	}	1697	}
1204	}	1698	}
1205		1699
…		…
1226	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1228		1722
1229	sub generate_random_map {	1723	sub generate_random_map {
1230	my ($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
1231	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1729	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1270		1767
1271	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1272	local $self->{path};	1769	local $self->{path};
1273	local $self->{load_path};	1770	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1771
1277	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1278	}	1773	}
1279		1774
1280	sub normalise {	1775	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1328	return $self;	1823	return $self;
1329	}	1824	}
1330	}	1825	}
1331		1826
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1828	()
1334	}	1829	}
1335		1830
1336	sub init {	1831	sub init {
1337	my ($self) = @_;	1832	my ($self) = @_;
…		…
1359		1854
1360	# the temporary/swap location	1855	# the temporary/swap location
1361	sub save_path {	1856	sub save_path {
1362	my ($self) = @_;	1857	my ($self) = @_;
1363		1858
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1366	}	1861	}
1367		1862
1368	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1369	sub uniq_path {	1864	sub uniq_path {
1370	my ($self) = @_;	1865	my ($self) = @_;
1371		1866
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1374	}	1869	}
1375		1870
1376	# and all this just because we cannot iterate over	1871	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1872	my ($self) = @_;
1380		1873
1381	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1383	}	1877	}
1384		1878
1385	sub unlink_save {	1879	sub unlink_save {
1386	my ($self) = @_;	1880	my ($self) = @_;
1387		1881
…		…
1392		1886
1393	sub load_header_from($) {	1887	sub load_header_from($) {
1394	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1395		1889
1396	utf8::encode $path;	1890	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1899
1403	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1404		1901
1405	1	1902	1
1406	}	1903	}
…		…
1445	$self->load_header_orig	1942	$self->load_header_orig
1446	or return;	1943	or return;
1447	$self->prepare_orig;	1944	$self->prepare_orig;
1448	}	1945	}
1449		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1450	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1951	unless $self->default_region;
1452		1952
1453	1	1953	1
1454	}	1954	}
…		…
1457	sub find {	1957	sub find {
1458	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1459		1959
1460	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1461		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1463		1964
1464	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1467	or return;	1967	or return;
1468		1968
1469	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1470		1970
1471	$map->load_header	1971	$map->load_header
1472	or return;	1972	or return;
1473		1973
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1477	$map->reset;	1979	$map->reset;
1478	undef $guard;
1479	return find $path;	1980	return find $path;
1480	}	1981	}
1481		1982
1482	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1483	}	1984	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1493		1994
1494	my $path = $self->{path};	1995	my $path = $self->{path};
1495		1996
1496	{	1997	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1498		1999
		2000	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2002
1501	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1502		2004
1503	$self->alloc;	2005	$self->alloc;
1504		2006
1505	$self->pre_load;	2007	$self->pre_load;
1506	Coro::cede;	2008	cf::cede_to_tick;
1507		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1509	or return;	2013	or return;
1510		2014
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1512	if delete $self->{load_original};	2016	if delete $self->{load_original};
1513		2017
1514	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2019	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2022	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1519	}	2026	}
1520	}	2027	}
1521		2028
1522	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1523	# now do the right thing for maps	2032	# now do the right thing for maps
1524	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2035	unless $self->difficulty;
1527	Coro::cede;	2036	cf::cede_to_tick;
1528		2037
1529	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2039	$self->decay_objects;
1531	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1532	$self->update_buttons;	2041	$self->update_buttons;
1533	Coro::cede;	2042	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2043	$self->activate;
1537	}	2044	}
1538		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1540
1541	undef $guard;
1542	}	2050	}
1543		2051
1544	$self->post_load;	2052	$self->post_load;
1545	}	2053	}
1546		2054
…		…
1548	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1549		2057
1550	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2059	if $self->per_player;
1552		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1553	$self	2064	$self
1554	}	2065	}
1555		2066
1556	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2068	sub load_neighbours {
1558	my ($map) = @_;	2069	my ($map) = @_;
1559		2070
1560	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1561		2072
1562	for (0 .. 3) {	2073	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1564	or next;	2075	or next;
1565	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1566	or next;	2077	or next;
1567	$neigh->load;	2078	$neigh->load;
1568		2079
		2080	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2083	}
1572		2084
1573	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1575	or next;	2088	or next;
1576	$neigh->load;	2089	$neigh->load;
1577	}	2090	}
1578	}	2091	}
1579		2092
…		…
1584	}	2097	}
1585		2098
1586	sub do_load_sync {	2099	sub do_load_sync {
1587	my ($map) = @_;	2100	my ($map) = @_;
1588		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1589	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1590	}	2106	}
1591		2107
1592	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1594		2110
1595	sub find_async {	2111	sub find_async {
1596	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1597		2113
1598	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1599		2115
1600	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2118	}
1603		2119
1604	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1605	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1606	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2127	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2128	$map->load if $v;
		2129	}
1611		2130
1612	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1613	}	2132	}
1614	}	2133	}
1615	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1616	};	2135	};
1617	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2139	}
1621		2140
1622	sub save {	2141	sub save {
1623	my ($self) = @_;	2142	my ($self) = @_;
1624		2143
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2145
1627	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1628		2147
1629	return unless $self->dirty;	2148	return unless $self->dirty;
1630		2149
…		…
1636	return if $self->{deny_save};	2155	return if $self->{deny_save};
1637		2156
1638	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1639		2158
1640	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1642	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1643		2165
1644	if ($uniq) {	2166	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2169	} else {
…		…
1653	my ($self) = @_;	2175	my ($self) = @_;
1654		2176
1655	# save first because save cedes	2177	# save first because save cedes
1656	$self->save;	2178	$self->save;
1657		2179
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2181
1660	return if $self->players;	2182	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1662	return if $self->{deny_save};	2184	return if $self->{deny_save};
1663		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2190	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2191	}
1667		2192
1668	sub reset_at {	2193	sub reset_at {
1669	my ($self) = @_;	2194	my ($self) = @_;
1670		2195
1671	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1674		2198
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2201
…		…
1688	my ($self) = @_;	2212	my ($self) = @_;
1689		2213
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2215
1692	return if $self->players;	2216	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2217
1695	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1696		2219
1697	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1698		2221
1699	# need to save uniques path	2222	# need to save uniques path
1700	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2227	if $uniq;
1705	}	2228	}
1706		2229
1707	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1708		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2234	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2235
1713	$self->unlink_save;	2236	$self->unlink_save;
1714	$self->destroy;	2237	$self->destroy;
1715	}	2238	}
1716		2239
1717	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1718		2241
1719	sub nuke {	2242	sub nuke {
1720	my ($self) = @_;	2243	my ($self) = @_;
1721		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1722	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1723		2249
1724	$self->unlink_save;	2250	$self->unlink_save;
1725		2251
1726	bless $self, "cf::map";	2252	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2257
1732	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1733		2260
1734	$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	]
1735	}	2298	}
1736		2299
1737	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1738		2301
1739	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2303	instantiated unique items. May block.
1741		2304
1742	=cut	2305	=cut
1743		2306
1744	sub unique_maps() {	2307	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2308	[
1746	or return;	2309	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2310	utf8::decode $_;
1752	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2313	? ()
1755	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2316	]
1757
1758	\@paths
1759	}	2317	}
1760
1761	package cf;
1762		2318
1763	=back	2319	=back
1764		2320
1765	=head3 cf::object	2321	=head3 cf::object
1766		2322
…		…
1770		2326
1771	=over 4	2327	=over 4
1772		2328
1773	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1774		2330
1775	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.
1776		2333
1777	=cut	2334	=cut
1778		2335
1779	sub inv_recursive_;	2336	sub inv_recursive_;
1780	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1783		2340
1784	sub inv_recursive {	2341	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1786	}	2343	}
1787		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
1788	package cf;	2373	package cf;
1789		2374
1790	=back	2375	=back
1791		2376
1792	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1798	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>
1799	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
1800	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1801		2386
1802	=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	};
1803		2402
1804	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2404	# with dialog boxes.
1806	#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
1807	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1809		2408
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2410
1812	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1817	}	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 (@_);
1818	}	2436	}
1819		2437
1820	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1821		2439
1822	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1835		2453
1836	=item $player_object->enter_link	2454	=item $player_object->enter_link
1837		2455
1838	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}>).
1839		2457
1840	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.
1841	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.
1842		2462
1843	Will never block.	2463	Will never block.
1844		2464
1845	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1846		2466
…		…
1869	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1870		2490
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2492
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1875		2495
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2497	}
1878		2498
1879	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1881		2503
1882	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1883		2505
1884	unless ($map) {	2506	unless ($map) {
1885	# restore original map position	2507	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1902		2524
1903	$map->load;	2525	$map->load;
1904	$map->load_diag;	2526	$map->load_neighbours;
1905		2527
1906	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1907	$self->activate_recursive;	2530	$self->activate_recursive;
1908		2531
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1911	}	2534	}
1912		2535
1913	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2537
1917	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1921	};	2542	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2543
1927	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1928	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2546
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1948		2550
1949	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2556
1952	$self->enter_link;	2557	$self->enter_link;
1953		2558
1954	(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
1955	my $map = eval {	2581	my $map = eval {
1956	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1958	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2597	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1963	})->prio (1);	2605	})->prio (1);
1964	}	2606	}
1965		2607
1966	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1967		2609
…		…
1987	}	2629	}
1988		2630
1989	sub prepare_random_map {	2631	sub prepare_random_map {
1990	my ($exit) = @_;	2632	my ($exit) = @_;
1991		2633
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2636	# that depends on the exit object
1997		2637
1998	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2640	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2005	}	2647	}
2006		2648
2007	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2008		2650
2009	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2012		2654
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2657	undef $fh;
2016	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2017		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2020	}	2666	}
2021	}	2667	}
2022		2668
2023	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2025		2671
2026	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2027		2673
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2674	$self->enter_link;
2040		2675
2041	(async {	2676	(async {
2042	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2043	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
2044	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2045		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
2046	1;	2700	1
2047	}) {	2701	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "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. "
2050	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2052		2706
2053	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2072		2726
2073	utf8::encode $text;	2727	utf8::encode $text;
2074	$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);
2075	}	2729	}
2076		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
		2830	sub cf::client::send_msg {
		2831	my ($self, $channel, $msg, $color, @extra) = @_;
		2832
		2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
		2845	} elsif (ref $channel) {
		2846	# send meta info to client, if not yet sent
		2847	unless (exists $self->{channel}{$channel->{id}}) {
		2848	$self->{channel}{$channel->{id}} = $channel;
		2849	$self->ext_msg (channel_info => $channel);
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	# default colour, mask it out
		2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2859	if $color & cf::NDI_DEF;
		2860
		2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2864	);
		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
2077	=item $client->ext_event ($type, %msg)	2879	=item $client->ext_msg ($type, @msg)
2078		2880
2079	Sends an exti event to the client.	2881	Sends an ext event to the client.
2080		2882
2081	=cut	2883	=cut
2082		2884
2083	sub cf::client::ext_event($$%) {	2885	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2886	my ($self, $type, @msg) = @_;
2085		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2891	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
2088	}	2912	}
2089		2913
2090	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
2091		2915
2092	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2919
2096	Queries can fail, so check the return code. Or don't, as queries will become	2920	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2921	become reliable at some point in the future.
2098		2922
2099	=cut	2923	=cut
2100		2924
2101	sub cf::client::query {	2925	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2934	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2936
2113	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
2115	}	2941	}
2116		2942
2117	cf::client->attach (	2943	cf::client->attach (
		2944	on_connect => sub {
		2945	my ($ns) = @_;
		2946
		2947	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2948	},
2118	on_reply => sub {	2949	on_reply => sub {
2119	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
2120		2951
2121	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
2122	# get handled first	2953	# get handled first
…		…
2134	} else {	2965	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2967	}
2137	}	2968	}
2138	},	2969	},
		2970	on_exticmd => sub {
		2971	my ($ns, $buf) = @_;
		2972
		2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2974
		2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
		2983	if (my $cb = $EXTICMD{$type}) {
		2984	@reply = $cb->($ns, @payload);
		2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
		2990	} else {
		2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2992	}
		2993
		2994	cf::override;
		2995	},
2139	);	2996	);
2140		2997
2141	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2142		2999
2143	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2186		3043
2187	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2188		3045
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2190		3051
2191	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2192		3053
2193	=pod	3054	=pod
2194		3055
2195	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2196		3057
2197	cf::object contr pay_amount pay_player map	3058	cf::object
		3059	contr pay_amount pay_player map x y force_find force_add destroy
		3060	insert remove name archname title slaying race decrease split
		3061	value
		3062
2198	cf::object::player player	3063	cf::object::player
2199	cf::player peaceful	3064	player
2200	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2201		3071
2202	=cut	3072	=cut
2203		3073
2204	for (	3074	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2206	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2208	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2209	) {	3081	) {
2210	no strict 'refs';	3082	no strict 'refs';
2211	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2212	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2229	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2230		3102
2231	my $qcode = $code;	3103	my $qcode = $code;
2232	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2233	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2234		3108
2235	local $_;	3109	local $_;
2236	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2237		3111
2238	my $eval =	3112	my $eval =
…		…
2281	=back	3155	=back
2282		3156
2283	=cut	3157	=cut
2284		3158
2285	#############################################################################	3159	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3160	# the server's init and main functions
2460		3161
2461	sub load_facedata($) {	3162	sub load_facedata($) {
2462	my ($path) = @_;	3163	my ($path) = @_;
		3164
		3165	# HACK to clear player env face cache, we need some signal framework
		3166	# for this (global event?)
		3167	%ext::player_env::MUSIC_FACE_CACHE = ();
		3168
		3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3170
2464	warn "loading facedata from $path\n";	3171	warn "loading facedata from $path\n";
2465		3172
2466	my $facedata;	3173	my $facedata;
2467	0 < aio_load $path, $facedata	3174	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3177	$facedata = Coro::Storable::thaw $facedata;
2471		3178
2472	$facedata->{version} == 2	3179	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3181
		3182	# patch in the exptable
		3183	$facedata->{resource}{"res/exp_table"} = {
		3184	type => FT_RSRC,
		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3186	};
		3187	cf::cede_to_tick;
		3188
2475	{	3189	{
2476	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
2477		3191
2478	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3195	cf::face::set_visibility $idx, $info->{visibility};
		3196	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3199
		3200	cf::cede_to_tick;
2484	}	3201	}
2485		3202
2486	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2488	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2489	or next;	3207	or next;
		3208
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
		3210	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3212	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3214	}
2495	Coro::cede;	3215
		3216	cf::cede_to_tick;
2496	}	3217	}
2497	}	3218	}
2498		3219
2499	{	3220	{
2500	my $anims = $facedata->{animinfo};	3221	my $anims = $facedata->{animinfo};
2501		3222
2502	while (my ($anim, $info) = each %$anims) {	3223	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3225	cf::cede_to_tick;
2505	}	3226	}
2506		3227
2507	cf::anim::invalidate_all; # d'oh	3228	cf::anim::invalidate_all; # d'oh
2508	}	3229	}
2509		3230
		3231	{
		3232	# TODO: for gcfclient pleasure, we should give resources
		3233	# that gcfclient doesn't grok a >10000 face index.
		3234	my $res = $facedata->{resource};
		3235
		3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
		3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
		3240
		3241	if ($info->{type} & 1) {
		3242	# prepend meta info
		3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
		3256	} else {
		3257	$RESOURCE{$name} = $info;
		3258	}
		3259
		3260	cf::cede_to_tick;
		3261	}
		3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3265
2510	1	3266	1
2511	}	3267	}
2512		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
2513	sub reload_regions {	3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
2514	load_resource_file "$MAPDIR/regions"	3312	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3313	or die "unable to load regions file\n";
		3314
		3315	for (cf::region::list) {
		3316	$_->{match} = qr/$_->{match}/
		3317	if exists $_->{match};
		3318	}
2516	}	3319	}
2517		3320
2518	sub reload_facedata {	3321	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3322	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3323	or die "unable to load facedata\n";
…		…
2531	}	3334	}
2532		3335
2533	sub reload_resources {	3336	sub reload_resources {
2534	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
2535		3338
2536	reload_regions;
2537	reload_facedata;	3339	reload_facedata;
2538	reload_archetypes;	3340	reload_archetypes;
		3341	reload_regions;
2539	reload_treasures;	3342	reload_treasures;
2540		3343
2541	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
2542	}	3345	}
2543		3346
2544	sub init {	3347	sub reload_config {
2545	reload_resources;
2546	}
2547
2548	sub cfg_load {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3349	or return;
2551		3350
2552	local $/;	3351	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2554		3353
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556		3355
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2564	};	3363	};
2565	warn $@ if $@;	3364	warn $@ if $@;
2566	}	3365	}
2567	}	3366	}
2568		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2569	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2570	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3405	(async {
2574	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2576	};	3409	};
2577		3410
2578	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
2579	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2580	load_extensions;	3429	load_extensions;
2581		3430
2582	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2583	Event::loop;	3439	EV::loop;
2584	}	3440	}
2585		3441
2586	#############################################################################	3442	#############################################################################
2587	# initialisation and cleanup	3443	# initialisation and cleanup
2588		3444
2589	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2590	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2599	},
2600	);	3451	};
		3452	}
		3453	}
		3454
		3455	sub write_runtime_sync {
		3456	# first touch the runtime file to show we are still running:
		3457	# the fsync below can take a very very long time.
		3458
		3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3460
		3461	my $guard = cf::lock_acquire "write_runtime";
		3462
		3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = $cf::RUNTIME + 90 + 10;
		3467	# 10 is the runtime save interval, for a monotonic clock
		3468	# 60 allows for the watchdog to kill the server.
		3469
		3470	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3471	and return;
		3472
		3473	# always fsync - this file is important
		3474	aio_fsync $fh
		3475	and return;
		3476
		3477	# touch it again to show we are up-to-date
		3478	aio_utime $fh, undef, undef;
		3479
		3480	close $fh
		3481	or return;
		3482
		3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3484	and return;
		3485
		3486	warn "runtime file written.\n";
		3487
2601	}	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2602	}	3539	}
2603		3540
2604	sub emergency_save() {	3541	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2606		3543
2607	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2608		3545
2609	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2610	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2611	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2612	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2614	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3560	$pl->save;
2618	}	3561	}
2619	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2620		3563
2621	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2622	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2623	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2624	$map->valid or next;	3567	$map->valid or next;
2625	$map->save;	3568	$map->save;
2626	}	3569	}
2627	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
2628		3571
2629	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2632	};	3579	};
2633		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2634	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2635	}	3587	}
2636		3588
2637	sub post_cleanup {	3589	sub post_cleanup {
2638	my ($make_core) = @_;	3590	my ($make_core) = @_;
2639		3591
2640	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
2642	}	3623	}
2643		3624
2644	sub do_reload_perl() {	3625	sub do_reload_perl() {
2645	# can/must only be called in main	3626	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2647	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2648	return;	3629	return;
2649	}	3630	}
2650		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2651	warn "reloading...";	3637	warn "reloading...";
2652		3638
2653	warn "entering sync_job";	3639	warn "entering sync_job";
2654		3640
2655	cf::sync_job {	3641	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2657	cf::emergency_save;	3643	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
2659		3645
2660	warn "syncing database to disk";	3646	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3648
2663	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
2664		3650
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2676	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();
2684
2685	warn "removing commands";
2686	%COMMAND = ();
2687
2688	warn "removing ext commands";
2689	%EXTCMD = ();
2690
2691	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";
2694
2695	if (my $cb = $pkg->can ("unload")) {
2696	eval {
2697	$cb->($pkg);
2698	1
2699	} or warn "$pkg unloaded, but with errors: $@";
2700	}	3654	}
2701		3655
2702	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2703	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2704	}	3658	%EXT_CORO = ();
2705		3659
2706	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2707	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2710	warn "... unloading $k";	3669	warn "... unloading $pkg";
2711	delete $INC{$k};
2712		3670
2713	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;
2715
2716	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2717	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2718	}	3680	}
2719		3681
2720	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
2721	}	3697	}
2722		3698
2723	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		3702
2727	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730		3706
2731	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2732	# and global variables created in xs	3708	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2734		3710
2735	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2736		3712
2737	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2738	require cf;	3714	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3716
2741	warn "loading config and database again";	3717	warn "loading config and database again";
2742	cf::cfg_load;	3718	cf::reload_config;
2743		3719
2744	warn "loading extensions";	3720	warn "loading extensions";
2745	cf::load_extensions;	3721	cf::load_extensions;
2746		3722
		3723	if ($REATTACH_ON_RELOAD) {
2747	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2750	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
2753		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
2754	warn "leaving sync_job";	3735	warn "leaving sync_job";
2755		3736
2756	1	3737	1
2757	} or do {	3738	} or do {
2758	warn $@;	3739	warn $@;
2759	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
2760	exit 1;
2761	};	3741	};
2762		3742
2763	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
2764	};	3749	};
2765		3750
2766	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
2767		3752
2768	sub reload_perl() {	3753	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
2771		3756
2772	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
2773	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
2774	after => 0,	3759
2775	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2776	cb => sub {
2777	do_reload_perl;	3761	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
2779	},	3763	};
2780	);	3764	};
2781	}	3765	}
2782		3766
2783	register_command "reload" => sub {	3767	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2785		3769
2786	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
		3772	async {
		3773	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3774	reload_perl;
		3775	};
2789	}	3776	}
2790	};	3777	};
2791		3778
2792	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2793		3780
…		…
2795		3782
2796	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
2798		3785
2799	sub wait_for_tick {	3786	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2802		3788
2803	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	3791	$signal->wait;
2806	}	3792	}
2807		3793
2808	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2811		3796
2812	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3799	$signal->wait;
2815	}	3800	}
2816		3801
2817	$TICK_WATCHER = Event->timer (	3802	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2827	return;	3806	return;
2828	}	3807	}
2829		3808
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2833		3810
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	3813	Coro::async_pool {
		3814	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3815	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3817	};
		3818	}
2844		3819
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3821	$sig->send;
2856	}	3822	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3824	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	3825	}
2863	);	3826
		3827	$LOAD = ($NOW - $TICK_START) / $TICK;
		3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3829
		3830	if (0) {
		3831	if ($NEXT_TICK) {
		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
		3836	}
		3837	}
2864		3838
2865	{	3839	{
2866	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	3841
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
2876		3843	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		3845
2892	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		3853
2895	cf::sync_job {	3854	cf::sync_job {
2896	eval {	3855	eval {
2897	BDB::db_env_open	3856	BDB::db_env_open
2898	$DB_ENV,	3857	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3861	0666;
2903		3862
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3864	};
2909		3865
2910	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3867	};
2912	}	3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
2913	}	3879	}
2914		3880
2915	{	3881	{
		3882	# configure IO::AIO
		3883
2916	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	3887	}
2922	data => WF_AUTOCANCEL,	3888
2923	fd => IO::AIO::poll_fileno,	3889	my $_log_backtrace;
2924	poll => 'r',	3890
2925	prio => 6,	3891	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	3892	my ($msg, @addr) = @_;
2927	);	3893
		3894	$msg =~ s/\n//;
		3895
		3896	# limit the # of concurrent backtraces
		3897	if ($_log_backtrace < 2) {
		3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
		3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
		3903	my @bt = fork_call {
		3904	@addr = map { sprintf "%x", $_ } @addr;
		3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3907	or die "addr2line: $!";
		3908
		3909	my @funcs;
		3910	my @res = <$fh>;
		3911	chomp for @res;
		3912	while (@res) {
		3913	my ($func, $line) = splice @res, 0, 2, ();
		3914	push @funcs, "[$func] $line";
		3915	}
		3916
		3917	@funcs
		3918	};
		3919
		3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3922	LOG llevInfo, "[ABT] $_\n" for @bt;
		3923	--$_log_backtrace;
		3924	};
		3925	} else {
		3926	LOG llevInfo, "[ABT] $msg\n";
		3927	LOG llevInfo, "[ABT] [suppressed]\n";
		3928	}
2928	}	3929	}
2929		3930
2930	# load additional modules	3931	# load additional modules
2931	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
2932		3933
2933	END { cf::emergency_save }	3934	END { cf::emergency_save }
2934		3935
2935	1	3936	1
2936		3937

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