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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 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	warn "starting to write runtime...\n";#d#	546	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		547
380	my $value = $cf::RUNTIME + 90 + 10;	548	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	549	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		550
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	# we seemingly have to make a local copy of the whole thing,
385	and return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
386		554
387	# always fsync - this file is important	555	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	556	reset_signals;
389	and return;	557	&$cb
		558	}, @args;
390		559
391	close $fh	560	wantarray ? @res : $res[-1]
392	or return;	561	}
393		562
394	aio_rename "$runtime~", $runtime	563	=item $coin = coin_from_name $name
395	and return;
396		564
397	warn "... done writing runtime.\n";#d#	565	=cut
398		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		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($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
399	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		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"
400	}	715	}
401		716
402	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
403		718
404	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.
…		…
416		731
417	#############################################################################	732	#############################################################################
418		733
419	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
420		735
421	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
422	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")
423	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
424		739
425	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>
426	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
427	crossfire+).	742	Deliantra).
428		743
429	=over 4	744	=over 4
430		745
431	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
432		747
…		…
476	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
477		792
478	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
480		795
481	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
482	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.
483		798
484	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
485		800
486	=over 4	801	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
596		911
597	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		916
602	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	918	my $pkg = shift @arg;
604		919
605	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
635	}	950	}
636		951
637	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
638	} else {	953	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	955	}
641		956
642	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
643	}	958	}
644		959
…		…
646	if (ref $_[0]) {	961	if (ref $_[0]) {
647	_object_attach @_;	962	_object_attach @_;
648	} else {	963	} else {
649	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
650	}	965	}
		966	_recalc_want;
651	};	967	};
652		968
653	# all those should be optimised	969	# all those should be optimised
654	sub cf::attachable::detach {	970	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
659	reattach ($obj);	975	reattach ($obj);
660	} else {	976	} else {
661	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
662	}	978	}
		979	_recalc_want;
663	};	980	};
664		981
665	sub cf::attachable::attached {	982	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
667		984
…		…
682	";	999	";
683	die if $@;	1000	die if $@;
684	}	1001	}
685		1002
686	our $override;	1003	our $override;
687	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?
688		1005
689	sub override {	1006	sub override {
690	$override = 1;	1007	$override = 1;
691	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
692	}	1009	}
693		1010
694	sub do_invoke {	1011	sub do_invoke {
695	my $event = shift;	1012	my $event = shift;
696	my $callbacks = shift;	1013	my $callbacks = shift;
697		1014
698	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
699		1016
700	local $override;	1017	local $override;
701		1018
702	for (@$callbacks) {	1019	for (@$callbacks) {
703	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
712	}	1029	}
713		1030
714	0	1031	0
715	}	1032	}
716		1033
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1035
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1037
721	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
722		1039
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1043
727	=back	1044	=back
728		1045
729	=cut	1046	=cut
730		1047
731	#############################################################################	1048	#############################################################################
732	# 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, $ob2
		1091	}
733		1092
734	sub reattach {	1093	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1095	my ($obj) = @_;
737		1096
		1097	# no longer needed after getting rid of delete_package?
738	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
739		1099
740	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
741		1101
742	@$registry = ();	1102	@$registry = ();
743		1103
…		…
758	cf::attachable->attach (	1118	cf::attachable->attach (
759	prio => -1000000,	1119	prio => -1000000,
760	on_instantiate => sub {	1120	on_instantiate => sub {
761	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
762		1122
763	$data = from_json $data;	1123	$data = decode_json $data;
764		1124
765	for (@$data) {	1125	for (@$data) {
766	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
767		1127
768	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1144	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
786		1146
787	sync_job {	1147	sync_job {
788	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
791		1152
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1157	aio_close $fh;
797		1158
798	if (@$objs) {	1159	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1165	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
806	}	1167	}
807	} else {	1168	} else {
808	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
809	}	1170	}
810		1171
811	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1176	} else {
813	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
814	}	1178	}
815	} else {	1179	} else {
816	aio_unlink $filename;	1180	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
818	}	1182	}
819	}	1183	};
820	}	1184	}
821		1185
822	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
824		1188
…		…
836	or return;	1200	or return;
837		1201
838	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
840	or return;	1204	or return;
		1205
841	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
842	}	1208	}
843		1209
		1210	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
846	return ($data, $av);	1214	($data, $av)
847	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
848		1222
849	#############################################################################	1223	#############################################################################
850	# command handling &c	1224	# command handling &c
851		1225
852	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1240	}
867		1241
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1243
870	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.
871		1249
872	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
873	called.	1251	called.
874		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
875	=cut	1264	=cut
876		1265
877	sub register_extcmd {	1266	sub register_extcmd {
878	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
879		1268
880	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
881	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
882		1279
883	cf::player->attach (	1280	cf::player->attach (
884	on_command => sub {	1281	on_command => sub {
885	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
886		1283
…		…
894	cf::override;	1291	cf::override;
895	},	1292	},
896	on_extcmd => sub {	1293	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
898		1295
899	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1297
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
907	} else {	1313	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1315	}
910		1316
911	cf::override;	1317	cf::override;
912	},	1318	},
913	);	1319	);
914		1320
		1321	# "readahead" all extensions
915	sub load_extension {	1322	sub cache_extensions {
916	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
917		1324
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
919	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1328	}
943	die $@;
944	}	1329	};
945		1330
946	push @EXTS, $pkg;	1331	$grp
947	}	1332	}
948		1333
949	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
950	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1339	next unless -r $path;
952	eval {	1340
953	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	$progress = 1;
954	1	1397	}
955	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
956	}	1403	};
957	}	1404	}
958		1405
959	#############################################################################	1406	#############################################################################
960		1407
		1408	=back
		1409
961	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
962		1411
963	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
964		1413
965	=cut	1414	=cut
966		1415
967	package cf::player;	1416	package cf::player;
968		1417
969	use Coro::AIO;	1418	use Coro::AIO;
970		1419
971	=head3 cf::player	1420	=head3 cf::player
972		1421
973	=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	}
974		1437
975	=item cf::player::find $login	1438	=item cf::player::find $login
976		1439
977	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
978		1441
…		…
997		1460
998	sub exists($) {	1461	sub exists($) {
999	my ($login) = @_;	1462	my ($login) = @_;
1000		1463
1001	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1003	}	1466	}
1004		1467
1005	sub find($) {	1468	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1470	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1481
1019	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1022	}	1491	}
1023	}	1492	}
1024	}	1493	}
1025		1494
…		…
1034	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1035		1504
1036	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1038		1507
		1508	cf::get_slot 0.01;
		1509
1039	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1040	Coro::cede;	1511	cf::cede_to_tick;
1041	}	1512	}
1042		1513
1043	sub new($) {	1514	sub new($) {
1044	my ($login) = @_;	1515	my ($login) = @_;
1045		1516
…		…
1051	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1052		1523
1053	$self	1524	$self
1054	}	1525	}
1055		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
1056	=item $pl->quit_character	1537	=item $pl->quit_character
1057		1538
1058	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1060		1541
…		…
1064	my ($pl) = @_;	1545	my ($pl) = @_;
1065		1546
1066	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1067		1548
1068	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1069	$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
1070		1551
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1075		1558
1076	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1596	or return [];
1114		1597
1115	my @logins;	1598	my @logins;
1116		1599
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1121		1610
1122	utf8::decode $login;	1611	utf8::decode $login;
1123	push @logins, $login;	1612	push @logins, $login;
1124	}	1613	}
1125		1614
…		…
1152	}	1641	}
1153		1642
1154	\@paths	1643	\@paths
1155	}	1644	}
1156		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1157	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1158		1651
1159	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1160		1653
1161	=cut	1654	=cut
1162		1655
1163	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1165		1658
1166	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1660	}
1170		1661
1171	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1172		1663
1173	Sends an ext event to the client.	1664	Sends an ext event to the client.
1174		1665
1175	=cut	1666	=cut
1176		1667
1177	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1179		1670
1180	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1181	}	1672	}
1182		1673
1183	=head3 cf::region	1674	=head3 cf::region
1184		1675
1185	=over 4	1676	=over 4
…		…
1188		1679
1189	package cf::region;	1680	package cf::region;
1190		1681
1191	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1192		1683
1193	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1194		1685
1195	=cut	1686	=cut
1196		1687
1197	sub find_by_path($) {	1688	sub find_by_path($) {
1198	my ($path) = @_;	1689	my ($path) = @_;
1199		1690
1200	my ($match, $specificity);	1691	my ($match, $specificity);
1201		1692
1202	for my $region (list) {	1693	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1206	}	1697	}
1207	}	1698	}
1208		1699
…		…
1229	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1231		1722
1232	sub generate_random_map {	1723	sub generate_random_map {
1233	my ($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
1234	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1729	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1273		1767
1274	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1275	local $self->{path};	1769	local $self->{path};
1276	local $self->{load_path};	1770	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1771
1280	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1281	}	1773	}
1282		1774
1283	sub normalise {	1775	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1331	return $self;	1823	return $self;
1332	}	1824	}
1333	}	1825	}
1334		1826
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1828	()
1337	}	1829	}
1338		1830
1339	sub init {	1831	sub init {
1340	my ($self) = @_;	1832	my ($self) = @_;
…		…
1362		1854
1363	# the temporary/swap location	1855	# the temporary/swap location
1364	sub save_path {	1856	sub save_path {
1365	my ($self) = @_;	1857	my ($self) = @_;
1366		1858
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1369	}	1861	}
1370		1862
1371	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1372	sub uniq_path {	1864	sub uniq_path {
1373	my ($self) = @_;	1865	my ($self) = @_;
1374		1866
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1377	}	1869	}
1378		1870
1379	# and all this just because we cannot iterate over	1871	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1872	my ($self) = @_;
1383		1873
1384	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1386	}	1877	}
1387		1878
1388	sub unlink_save {	1879	sub unlink_save {
1389	my ($self) = @_;	1880	my ($self) = @_;
1390		1881
…		…
1395		1886
1396	sub load_header_from($) {	1887	sub load_header_from($) {
1397	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1398		1889
1399	utf8::encode $path;	1890	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	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;
1405		1899
1406	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1407		1901
1408	1	1902	1
1409	}	1903	}
…		…
1448	$self->load_header_orig	1942	$self->load_header_orig
1449	or return;	1943	or return;
1450	$self->prepare_orig;	1944	$self->prepare_orig;
1451	}	1945	}
1452		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1453	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1951	unless $self->default_region;
1455		1952
1456	1	1953	1
1457	}	1954	}
…		…
1460	sub find {	1957	sub find {
1461	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1462		1959
1463	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1464		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1466		1964
1467	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1470	or return;	1967	or return;
1471		1968
1472	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1473		1970
1474	$map->load_header	1971	$map->load_header
1475	or return;	1972	or return;
1476		1973
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1480	$map->reset;	1979	$map->reset;
1481	undef $guard;
1482	return find $path;	1980	return find $path;
1483	}	1981	}
1484		1982
1485	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1486	}	1984	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1496		1994
1497	my $path = $self->{path};	1995	my $path = $self->{path};
1498		1996
1499	{	1997	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1501		1999
		2000	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2002
1504	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1505		2004
1506	$self->alloc;	2005	$self->alloc;
1507		2006
1508	$self->pre_load;	2007	$self->pre_load;
1509	Coro::cede;	2008	cf::cede_to_tick;
1510		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1512	or return;	2013	or return;
1513		2014
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1515	if delete $self->{load_original};	2016	if delete $self->{load_original};
1516		2017
1517	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2019	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2022	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1522	}	2026	}
1523	}	2027	}
1524		2028
1525	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1526	# now do the right thing for maps	2032	# now do the right thing for maps
1527	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2035	unless $self->difficulty;
1530	Coro::cede;	2036	cf::cede_to_tick;
1531		2037
1532	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2039	$self->decay_objects;
1534	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1535	$self->update_buttons;	2041	$self->update_buttons;
1536	Coro::cede;	2042	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2043	$self->activate;
1540	}	2044	}
1541		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2050	}
1544		2051
1545	$self->post_load;	2052	$self->post_load;
1546	}	2053	}
1547		2054
…		…
1549	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1550		2057
1551	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2059	if $self->per_player;
1553		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1554	$self	2064	$self
1555	}	2065	}
1556		2066
1557	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2068	sub load_neighbours {
1559	my ($map) = @_;	2069	my ($map) = @_;
1560		2070
1561	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1562		2072
1563	for (0 .. 3) {	2073	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1565	or next;	2075	or next;
1566	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1567	or next;	2077	or next;
1568	$neigh->load;	2078	$neigh->load;
1569		2079
		2080	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2083	}
1573		2084
1574	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1576	or next;	2088	or next;
1577	$neigh->load;	2089	$neigh->load;
1578	}	2090	}
1579	}	2091	}
1580		2092
…		…
1585	}	2097	}
1586		2098
1587	sub do_load_sync {	2099	sub do_load_sync {
1588	my ($map) = @_;	2100	my ($map) = @_;
1589		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1590	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1591	}	2106	}
1592		2107
1593	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1595		2110
1596	sub find_async {	2111	sub find_async {
1597	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1598		2113
1599	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1600		2115
1601	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2118	}
1604		2119
1605	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1606	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1607	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2127	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2128	$map->load if $v;
		2129	}
1612		2130
1613	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1614	}	2132	}
1615	}	2133	}
1616	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1617	};	2135	};
1618	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2139	}
1622		2140
1623	sub save {	2141	sub save {
1624	my ($self) = @_;	2142	my ($self) = @_;
1625		2143
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2145
1628	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1629		2147
1630	return unless $self->dirty;	2148	return unless $self->dirty;
1631		2149
…		…
1637	return if $self->{deny_save};	2155	return if $self->{deny_save};
1638		2156
1639	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1640		2158
1641	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1643	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1644		2165
1645	if ($uniq) {	2166	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2169	} else {
…		…
1654	my ($self) = @_;	2175	my ($self) = @_;
1655		2176
1656	# save first because save cedes	2177	# save first because save cedes
1657	$self->save;	2178	$self->save;
1658		2179
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2181
1661	return if $self->players;	2182	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1663	return if $self->{deny_save};	2184	return if $self->{deny_save};
1664		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2190	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2191	}
1668		2192
1669	sub reset_at {	2193	sub reset_at {
1670	my ($self) = @_;	2194	my ($self) = @_;
1671		2195
1672	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1675		2198
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2201
…		…
1689	my ($self) = @_;	2212	my ($self) = @_;
1690		2213
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2215
1693	return if $self->players;	2216	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2217
1696	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1697		2219
1698	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1699		2221
1700	# need to save uniques path	2222	# need to save uniques path
1701	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2227	if $uniq;
1706	}	2228	}
1707		2229
1708	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1709		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2234	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2235
1714	$self->unlink_save;	2236	$self->unlink_save;
1715	$self->destroy;	2237	$self->destroy;
1716	}	2238	}
1717		2239
1718	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1719		2241
1720	sub nuke {	2242	sub nuke {
1721	my ($self) = @_;	2243	my ($self) = @_;
1722		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1723	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1724		2249
1725	$self->unlink_save;	2250	$self->unlink_save;
1726		2251
1727	bless $self, "cf::map";	2252	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2257
1733	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1734		2260
1735	$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	]
1736	}	2298	}
1737		2299
1738	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1739		2301
1740	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2303	instantiated unique items. May block.
1742		2304
1743	=cut	2305	=cut
1744		2306
1745	sub unique_maps() {	2307	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2308	[
1747	or return;	2309	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2310	utf8::decode $_;
1753	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2313	? ()
1756	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2316	]
1758
1759	\@paths
1760	}	2317	}
1761
1762	package cf;
1763		2318
1764	=back	2319	=back
1765		2320
1766	=head3 cf::object	2321	=head3 cf::object
1767		2322
…		…
1771		2326
1772	=over 4	2327	=over 4
1773		2328
1774	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1775		2330
1776	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.
1777		2333
1778	=cut	2334	=cut
1779		2335
1780	sub inv_recursive_;	2336	sub inv_recursive_;
1781	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1784		2340
1785	sub inv_recursive {	2341	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1787	}	2343	}
1788		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
1789	package cf;	2373	package cf;
1790		2374
1791	=back	2375	=back
1792		2376
1793	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1799	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>
1800	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
1801	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1802		2386
1803	=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	};
1804		2402
1805	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2404	# with dialog boxes.
1807	#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
1808	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1810		2408
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2410
1813	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1818	}	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 (@_);
1819	}	2436	}
1820		2437
1821	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1822		2439
1823	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1836		2453
1837	=item $player_object->enter_link	2454	=item $player_object->enter_link
1838		2455
1839	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}>).
1840		2457
1841	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.
1842	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.
1843		2462
1844	Will never block.	2463	Will never block.
1845		2464
1846	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1847		2466
…		…
1870	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1871		2490
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2492
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1876		2495
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2497	}
1879		2498
1880	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1882		2503
1883	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1884		2505
1885	unless ($map) {	2506	unless ($map) {
1886	# restore original map position	2507	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1903		2524
1904	$map->load;	2525	$map->load;
1905	$map->load_diag;	2526	$map->load_neighbours;
1906		2527
1907	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1908	$self->activate_recursive;	2530	$self->activate_recursive;
1909		2531
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1912	}	2534	}
1913		2535
1914	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2537
1918	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1922	};	2542	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2543
1928	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1929	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2546
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1949		2550
1950	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1951	my ($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;
1952		2556
1953	$self->enter_link;	2557	$self->enter_link;
1954		2558
1955	(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
1956	my $map = eval {	2581	my $map = eval {
1957	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1958	$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
1959	$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 $@;
1960	} or	2597	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1964	})->prio (1);	2605	})->prio (1);
1965	}	2606	}
1966		2607
1967	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
1968		2609
…		…
1988	}	2629	}
1989		2630
1990	sub prepare_random_map {	2631	sub prepare_random_map {
1991	my ($exit) = @_;	2632	my ($exit) = @_;
1992		2633
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2636	# that depends on the exit object
1998		2637
1999	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2640	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2006	}	2647	}
2007		2648
2008	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2009		2650
2010	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2013		2654
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2657	undef $fh;
2017	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2018		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2021	}	2666	}
2022	}	2667	}
2023		2668
2024	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2026		2671
2027	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2028		2673
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2674	$self->enter_link;
2041		2675
2042	(async {	2676	(async {
2043	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2044	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
2045	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2046		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
2047	1;	2700	1
2048	}) {	2701	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "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. "
2051	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2706
2054	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2073		2726
2074	utf8::encode $text;	2727	utf8::encode $text;
2075	$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);
2076	}	2729	}
2077		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
2078	=item $client->ext_event ($type, %msg)	2879	=item $client->ext_msg ($type, @msg)
2079		2880
2080	Sends an exti event to the client.	2881	Sends an ext event to the client.
2081		2882
2082	=cut	2883	=cut
2083		2884
2084	sub cf::client::ext_event($$%) {	2885	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2886	my ($self, $type, @msg) = @_;
2086		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2891	push @msg, msgtype => "event_$type";
2088	$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	}
2089	}	2912	}
2090		2913
2091	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
2092		2915
2093	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
2094	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>,
2095	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>.
2096		2919
2097	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
2098	reliable at some point in the future.	2921	become reliable at some point in the future.
2099		2922
2100	=cut	2923	=cut
2101		2924
2102	sub cf::client::query {	2925	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2934	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2936
2114	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
2116	}	2941	}
2117		2942
2118	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	},
2119	on_reply => sub {	2949	on_reply => sub {
2120	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
2121		2951
2122	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
2123	# get handled first	2953	# get handled first
…		…
2135	} else {	2965	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2967	}
2138	}	2968	}
2139	},	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	},
2140	);	2996	);
2141		2997
2142	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2143		2999
2144	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2187		3043
2188	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2189		3045
2190	$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	));
2191		3051
2192	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2193		3053
2194	=pod	3054	=pod
2195		3055
2196	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2197		3057
2198	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
2199	cf::object::player player	3063	cf::object::player
2200	cf::player peaceful	3064	player
2201	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2202		3071
2203	=cut	3072	=cut
2204		3073
2205	for (	3074	for (
2206	["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)],
2207	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2210	) {	3081	) {
2211	no strict 'refs';	3082	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2230	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2231		3102
2232	my $qcode = $code;	3103	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2235		3108
2236	local $_;	3109	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2238		3111
2239	my $eval =	3112	my $eval =
…		…
2282	=back	3155	=back
2283		3156
2284	=cut	3157	=cut
2285		3158
2286	#############################################################################	3159	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3160	# the server's init and main functions
2462		3161
2463	sub load_facedata($) {	3162	sub load_facedata($) {
2464	my ($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;
2465		3170
2466	warn "loading facedata from $path\n";	3171	warn "loading facedata from $path\n";
2467		3172
2468	my $facedata;	3173	my $facedata;
2469	0 < aio_load $path, $facedata	3174	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3177	$facedata = Coro::Storable::thaw $facedata;
2473		3178
2474	$facedata->{version} == 2	3179	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		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
2477	{	3189	{
2478	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
2479		3191
2480	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3195	cf::face::set_visibility $idx, $info->{visibility};
		3196	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3199
		3200	cf::cede_to_tick;
2486	}	3201	}
2487		3202
2488	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2490	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2491	or next;	3207	or next;
		3208
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
		3210	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3212	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3214	}
2497	Coro::cede;	3215
		3216	cf::cede_to_tick;
2498	}	3217	}
2499	}	3218	}
2500		3219
2501	{	3220	{
2502	my $anims = $facedata->{animinfo};	3221	my $anims = $facedata->{animinfo};
2503		3222
2504	while (my ($anim, $info) = each %$anims) {	3223	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3225	cf::cede_to_tick;
2507	}	3226	}
2508		3227
2509	cf::anim::invalidate_all; # d'oh	3228	cf::anim::invalidate_all; # d'oh
2510	}	3229	}
2511		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
2512	1	3266	1
2513	}	3267	}
2514		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	$status
		3305	}
		3306
2515	sub reload_regions {	3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
2516	load_resource_file "$MAPDIR/regions"	3312	load_resource_file "$MAPDIR/regions"
2517	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 $_->{match};
		3318	}
2518	}	3319	}
2519		3320
2520	sub reload_facedata {	3321	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3322	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3323	or die "unable to load facedata\n";
…		…
2533	}	3334	}
2534		3335
2535	sub reload_resources {	3336	sub reload_resources {
2536	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
2537		3338
2538	reload_regions;
2539	reload_facedata;	3339	reload_facedata;
2540	reload_archetypes;	3340	reload_archetypes;
		3341	reload_regions;
2541	reload_treasures;	3342	reload_treasures;
2542		3343
2543	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
2544	}	3345	}
2545		3346
2546	sub init {	3347	sub reload_config {
2547	reload_resources;
2548	}
2549
2550	sub cfg_load {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3349	or return;
2553		3350
2554	local $/;	3351	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2556		3353
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3355
2559	$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};
2560	$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};
…		…
2566	};	3363	};
2567	warn $@ if $@;	3364	warn $@ if $@;
2568	}	3365	}
2569	}	3366	}
2570		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
2571	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
2572	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2574	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#
2575	(async {	3405	(async {
2576	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2578	};	3409	};
2579		3410
2580	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
2581	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
2582	load_extensions;	3429	load_extensions;
2583		3430
2584	$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
2585	Event::loop;	3439	EV::loop;
2586	}	3440	}
2587		3441
2588	#############################################################################	3442	#############################################################################
2589	# initialisation and cleanup	3443	# initialisation and cleanup
2590		3444
2591	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2592	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2601	},
2602	);	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
2603	}	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 };
2604	}	3539	}
2605		3540
2606	sub emergency_save() {	3541	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2608		3543
2609	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2610		3545
2611	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
2612	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3560	$pl->save;
2620	}	3561	}
2621	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2622		3563
2623	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3567	$map->valid or next;
2627	$map->save;	3568	$map->save;
2628	}	3569	}
2629	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
2630		3571
2631	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2634	};	3579	};
2635		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2636	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2637	}	3587	}
2638		3588
2639	sub post_cleanup {	3589	sub post_cleanup {
2640	my ($make_core) = @_;	3590	my ($make_core) = @_;
2641		3591
2642	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2643	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#
2644	}	3623	}
2645		3624
2646	sub do_reload_perl() {	3625	sub do_reload_perl() {
2647	# can/must only be called in main	3626	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2649	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2650	return;	3629	return;
2651	}	3630	}
2652		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2653	warn "reloading...";	3637	warn "reloading...";
2654		3638
2655	warn "entering sync_job";	3639	warn "entering sync_job";
2656		3640
2657	cf::sync_job {	3641	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3643	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
2661		3645
2662	warn "syncing database to disk";	3646	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3648
2665	# 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
2666		3650
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2678	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();
2686
2687	warn "removing commands";
2688	%COMMAND = ();
2689
2690	warn "removing ext commands";
2691	%EXTCMD = ();
2692
2693	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";
2696
2697	if (my $cb = $pkg->can ("unload")) {
2698	eval {
2699	$cb->($pkg);
2700	1
2701	} or warn "$pkg unloaded, but with errors: $@";
2702	}	3654	}
2703		3655
2704	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2705	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2706	}	3658	%EXT_CORO = ();
2707		3659
2708	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2709	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2712	warn "... unloading $k";	3669	warn "... unloading $pkg";
2713	delete $INC{$k};
2714		3670
2715	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;
2717
2718	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2719	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2720	}	3680	}
2721		3681
2722	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;
2723	}	3697	}
2724		3698
2725	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2727	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);
2728		3702
2729	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		3706
2733	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3708	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2736		3710
2737	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2738		3712
2739	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2740	require cf;	3714	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3716
2743	warn "loading config and database again";	3717	warn "loading config and database again";
2744	cf::cfg_load;	3718	cf::reload_config;
2745		3719
2746	warn "loading extensions";	3720	warn "loading extensions";
2747	cf::load_extensions;	3721	cf::load_extensions;
2748		3722
		3723	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
2755		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
2756	warn "leaving sync_job";	3735	warn "leaving sync_job";
2757		3736
2758	1	3737	1
2759	} or do {	3738	} or do {
2760	warn $@;	3739	warn $@;
2761	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3741	};
2764		3742
2765	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
2766	};	3749	};
2767		3750
2768	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
2769		3752
2770	sub reload_perl() {	3753	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
2773		3756
2774	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	3759
2777	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	3761	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
2781	},	3763	};
2782	);	3764	};
2783	}	3765	}
2784		3766
2785	register_command "reload" => sub {	3767	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2787		3769
2788	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
		3772	async {
		3773	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3774	reload_perl;
		3775	};
2791	}	3776	}
2792	};	3777	};
2793		3778
2794	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2795		3780
…		…
2797		3782
2798	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
2800		3785
2801	sub wait_for_tick {	3786	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2804		3788
2805	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3791	$signal->wait;
2808	}	3792	}
2809		3793
2810	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2813		3796
2814	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3799	$signal->wait;
2817	}	3800	}
2818		3801
2819	$TICK_WATCHER = Event->timer (	3802	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2827	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"
2828	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2829	return;	3806	return;
2830	}	3807	}
2831		3808
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2835		3810
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3813	Coro::async_pool {
		3814	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3815	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3817	};
		3818	}
2846		3819
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3821	$sig->send;
2858	}	3822	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3824	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3825	}
2865	);	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	}
2866		3838
2867	{	3839	{
2868	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3841
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
2878		3843	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		3845
2894	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
2895	$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);
2896		3853
2897	cf::sync_job {	3854	cf::sync_job {
2898	eval {	3855	eval {
2899	BDB::db_env_open	3856	BDB::db_env_open
2900	$DB_ENV,	3857	$DB_ENV,
…		…
2902	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
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3861	0666;
2905		3862
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3864	};
2911		3865
2912	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3867	};
2914	}	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	};
2915	}	3879	}
2916		3880
2917	{	3881	{
		3882	# configure IO::AIO
		3883
2918	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	3887	}
2931		3888
2932	my $_log_backtrace;	3889	my $_log_backtrace;
2933		3890
2934	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
2938		3895
2939	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
2942	async {	3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
2943	my @bt = fork_call {	3903	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3907	or die "addr2line: $!";
…		…
2955	}	3915	}
2956		3916
2957	@funcs	3917	@funcs
2958	};	3918	};
2959		3919
2960	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	3923	--$_log_backtrace;
2963	};	3924	};
2964	} else {	3925	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
2967	}	3928	}
2968	}	3929	}
2969		3930
2970	# load additional modules	3931	# load additional modules
2971	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
2972		3933
2973	END { cf::emergency_save }	3934	END { cf::emergency_save }
2974		3935
2975	1	3936	1
2976		3937

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