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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.261 by root, Fri Apr 27 20:09:48 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 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 "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;
82		116
83	our %CFG;	117	our %CFG;
84		118
85	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
87		122
88	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
91		126
92	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
95	binmode STDOUT;	139	binmode STDOUT;
96	binmode STDERR;	140	binmode STDERR;
97		141
98	# read virtual server time, if available	142	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
103	}	147	}
104		148
105	mkdir $_	149	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		183
140	=item $cf::TICK	184	=item $cf::TICK
141		185
142	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
143		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
144	=item %cf::CFG	198	=item %cf::CFG
145		199
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	201	from wherever your confdir points to.
148		202
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		204
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	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	206	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.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
155	=back	215	=back
156		216
157	=cut	217	=cut
158		218
159	BEGIN {	219	BEGIN {
…		…
163	$msg .= "\n"	223	$msg .= "\n"
164	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
165		225
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		227
168	utf8::encode $msg;
169	LOG llevError, $msg;	228	LOG llevError, $msg;
170	};	229	};
171	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
172		246
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		254
180	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	256	# within the Safe compartment.
182	for my $pkg (qw(	257	for my $pkg (qw(
183	cf::global cf::attachable	258	cf::global cf::attachable
184	cf::object cf::object::player	259	cf::object cf::object::player
185	cf::client cf::player	260	cf::client cf::player
186	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
187	cf::map cf::party cf::region	263	cf::party cf::region
188	)) {	264	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	266	}
192		267
193	$Event::DIED = sub {	268	$EV::DIED = sub {
194	warn "error in event callback: @_";	269	warn "error in event callback: @_";
195	};	270	};
		271
		272	#############################################################################
196		273
197	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
198		275
199	=over 4	276	=over 4
200		277
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	297	$d
221	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
222	}	299	}
223		300
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
227		302
228	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
229		304
230	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
231		306
232	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
233		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
234	=item cf::lock_wait $string	330	=item cf::lock_wait $string
235		331
236	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
237		333
238	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
239		335
240	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
243	returned.	339	returned.
244		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
245	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
247		346
248	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
249		348
250	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
251		350
252	=cut	351	=cut
253		352
254	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
255		354
256	sub lock_wait($) {	355	sub lock_wait($) {
257	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	357	}
265		358
266	sub lock_acquire($) {	359	sub lock_acquire($) {
267	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
279		362
280	sub lock_active($) {	363	sub lock_active($) {
281	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	365	}
285		366
286	sub freeze_mainloop {	367	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
288		369
289	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
291	};	431	}
292	$TICK_WATCHER->stop;	432	};
293	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
294	}	446	}
295		447
296	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
297		449
298	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		455
304	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
305		457
306	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
307		459
308	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
311		464
312	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
315	fast or be very important.	468	fast or be very important.
…		…
318		471
319	sub sync_job(&) {	472	sub sync_job(&) {
320	my ($job) = @_;	473	my ($job) = @_;
321		474
322	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
323	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
325		480
326	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	482
328	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
329		484
330	my $busy = 1;	485	my $busy = 1;
331	my @res;	486	my @res;
332		487
333	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	490	@res = eval { $job->() };
335	warn $@ if $@;	491	warn $@ if $@;
336	undef $busy;	492	undef $busy;
337	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
338		494
339	while ($busy) {	495	while ($busy) {
340	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
341	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
342		506
343	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
344	} else {	508	} else {
345	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
346		510
…		…
366	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
367		531
368	$coro	532	$coro
369	}	533	}
370		534
371	sub write_runtime {	535	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		536
374	my $runtime = "$LOCALDIR/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
375		541
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
377	or return;
378		543
379	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		546
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
384	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
385		550
386	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	552	reset_signals;
388	and return;	553	&$cb
		554	}, @args;
389		555
390	close $fh	556	wantarray ? @res : $res[-1]
391	or return;	557	}
392		558
393	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
394	and return;
395		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
396	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
397	}	711	}
398		712
399	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
400		714
401	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		727
414	#############################################################################	728	#############################################################################
415		729
416	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
417		731
418	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
421		735
422	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	738	Deliantra).
425		739
426	=over 4	740	=over 4
427		741
428	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
429		743
…		…
473	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
474		788
475	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
477		791
478	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
480		794
481	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
482		796
483	=over 4	797	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
593		907
594	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		912
599	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	914	my $pkg = shift @arg;
601		915
602	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
632	}	946	}
633		947
634	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
635	} else {	949	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	951	}
638		952
639	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
640	}	954	}
641		955
…		…
643	if (ref $_[0]) {	957	if (ref $_[0]) {
644	_object_attach @_;	958	_object_attach @_;
645	} else {	959	} else {
646	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
647	}	961	}
		962	_recalc_want;
648	};	963	};
649		964
650	# all those should be optimised	965	# all those should be optimised
651	sub cf::attachable::detach {	966	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
656	reattach ($obj);	971	reattach ($obj);
657	} else {	972	} else {
658	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
659	}	974	}
		975	_recalc_want;
660	};	976	};
661		977
662	sub cf::attachable::attached {	978	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
664		980
…		…
679	";	995	";
680	die if $@;	996	die if $@;
681	}	997	}
682		998
683	our $override;	999	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1001
686	sub override {	1002	sub override {
687	$override = 1;	1003	$override = 1;
688	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
689	}	1005	}
690		1006
691	sub do_invoke {	1007	sub do_invoke {
692	my $event = shift;	1008	my $event = shift;
693	my $callbacks = shift;	1009	my $callbacks = shift;
694		1010
695	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
696		1012
697	local $override;	1013	local $override;
698		1014
699	for (@$callbacks) {	1015	for (@$callbacks) {
700	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
709	}	1025	}
710		1026
711	0	1027	0
712	}	1028	}
713		1029
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1031
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1033
718	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
719		1035
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1039
724	=back	1040	=back
725		1041
726	=cut	1042	=cut
727		1043
728	#############################################################################	1044	#############################################################################
729	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
730		1088
731	sub reattach {	1089	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1091	my ($obj) = @_;
734		1092
		1093	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1095
737	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
738		1097
739	@$registry = ();	1098	@$registry = ();
740		1099
…		…
755	cf::attachable->attach (	1114	cf::attachable->attach (
756	prio => -1000000,	1115	prio => -1000000,
757	on_instantiate => sub {	1116	on_instantiate => sub {
758	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
759		1118
760	$data = from_json $data;	1119	$data = decode_json $data;
761		1120
762	for (@$data) {	1121	for (@$data) {
763	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
764		1123
765	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1140	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
783		1142
784	sync_job {	1143	sync_job {
785	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
788		1148
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1153	aio_close $fh;
794		1154
795	if (@$objs) {	1155	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1161	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
803	}	1163	}
804	} else {	1164	} else {
805	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
806	}	1166	}
807		1167
808	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1172	} else {
810	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
811	}	1174	}
812	} else {	1175	} else {
813	aio_unlink $filename;	1176	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
815	}	1178	}
816	}	1179	};
817	}	1180	}
818		1181
819	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
821		1184
…		…
833	or return;	1196	or return;
834		1197
835	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
837	or return;	1200	or return;
		1201
838	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
839	}	1204	}
840		1205
		1206	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
843	return ($data, $av);	1210	($data, $av)
844	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
845		1218
846	#############################################################################	1219	#############################################################################
847	# command handling &c	1220	# command handling &c
848		1221
849	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1236	}
864		1237
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1239
867	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
868		1245
869	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
870	called.	1247	called.
871		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
872	=cut	1260	=cut
873		1261
874	sub register_extcmd {	1262	sub register_extcmd {
875	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
876		1264
877	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
878	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
879		1275
880	cf::player->attach (	1276	cf::player->attach (
881	on_command => sub {	1277	on_command => sub {
882	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
883		1279
…		…
891	cf::override;	1287	cf::override;
892	},	1288	},
893	on_extcmd => sub {	1289	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
895		1291
896	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1293
898	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
904	} else {	1309	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1311	}
907		1312
908	cf::override;	1313	cf::override;
909	},	1314	},
910	);	1315	);
911		1316
		1317	# "readahead" all extensions
912	sub load_extension {	1318	sub cache_extensions {
913	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
914		1320
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
916	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1324	}
940	die $@;
941	}	1325	};
942		1326
943	push @EXTS, $pkg;	1327	$grp
944	}	1328	}
945		1329
946	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
947	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1335	next unless -r $path;
949	eval {	1336
950	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
951	1	1393	}
952	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
953	}	1399	};
954	}	1400	}
955		1401
956	#############################################################################	1402	#############################################################################
957		1403
		1404	=back
		1405
958	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
959		1407
960	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
961		1409
962	=cut	1410	=cut
963		1411
964	package cf::player;	1412	package cf::player;
965		1413
966	use Coro::AIO;	1414	use Coro::AIO;
967		1415
968	=head3 cf::player	1416	=head3 cf::player
969		1417
970	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
971		1433
972	=item cf::player::find $login	1434	=item cf::player::find $login
973		1435
974	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
975		1437
…		…
994		1456
995	sub exists($) {	1457	sub exists($) {
996	my ($login) = @_;	1458	my ($login) = @_;
997		1459
998	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1000	}	1462	}
1001		1463
1002	sub find($) {	1464	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1466	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1477
1016	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1019	}	1487	}
1020	}	1488	}
1021	}	1489	}
1022		1490
…		…
1031	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1032		1500
1033	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1035		1503
		1504	cf::get_slot 0.01;
		1505
1036	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1037	Coro::cede;	1507	cf::cede_to_tick;
1038	}	1508	}
1039		1509
1040	sub new($) {	1510	sub new($) {
1041	my ($login) = @_;	1511	my ($login) = @_;
1042		1512
…		…
1048	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1049		1519
1050	$self	1520	$self
1051	}	1521	}
1052		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1053	=item $pl->quit_character	1533	=item $pl->quit_character
1054		1534
1055	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1057		1537
…		…
1061	my ($pl) = @_;	1541	my ($pl) = @_;
1062		1542
1063	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1064		1544
1065	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1547
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1072		1554
1073	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1592	or return [];
1111		1593
1112	my @logins;	1594	my @logins;
1113		1595
1114	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1118		1606
1119	utf8::decode $login;	1607	utf8::decode $login;
1120	push @logins, $login;	1608	push @logins, $login;
1121	}	1609	}
1122		1610
…		…
1149	}	1637	}
1150		1638
1151	\@paths	1639	\@paths
1152	}	1640	}
1153		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1154	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1155		1647
1156	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1157		1649
1158	=cut	1650	=cut
1159		1651
1160	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1162		1654
1163	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1656	}
1167		1657
1168	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1169		1659
1170	Sends an ext event to the client.	1660	Sends an ext event to the client.
1171		1661
1172	=cut	1662	=cut
1173		1663
1174	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1176		1666
1177	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1178	}	1668	}
1179		1669
1180	=head3 cf::region	1670	=head3 cf::region
1181		1671
1182	=over 4	1672	=over 4
…		…
1185		1675
1186	package cf::region;	1676	package cf::region;
1187		1677
1188	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1189		1679
1190	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1191		1681
1192	=cut	1682	=cut
1193		1683
1194	sub find_by_path($) {	1684	sub find_by_path($) {
1195	my ($path) = @_;	1685	my ($path) = @_;
1196		1686
1197	my ($match, $specificity);	1687	my ($match, $specificity);
1198		1688
1199	for my $region (list) {	1689	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1203	}	1693	}
1204	}	1694	}
1205		1695
…		…
1226	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1228		1718
1229	sub generate_random_map {	1719	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1231	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1725	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1270		1763
1271	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1272	local $self->{path};	1765	local $self->{path};
1273	local $self->{load_path};	1766	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1767
1277	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1278	}	1769	}
1279		1770
1280	sub normalise {	1771	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1328	return $self;	1819	return $self;
1329	}	1820	}
1330	}	1821	}
1331		1822
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1824	()
1334	}	1825	}
1335		1826
1336	sub init {	1827	sub init {
1337	my ($self) = @_;	1828	my ($self) = @_;
…		…
1359		1850
1360	# the temporary/swap location	1851	# the temporary/swap location
1361	sub save_path {	1852	sub save_path {
1362	my ($self) = @_;	1853	my ($self) = @_;
1363		1854
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1366	}	1857	}
1367		1858
1368	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1369	sub uniq_path {	1860	sub uniq_path {
1370	my ($self) = @_;	1861	my ($self) = @_;
1371		1862
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1374	}	1865	}
1375		1866
1376	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1377	# all maps in C++...	1868	# all maps in C++...
…		…
1380		1871
1381	$_->change_map_light ($change)	1872	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1873	for grep $_->outdoor, values %cf::MAP;
1383	}	1874	}
1384		1875
		1876	sub decay_objects {
		1877	my ($self) = @_;
		1878
		1879	return if $self->{deny_reset};
		1880
		1881	$self->do_decay_objects;
		1882	}
		1883
1385	sub unlink_save {	1884	sub unlink_save {
1386	my ($self) = @_;	1885	my ($self) = @_;
1387		1886
1388	utf8::encode (my $save = $self->save_path);	1887	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1888	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1891
1393	sub load_header_from($) {	1892	sub load_header_from($) {
1394	my ($self, $path) = @_;	1893	my ($self, $path) = @_;
1395		1894
1396	utf8::encode $path;	1895	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1896	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1897	or return;
		1898
		1899	$self->_load_header ($f)
		1900	or return;
		1901
		1902	local $MAP_LOADING{$self->{path}} = $self;
		1903	$f->resolve_delayed_derefs;
1402		1904
1403	$self->{load_path} = $path;	1905	$self->{load_path} = $path;
1404		1906
1405	1	1907	1
1406	}	1908	}
…		…
1445	$self->load_header_orig	1947	$self->load_header_orig
1446	or return;	1948	or return;
1447	$self->prepare_orig;	1949	$self->prepare_orig;
1448	}	1950	}
1449		1951
		1952	$self->{deny_reset} = 1
		1953	if $self->no_reset;
		1954
1450	$self->default_region (cf::region::find_by_path $self->{path})	1955	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1956	unless $self->default_region;
1452		1957
1453	1	1958	1
1454	}	1959	}
…		…
1457	sub find {	1962	sub find {
1458	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1459		1964
1460	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1461		1966
		1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1463		1969
1464	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1467	or return;	1972	or return;
1468		1973
1469	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1470		1975
1471	$map->load_header	1976	$map->load_header
1472	or return;	1977	or return;
1473		1978
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
		1983	undef $guard1;
1477	$map->reset;	1984	$map->reset;
1478	undef $guard;
1479	return find $path;	1985	return find $path;
1480	}	1986	}
1481		1987
1482	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
1483	}	1989	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1998	local $self->{deny_reset} = 1; # loading can take a long time
1493		1999
1494	my $path = $self->{path};	2000	my $path = $self->{path};
1495		2001
1496	{	2002	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2003	my $guard = cf::lock_acquire "map_data:$path";
1498		2004
		2005	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2006	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2007
1501	$self->in_memory (cf::MAP_LOADING);	2008	$self->in_memory (cf::MAP_LOADING);
1502		2009
1503	$self->alloc;	2010	$self->alloc;
1504		2011
1505	$self->pre_load;	2012	$self->pre_load;
1506	Coro::cede;	2013	cf::cede_to_tick;
1507		2014
		2015	my $f = new_from_file cf::object::thawer $self->{load_path};
		2016	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2017	$self->_load_objects ($f)
1509	or return;	2018	or return;
1510		2019
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
1512	if delete $self->{load_original};	2021	if delete $self->{load_original};
1513		2022
1514	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2024	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2025	unless (aio_stat $uniq) {
		2026	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2027	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2028	$self->_load_objects ($f);
		2029	$f->resolve_delayed_derefs;
		2030	}
1519	}	2031	}
1520	}	2032	}
1521		2033
1522	Coro::cede;	2034	$f->resolve_delayed_derefs;
		2035
		2036	cf::cede_to_tick;
1523	# now do the right thing for maps	2037	# now do the right thing for maps
1524	$self->link_multipart_objects;	2038	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2039	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2040	unless $self->difficulty;
1527	Coro::cede;	2041	cf::cede_to_tick;
1528		2042
1529	unless ($self->{deny_activate}) {	2043	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2044	$self->decay_objects;
1531	$self->fix_auto_apply;	2045	$self->fix_auto_apply;
1532	$self->update_buttons;	2046	$self->update_buttons;
1533	Coro::cede;	2047	cf::cede_to_tick;
1534	$self->set_darkness_map;	2048	$self->set_darkness_map;
1535	Coro::cede;	2049	cf::cede_to_tick;
1536	$self->activate;	2050	$self->activate;
1537	}	2051	}
1538		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2057	}
1541		2058
1542	$self->post_load;	2059	$self->post_load;
1543	}	2060	}
1544		2061
…		…
1546	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1547		2064
1548	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2066	if $self->per_player;
1550		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1551	$self	2071	$self
1552	}	2072	}
1553		2073
1554	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2075	sub load_neighbours {
1556	my ($map) = @_;	2076	my ($map) = @_;
1557		2077
1558	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1559		2079
1560	for (0 .. 3) {	2080	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1562	or next;	2082	or next;
1563	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1564	or next;	2084	or next;
1565	$neigh->load;	2085	$neigh->load;
1566		2086
		2087	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2090	}
1570		2091
1571	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1573	or next;	2095	or next;
1574	$neigh->load;	2096	$neigh->load;
1575	}	2097	}
1576	}	2098	}
1577		2099
…		…
1582	}	2104	}
1583		2105
1584	sub do_load_sync {	2106	sub do_load_sync {
1585	my ($map) = @_;	2107	my ($map) = @_;
1586		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1587	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1588	}	2113	}
1589		2114
1590	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1592		2117
1593	sub find_async {	2118	sub find_async {
1594	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1595		2120
1596	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1597		2122
1598	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2125	}
1601		2126
1602	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1603	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1604	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2134	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2135	$map->load if $v;
		2136	}
1609		2137
1610	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1611	}	2139	}
1612	}	2140	}
1613	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1614	};	2142	};
1615	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2146	}
1619		2147
1620	sub save {	2148	sub save {
1621	my ($self) = @_;	2149	my ($self) = @_;
1622		2150
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2152
1625	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1626		2154
1627	return unless $self->dirty;	2155	return unless $self->dirty;
1628		2156
…		…
1634	return if $self->{deny_save};	2162	return if $self->{deny_save};
1635		2163
1636	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1637		2165
1638	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1640	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1641		2172
1642	if ($uniq) {	2173	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2176	} else {
…		…
1651	my ($self) = @_;	2182	my ($self) = @_;
1652		2183
1653	# save first because save cedes	2184	# save first because save cedes
1654	$self->save;	2185	$self->save;
1655		2186
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2188
1658	return if $self->players;	2189	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2191	return if $self->{deny_save};
1661		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2197	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2198	}
1665		2199
1666	sub reset_at {	2200	sub reset_at {
1667	my ($self) = @_;	2201	my ($self) = @_;
1668		2202
1669	# TODO: safety, remove and allow resettable per-player maps	2203	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2204	return 1e99 if $self->{deny_reset};
1672		2205
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2208
…		…
1686	my ($self) = @_;	2219	my ($self) = @_;
1687		2220
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2222
1690	return if $self->players;	2223	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2224
1693	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1694		2226
1695	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1696		2228
1697	# need to save uniques path	2229	# need to save uniques path
1698	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2234	if $uniq;
1703	}	2235	}
1704		2236
1705	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1706		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2241	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2242
1711	$self->unlink_save;	2243	$self->unlink_save;
1712	$self->destroy;	2244	$self->destroy;
1713	}	2245	}
1714		2246
1715	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1716		2248
1717	sub nuke {	2249	sub nuke {
1718	my ($self) = @_;	2250	my ($self) = @_;
1719		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1720	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1721		2256
1722	$self->unlink_save;	2257	$self->unlink_save;
1723		2258
1724	bless $self, "cf::map";	2259	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2264
1730	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1731		2267
1732	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1733	}	2305	}
1734		2306
1735	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1736		2308
1737	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2310	instantiated unique items. May block.
1739		2311
1740	=cut	2312	=cut
1741		2313
1742	sub unique_maps() {	2314	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2315	[
1744	or return;	2316	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2317	utf8::decode $_;
1750	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2320	? ()
1753	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2323	]
1755
1756	\@paths
1757	}	2324	}
1758
1759	package cf;
1760		2325
1761	=back	2326	=back
1762		2327
1763	=head3 cf::object	2328	=head3 cf::object
1764		2329
…		…
1768		2333
1769	=over 4	2334	=over 4
1770		2335
1771	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1772		2337
1773	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1774		2340
1775	=cut	2341	=cut
1776		2342
1777	sub inv_recursive_;	2343	sub inv_recursive_;
1778	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1781		2347
1782	sub inv_recursive {	2348	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1784	}	2350	}
1785		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1786	package cf;	2380	package cf;
1787		2381
1788	=back	2382	=back
1789		2383
1790	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1799		2393
1800	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1801		2409
1802	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2411	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1807		2415
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2417
1810	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1812	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1815	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1816	}	2443	}
1817		2444
1818	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1819		2446
1820	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1833		2460
1834	=item $player_object->enter_link	2461	=item $player_object->enter_link
1835		2462
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2464
1838	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1840		2469
1841	Will never block.	2470	Will never block.
1842		2471
1843	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1844		2473
…		…
1867	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1868		2497
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2499
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1873		2502
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2504	}
1876		2505
1877	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1879		2510
1880	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1881		2512
1882	unless ($map) {	2513	unless ($map) {
1883	# restore original map position	2514	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1900		2531
1901	$map->load;	2532	$map->load;
1902	$map->load_diag;	2533	$map->load_neighbours;
1903		2534
1904	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1905	$self->activate_recursive;	2537	$self->activate_recursive;
1906		2538
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
1909	}	2541	}
1910		2542
1911	cf::player->attach (	2543	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2544
1915	# abort map switching before logout	2545	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2546	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2547	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2548	the new (success) or old (failed) map position. In either case, $done will
1919	};	2549	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2550
1925	# try to abort aborted map switching on player login :)	2551	Note that $check will be called with a potentially non-loaded map, so if
1926	# should happen only on crashes	2552	it needs a loaded map it has to call C<< ->load >>.
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2553
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2554	=cut
		2555
		2556	our $GOTOGEN;
1946		2557
1947	sub cf::object::player::goto {	2558	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2559	my ($self, $path, $x, $y, $check, $done) = @_;
		2560
		2561	# do generation counting so two concurrent goto's will be executed in-order
		2562	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2563
1950	$self->enter_link;	2564	$self->enter_link;
1951		2565
1952	(async {	2566	(async {
		2567	$Coro::current->{desc} = "player::goto $path $x $y";
		2568
		2569	# *tag paths override both path and x|y
		2570	if ($path =~ /^\*(.*)$/) {
		2571	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2572	my $ob = $obs[rand @obs];
		2573
		2574	# see if we actually can go there
		2575	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2576	$ob = $obs[rand @obs];
		2577	} else {
		2578	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2579	}
		2580	# else put us there anyways for now #d#
		2581
		2582	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2583	} else {
		2584	($path, $x, $y) = (undef, undef, undef);
		2585	}
		2586	}
		2587
1953	my $map = eval {	2588	my $map = eval {
1954	my $map = cf::map::find $path;	2589	my $map = defined $path ? cf::map::find $path : undef;
		2590
		2591	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2592	$map = $map->customise_for ($self);
		2593	$map = $check->($map) if $check && $map;
		2594	} else {
		2595	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597
1956	$map	2598	$map
		2599	};
		2600
		2601	if ($@) {
		2602	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2603	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2604	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2605
		2606	if ($gen == $self->{_goto_generation}) {
		2607	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2608	$self->leave_link ($map, $x, $y);
		2609	}
		2610
		2611	$done->() if $done;
1961	})->prio (1);	2612	})->prio (1);
1962	}	2613	}
1963		2614
1964	=item $player_object->enter_exit ($exit_object)	2615	=item $player_object->enter_exit ($exit_object)
1965		2616
…		…
1985	}	2636	}
1986		2637
1987	sub prepare_random_map {	2638	sub prepare_random_map {
1988	my ($exit) = @_;	2639	my ($exit) = @_;
1989		2640
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2643	# that depends on the exit object
1995		2644
1996	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2647	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2003	}	2654	}
2004		2655
2005	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2006		2657
2007	my $data = cf::to_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2010		2661
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2664	undef $fh;
2014	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2015		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2018	}	2673	}
2019	}	2674	}
2020		2675
2021	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2023		2678
2024	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2025		2680
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2681	$self->enter_link;
2038		2682
2039	(async {	2683	(async {
2040	$self->deactivate_recursive; # just to be sure	2684	$Coro::current->{desc} = "enter_exit";
		2685
2041	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2042	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2043		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2044	1;	2707	1
2045	}) {	2708	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2713
2051	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2070		2733
2071	utf8::encode $text;	2734	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2735	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2736	}
2074		2737
		2738	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2739
		2740	Send a drawinfo or msg packet to the client, formatting the msg for the
		2741	client if neccessary. C<$type> should be a string identifying the type of
		2742	the message, with C<log> being the default. If C<$color> is negative, suppress
		2743	the message unless the client supports the msg packet.
		2744
		2745	=cut
		2746
		2747	# non-persistent channels (usually the info channel)
		2748	our %CHANNEL = (
		2749	"c/identify" => {
		2750	id => "infobox",
		2751	title => "Identify",
		2752	reply => undef,
		2753	tooltip => "Items recently identified",
		2754	},
		2755	"c/examine" => {
		2756	id => "infobox",
		2757	title => "Examine",
		2758	reply => undef,
		2759	tooltip => "Signs and other items you examined",
		2760	},
		2761	"c/book" => {
		2762	id => "infobox",
		2763	title => "Book",
		2764	reply => undef,
		2765	tooltip => "The contents of a note or book",
		2766	},
		2767	"c/lookat" => {
		2768	id => "infobox",
		2769	title => "Look",
		2770	reply => undef,
		2771	tooltip => "What you saw there",
		2772	},
		2773	"c/who" => {
		2774	id => "infobox",
		2775	title => "Players",
		2776	reply => undef,
		2777	tooltip => "Shows players who are currently online",
		2778	},
		2779	"c/body" => {
		2780	id => "infobox",
		2781	title => "Body Parts",
		2782	reply => undef,
		2783	tooltip => "Shows which body parts you posess and are available",
		2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
		2791	"c/uptime" => {
		2792	id => "infobox",
		2793	title => "Uptime",
		2794	reply => undef,
		2795	tooltip => "How long the server has been running since last restart",
		2796	},
		2797	"c/mapinfo" => {
		2798	id => "infobox",
		2799	title => "Map Info",
		2800	reply => undef,
		2801	tooltip => "Information related to the maps",
		2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
		2809	);
		2810
		2811	sub cf::client::send_msg {
		2812	my ($self, $channel, $msg, $color, @extra) = @_;
		2813
		2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
		2816
		2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2818
		2819	# check predefined channels, for the benefit of C
		2820	if ($CHANNEL{$channel}) {
		2821	$channel = $CHANNEL{$channel};
		2822
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825
		2826	$channel = $channel->{id};
		2827
		2828	} elsif (ref $channel) {
		2829	# send meta info to client, if not yet sent
		2830	unless (exists $self->{channel}{$channel->{id}}) {
		2831	$self->{channel}{$channel->{id}} = $channel;
		2832	$self->ext_msg (channel_info => $channel)
		2833	if $self->can_msg;
		2834	}
		2835
		2836	$channel = $channel->{id};
		2837	}
		2838
		2839	return unless @extra || length $msg;
		2840
		2841	if ($self->can_msg) {
		2842	# default colour, mask it out
		2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2844	if $color & cf::NDI_DEF;
		2845
		2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
		2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
		2862	} else {
		2863	if ($color >= 0) {
		2864	# replace some tags by gcfclient-compatible ones
		2865	for ($msg) {
		2866	1 while
		2867	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2868	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2869	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2870	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2871	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2872	}
		2873
		2874	$color &= cf::NDI_COLOR_MASK;
		2875
		2876	utf8::encode $msg;
		2877
		2878	if (0 && $msg =~ /\[/) {
		2879	# COMMAND/INFO
		2880	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2881	} else {
		2882	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2883	$self->send_packet ("drawinfo $color $msg")
		2884	}
		2885	}
		2886	}
		2887	}
		2888
2075	=item $client->ext_event ($type, %msg)	2889	=item $client->ext_msg ($type, @msg)
2076		2890
2077	Sends an exti event to the client.	2891	Sends an ext event to the client.
2078		2892
2079	=cut	2893	=cut
2080		2894
2081	sub cf::client::ext_event($$%) {	2895	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2896	my ($self, $type, @msg) = @_;
2083		2897
		2898	if ($self->extcmd == 2) {
		2899	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2900	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2901	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
		2904	}
		2905
		2906	=item $client->ext_reply ($msgid, @msg)
		2907
		2908	Sends an ext reply to the client.
		2909
		2910	=cut
		2911
		2912	sub cf::client::ext_reply($$@) {
		2913	my ($self, $id, @msg) = @_;
		2914
		2915	if ($self->extcmd == 2) {
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2917	} elsif ($self->extcmd == 1) {
		2918	#TODO: version 1, remove
		2919	unshift @msg, msgtype => "reply", msgid => $id;
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2921	}
2086	}	2922	}
2087		2923
2088	=item $success = $client->query ($flags, "text", \&cb)	2924	=item $success = $client->query ($flags, "text", \&cb)
2089		2925
2090	Queues a query to the client, calling the given callback with	2926	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2927	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2928	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2929
2094	Queries can fail, so check the return code. Or don't, as queries will become	2930	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2931	become reliable at some point in the future.
2096		2932
2097	=cut	2933	=cut
2098		2934
2099	sub cf::client::query {	2935	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2936	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2944	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2945	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2946
2111	$self->send_packet ($self->{query_queue}[0][0])	2947	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2948	if @{ $self->{query_queue} } == 1;
		2949
		2950	1
2113	}	2951	}
2114		2952
2115	cf::client->attach (	2953	cf::client->attach (
		2954	on_connect => sub {
		2955	my ($ns) = @_;
		2956
		2957	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2958	},
2116	on_reply => sub {	2959	on_reply => sub {
2117	my ($ns, $msg) = @_;	2960	my ($ns, $msg) = @_;
2118		2961
2119	# this weird shuffling is so that direct followup queries	2962	# this weird shuffling is so that direct followup queries
2120	# get handled first	2963	# get handled first
…		…
2132	} else {	2975	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2976	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2977	}
2135	}	2978	}
2136	},	2979	},
		2980	on_exticmd => sub {
		2981	my ($ns, $buf) = @_;
		2982
		2983	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2984
		2985	if (ref $msg) {
		2986	my ($type, $reply, @payload) =
		2987	"ARRAY" eq ref $msg
		2988	? @$msg
		2989	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2990
		2991	my @reply;
		2992
		2993	if (my $cb = $EXTICMD{$type}) {
		2994	@reply = $cb->($ns, @payload);
		2995	}
		2996
		2997	$ns->ext_reply ($reply, @reply)
		2998	if $reply;
		2999
		3000	} else {
		3001	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3002	}
		3003
		3004	cf::override;
		3005	},
2137	);	3006	);
2138		3007
2139	=item $client->async (\&cb)	3008	=item $client->async (\&cb)
2140		3009
2141	Create a new coroutine, running the specified callback. The coroutine will	3010	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3051	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3052	our $safe_hole = new Safe::Hole;
2184		3053
2185	$SIG{FPE} = 'IGNORE';	3054	$SIG{FPE} = 'IGNORE';
2186		3055
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3056	$safe->permit_only (Opcode::opset qw(
		3057	:base_core :base_mem :base_orig :base_math
		3058	grepstart grepwhile mapstart mapwhile
		3059	sort time
		3060	));
2188		3061
2189	# here we export the classes and methods available to script code	3062	# here we export the classes and methods available to script code
2190		3063
2191	=pod	3064	=pod
2192		3065
2193	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
2194		3067
2195	cf::object contr pay_amount pay_player map	3068	cf::object
		3069	contr pay_amount pay_player map x y force_find force_add destroy
		3070	insert remove name archname title slaying race decrease split
		3071
2196	cf::object::player player	3072	cf::object::player
2197	cf::player peaceful	3073	player
2198	cf::map trigger	3074
		3075	cf::player
		3076	peaceful
		3077
		3078	cf::map
		3079	trigger
2199		3080
2200	=cut	3081	=cut
2201		3082
2202	for (	3083	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3085	insert remove inv nrof name archname title slaying race
		3086	decrease split destroy change_exp)],
2204	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
2207	) {	3090	) {
2208	no strict 'refs';	3091	no strict 'refs';
…		…
2279	=back	3162	=back
2280		3163
2281	=cut	3164	=cut
2282		3165
2283	#############################################################################	3166	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	3167	# the server's init and main functions
2458		3168
2459	sub load_facedata($) {	3169	sub load_facedata($) {
2460	my ($path) = @_;	3170	my ($path) = @_;
		3171
		3172	# HACK to clear player env face cache, we need some signal framework
		3173	# for this (global event?)
		3174	%ext::player_env::MUSIC_FACE_CACHE = ();
		3175
		3176	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3177
2462	warn "loading facedata from $path\n";	3178	warn "loading facedata from $path\n";
2463		3179
2464	my $facedata;	3180	my $facedata;
2465	0 < aio_load $path, $facedata	3181	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3184	$facedata = Coro::Storable::thaw $facedata;
2469		3185
2470	$facedata->{version} == 2	3186	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3187	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3188
		3189	# patch in the exptable
		3190	$facedata->{resource}{"res/exp_table"} = {
		3191	type => FT_RSRC,
		3192	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3193	};
		3194	cf::cede_to_tick;
		3195
2473	{	3196	{
2474	my $faces = $facedata->{faceinfo};	3197	my $faces = $facedata->{faceinfo};
2475		3198
2476	while (my ($face, $info) = each %$faces) {	3199	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3200	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3201
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3202	cf::face::set_visibility $idx, $info->{visibility};
		3203	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3204	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3205	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3206
		3207	cf::cede_to_tick;
2482	}	3208	}
2483		3209
2484	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3211	next unless $info->{smooth};
		3212
2486	my $idx = cf::face::find $face	3213	my $idx = cf::face::find $face
2487	or next;	3214	or next;
		3215
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3216	if (my $smooth = cf::face::find $info->{smooth}) {
		3217	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3218	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3219	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3220	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3221	}
2493	Coro::cede;	3222
		3223	cf::cede_to_tick;
2494	}	3224	}
2495	}	3225	}
2496		3226
2497	{	3227	{
2498	my $anims = $facedata->{animinfo};	3228	my $anims = $facedata->{animinfo};
2499		3229
2500	while (my ($anim, $info) = each %$anims) {	3230	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3231	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3232	cf::cede_to_tick;
2503	}	3233	}
2504		3234
2505	cf::anim::invalidate_all; # d'oh	3235	cf::anim::invalidate_all; # d'oh
2506	}	3236	}
2507		3237
		3238	{
		3239	# TODO: for gcfclient pleasure, we should give resources
		3240	# that gcfclient doesn't grok a >10000 face index.
		3241	my $res = $facedata->{resource};
		3242
		3243	while (my ($name, $info) = each %$res) {
		3244	if (defined $info->{type}) {
		3245	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3246	my $data;
		3247
		3248	if ($info->{type} & 1) {
		3249	# prepend meta info
		3250
		3251	my $meta = $enc->encode ({
		3252	name => $name,
		3253	%{ $info->{meta} || {} },
		3254	});
		3255
		3256	$data = pack "(w/a*)*", $meta, $info->{data};
		3257	} else {
		3258	$data = $info->{data};
		3259	}
		3260
		3261	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3262	cf::face::set_type $idx, $info->{type};
		3263	} else {
		3264	$RESOURCE{$name} = $info;
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3272
2508	1	3273	1
2509	}	3274	}
2510		3275
		3276	cf::global->attach (on_resource_update => sub {
		3277	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3278	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3279
		3280	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3281	my $sound = $soundconf->{compat}[$_]
		3282	or next;
		3283
		3284	my $face = cf::face::find "sound/$sound->[1]";
		3285	cf::sound::set $sound->[0] => $face;
		3286	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3287	}
		3288
		3289	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3290	my $face = cf::face::find "sound/$v";
		3291	cf::sound::set $k => $face;
		3292	}
		3293	}
		3294	});
		3295
		3296	register_exticmd fx_want => sub {
		3297	my ($ns, $want) = @_;
		3298
		3299	while (my ($k, $v) = each %$want) {
		3300	$ns->fx_want ($k, $v);
		3301	}
		3302	};
		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
2511	sub reload_regions {	3314	sub reload_regions {
		3315	# HACK to clear player env face cache, we need some signal framework
		3316	# for this (global event?)
		3317	%ext::player_env::MUSIC_FACE_CACHE = ();
		3318
2512	load_resource_file "$MAPDIR/regions"	3319	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3320	or die "unable to load regions file\n";
		3321
		3322	for (cf::region::list) {
		3323	$_->{match} = qr/$_->{match}/
		3324	if exists $_->{match};
		3325	}
2514	}	3326	}
2515		3327
2516	sub reload_facedata {	3328	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3329	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3330	or die "unable to load facedata\n";
…		…
2529	}	3341	}
2530		3342
2531	sub reload_resources {	3343	sub reload_resources {
2532	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2533		3345
2534	reload_regions;
2535	reload_facedata;	3346	reload_facedata;
2536	reload_archetypes;	3347	reload_archetypes;
		3348	reload_regions;
2537	reload_treasures;	3349	reload_treasures;
2538		3350
2539	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
2540	}	3352	}
2541		3353
2542	sub init {	3354	sub reload_config {
2543	reload_resources;
2544	}
2545
2546	sub cfg_load {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3356	or return;
2549		3357
2550	local $/;	3358	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2552		3360
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554		3362
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2562	};	3370	};
2563	warn $@ if $@;	3371	warn $@ if $@;
2564	}	3372	}
2565	}	3373	}
2566		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2567	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
2568	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3413	(async {
2572	Event::one_event;	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3415	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
2574	};	3417	};
2575		3418
2576	cfg_load;	3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
		3423	reload_config;
2577	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
2578	load_extensions;	3437	load_extensions;
2579		3438
2580	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
		3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
2581	Event::loop;	3447	EV::loop;
2582	}	3448	}
2583		3449
2584	#############################################################################	3450	#############################################################################
2585	# initialisation and cleanup	3451	# initialisation and cleanup
2586		3452
2587	# install some emergency cleanup handlers	3453	# install some emergency cleanup handlers
2588	BEGIN {	3454	BEGIN {
		3455	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3456	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3457	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
2597	},
2598	);	3459	};
		3460	}
		3461	}
		3462
		3463	sub write_runtime_sync {
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2599	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2600	}	3547	}
2601		3548
2602	sub emergency_save() {	3549	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2604		3551
2605	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
2606		3553
2607	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
2608	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3566	$pl->valid or next;
		3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3568	$pl->save;
2616	}	3569	}
2617	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
2618		3571
2619	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3575	$map->valid or next;
2623	$map->save;	3576	$map->save;
2624	}	3577	}
2625	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
2626		3579
2627	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
2630	};	3587	};
2631		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
2632	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
2633	}	3595	}
2634		3596
2635	sub post_cleanup {	3597	sub post_cleanup {
2636	my ($make_core) = @_;	3598	my ($make_core) = @_;
2637		3599
2638	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
2640	}	3631	}
2641		3632
2642	sub do_reload_perl() {	3633	sub do_reload_perl() {
2643	# can/must only be called in main	3634	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
2645	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
2646	return;	3637	return;
2647	}	3638	}
2648		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
2649	warn "reloading...";	3645	warn "reloading...";
2650		3646
2651	warn "entering sync_job";	3647	warn "entering sync_job";
2652		3648
2653	cf::sync_job {	3649	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
2655	cf::emergency_save;	3651	cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
2657		3653
2658	warn "syncing database to disk";	3654	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
2660		3656
2661	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
2662		3658
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
2674	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();
2682
2683	warn "removing commands";
2684	%COMMAND = ();
2685
2686	warn "removing ext commands";
2687	%EXTCMD = ();
2688
2689	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";
2692
2693	if (my $cb = $pkg->can ("unload")) {
2694	eval {
2695	$cb->($pkg);
2696	1
2697	} or warn "$pkg unloaded, but with errors: $@";
2698	}	3662	}
2699		3663
2700	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
2701	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
2702	}	3666	%EXT_CORO = ();
2703		3667
2704	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
2705	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
2708	warn "... unloading $k";	3677	warn "... unloading $pkg";
2709	delete $INC{$k};
2710		3678
2711	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;
2713
2714	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
2715	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
2716	}	3688	}
2717		3689
2718	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
2719	}	3705	}
2720		3706
2721	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3710
2725	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
2728		3714
2729	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3716	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
2732		3718
2733	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
2734		3720
2735	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
2736	require cf;	3722	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3724
2739	warn "loading config and database again";	3725	warn "loading config and database again";
2740	cf::cfg_load;	3726	cf::reload_config;
2741		3727
2742	warn "loading extensions";	3728	warn "loading extensions";
2743	cf::load_extensions;	3729	cf::load_extensions;
2744		3730
		3731	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
2751		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
2752	warn "leaving sync_job";	3743	warn "leaving sync_job";
2753		3744
2754	1	3745	1
2755	} or do {	3746	} or do {
2756	warn $@;	3747	warn $@;
2757	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
2758	exit 1;
2759	};	3749	};
2760		3750
2761	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
2762	};	3757	};
2763		3758
2764	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
2765		3760
2766	sub reload_perl() {	3761	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
2769		3764
2770	$RELOAD_WATCHER ||= Event->timer (	3765	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	3766	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	3767
2773	data => WF_AUTOCANCEL,	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	3769	do_reload_perl;
2776	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
2777	},	3771	};
2778	);	3772	};
2779	}	3773	}
2780		3774
2781	register_command "reload" => sub {	3775	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
2783		3777
2784	if ($who->flag (FLAG_WIZ)) {	3778	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3779	$who->message ("reloading server.");
		3780	async {
		3781	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3782	reload_perl;
		3783	};
2787	}	3784	}
2788	};	3785	};
2789		3786
2790	unshift @INC, $LIBDIR;	3787	unshift @INC, $LIBDIR;
2791		3788
…		…
2793		3790
2794	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
2796		3793
2797	sub wait_for_tick {	3794	sub wait_for_tick {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2800		3796
2801	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	3799	$signal->wait;
2804	}	3800	}
2805		3801
2806	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
2809		3804
2810	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	3807	$signal->wait;
2813	}	3808	}
2814		3809
2815	$TICK_WATCHER = Event->timer (	3810	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
2825	return;	3814	return;
2826	}	3815	}
2827		3816
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
2831		3818
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	3821	Coro::async_pool {
		3822	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3823	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
2840	};
2841	}	3825	};
		3826	}
2842		3827
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	3829	$sig->send;
2854	}	3830	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	3832	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	3833	}
2861	);	3834
		3835	$LOAD = ($NOW - $TICK_START) / $TICK;
		3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3837
		3838	if (0) {
		3839	if ($NEXT_TICK) {
		3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
2862		3846
2863	{	3847	{
2864	BDB::max_poll_time $TICK * 0.1;	3848	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	3849
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
2874		3851	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	3852	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		3853
2890	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
		3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		3861
2893	cf::sync_job {	3862	cf::sync_job {
2894	eval {	3863	eval {
2895	BDB::db_env_open	3864	BDB::db_env_open
2896	$DB_ENV,	3865	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3867	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3868	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3869	0666;
2901		3870
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3871	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	3872	};
2907		3873
2908	cf::cleanup "db_env_open(db): $@" if $@;	3874	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3875	};
2910	}	3876	}
		3877
		3878	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3879	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3880	};
		3881	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3882	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3883	};
		3884	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3885	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3886	};
2911	}	3887	}
2912		3888
2913	{	3889	{
		3890	# configure IO::AIO
		3891
2914	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	3894	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	3895	}
		3896
		3897	my $_log_backtrace;
2927		3898
2928	sub _log_backtrace {	3899	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	3900	my ($msg, @addr) = @_;
2930		3901
		3902	$msg =~ s/\n//;
		3903
		3904	# limit the # of concurrent backtraces
		3905	if ($_log_backtrace < 2) {
		3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
2931	async {	3908	async {
		3909	$Coro::current->{desc} = "abt $msg";
		3910
2932	my @bt = fork_call {	3911	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
2934	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3913	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2935	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3914	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2936	or die "addr2line: $!";	3915	or die "addr2line: $!";
2937		3916
2938	my @funcs;	3917	my @funcs;
2939	my @res = <$fh>;	3918	my @res = <$fh>;
2940	chomp for @res;	3919	chomp for @res;
2941	while (@res) {	3920	while (@res) {
2942	my ($func, $line) = splice @res, 0, 2, ();	3921	my ($func, $line) = splice @res, 0, 2, ();
2943	push @funcs, "[$func] $line";	3922	push @funcs, "[$func] $line";
		3923	}
		3924
		3925	@funcs
2944	}	3926	};
2945		3927
2946	@funcs	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3930	LOG llevInfo, "[ABT] $_\n" for @bt;
		3931	--$_log_backtrace;
2947	};	3932	};
2948		3933	} else {
2949	$msg =~ s/\n//;
2950
2951	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";
2952	LOG llevInfo, "[ABT] $_\n" for @bt;	3935	LOG llevInfo, "[ABT] [suppressed]\n";
2953	};	3936	}
2954	}	3937	}
2955		3938
2956	# load additional modules	3939	# load additional modules
2957	use cf::pod;	3940	use cf::pod;
2958		3941

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