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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.462 by root, Tue Dec 23 06:58:23 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	warn "starting to write runtime...\n";#d#	542	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		543
380	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		546
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
385	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
386		550
387	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	552	reset_signals;
389	and return;	553	&$cb
		554	}, @args;
390		555
391	close $fh	556	wantarray ? @res : $res[-1]
392	or return;	557	}
393		558
394	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
395	and return;
396		560
397	warn "... done writing runtime.\n";#d#	561	=cut
398		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
399	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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"
400	}	711	}
401		712
402	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
403		714
404	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.
…		…
416		727
417	#############################################################################	728	#############################################################################
418		729
419	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
420		731
421	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
422	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")
423	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
424		735
425	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>
426	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
427	crossfire+).	738	Deliantra).
428		739
429	=over 4	740	=over 4
430		741
431	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
432		743
…		…
476	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
477		788
478	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
480		791
481	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
482	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
483		794
484	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
485		796
486	=over 4	797	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
596		907
597	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		912
602	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	914	my $pkg = shift @arg;
604		915
605	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
635	}	946	}
636		947
637	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
638	} else {	949	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	951	}
641		952
642	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
643	}	954	}
644		955
…		…
646	if (ref $_[0]) {	957	if (ref $_[0]) {
647	_object_attach @_;	958	_object_attach @_;
648	} else {	959	} else {
649	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
650	}	961	}
		962	_recalc_want;
651	};	963	};
652		964
653	# all those should be optimised	965	# all those should be optimised
654	sub cf::attachable::detach {	966	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
659	reattach ($obj);	971	reattach ($obj);
660	} else {	972	} else {
661	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
662	}	974	}
		975	_recalc_want;
663	};	976	};
664		977
665	sub cf::attachable::attached {	978	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
667		980
…		…
682	";	995	";
683	die if $@;	996	die if $@;
684	}	997	}
685		998
686	our $override;	999	our $override;
687	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?
688		1001
689	sub override {	1002	sub override {
690	$override = 1;	1003	$override = 1;
691	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
692	}	1005	}
693		1006
694	sub do_invoke {	1007	sub do_invoke {
695	my $event = shift;	1008	my $event = shift;
696	my $callbacks = shift;	1009	my $callbacks = shift;
697		1010
698	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
699		1012
700	local $override;	1013	local $override;
701		1014
702	for (@$callbacks) {	1015	for (@$callbacks) {
703	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
712	}	1025	}
713		1026
714	0	1027	0
715	}	1028	}
716		1029
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1031
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1033
721	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
722		1035
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1039
727	=back	1040	=back
728		1041
729	=cut	1042	=cut
730		1043
731	#############################################################################	1044	#############################################################################
732	# 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, $ob2
		1087	}
733		1088
734	sub reattach {	1089	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1091	my ($obj) = @_;
737		1092
		1093	# no longer needed after getting rid of delete_package?
738	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
739		1095
740	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
741		1097
742	@$registry = ();	1098	@$registry = ();
743		1099
…		…
758	cf::attachable->attach (	1114	cf::attachable->attach (
759	prio => -1000000,	1115	prio => -1000000,
760	on_instantiate => sub {	1116	on_instantiate => sub {
761	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
762		1118
763	$data = from_json $data;	1119	$data = decode_json $data;
764		1120
765	for (@$data) {	1121	for (@$data) {
766	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
767		1123
768	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1140	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
786		1142
787	sync_job {	1143	sync_job {
788	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
791		1148
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1153	aio_close $fh;
797		1154
798	if (@$objs) {	1155	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1161	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
806	}	1163	}
807	} else {	1164	} else {
808	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
809	}	1166	}
810		1167
811	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1172	} else {
813	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
814	}	1174	}
815	} else {	1175	} else {
816	aio_unlink $filename;	1176	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
818	}	1178	}
819	}	1179	};
820	}	1180	}
821		1181
822	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
824		1184
…		…
836	or return;	1196	or return;
837		1197
838	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
840	or return;	1200	or return;
		1201
841	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
842	}	1204	}
843		1205
		1206	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
846	return ($data, $av);	1210	($data, $av)
847	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
848		1218
849	#############################################################################	1219	#############################################################################
850	# command handling &c	1220	# command handling &c
851		1221
852	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1236	}
867		1237
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1239
870	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.
871		1245
872	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
873	called.	1247	called.
874		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
875	=cut	1260	=cut
876		1261
877	sub register_extcmd {	1262	sub register_extcmd {
878	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
879		1264
880	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
881	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
882		1275
883	cf::player->attach (	1276	cf::player->attach (
884	on_command => sub {	1277	on_command => sub {
885	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
886		1279
…		…
894	cf::override;	1287	cf::override;
895	},	1288	},
896	on_extcmd => sub {	1289	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
898		1291
899	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1293
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
907	} else {	1309	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1311	}
910		1312
911	cf::override;	1313	cf::override;
912	},	1314	},
913	);	1315	);
914		1316
		1317	# "readahead" all extensions
915	sub load_extension {	1318	sub cache_extensions {
916	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
917		1320
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
919	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1324	}
943	die $@;
944	}	1325	};
945		1326
946	push @EXTS, $pkg;	1327	$grp
947	}	1328	}
948		1329
949	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
950	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1335	next unless -r $path;
952	eval {	1336
953	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	$progress = 1;
954	1	1393	}
955	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
956	}	1399	};
957	}	1400	}
958		1401
959	#############################################################################	1402	#############################################################################
960		1403
		1404	=back
		1405
961	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
962		1407
963	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
964		1409
965	=cut	1410	=cut
966		1411
967	package cf::player;	1412	package cf::player;
968		1413
969	use Coro::AIO;	1414	use Coro::AIO;
970		1415
971	=head3 cf::player	1416	=head3 cf::player
972		1417
973	=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	}
974		1433
975	=item cf::player::find $login	1434	=item cf::player::find $login
976		1435
977	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
978		1437
…		…
997		1456
998	sub exists($) {	1457	sub exists($) {
999	my ($login) = @_;	1458	my ($login) = @_;
1000		1459
1001	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1003	}	1462	}
1004		1463
1005	sub find($) {	1464	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1466	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1477
1019	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1022	}	1487	}
1023	}	1488	}
1024	}	1489	}
1025		1490
…		…
1034	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1035		1500
1036	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1038		1503
		1504	cf::get_slot 0.01;
		1505
1039	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1040	Coro::cede;	1507	cf::cede_to_tick;
1041	}	1508	}
1042		1509
1043	sub new($) {	1510	sub new($) {
1044	my ($login) = @_;	1511	my ($login) = @_;
1045		1512
…		…
1051	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1052		1519
1053	$self	1520	$self
1054	}	1521	}
1055		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
1056	=item $pl->quit_character	1533	=item $pl->quit_character
1057		1534
1058	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1060		1537
…		…
1064	my ($pl) = @_;	1541	my ($pl) = @_;
1065		1542
1066	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1067		1544
1068	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1069	$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
1070		1547
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1075		1554
1076	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1592	or return [];
1114		1593
1115	my @logins;	1594	my @logins;
1116		1595
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1121		1606
1122	utf8::decode $login;	1607	utf8::decode $login;
1123	push @logins, $login;	1608	push @logins, $login;
1124	}	1609	}
1125		1610
…		…
1152	}	1637	}
1153		1638
1154	\@paths	1639	\@paths
1155	}	1640	}
1156		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1157	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1158		1647
1159	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1160		1649
1161	=cut	1650	=cut
1162		1651
1163	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1165		1654
1166	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1656	}
1170		1657
1171	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1172		1659
1173	Sends an ext event to the client.	1660	Sends an ext event to the client.
1174		1661
1175	=cut	1662	=cut
1176		1663
1177	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1179		1666
1180	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1181	}	1668	}
1182		1669
1183	=head3 cf::region	1670	=head3 cf::region
1184		1671
1185	=over 4	1672	=over 4
…		…
1188		1675
1189	package cf::region;	1676	package cf::region;
1190		1677
1191	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1192		1679
1193	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1194		1681
1195	=cut	1682	=cut
1196		1683
1197	sub find_by_path($) {	1684	sub find_by_path($) {
1198	my ($path) = @_;	1685	my ($path) = @_;
1199		1686
1200	my ($match, $specificity);	1687	my ($match, $specificity);
1201		1688
1202	for my $region (list) {	1689	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1206	}	1693	}
1207	}	1694	}
1208		1695
…		…
1229	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1231		1718
1232	sub generate_random_map {	1719	sub generate_random_map {
1233	my ($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
1234	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1725	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1273		1763
1274	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1275	local $self->{path};	1765	local $self->{path};
1276	local $self->{load_path};	1766	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1767
1280	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1281	}	1769	}
1282		1770
1283	sub normalise {	1771	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1331	return $self;	1819	return $self;
1332	}	1820	}
1333	}	1821	}
1334		1822
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1824	()
1337	}	1825	}
1338		1826
1339	sub init {	1827	sub init {
1340	my ($self) = @_;	1828	my ($self) = @_;
…		…
1362		1850
1363	# the temporary/swap location	1851	# the temporary/swap location
1364	sub save_path {	1852	sub save_path {
1365	my ($self) = @_;	1853	my ($self) = @_;
1366		1854
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1369	}	1857	}
1370		1858
1371	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1372	sub uniq_path {	1860	sub uniq_path {
1373	my ($self) = @_;	1861	my ($self) = @_;
1374		1862
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1377	}	1865	}
1378		1866
1379	# and all this just because we cannot iterate over	1867	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1868	my ($self) = @_;
1383		1869
1384	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1386	}	1873	}
1387		1874
1388	sub unlink_save {	1875	sub unlink_save {
1389	my ($self) = @_;	1876	my ($self) = @_;
1390		1877
…		…
1395		1882
1396	sub load_header_from($) {	1883	sub load_header_from($) {
1397	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1398		1885
1399	utf8::encode $path;	1886	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1405		1895
1406	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1407		1897
1408	1	1898	1
1409	}	1899	}
…		…
1448	$self->load_header_orig	1938	$self->load_header_orig
1449	or return;	1939	or return;
1450	$self->prepare_orig;	1940	$self->prepare_orig;
1451	}	1941	}
1452		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
1453	$self->default_region (cf::region::find_by_path $self->{path})	1946	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1947	unless $self->default_region;
1455		1948
1456	1	1949	1
1457	}	1950	}
…		…
1460	sub find {	1953	sub find {
1461	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1462		1955
1463	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1464		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1466		1960
1467	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1470	or return;	1963	or return;
1471		1964
1472	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1473		1966
1474	$map->load_header	1967	$map->load_header
1475	or return;	1968	or return;
1476		1969
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1480	$map->reset;	1975	$map->reset;
1481	undef $guard;
1482	return find $path;	1976	return find $path;
1483	}	1977	}
1484		1978
1485	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1486	}	1980	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1496		1990
1497	my $path = $self->{path};	1991	my $path = $self->{path};
1498		1992
1499	{	1993	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1501		1995
		1996	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1998
1504	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1505		2000
1506	$self->alloc;	2001	$self->alloc;
1507		2002
1508	$self->pre_load;	2003	$self->pre_load;
1509	Coro::cede;	2004	cf::cede_to_tick;
1510		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1512	or return;	2009	or return;
1513		2010
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1515	if delete $self->{load_original};	2012	if delete $self->{load_original};
1516		2013
1517	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2015	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2018	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1522	}	2022	}
1523	}	2023	}
1524		2024
1525	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1526	# now do the right thing for maps	2028	# now do the right thing for maps
1527	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2031	unless $self->difficulty;
1530	Coro::cede;	2032	cf::cede_to_tick;
1531		2033
1532	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2035	$self->decay_objects;
1534	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1535	$self->update_buttons;	2037	$self->update_buttons;
1536	Coro::cede;	2038	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2039	$self->activate;
1540	}	2040	}
1541		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2046	}
1544		2047
1545	$self->post_load;	2048	$self->post_load;
1546	}	2049	}
1547		2050
…		…
1549	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1550		2053
1551	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2055	if $self->per_player;
1553		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1554	$self	2060	$self
1555	}	2061	}
1556		2062
1557	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2064	sub load_neighbours {
1559	my ($map) = @_;	2065	my ($map) = @_;
1560		2066
1561	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1562		2068
1563	for (0 .. 3) {	2069	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1565	or next;	2071	or next;
1566	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1567	or next;	2073	or next;
1568	$neigh->load;	2074	$neigh->load;
1569		2075
		2076	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2079	}
1573		2080
1574	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1576	or next;	2084	or next;
1577	$neigh->load;	2085	$neigh->load;
1578	}	2086	}
1579	}	2087	}
1580		2088
…		…
1585	}	2093	}
1586		2094
1587	sub do_load_sync {	2095	sub do_load_sync {
1588	my ($map) = @_;	2096	my ($map) = @_;
1589		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1590	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1591	}	2102	}
1592		2103
1593	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1595		2106
1596	sub find_async {	2107	sub find_async {
1597	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1598		2109
1599	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1600		2111
1601	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2114	}
1604		2115
1605	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1606	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1607	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2123	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2124	$map->load if $v;
		2125	}
1612		2126
1613	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1614	}	2128	}
1615	}	2129	}
1616	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1617	};	2131	};
1618	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2135	}
1622		2136
1623	sub save {	2137	sub save {
1624	my ($self) = @_;	2138	my ($self) = @_;
1625		2139
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2141
1628	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1629		2143
1630	return unless $self->dirty;	2144	return unless $self->dirty;
1631		2145
…		…
1637	return if $self->{deny_save};	2151	return if $self->{deny_save};
1638		2152
1639	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1640		2154
1641	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1643	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1644		2161
1645	if ($uniq) {	2162	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2165	} else {
…		…
1654	my ($self) = @_;	2171	my ($self) = @_;
1655		2172
1656	# save first because save cedes	2173	# save first because save cedes
1657	$self->save;	2174	$self->save;
1658		2175
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2177
1661	return if $self->players;	2178	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1663	return if $self->{deny_save};	2180	return if $self->{deny_save};
1664		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2186	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2187	}
1668		2188
1669	sub reset_at {	2189	sub reset_at {
1670	my ($self) = @_;	2190	my ($self) = @_;
1671		2191
1672	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1675		2194
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2197
…		…
1689	my ($self) = @_;	2208	my ($self) = @_;
1690		2209
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2211
1693	return if $self->players;	2212	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2213
1696	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1697		2215
1698	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1699		2217
1700	# need to save uniques path	2218	# need to save uniques path
1701	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2223	if $uniq;
1706	}	2224	}
1707		2225
1708	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1709		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2230	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2231
1714	$self->unlink_save;	2232	$self->unlink_save;
1715	$self->destroy;	2233	$self->destroy;
1716	}	2234	}
1717		2235
1718	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1719		2237
1720	sub nuke {	2238	sub nuke {
1721	my ($self) = @_;	2239	my ($self) = @_;
1722		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1723	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1724		2245
1725	$self->unlink_save;	2246	$self->unlink_save;
1726		2247
1727	bless $self, "cf::map";	2248	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2253
1733	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1734		2256
1735	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1736	}	2294	}
1737		2295
1738	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1739		2297
1740	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2299	instantiated unique items. May block.
1742		2300
1743	=cut	2301	=cut
1744		2302
1745	sub unique_maps() {	2303	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2304	[
1747	or return;	2305	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2306	utf8::decode $_;
1753	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2309	? ()
1756	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2312	]
1758
1759	\@paths
1760	}	2313	}
1761
1762	package cf;
1763		2314
1764	=back	2315	=back
1765		2316
1766	=head3 cf::object	2317	=head3 cf::object
1767		2318
…		…
1771		2322
1772	=over 4	2323	=over 4
1773		2324
1774	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1775		2326
1776	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1777		2329
1778	=cut	2330	=cut
1779		2331
1780	sub inv_recursive_;	2332	sub inv_recursive_;
1781	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1784		2336
1785	sub inv_recursive {	2337	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1787	}	2339	}
1788		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1789	package cf;	2369	package cf;
1790		2370
1791	=back	2371	=back
1792		2372
1793	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1799	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1801	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1802		2382
1803	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1804		2398
1805	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2400	# with dialog boxes.
1807	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1808	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1810		2404
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2406
1813	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1815	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1818	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1819	}	2432	}
1820		2433
1821	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1822		2435
1823	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1836		2449
1837	=item $player_object->enter_link	2450	=item $player_object->enter_link
1838		2451
1839	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1840		2453
1841	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1842	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1843		2458
1844	Will never block.	2459	Will never block.
1845		2460
1846	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1847		2462
…		…
1870	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1871		2486
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2488
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1876		2491
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2493	}
1879		2494
1880	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1882		2499
1883	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1884		2501
1885	unless ($map) {	2502	unless ($map) {
1886	# restore original map position	2503	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1903		2520
1904	$map->load;	2521	$map->load;
1905	$map->load_diag;	2522	$map->load_neighbours;
1906		2523
1907	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1908	$self->activate_recursive;	2526	$self->activate_recursive;
1909		2527
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1912	}	2530	}
1913		2531
1914	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2533
1918	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1922	};	2538	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2539
1928	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1929	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2542
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1949		2546
1950	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2552
1953	$self->enter_link;	2553	$self->enter_link;
1954		2554
1955	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1956	my $map = eval {	2577	my $map = eval {
1957	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1959	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2593	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1964	})->prio (1);	2601	})->prio (1);
1965	}	2602	}
1966		2603
1967	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1968		2605
…		…
1988	}	2625	}
1989		2626
1990	sub prepare_random_map {	2627	sub prepare_random_map {
1991	my ($exit) = @_;	2628	my ($exit) = @_;
1992		2629
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2632	# that depends on the exit object
1998		2633
1999	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2636	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2006	}	2643	}
2007		2644
2008	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2009		2646
2010	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2013		2650
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2653	undef $fh;
2017	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2018		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2021	}	2662	}
2022	}	2663	}
2023		2664
2024	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2026		2667
2027	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2028		2669
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2670	$self->enter_link;
2041		2671
2042	(async {	2672	(async {
2043	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2044	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2045	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2046		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2047	1;	2696	1
2048	}) {	2697	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2702
2054	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2073		2722
2074	utf8::encode $text;	2723	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2725	}
2077		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2078	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2079		2881
2080	Sends an exti event to the client.	2882	Sends an ext event to the client.
2081		2883
2082	=cut	2884	=cut
2083		2885
2084	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2086		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2089	}	2913	}
2090		2914
2091	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2092		2916
2093	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2920
2097	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2922	become reliable at some point in the future.
2099		2923
2100	=cut	2924	=cut
2101		2925
2102	sub cf::client::query {	2926	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2935	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2937
2114	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2116	}	2942	}
2117		2943
2118	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2119	on_reply => sub {	2950	on_reply => sub {
2120	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2121		2952
2122	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2123	# get handled first	2954	# get handled first
…		…
2135	} else {	2966	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2968	}
2138	}	2969	}
2139	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2140	);	2997	);
2141		2998
2142	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2143		3000
2144	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2187		3044
2188	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2189		3046
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2191		3052
2192	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2193		3054
2194	=pod	3055	=pod
2195		3056
2196	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2197		3058
2198	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2199	cf::object::player player	3063	cf::object::player
2200	cf::player peaceful	3064	player
2201	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2202		3071
2203	=cut	3072	=cut
2204		3073
2205	for (	3074	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2207	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2210	) {	3081	) {
2211	no strict 'refs';	3082	no strict 'refs';
…		…
2282	=back	3153	=back
2283		3154
2284	=cut	3155	=cut
2285		3156
2286	#############################################################################	3157	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3158	# the server's init and main functions
2462		3159
2463	sub load_facedata($) {	3160	sub load_facedata($) {
2464	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3168
2466	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2467		3170
2468	my $facedata;	3171	my $facedata;
2469	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2473		3176
2474	$facedata->{version} == 2	3177	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2477	{	3187	{
2478	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2479		3189
2480	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3197
		3198	cf::cede_to_tick;
2486	}	3199	}
2487		3200
2488	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2490	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2491	or next;	3205	or next;
		3206
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3210	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3212	}
2497	Coro::cede;	3213
		3214	cf::cede_to_tick;
2498	}	3215	}
2499	}	3216	}
2500		3217
2501	{	3218	{
2502	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2503		3220
2504	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3223	cf::cede_to_tick;
2507	}	3224	}
2508		3225
2509	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2510	}	3227	}
2511		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2512	1	3264	1
2513	}	3265	}
2514		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2515	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2516	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2518	}	3317	}
2519		3318
2520	sub reload_facedata {	3319	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2533	}	3332	}
2534		3333
2535	sub reload_resources {	3334	sub reload_resources {
2536	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2537		3336
2538	reload_regions;
2539	reload_facedata;	3337	reload_facedata;
2540	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2541	reload_treasures;	3340	reload_treasures;
2542		3341
2543	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2544	}	3343	}
2545		3344
2546	sub init {	3345	sub reload_config {
2547	reload_resources;
2548	}
2549
2550	sub cfg_load {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3347	or return;
2553		3348
2554	local $/;	3349	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2556		3351
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3353
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2566	};	3361	};
2567	warn $@ if $@;	3362	warn $@ if $@;
2568	}	3363	}
2569	}	3364	}
2570		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2571	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2572	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3403	(async {
2576	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2578	};	3407	};
2579		3408
2580	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2581	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2582	load_extensions;	3427	load_extensions;
2583		3428
2584	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2585	Event::loop;	3437	EV::loop;
2586	}	3438	}
2587		3439
2588	#############################################################################	3440	#############################################################################
2589	# initialisation and cleanup	3441	# initialisation and cleanup
2590		3442
2591	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2592	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2601	},
2602	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2603	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2604	}	3537	}
2605		3538
2606	sub emergency_save() {	3539	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2608		3541
2609	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2610		3543
2611	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2612	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3558	$pl->save;
2620	}	3559	}
2621	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2622		3561
2623	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3565	$map->valid or next;
2627	$map->save;	3566	$map->save;
2628	}	3567	}
2629	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2630		3569
2631	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2634	};	3577	};
2635		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2636	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2637	}	3585	}
2638		3586
2639	sub post_cleanup {	3587	sub post_cleanup {
2640	my ($make_core) = @_;	3588	my ($make_core) = @_;
2641		3589
2642	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2644	}	3621	}
2645		3622
2646	sub do_reload_perl() {	3623	sub do_reload_perl() {
2647	# can/must only be called in main	3624	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2649	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2650	return;	3627	return;
2651	}	3628	}
2652		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2653	warn "reloading...";	3635	warn "reloading...";
2654		3636
2655	warn "entering sync_job";	3637	warn "entering sync_job";
2656		3638
2657	cf::sync_job {	3639	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3641	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2661		3643
2662	warn "syncing database to disk";	3644	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3646
2665	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2666		3648
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2678	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();
2686
2687	warn "removing commands";
2688	%COMMAND = ();
2689
2690	warn "removing ext commands";
2691	%EXTCMD = ();
2692
2693	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";
2696
2697	if (my $cb = $pkg->can ("unload")) {
2698	eval {
2699	$cb->($pkg);
2700	1
2701	} or warn "$pkg unloaded, but with errors: $@";
2702	}	3652	}
2703		3653
2704	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2705	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2706	}	3656	%EXT_CORO = ();
2707		3657
2708	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2709	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2712	warn "... unloading $k";	3667	warn "... unloading $pkg";
2713	delete $INC{$k};
2714		3668
2715	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;
2717
2718	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2719	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2720	}	3678	}
2721		3679
2722	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2723	}	3695	}
2724		3696
2725	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		3700
2729	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/pod.pm"};
2732		3704
2733	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3706	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2736		3708
2737	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2738		3710
2739	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2740	require cf;	3712	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3714
2743	warn "loading config and database again";	3715	warn "loading config and database again";
2744	cf::cfg_load;	3716	cf::reload_config;
2745		3717
2746	warn "loading extensions";	3718	warn "loading extensions";
2747	cf::load_extensions;	3719	cf::load_extensions;
2748		3720
		3721	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
2755		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
2756	warn "leaving sync_job";	3733	warn "leaving sync_job";
2757		3734
2758	1	3735	1
2759	} or do {	3736	} or do {
2760	warn $@;	3737	warn $@;
2761	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3739	};
2764		3740
2765	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
2766	};	3747	};
2767		3748
2768	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
2769		3750
2770	sub reload_perl() {	3751	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
2773		3754
2774	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	3757
2777	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	3759	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
2781	},	3761	};
2782	);	3762	};
2783	}	3763	}
2784		3764
2785	register_command "reload" => sub {	3765	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2787		3767
2788	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3772	reload_perl;
		3773	};
2791	}	3774	}
2792	};	3775	};
2793		3776
2794	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2795		3778
…		…
2797		3780
2798	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2800		3783
2801	sub wait_for_tick {	3784	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2804		3786
2805	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3789	$signal->wait;
2808	}	3790	}
2809		3791
2810	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2813		3794
2814	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3797	$signal->wait;
2817	}	3798	}
2818		3799
2819	$TICK_WATCHER = Event->timer (	3800	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2829	return;	3804	return;
2830	}	3805	}
2831		3806
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2835		3808
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3813	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3815	};
		3816	}
2846		3817
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3819	$sig->send;
2858	}	3820	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3822	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3823	}
2865	);	3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2866		3836
2867	{	3837	{
2868	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3839
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2878		3841	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		3843
2894	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3851
2897	cf::sync_job {	3852	cf::sync_job {
2898	eval {	3853	eval {
2899	BDB::db_env_open	3854	BDB::db_env_open
2900	$DB_ENV,	3855	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3859	0666;
2905		3860
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3862	};
2911		3863
2912	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3865	};
2914	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2915	}	3877	}
2916		3878
2917	{	3879	{
		3880	# configure IO::AIO
		3881
2918	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	3885	}
2931		3886
2932	my $_log_backtrace;	3887	my $_log_backtrace;
2933		3888
2934	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
2938		3893
2939	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2942	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
2943	my @bt = fork_call {	3901	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
2955	}	3913	}
2956		3914
2957	@funcs	3915	@funcs
2958	};	3916	};
2959		3917
2960	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	3921	--$_log_backtrace;
2963	};	3922	};
2964	} else {	3923	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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