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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
20	use BDB ();	50	use BDB ();
21	use Data::Dumper;	51	use Data::Dumper;
22	use Digest::MD5;	52	use Digest::MD5;
23	use Fcntl;	53	use Fcntl;
		54	use YAML ();
24	use IO::AIO 2.32 ();	55	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	56	use Time::HiRes;
27	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
28		59
		60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		67
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		69
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		71
40	our %COMMAND = ();	72	our %COMMAND = ();
41	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
42		74
43	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
47		80
		81	our $RELOAD; # number of reloads so far
48	our @EVENT;	82	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		83
51	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	85	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
		87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	99	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	105	our $DB_ENV;
61		106
62	our %CFG;	107	our %CFG;
63		108
64	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
66		112
67	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		116
76	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
79	binmode STDOUT;	125	binmode STDOUT;
80	binmode STDERR;	126	binmode STDERR;
81		127
82	# read virtual server time, if available	128	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
87	}	133	}
88		134
89	mkdir cf::localdir;	135	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		137
96	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
97		139
98	sub cf::map::normalise;	140	sub cf::map::normalise;
99		141
…		…
110	=item $cf::RUNTIME	152	=item $cf::RUNTIME
111		153
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	155	every server tick.
114		156
115	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		160
117	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
119		165
120	=item $cf::NOW	166	=item $cf::NOW
121		167
122	The time of the last (current) server tick.	168	The time of the last (current) server tick.
123		169
124	=item $cf::TICK	170	=item $cf::TICK
125		171
126	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
127		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
128	=item %cf::CFG	184	=item %cf::CFG
129		185
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	187	from wherever your confdir points to.
132		188
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		190
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
139		200
140	=back	201	=back
141		202
142	=cut	203	=cut
143		204
144	BEGIN {	205	BEGIN {
145	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	207	my $msg = join "", @_;
147	utf8::encode $msg;
148		208
149	$msg .= "\n"	209	$msg .= "\n"
150	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
151		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
152	LOG llevError, $msg;	214	LOG llevError, $msg;
153	};	215	};
154	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
155		232
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		240
163	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	242	# within the Safe compartment.
165	for my $pkg (qw(	243	for my $pkg (qw(
166	cf::global cf::attachable	244	cf::global cf::attachable
…		…
171	)) {	249	)) {
172	no strict 'refs';	250	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	252	}
175		253
176	$Event::DIED = sub {	254	$EV::DIED = sub {
177	warn "error in event callback: @_";	255	warn "error in event callback: @_";
178	};	256	};
		257
		258	#############################################################################
179		259
180	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
181		261
182	=over 4	262	=over 4
183		263
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	283	$d
204	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
205	}	285	}
206		286
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
210		288
211	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
212		290
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
221		292
222	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
223		294
224	=cut	295	=cut
225		296
226	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
228	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
230		301
231	=item cf::lock_wait $string	302	=item cf::lock_wait $string
232		303
233	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
234		305
…		…
237	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
240	returned.	311	returned.
241		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
242	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
244		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
245	=cut	323	=cut
246		324
247	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
248		327
249	sub lock_wait($) {	328	sub lock_wait($) {
250	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
251		335
252	# wait for lock, if any	336	# wait for lock, if any
253	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	339	Coro::schedule;
…		…
261		345
262	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
263	lock_wait $key;	347	lock_wait $key;
264		348
265	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
266		351
267	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
270	}	356	}
271	}	357	}
272		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
273	sub freeze_mainloop {	365	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
275		367
276	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	369	}
		370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
278	};	429	}
279	$TICK_WATCHER->stop;	430	};
280	$guard	431
		432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
281	}	444	}
282		445
283	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
284		447
285	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		453
291	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
292		455
293	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
294		457
295	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
298		462
299	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
302	fast or be very important.	466	fast or be very important.
…		…
305		469
306	sub sync_job(&) {	470	sub sync_job(&) {
307	my ($job) = @_;	471	my ($job) = @_;
308		472
309	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
310	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
312		478
313	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	480
315	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
316		482
317	my $busy = 1;	483	my $busy = 1;
318	my @res;	484	my @res;
319		485
320	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	488	@res = eval { $job->() };
322	warn $@ if $@;	489	warn $@ if $@;
323	undef $busy;	490	undef $busy;
324	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
325		492
326	while ($busy) {	493	while ($busy) {
327	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
328	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
329		504
330	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
331	} else {	506	} else {
332	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
333		508
…		…
353	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
354		529
355	$coro	530	$coro
356	}	531	}
357		532
358	sub write_runtime {	533	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		534
361	my $runtime = cf::localdir . "/runtime";	535	Executes the given code block with the given arguments in a seperate
		536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
362		539
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	=cut
364	or return;
365		541
366	my $value = $cf::RUNTIME + 90 + 10;	542	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	543	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		544
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	545	# we seemingly have to make a local copy of the whole thing,
371	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
372		548
373	# always fsync - this file is important	549	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	550	reset_signals;
375	and return;	551	&$cb
		552	}, @args;
376		553
377	close $fh	554	wantarray ? @res : $res[-1]
378	or return;	555	}
379		556
380	aio_rename "$runtime~", $runtime	557	=item $coin = coin_from_name $name
381	and return;
382		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
383	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	720	}
385		721
386	=back	722	=back
387		723
388	=cut	724	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
397		733
398	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	736	Deliantra).
401		737
402	=over 4	738	=over 4
403		739
404	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
405		741
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
569		905
570	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		910
575	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	912	my $pkg = shift @arg;
577		913
578	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
608	}	944	}
609		945
610	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
611	} else {	947	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	949	}
614		950
615	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
616	}	952	}
617		953
…		…
619	if (ref $_[0]) {	955	if (ref $_[0]) {
620	_object_attach @_;	956	_object_attach @_;
621	} else {	957	} else {
622	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
623	}	959	}
		960	_recalc_want;
624	};	961	};
625		962
626	# all those should be optimised	963	# all those should be optimised
627	sub cf::attachable::detach {	964	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
632	reattach ($obj);	969	reattach ($obj);
633	} else {	970	} else {
634	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
635	}	972	}
		973	_recalc_want;
636	};	974	};
637		975
638	sub cf::attachable::attached {	976	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
640		978
…		…
655	";	993	";
656	die if $@;	994	die if $@;
657	}	995	}
658		996
659	our $override;	997	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		999
662	sub override {	1000	sub override {
663	$override = 1;	1001	$override = 1;
664	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
665	}	1003	}
666		1004
667	sub do_invoke {	1005	sub do_invoke {
668	my $event = shift;	1006	my $event = shift;
669	my $callbacks = shift;	1007	my $callbacks = shift;
670		1008
671	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
672		1010
673	local $override;	1011	local $override;
674		1012
675	for (@$callbacks) {	1013	for (@$callbacks) {
676	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
685	}	1023	}
686		1024
687	0	1025	0
688	}	1026	}
689		1027
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1029
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1031
694	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
695		1033
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1037
700	=back	1038	=back
701		1039
702	=cut	1040	=cut
703		1041
704	#############################################################################	1042	#############################################################################
705	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
706		1086
707	sub reattach {	1087	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1089	my ($obj) = @_;
710		1090
…		…
731	cf::attachable->attach (	1111	cf::attachable->attach (
732	prio => -1000000,	1112	prio => -1000000,
733	on_instantiate => sub {	1113	on_instantiate => sub {
734	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
735		1115
736	$data = from_json $data;	1116	$data = decode_json $data;
737		1117
738	for (@$data) {	1118	for (@$data) {
739	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
740		1120
741	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1137	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
759		1139
760	sync_job {	1140	sync_job {
761	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
764		1145
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1150	aio_close $fh;
770		1151
771	if (@$objs) {	1152	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1158	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
779	}	1160	}
780	} else {	1161	} else {
781	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
782	}	1163	}
…		…
787	}	1168	}
788	} else {	1169	} else {
789	aio_unlink $filename;	1170	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
791	}	1172	}
792	}	1173	};
793	}	1174	}
794		1175
795	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
797		1178
…		…
809	or return;	1190	or return;
810		1191
811	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
813	or return;	1194	or return;
		1195
814	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
815	}	1198	}
816		1199
		1200	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
819	return ($data, $av);	1204	($data, $av)
820	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
821		1212
822	#############################################################################	1213	#############################################################################
823	# command handling &c	1214	# command handling &c
824		1215
825	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1230	}
840		1231
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1233
843	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
844		1239
845	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
846	called.	1241	called.
847		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
848	=cut	1254	=cut
849		1255
850	sub register_extcmd {	1256	sub register_extcmd {
851	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
852		1258
853	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
854	}	1266	}
855		1267
856	cf::player->attach (	1268	cf::player->attach (
857	on_command => sub {	1269	on_command => sub {
858	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1279	cf::override;
868	},	1280	},
869	on_extcmd => sub {	1281	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
871		1283
872	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1285
874	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
880	} else {	1301	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1303	}
883		1304
884	cf::override;	1305	cf::override;
885	},	1306	},
886	);	1307	);
887		1308
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
923	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1314	next unless -r $path;
925	eval {	1315
926	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
927	1	1372	}
928	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
929	}	1378	};
930	}	1379	}
931		1380
932	#############################################################################	1381	#############################################################################
933		1382
		1383	=back
		1384
934	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
935		1386
936	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
937		1388
938	=cut	1389	=cut
…		…
943		1394
944	=head3 cf::player	1395	=head3 cf::player
945		1396
946	=over 4	1397	=over 4
947		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
948	=item cf::player::find $login	1413	=item cf::player::find $login
949		1414
950	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
951		1416
952	=cut	1417	=cut
953		1418
954	sub playerdir($) {	1419	sub playerdir($) {
955	cf::localdir	1420	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1422	}
961		1423
962	sub path($) {	1424	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1426
965	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
966	}	1428	}
967		1429
968	sub find_active($) {	1430	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1445	my $login = $_[0];
984		1446
985	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
986		1448
987	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
989	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
991	}	1466	}
992	}	1467	}
993	}	1468	}
994		1469
…		…
1003	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1004		1479
1005	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1007		1482
		1483	cf::get_slot 0.01;
		1484
1008	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1009	Coro::cede;	1486	cf::cede_to_tick;
1010	}	1487	}
1011		1488
1012	sub new($) {	1489	sub new($) {
1013	my ($login) = @_;	1490	my ($login) = @_;
1014		1491
…		…
1020	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1021		1498
1022	$self	1499	$self
1023	}	1500	}
1024		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1025	=item $pl->quit_character	1512	=item $pl->quit_character
1026		1513
1027	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1029		1516
…		…
1037	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1039		1526
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1044		1533
1045	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1544
1056	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
1057	}	1546	}
1058		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
		1560	}
		1561
1059	=item cf::player::list_logins	1562	=item cf::player::list_logins
1060		1563
1061	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1063		1566
1064	=cut	1567	=cut
1065		1568
1066	sub list_logins {	1569	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1571	or return [];
1069		1572
1070	my @logins;	1573	my @logins;
1071		1574
1072	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1076		1585
1077	utf8::decode $login;	1586	utf8::decode $login;
1078	push @logins, $login;	1587	push @logins, $login;
1079	}	1588	}
1080		1589
…		…
1107	}	1616	}
1108		1617
1109	\@paths	1618	\@paths
1110	}	1619	}
1111		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1113		1715
1114	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1115		1717
1116	=cut	1718	=cut
1117		1719
1118	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1120		1722
1121	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1724	}
1125		1725
1126	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1127		1766
1128	=back	1767	=back
1129
1130		1768
1131	=head3 cf::map	1769	=head3 cf::map
1132		1770
1133	=over 4	1771	=over 4
1134		1772
…		…
1146	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1148		1786
1149	sub generate_random_map {	1787	sub generate_random_map {
1150	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1151	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1152	$self->_create_random_map (	1793	$self->_create_random_map (
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1189	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1190		1831
1191	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1192	local $self->{path};	1833	local $self->{path};
1193	local $self->{load_path};	1834	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1835
1197	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1198	}	1837	}
1199		1838
1200	sub normalise {	1839	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1248	return $self;	1887	return $self;
1249	}	1888	}
1250	}	1889	}
1251		1890
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1892	()
1254	}	1893	}
1255		1894
1256	sub init {	1895	sub init {
1257	my ($self) = @_;	1896	my ($self) = @_;
…		…
1272		1911
1273	# the original (read-only) location	1912	# the original (read-only) location
1274	sub load_path {	1913	sub load_path {
1275	my ($self) = @_;	1914	my ($self) = @_;
1276		1915
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1278	}	1917	}
1279		1918
1280	# the temporary/swap location	1919	# the temporary/swap location
1281	sub save_path {	1920	sub save_path {
1282	my ($self) = @_;	1921	my ($self) = @_;
1283		1922
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1286	}	1925	}
1287		1926
1288	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1289	sub uniq_path {	1928	sub uniq_path {
1290	my ($self) = @_;	1929	my ($self) = @_;
1291		1930
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1294	}	1933	}
1295		1934
1296	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1297	# all maps in C++...	1936	# all maps in C++...
1298	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1300		1939
1301	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1302	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1303	}	1942	}
1304		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1305	sub unlink_save {	1952	sub unlink_save {
1306	my ($self) = @_;	1953	my ($self) = @_;
1307		1954
1308	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1312		1959
1313	sub load_header_from($) {	1960	sub load_header_from($) {
1314	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1315		1962
1316	utf8::encode $path;	1963	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1322		1972
1323	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1324		1974
1325	1	1975	1
1326	}	1976	}
…		…
1365	$self->load_header_orig	2015	$self->load_header_orig
1366	or return;	2016	or return;
1367	$self->prepare_orig;	2017	$self->prepare_orig;
1368	}	2018	}
1369		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
1370	1	2026	1
1371	}	2027	}
1372		2028
1373	sub find;	2029	sub find;
1374	sub find {	2030	sub find {
1375	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1376		2032
1377	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1378		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1380		2037
1381	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1382	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1383	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1384	or return;	2043	or return;
1385		2044
1386	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1387		2046
1388	$map->load_header	2047	$map->load_header
1389	or return;	2048	or return;
1390		2049
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1394	$map->reset;	2055	$map->reset;
1395	undef $guard;
1396	return find $path;	2056	return find $path;
1397	}	2057	}
1398		2058
1399	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1400	}	2060	}
…		…
1407	my ($self) = @_;	2067	my ($self) = @_;
1408		2068
1409	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1410		2070
1411	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1412	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1413		2075
		2076	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2078
1416	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1417		2080
1418	$self->alloc;	2081	$self->alloc;
1419		2082
1420	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1421		2085
1422	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1423	or return;	2089	or return;
1424		2090
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426	if delete $self->{load_original};	2092	if delete $self->{load_original};
1427		2093
1428	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2095	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2098	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1433	}	2102	}
1434	}	2103	}
1435		2104
1436	Coro::cede;	2105	$f->resolve_delayed_derefs;
1437		2106
		2107	cf::cede_to_tick;
1438	# now do the right thing for maps	2108	# now do the right thing for maps
1439	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2111	unless $self->difficulty;
1449	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1450	$self->activate;	2121	$self->activate;
		2122	}
		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
		2127	$self->in_memory (cf::MAP_ACTIVE);
1451	}	2128	}
1452		2129
1453	$self->post_load;	2130	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	2131	}
1457		2132
1458	sub customise_for {	2133	sub customise_for {
1459	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1460		2135
1461	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2137	if $self->per_player;
1463		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1464	$self	2142	$self
1465	}	2143	}
1466		2144
1467	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2146	sub load_neighbours {
1469	my ($map) = @_;	2147	my ($map) = @_;
1470		2148
1471	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1472		2150
1473	for (0 .. 3) {	2151	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1475	or next;	2153	or next;
1476	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1477	or next;	2155	or next;
1478	$neigh->load;	2156	$neigh->load;
1479		2157
		2158	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2161	}
1483		2162
1484	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1486	or next;	2166	or next;
1487	$neigh->load;	2167	$neigh->load;
1488	}	2168	}
1489	}	2169	}
1490		2170
…		…
1495	}	2175	}
1496		2176
1497	sub do_load_sync {	2177	sub do_load_sync {
1498	my ($map) = @_;	2178	my ($map) = @_;
1499		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1500	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1501	}	2184	}
1502		2185
1503	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1505		2188
1506	sub find_async {	2189	sub find_async {
1507	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1508		2191
1509	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1510		2193
1511	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513	}	2196	}
1514		2197
1515	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1516	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1517	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2205	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2206	$map->load if $v;
		2207	}
1522		2208
1523	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1524	}	2210	}
1525	}	2211	}
1526	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1527	};	2213	};
1528	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1531	}	2217	}
1532		2218
1533	sub save {	2219	sub save {
1534	my ($self) = @_;	2220	my ($self) = @_;
1535		2221
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1537		2223
1538	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1539		2225
1540	return unless $self->dirty;	2226	return unless $self->dirty;
1541		2227
…		…
1547	return if $self->{deny_save};	2233	return if $self->{deny_save};
1548		2234
1549	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1550		2236
1551	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1553	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1554		2243
1555	if ($uniq) {	2244	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2247	} else {
…		…
1564	my ($self) = @_;	2253	my ($self) = @_;
1565		2254
1566	# save first because save cedes	2255	# save first because save cedes
1567	$self->save;	2256	$self->save;
1568		2257
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2259
1571	return if $self->players;	2260	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1573	return if $self->{deny_save};	2262	return if $self->{deny_save};
1574		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1575	$self->clear;	2268	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2269	}
1578		2270
1579	sub reset_at {	2271	sub reset_at {
1580	my ($self) = @_;	2272	my ($self) = @_;
1581		2273
1582	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1585		2276
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2279
…		…
1599	my ($self) = @_;	2290	my ($self) = @_;
1600		2291
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2293
1603	return if $self->players;	2294	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2295
1606	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
1607		2297
1608	$self->in_memory (cf::MAP_SWAPPED);	2298	$self->in_memory (cf::MAP_SWAPPED);
1609		2299
1610	# need to save uniques path	2300	# need to save uniques path
1611	unless ($self->{deny_save}) {	2301	unless ($self->{deny_save}) {
…		…
1615	if $uniq;	2305	if $uniq;
1616	}	2306	}
1617		2307
1618	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1619		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2312	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2313
1624	$self->unlink_save;	2314	$self->unlink_save;
1625	$self->destroy;	2315	$self->destroy;
1626	}	2316	}
1627		2317
1628	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1629		2319
1630	sub nuke {	2320	sub nuke {
1631	my ($self) = @_;	2321	my ($self) = @_;
1632		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1633	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1634		2327
1635	$self->unlink_save;	2328	$self->unlink_save;
1636		2329
1637	bless $self, "cf::map";	2330	bless $self, "cf::map";
1638	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2335
1643	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1644		2338
1645	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1646	}	2376	}
1647		2377
1648	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1649		2379
1650	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2381	instantiated unique items. May block.
1652		2382
1653	=cut	2383	=cut
1654		2384
1655	sub unique_maps() {	2385	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1657	or return;	2387	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2388	utf8::decode $_;
1663	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2391	? ()
1666	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2394	]
1668
1669	\@paths
1670	}	2395	}
1671
1672	package cf;
1673		2396
1674	=back	2397	=back
1675		2398
1676	=head3 cf::object	2399	=head3 cf::object
1677		2400
…		…
1681		2404
1682	=over 4	2405	=over 4
1683		2406
1684	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1685		2408
1686	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1687		2411
1688	=cut	2412	=cut
1689		2413
1690	sub inv_recursive_;	2414	sub inv_recursive_;
1691	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1694		2418
1695	sub inv_recursive {	2419	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1697	}	2421	}
1698		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1699	package cf;	2451	package cf;
1700		2452
1701	=back	2453	=back
1702		2454
1703	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1712		2464
1713	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1714		2480
1715	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2482	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1720		2486
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2488
1723	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1725	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1728	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1729	}	2514	}
1730		2515
1731	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1732		2517
1733	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1780	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1781		2566
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2568
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1786		2571
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2573	}
1789		2574
1790	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1792		2579
1793	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1794		2581
1795	unless ($map) {	2582	unless ($map) {
1796	# restore original map position	2583	# restore original map position
…		…
1810	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1813		2600
1814	$map->load;	2601	$map->load;
1815	$map->load_diag;	2602	$map->load_neighbours;
1816		2603
1817	return unless $self->contr->active;	2604	return unless $self->contr->active;
1818	$self->activate_recursive;	2605	$self->activate_recursive;
1819		2606
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1822	}	2609	}
1823		2610
1824	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1825	on_logout => sub {
1826	my ($pl) = @_;
1827		2612
1828	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1829	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1830	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1832	};	2617	be called at the end of this process.
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2618
1838	# try to abort aborted map switching on player login :)
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855
1856	=item $player_object->goto ($path, $x, $y)
1857
1858	=cut	2619	=cut
		2620
		2621	our $GOTOGEN;
1859		2622
1860	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2624	my ($self, $path, $x, $y, $check, $done) = @_;
		2625
		2626	# do generation counting so two concurrent goto's will be executed in-order
		2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2628
1863	$self->enter_link;	2629	$self->enter_link;
1864		2630
1865	(async {	2631	(async {
		2632	$Coro::current->{desc} = "player::goto $path $x $y";
		2633
		2634	# *tag paths override both path and x|y
		2635	if ($path =~ /^\*(.*)$/) {
		2636	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2637	my $ob = $obs[rand @obs];
		2638
		2639	# see if we actually can go there
		2640	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2641	$ob = $obs[rand @obs];
		2642	} else {
		2643	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645	# else put us there anyways for now #d#
		2646
		2647	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2648	} else {
		2649	($path, $x, $y) = (undef, undef, undef);
		2650	}
		2651	}
		2652
1866	my $map = eval {	2653	my $map = eval {
1867	my $map = cf::map::find $path;	2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
		2658	$map = $check->($map) if $check && $map;
		2659	} else {
		2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
		2662
1869	$map	2663	$map
		2664	};
		2665
		2666	if ($@) {
		2667	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2669	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1874	})->prio (1);	2677	})->prio (1);
1875	}	2678	}
1876		2679
1877	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
1878		2681
…		…
1898	}	2701	}
1899		2702
1900	sub prepare_random_map {	2703	sub prepare_random_map {
1901	my ($exit) = @_;	2704	my ($exit) = @_;
1902		2705
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2708	# that depends on the exit object
1908		2709
1909	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2712	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2713	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
1916	}	2719	}
1917		2720
1918	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
1919		2722
1920	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
1923		2726
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2729	undef $fh;
1927	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
1928		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
1931	}	2738	}
1932	}	2739	}
1933		2740
1934	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
1936		2743
1937	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
1938		2745
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2746	$self->enter_link;
1949		2747
1950	(async {	2748	(async {
1951	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
1952	unless (eval {	2751	unless (eval {
		2752	$self->deactivate_recursive; # just to be sure
		2753
		2754	# random map handling
		2755	{
		2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2757
		2758	prepare_random_map $exit
		2759	if $exit->slaying eq "/!";
		2760	}
		2761
		2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
		2765
1953	$self->goto ($slaying, $hp, $sp);	2766	$self->goto ($map, $x, $y);
1954		2767
		2768	# if exit is damned, update players death & WoR home-position
		2769	$self->contr->savebed ($map, $x, $y)
		2770	if $exit->flag (cf::FLAG_DAMNED);
		2771
1955	1;	2772	1
1956	}) {	2773	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
1958	. "I'll try to bring you back to the map you were before. "	2775	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2778
1962	warn "ERROR in enter_exit: $@";	2779	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2780	$self->leave_link;
1964	}	2781	}
1965	})->prio (1);	2782	})->prio (1);
…		…
1978		2795
1979	sub cf::client::send_drawinfo {	2796	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2797	my ($self, $text, $flags) = @_;
1981		2798
1982	utf8::encode $text;	2799	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2801	}
1985		2802
		2803	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2804
		2805	Send a drawinfo or msg packet to the client, formatting the msg for the
		2806	client if neccessary. C<$type> should be a string identifying the type of
		2807	the message, with C<log> being the default. If C<$color> is negative, suppress
		2808	the message unless the client supports the msg packet.
		2809
		2810	=cut
		2811
		2812	# non-persistent channels (usually the info channel)
		2813	our %CHANNEL = (
		2814	"c/identify" => {
		2815	id => "infobox",
		2816	title => "Identify",
		2817	reply => undef,
		2818	tooltip => "Items recently identified",
		2819	},
		2820	"c/examine" => {
		2821	id => "infobox",
		2822	title => "Examine",
		2823	reply => undef,
		2824	tooltip => "Signs and other items you examined",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/uptime" => {
		2851	id => "infobox",
		2852	title => "Uptime",
		2853	reply => undef,
		2854	tooltip => "How long the server has been running since last restart",
		2855	},
		2856	"c/mapinfo" => {
		2857	id => "infobox",
		2858	title => "Map Info",
		2859	reply => undef,
		2860	tooltip => "Information related to the maps",
		2861	},
		2862	"c/party" => {
		2863	id => "party",
		2864	title => "Party",
		2865	reply => "gsay ",
		2866	tooltip => "Messages and chat related to your party",
		2867	},
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg);
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883
		2884	$channel = $channel->{id};
		2885
		2886	} elsif (ref $channel) {
		2887	# send meta info to client, if not yet sent
		2888	unless (exists $self->{channel}{$channel->{id}}) {
		2889	$self->{channel}{$channel->{id}} = $channel;
		2890	$self->ext_msg (channel_info => $channel)
		2891	if $self->can_msg;
		2892	}
		2893
		2894	$channel = $channel->{id};
		2895	}
		2896
		2897	return unless @extra || length $msg;
		2898
		2899	if ($self->can_msg) {
		2900	# default colour, mask it out
		2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2902	if $color & cf::NDI_DEF;
		2903
		2904	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2906	} else {
		2907	if ($color >= 0) {
		2908	# replace some tags by gcfclient-compatible ones
		2909	for ($msg) {
		2910	1 while
		2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2916	}
		2917
		2918	$color &= cf::NDI_COLOR_MASK;
		2919
		2920	utf8::encode $msg;
		2921
		2922	if (0 && $msg =~ /\[/) {
		2923	# COMMAND/INFO
		2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2925	} else {
		2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2927	$self->send_packet ("drawinfo $color $msg")
		2928	}
		2929	}
		2930	}
		2931	}
		2932
		2933	=item $client->ext_msg ($type, @msg)
		2934
		2935	Sends an ext event to the client.
		2936
		2937	=cut
		2938
		2939	sub cf::client::ext_msg($$@) {
		2940	my ($self, $type, @msg) = @_;
		2941
		2942	if ($self->extcmd == 2) {
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2944	} elsif ($self->extcmd == 1) { # TODO: remove
		2945	push @msg, msgtype => "event_$type";
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
		2949
		2950	=item $client->ext_reply ($msgid, @msg)
		2951
		2952	Sends an ext reply to the client.
		2953
		2954	=cut
		2955
		2956	sub cf::client::ext_reply($$@) {
		2957	my ($self, $id, @msg) = @_;
		2958
		2959	if ($self->extcmd == 2) {
		2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2961	} elsif ($self->extcmd == 1) {
		2962	#TODO: version 1, remove
		2963	unshift @msg, msgtype => "reply", msgid => $id;
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2965	}
		2966	}
1986		2967
1987	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
1988		2969
1989	Queues a query to the client, calling the given callback with	2970	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2971	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2972	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		2973
1993	Queries can fail, so check the return code. Or don't, as queries will become	2974	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	2975	become reliable at some point in the future.
1995		2976
1996	=cut	2977	=cut
1997		2978
1998	sub cf::client::query {	2979	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	2988	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		2990
2010	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
2012	}	2995	}
2013		2996
2014	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
2015	on_reply => sub {	3003	on_reply => sub {
2016	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
2017		3005
2018	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
2019	# get handled first	3007	# get handled first
…		…
2031	} else {	3019	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	3021	}
2034	}	3022	}
2035	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($ns, $buf) = @_;
		3026
		3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3028
		3029	if (ref $msg) {
		3030	my ($type, $reply, @payload) =
		3031	"ARRAY" eq ref $msg
		3032	? @$msg
		3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3034
		3035	my @reply;
		3036
		3037	if (my $cb = $EXTICMD{$type}) {
		3038	@reply = $cb->($ns, @payload);
		3039	}
		3040
		3041	$ns->ext_reply ($reply, @reply)
		3042	if $reply;
		3043
		3044	} else {
		3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3046	}
		3047
		3048	cf::override;
		3049	},
2036	);	3050	);
2037		3051
2038	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
2039		3053
2040	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2081	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2083		3097
2084	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2085		3099
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2087		3105
2088	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2089		3107
2090	=pod	3108	=pod
2091		3109
2092	The following fucntions and emthods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2093		3111
2094	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2095	cf::object::player player	3116	cf::object::player
2096	cf::player peaceful	3117	player
2097	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2098		3124
2099	=cut	3125	=cut
2100		3126
2101	for (	3127	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2103	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2105	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2106	) {	3134	) {
2107	no strict 'refs';	3135	no strict 'refs';
…		…
2178	=back	3206	=back
2179		3207
2180	=cut	3208	=cut
2181		3209
2182	#############################################################################	3210	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	3211	# the server's init and main functions
2256		3212
2257	sub init_resources {	3213	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3214	my ($path) = @_;
		3215
		3216	# HACK to clear player env face cache, we need some signal framework
		3217	# for this (global event?)
		3218	%ext::player_env::MUSIC_FACE_CACHE = ();
		3219
		3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3221
		3222	warn "loading facedata from $path\n";
		3223
		3224	my $facedata;
		3225	0 < aio_load $path, $facedata
		3226	or die "$path: $!";
		3227
		3228	$facedata = Coro::Storable::thaw $facedata;
		3229
		3230	$facedata->{version} == 2
		3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3232
		3233	# patch in the exptable
		3234	$facedata->{resource}{"res/exp_table"} = {
		3235	type => FT_RSRC,
		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3237	};
		3238	cf::cede_to_tick;
		3239
		3240	{
		3241	my $faces = $facedata->{faceinfo};
		3242
		3243	while (my ($face, $info) = each %$faces) {
		3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3245
		3246	cf::face::set_visibility $idx, $info->{visibility};
		3247	cf::face::set_magicmap $idx, $info->{magicmap};
		3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253
		3254	while (my ($face, $info) = each %$faces) {
		3255	next unless $info->{smooth};
		3256
		3257	my $idx = cf::face::find $face
		3258	or next;
		3259
		3260	if (my $smooth = cf::face::find $info->{smooth}) {
		3261	cf::face::set_smooth $idx, $smooth;
		3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3263	} else {
		3264	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	{
		3272	my $anims = $facedata->{animinfo};
		3273
		3274	while (my ($anim, $info) = each %$anims) {
		3275	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3276	cf::cede_to_tick;
		3277	}
		3278
		3279	cf::anim::invalidate_all; # d'oh
		3280	}
		3281
		3282	{
		3283	# TODO: for gcfclient pleasure, we should give resources
		3284	# that gcfclient doesn't grok a >10000 face index.
		3285	my $res = $facedata->{resource};
		3286
		3287	while (my ($name, $info) = each %$res) {
		3288	if (defined $info->{type}) {
		3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3290	my $data;
		3291
		3292	if ($info->{type} & 1) {
		3293	# prepend meta info
		3294
		3295	my $meta = $enc->encode ({
		3296	name => $name,
		3297	%{ $info->{meta} || {} },
		3298	});
		3299
		3300	$data = pack "(w/a*)*", $meta, $info->{data};
		3301	} else {
		3302	$data = $info->{data};
		3303	}
		3304
		3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3306	cf::face::set_type $idx, $info->{type};
		3307	} else {
		3308	$RESOURCE{$name} = $info;
		3309	}
		3310
		3311	cf::cede_to_tick;
		3312	}
		3313	}
		3314
		3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3316
		3317	1
		3318	}
		3319
		3320	cf::global->attach (on_resource_update => sub {
		3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3323
		3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3325	my $sound = $soundconf->{compat}[$_]
		3326	or next;
		3327
		3328	my $face = cf::face::find "sound/$sound->[1]";
		3329	cf::sound::set $sound->[0] => $face;
		3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3331	}
		3332
		3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3334	my $face = cf::face::find "sound/$v";
		3335	cf::sound::set $k => $face;
		3336	}
		3337	}
		3338	});
		3339
		3340	register_exticmd fx_want => sub {
		3341	my ($ns, $want) = @_;
		3342
		3343	while (my ($k, $v) = each %$want) {
		3344	$ns->fx_want ($k, $v);
		3345	}
		3346	};
		3347
		3348	sub load_resource_file($) {
		3349	my $guard = lock_acquire "load_resource_file";
		3350
		3351	my $status = load_resource_file_ $_[0];
		3352	get_slot 0.1, 100;
		3353	cf::arch::commit_load;
		3354
		3355	$status
		3356	}
		3357
		3358	sub reload_regions {
		3359	# HACK to clear player env face cache, we need some signal framework
		3360	# for this (global event?)
		3361	%ext::player_env::MUSIC_FACE_CACHE = ();
		3362
		3363	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3364	or die "unable to load regions file\n";
2260	}
2261		3365
2262	sub cfg_load {	3366	for (cf::region::list) {
		3367	$_->{match} = qr/$_->{match}/
		3368	if exists $_->{match};
		3369	}
		3370	}
		3371
		3372	sub reload_facedata {
		3373	load_facedata "$DATADIR/facedata"
		3374	or die "unable to load facedata\n";
		3375	}
		3376
		3377	sub reload_archetypes {
		3378	load_resource_file "$DATADIR/archetypes"
		3379	or die "unable to load archetypes\n";
		3380	}
		3381
		3382	sub reload_treasures {
		3383	load_resource_file "$DATADIR/treasures"
		3384	or die "unable to load treasurelists\n";
		3385	}
		3386
		3387	sub reload_resources {
		3388	warn "reloading resource files...\n";
		3389
		3390	reload_facedata;
		3391	reload_archetypes;
		3392	reload_regions;
		3393	reload_treasures;
		3394
		3395	warn "finished reloading resource files\n";
		3396	}
		3397
		3398	sub init {
		3399	my $guard = freeze_mainloop;
		3400
		3401	evthread_start IO::AIO::poll_fileno;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	3408	or return;
2265		3409
2266	local $/;	3410	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2268		3412
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2270		3414
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2278	};	3422	};
2279	warn $@ if $@;	3423	warn $@ if $@;
2280	}	3424	}
2281	}	3425	}
2282		3426
2283	sub init {
2284	init_resources;
2285	}
2286
2287	sub main {	3427	sub main {
2288	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3431	(async {
2292	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2294	};	3435	};
2295		3436
2296	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2297	db_init;	3440	db_init;
2298	load_extensions;	3441	load_extensions;
2299		3442
2300	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2301	Event::loop;	3446	EV::loop;
2302	}	3447	}
2303		3448
2304	#############################################################################	3449	#############################################################################
2305	# initialisation and cleanup	3450	# initialisation and cleanup
2306		3451
2307	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2308	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2317	},
2318	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2319	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2320	}	3541	}
2321		3542
2322	sub emergency_save() {	3543	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2324		3545
…		…
2330	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2332	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3557	$pl->save;
2336	}	3558	}
2337	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2338		3560
2339	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2345	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2346		3568
2347	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2350	};	3576	};
2351		3577
2352	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2353	}	3579	}
2354		3580
…		…
2357		3583
2358	warn Carp::longmess "post_cleanup backtrace"	3584	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3585	if $make_core;
2360	}	3586	}
2361		3587
2362	sub reload() {	3588	sub do_reload_perl() {
2363	# can/must only be called in main	3589	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2366	return;	3592	return;
2367	}	3593	}
…		…
2369	warn "reloading...";	3595	warn "reloading...";
2370		3596
2371	warn "entering sync_job";	3597	warn "entering sync_job";
2372		3598
2373	cf::sync_job {	3599	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2375	cf::emergency_save;	3601	cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2377		3603
2378	warn "syncing database to disk";	3604	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2380		3606
2381	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2382
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387		3608
2388	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2389	for (;;) {	3610	for (;;) {
2390	BDB::flush;	3611	BDB::flush;
2391	IO::AIO::flush;	3612	IO::AIO::flush;
2392	Coro::cede;	3613	Coro::cede_notself;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";	3615	warn "iterate...";
2395	}	3616	}
		3617
		3618	++$RELOAD;
2396		3619
2397	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	3622	%EXT_CORO = ();
2400		3623
2401	warn "removing commands";	3624	warn "removing commands";
2402	%COMMAND = ();	3625	%COMMAND = ();
2403		3626
2404	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2405	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2406		3630
2407	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2410		3634
…		…
2440	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3666
2443	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2445		3670
2446	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3672	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2449		3674
…		…
2452	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2453	require cf;	3678	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2455		3680
2456	warn "loading config and database again";	3681	warn "loading config and database again";
2457	cf::cfg_load;	3682	cf::reload_config;
2458		3683
2459	warn "loading extensions";	3684	warn "loading extensions";
2460	cf::load_extensions;	3685	cf::load_extensions;
2461		3686
2462	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2463	_global_reattach;	3688	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
2466		3691	warn "reattaching attachments to players";
2467	warn "loading reloadable resources";	3692	reattach $_ for values %PLAYER;
2468	init_resources;
2469		3693
2470	warn "leaving sync_job";	3694	warn "leaving sync_job";
2471		3695
2472	1	3696	1
2473	} or do {	3697	} or do {
2474	warn $@;	3698	warn $@;
2475	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2476	exit 1;
2477	};	3700	};
2478		3701
2479	warn "reloaded";	3702	warn "reloaded";
2480	};	3703	};
2481		3704
2482	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2483		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2484	register_command "reload" => sub {	3717	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2486		3719
2487	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2489		3722	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	3724	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	3725	};
2502	}	3726	}
2503	};	3727	};
2504		3728
2505	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2506		3730
2507	my $bug_warning = 0;	3731	my $bug_warning = 0;
2508		3732
2509	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2510	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2511	parked => 1,	3735
2512	prio => 0,	3736	sub wait_for_tick {
2513	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2514	data => WF_AUTOCANCEL,	3738
2515	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2516	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2519	return;	3756	return;
2520	}	3757	}
2521		3758
2522	$NOW = Event::time;
2523
2524	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		3760
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	3765	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2533	};
2534	}	3767	};
2535
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#
2541
2542	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;
2547	},	3768	}
2548	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2549		3788
2550	{	3789	{
2551	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	3791
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2561		3793	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		3795
2577	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		3802
2580	cf::sync_job {	3803	cf::sync_job {
2581	eval {	3804	eval {
2582	BDB::db_env_open	3805	BDB::db_env_open
2583	$DB_ENV,	3806	$DB_ENV,
2584	$BDB_ENV_DIR,	3807	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3810	0666;
2588		3811
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	3813	};
2594		3814
2595	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	3816	};
2597	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2598	}	3828	}
2599		3829
2600	{	3830	{
		3831	# configure IO::AIO
		3832
2601	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	3835	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2614		3880
2615	END { cf::emergency_save }	3881	END { cf::emergency_save }
2616		3882
2617	1	3883	1
2618		3884

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