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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::AnyEvent;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
20	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
21		48
		49	use JSON::XS 2.01 ();
22	use BDB ();	50	use BDB ();
23	use Data::Dumper;	51	use Data::Dumper;
24	use Digest::MD5;	52	use Digest::MD5;
25	use Fcntl;	53	use Fcntl;
26	use YAML::Syck ();	54	use YAML ();
27	use IO::AIO 2.32 ();	55	use IO::AIO ();
28	use Time::HiRes;	56	use Time::HiRes;
29	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
30		61
31	# configure various modules to our taste	62	# configure various modules to our taste
32	#	63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		67
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		69
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		71
45	our %COMMAND = ();	72	our %COMMAND = ();
46	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
47		74
48	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
52		80
53	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
54	our @EVENT;	82	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		83
57	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	85	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	99	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	105	our $DB_ENV;
67		106
68	our %CFG;	107	our %CFG;
69		108
70	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
72		112
73	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		116
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		124
85	binmode STDOUT;	125	binmode STDOUT;
86	binmode STDERR;	126	binmode STDERR;
87		127
88	# read virtual server time, if available	128	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
93	}	133	}
94		134
95	mkdir cf::localdir;	135	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		137
102	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
103		139
104	sub cf::map::normalise;	140	sub cf::map::normalise;
105		141
…		…
116	=item $cf::RUNTIME	152	=item $cf::RUNTIME
117		153
118	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
119	every server tick.	155	every server tick.
120		156
121	=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
122		160
123	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		165
126	=item $cf::NOW	166	=item $cf::NOW
127		167
128	The time of the last (current) server tick.	168	The time of the last (current) server tick.
129		169
130	=item $cf::TICK	170	=item $cf::TICK
131		171
132	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	184	=item %cf::CFG
135		185
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	187	from wherever your confdir points to.
138		188
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		190
141	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
142	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
143	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.
144	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.
145		200
146	=back	201	=back
147		202
148	=cut	203	=cut
149		204
150	BEGIN {	205	BEGIN {
151	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	207	my $msg = join "", @_;
153	utf8::encode $msg;
154		208
155	$msg .= "\n"	209	$msg .= "\n"
156	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
157		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
158	LOG llevError, $msg;	214	LOG llevError, $msg;
159	};	215	};
160	}	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#?
161		232
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		240
169	# 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
170	# within the Safe compartment.	242	# within the Safe compartment.
171	for my $pkg (qw(	243	for my $pkg (qw(
172	cf::global cf::attachable	244	cf::global cf::attachable
…		…
177	)) {	249	)) {
178	no strict 'refs';	250	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	252	}
181		253
182	$Event::DIED = sub {	254	$EV::DIED = sub {
183	warn "error in event callback: @_";	255	warn "error in event callback: @_";
184	};	256	};
		257
		258	#############################################################################
185		259
186	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
187		261
188	=over 4	262	=over 4
189		263
…		…
208	$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;
209	$d	283	$d
210	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
211	}	285	}
212		286
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
216		288
217	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
218		290
219	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
220		292
221	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
		294
		295	=cut
		296
		297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		298
		299	sub encode_json($) { $json_coder->encode ($_[0]) }
		300	sub decode_json($) { $json_coder->decode ($_[0]) }
222		301
223	=item cf::lock_wait $string	302	=item cf::lock_wait $string
224		303
225	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
226		305
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
232	returned.	311	returned.
233		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
234	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
235	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
236		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
237	=cut	323	=cut
238		324
239	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
240		327
241	sub lock_wait($) {	328	sub lock_wait($) {
242	my ($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#
243		335
244	# wait for lock, if any	336	# wait for lock, if any
245	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	339	Coro::schedule;
…		…
253		345
254	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
255	lock_wait $key;	347	lock_wait $key;
256		348
257	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
258		351
259	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
262	}	356	}
263	}	357	}
264		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
265	sub freeze_mainloop {	365	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
267		367
268	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
269	$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($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
270	};	429	}
271	$TICK_WATCHER->stop;	430	};
272	$guard	431
		432	sub get_slot($;$$) {
		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	$sig->wait;
273	}	444	}
274		445
275	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
276		447
277	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		453
283	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
284		455
285	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
286		457
287	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
290		462
291	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
294	fast or be very important.	466	fast or be very important.
…		…
297		469
298	sub sync_job(&) {	470	sub sync_job(&) {
299	my ($job) = @_;	471	my ($job) = @_;
300		472
301	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
302	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
304		478
305	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	480
307	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
308		482
309	my $busy = 1;	483	my $busy = 1;
310	my @res;	484	my @res;
311		485
312	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	488	@res = eval { $job->() };
314	warn $@ if $@;	489	warn $@ if $@;
315	undef $busy;	490	undef $busy;
316	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
317		492
318	while ($busy) {	493	while ($busy) {
319	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
320	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
321		504
322	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
323	} else {	506	} else {
324	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
325		508
…		…
345	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
346		529
347	$coro	530	$coro
348	}	531	}
349		532
350	sub write_runtime {	533	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		534
353	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.
354		539
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	=cut
356	or return;
357		541
358	my $value = $cf::RUNTIME + 90 + 10;	542	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	543	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		544
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	545	# we seemingly have to make a local copy of the whole thing,
363	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
364		548
365	# always fsync - this file is important	549	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	550	reset_signals;
367	and return;	551	&$cb
		552	}, @args;
368		553
369	close $fh	554	wantarray ? @res : $res[-1]
370	or return;	555	}
371		556
372	aio_rename "$runtime~", $runtime	557	=item $coin = coin_from_name $name
373	and return;
374		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		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($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
375	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		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"
376	}	709	}
377		710
378	=item cf::datalog type => key => value, ...	711	=item cf::datalog type => key => value, ...
379		712
380	Log a datalog packet of the given type with the given key-value pairs.	713	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
400		733
401	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>
402	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
403	crossfire+).	736	Deliantra).
404		737
405	=over 4	738	=over 4
406		739
407	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
408		741
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
572		905
573	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		910
578	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	912	my $pkg = shift @arg;
580		913
581	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
611	}	944	}
612		945
613	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
614	} else {	947	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	949	}
617		950
618	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
619	}	952	}
620		953
…		…
622	if (ref $_[0]) {	955	if (ref $_[0]) {
623	_object_attach @_;	956	_object_attach @_;
624	} else {	957	} else {
625	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
626	}	959	}
		960	_recalc_want;
627	};	961	};
628		962
629	# all those should be optimised	963	# all those should be optimised
630	sub cf::attachable::detach {	964	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
635	reattach ($obj);	969	reattach ($obj);
636	} else {	970	} else {
637	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
638	}	972	}
		973	_recalc_want;
639	};	974	};
640		975
641	sub cf::attachable::attached {	976	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
643		978
…		…
658	";	993	";
659	die if $@;	994	die if $@;
660	}	995	}
661		996
662	our $override;	997	our $override;
663	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?
664		999
665	sub override {	1000	sub override {
666	$override = 1;	1001	$override = 1;
667	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
668	}	1003	}
669		1004
670	sub do_invoke {	1005	sub do_invoke {
671	my $event = shift;	1006	my $event = shift;
672	my $callbacks = shift;	1007	my $callbacks = shift;
673		1008
674	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
675		1010
676	local $override;	1011	local $override;
677		1012
678	for (@$callbacks) {	1013	for (@$callbacks) {
679	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
688	}	1023	}
689		1024
690	0	1025	0
691	}	1026	}
692		1027
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1029
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
698		1033
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1037
703	=back	1038	=back
704		1039
705	=cut	1040	=cut
706		1041
707	#############################################################################	1042	#############################################################################
708	# 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, $ob2
		1085	}
709		1086
710	sub reattach {	1087	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1089	my ($obj) = @_;
713		1090
…		…
734	cf::attachable->attach (	1111	cf::attachable->attach (
735	prio => -1000000,	1112	prio => -1000000,
736	on_instantiate => sub {	1113	on_instantiate => sub {
737	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
738		1115
739	$data = from_json $data;	1116	$data = decode_json $data;
740		1117
741	for (@$data) {	1118	for (@$data) {
742	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
743		1120
744	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1137	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
762		1139
763	sync_job {	1140	sync_job {
764	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
767		1145
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1150	aio_close $fh;
773		1151
774	if (@$objs) {	1152	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1158	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
782	}	1160	}
783	} else {	1161	} else {
784	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
785	}	1163	}
…		…
790	}	1168	}
791	} else {	1169	} else {
792	aio_unlink $filename;	1170	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
794	}	1172	}
795	}	1173	};
796	}	1174	}
797		1175
798	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
800		1178
…		…
812	or return;	1190	or return;
813		1191
814	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
816	or return;	1194	or return;
		1195
817	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
818	}	1198	}
819		1199
		1200	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
822	return ($data, $av);	1204	($data, $av)
823	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
824		1212
825	#############################################################################	1213	#############################################################################
826	# command handling &c	1214	# command handling &c
827		1215
828	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1230	}
843		1231
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1233
846	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.
847		1239
848	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
849	called.	1241	called.
850		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
851	=cut	1254	=cut
852		1255
853	sub register_extcmd {	1256	sub register_extcmd {
854	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
855		1258
856	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
857	}	1266	}
858		1267
859	cf::player->attach (	1268	cf::player->attach (
860	on_command => sub {	1269	on_command => sub {
861	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1279	cf::override;
871	},	1280	},
872	on_extcmd => sub {	1281	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
874		1283
875	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1285
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
883	} else {	1301	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1303	}
886		1304
887	cf::override;	1305	cf::override;
888	},	1306	},
889	);	1307	);
890		1308
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
926	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1314	next unless -r $path;
928	eval {	1315
929	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	$progress = 1;
930	1	1372	}
931	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
932	}	1378	};
933	}	1379	}
934		1380
935	#############################################################################	1381	#############################################################################
936		1382
		1383	=back
		1384
937	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
938		1386
939	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
940		1388
941	=cut	1389	=cut
…		…
946		1394
947	=head3 cf::player	1395	=head3 cf::player
948		1396
949	=over 4	1397	=over 4
950		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
951	=item cf::player::find $login	1413	=item cf::player::find $login
952		1414
953	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
954		1416
955	=cut	1417	=cut
956		1418
957	sub playerdir($) {	1419	sub playerdir($) {
958	cf::localdir	1420	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1422	}
964		1423
965	sub path($) {	1424	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1426
968	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
969	}	1428	}
970		1429
971	sub find_active($) {	1430	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1445	my $login = $_[0];
987		1446
988	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
989		1448
990	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
994	}	1466	}
995	}	1467	}
996	}	1468	}
997		1469
…		…
1006	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1007		1479
1008	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1010		1482
		1483	cf::get_slot 0.01;
		1484
1011	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1012	Coro::cede;	1486	cf::cede_to_tick;
1013	}	1487	}
1014		1488
1015	sub new($) {	1489	sub new($) {
1016	my ($login) = @_;	1490	my ($login) = @_;
1017		1491
…		…
1023	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1024		1498
1025	$self	1499	$self
1026	}	1500	}
1027		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
1028	=item $pl->quit_character	1512	=item $pl->quit_character
1029		1513
1030	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
1031	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1032		1516
…		…
1040	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1041	$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
1042		1526
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1047		1533
1048	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1080		1566
1081	=cut	1567	=cut
1082		1568
1083	sub list_logins {	1569	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1571	or return [];
1086		1572
1087	my @logins;	1573	my @logins;
1088		1574
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1093		1585
1094	utf8::decode $login;	1586	utf8::decode $login;
1095	push @logins, $login;	1587	push @logins, $login;
1096	}	1588	}
1097		1589
…		…
1124	}	1616	}
1125		1617
1126	\@paths	1618	\@paths
1127	}	1619	}
1128		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
1129	=item $player->ext_reply ($msgid, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1130		1715
1131	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1132		1717
1133	=cut	1718	=cut
1134		1719
1135	sub ext_reply($$%) {	1720	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1137		1722
1138	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1724	}
1142		1725
1143	=item $player->ext_event ($type, %msg)	1726	=item $player->ext_msg ($type, @msg)
1144		1727
1145	Sends an ext event to the client.	1728	Sends an ext event to the client.
1146		1729
1147	=cut	1730	=cut
1148		1731
1149	sub ext_event($$%) {	1732	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1733	my ($self, $type, @msg) = @_;
1151		1734
1152	delete $msg{msgid};	1735	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1736	}
1158		1737
1159	package cf;	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	}
1160		1766
1161	=back	1767	=back
1162
1163		1768
1164	=head3 cf::map	1769	=head3 cf::map
1165		1770
1166	=over 4	1771	=over 4
1167		1772
…		…
1179	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1181		1786
1182	sub generate_random_map {	1787	sub generate_random_map {
1183	my ($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
1184	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1793	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1222	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1223		1831
1224	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1225	local $self->{path};	1833	local $self->{path};
1226	local $self->{load_path};	1834	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1835
1230	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1231	}	1837	}
1232		1838
1233	sub normalise {	1839	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1281	return $self;	1887	return $self;
1282	}	1888	}
1283	}	1889	}
1284		1890
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1892	()
1287	}	1893	}
1288		1894
1289	sub init {	1895	sub init {
1290	my ($self) = @_;	1896	my ($self) = @_;
…		…
1305		1911
1306	# the original (read-only) location	1912	# the original (read-only) location
1307	sub load_path {	1913	sub load_path {
1308	my ($self) = @_;	1914	my ($self) = @_;
1309		1915
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1311	}	1917	}
1312		1918
1313	# the temporary/swap location	1919	# the temporary/swap location
1314	sub save_path {	1920	sub save_path {
1315	my ($self) = @_;	1921	my ($self) = @_;
1316		1922
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1319	}	1925	}
1320		1926
1321	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1322	sub uniq_path {	1928	sub uniq_path {
1323	my ($self) = @_;	1929	my ($self) = @_;
1324		1930
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1327	}	1933	}
1328		1934
1329	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1330	# all maps in C++...	1936	# all maps in C++...
1331	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1333		1939
1334	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1336	}	1942	}
1337		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1338	sub unlink_save {	1952	sub unlink_save {
1339	my ($self) = @_;	1953	my ($self) = @_;
1340		1954
1341	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1959
1346	sub load_header_from($) {	1960	sub load_header_from($) {
1347	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1348		1962
1349	utf8::encode $path;	1963	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	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;
1355		1972
1356	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1357		1974
1358	1	1975	1
1359	}	1976	}
…		…
1398	$self->load_header_orig	2015	$self->load_header_orig
1399	or return;	2016	or return;
1400	$self->prepare_orig;	2017	$self->prepare_orig;
1401	}	2018	}
1402		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 $self->default_region;
		2025
1403	1	2026	1
1404	}	2027	}
1405		2028
1406	sub find;	2029	sub find;
1407	sub find {	2030	sub find {
1408	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1409		2032
1410	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1411		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1413		2037
1414	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1415	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1416	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1417	or return;	2043	or return;
1418		2044
1419	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1420		2046
1421	$map->load_header	2047	$map->load_header
1422	or return;	2048	or return;
1423		2049
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1427	$map->reset;	2055	$map->reset;
1428	undef $guard;
1429	return find $path;	2056	return find $path;
1430	}	2057	}
1431		2058
1432	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1433	}	2060	}
…		…
1440	my ($self) = @_;	2067	my ($self) = @_;
1441		2068
1442	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1443		2070
1444	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1446		2075
		2076	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2078
1449	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1450		2080
1451	$self->alloc;	2081	$self->alloc;
1452		2082
1453	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1454		2085
1455	$self->_load_objects ($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)
1456	or return;	2089	or return;
1457		2090
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1459	if delete $self->{load_original};	2092	if delete $self->{load_original};
1460		2093
1461	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2095	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2098	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1466	}	2102	}
1467	}	2103	}
1468		2104
1469	Coro::cede;	2105	$f->resolve_delayed_derefs;
1470		2106
		2107	cf::cede_to_tick;
1471	# now do the right thing for maps	2108	# now do the right thing for maps
1472	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2111	unless $self->difficulty;
1482	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($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;
1483	$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);
1484	}	2128	}
1485		2129
1486	$self->post_load;	2130	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2131	}
1490		2132
1491	sub customise_for {	2133	sub customise_for {
1492	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1493		2135
1494	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2137	if $self->per_player;
1496		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1497	$self	2142	$self
1498	}	2143	}
1499		2144
1500	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2146	sub load_neighbours {
1502	my ($map) = @_;	2147	my ($map) = @_;
1503		2148
1504	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1505		2150
1506	for (0 .. 3) {	2151	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1508	or next;	2153	or next;
1509	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1510	or next;	2155	or next;
1511	$neigh->load;	2156	$neigh->load;
1512		2157
		2158	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2161	}
1516		2162
1517	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1519	or next;	2166	or next;
1520	$neigh->load;	2167	$neigh->load;
1521	}	2168	}
1522	}	2169	}
1523		2170
…		…
1528	}	2175	}
1529		2176
1530	sub do_load_sync {	2177	sub do_load_sync {
1531	my ($map) = @_;	2178	my ($map) = @_;
1532		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1533	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1534	}	2184	}
1535		2185
1536	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1538		2188
1539	sub find_async {	2189	sub find_async {
1540	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1541		2191
1542	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1543		2193
1544	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2196	}
1547		2197
1548	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1549	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1550	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2205	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2206	$map->load if $v;
		2207	}
1555		2208
1556	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1557	}	2210	}
1558	}	2211	}
1559	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1560	};	2213	};
1561	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2217	}
1565		2218
1566	sub save {	2219	sub save {
1567	my ($self) = @_;	2220	my ($self) = @_;
1568		2221
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2223
1571	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1572		2225
1573	return unless $self->dirty;	2226	return unless $self->dirty;
1574		2227
…		…
1580	return if $self->{deny_save};	2233	return if $self->{deny_save};
1581		2234
1582	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1583		2236
1584	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1586	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1587		2243
1588	if ($uniq) {	2244	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2247	} else {
…		…
1597	my ($self) = @_;	2253	my ($self) = @_;
1598		2254
1599	# save first because save cedes	2255	# save first because save cedes
1600	$self->save;	2256	$self->save;
1601		2257
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2259
1604	return if $self->players;	2260	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1606	return if $self->{deny_save};	2262	return if $self->{deny_save};
1607		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2268	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2269	}
1611		2270
1612	sub reset_at {	2271	sub reset_at {
1613	my ($self) = @_;	2272	my ($self) = @_;
1614		2273
1615	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1618		2276
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2279
…		…
1632	my ($self) = @_;	2290	my ($self) = @_;
1633		2291
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2293
1636	return if $self->players;	2294	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2295
1639	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
1640		2297
1641	$self->in_memory (cf::MAP_SWAPPED);	2298	$self->in_memory (cf::MAP_SWAPPED);
1642		2299
1643	# need to save uniques path	2300	# need to save uniques path
1644	unless ($self->{deny_save}) {	2301	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2305	if $uniq;
1649	}	2306	}
1650		2307
1651	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1652		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2312	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2313
1657	$self->unlink_save;	2314	$self->unlink_save;
1658	$self->destroy;	2315	$self->destroy;
1659	}	2316	}
1660		2317
1661	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1662		2319
1663	sub nuke {	2320	sub nuke {
1664	my ($self) = @_;	2321	my ($self) = @_;
1665		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1666	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1667		2327
1668	$self->unlink_save;	2328	$self->unlink_save;
1669		2329
1670	bless $self, "cf::map";	2330	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2335
1676	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1677		2338
1678	$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	]
1679	}	2376	}
1680		2377
1681	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1682		2379
1683	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2381	instantiated unique items. May block.
1685		2382
1686	=cut	2383	=cut
1687		2384
1688	sub unique_maps() {	2385	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1690	or return;	2387	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2388	utf8::decode $_;
1696	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2391	? ()
1699	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2394	]
1701
1702	\@paths
1703	}	2395	}
1704
1705	package cf;
1706		2396
1707	=back	2397	=back
1708		2398
1709	=head3 cf::object	2399	=head3 cf::object
1710		2400
…		…
1714		2404
1715	=over 4	2405	=over 4
1716		2406
1717	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1718		2408
1719	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.
1720		2411
1721	=cut	2412	=cut
1722		2413
1723	sub inv_recursive_;	2414	sub inv_recursive_;
1724	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1727		2418
1728	sub inv_recursive {	2419	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1730	}	2421	}
1731		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
1732	package cf;	2451	package cf;
1733		2452
1734	=back	2453	=back
1735		2454
1736	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1742	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>
1743	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
1744	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1745		2464
1746	=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	};
1747		2480
1748	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2482	# with dialog boxes.
1750	#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
1751	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1753		2486
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2488
1756	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1758	} 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 {
1759	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1761	}	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 (@_);
1762	}	2514	}
1763		2515
1764	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1765		2517
1766	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1814		2566
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2568
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1819		2571
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2573	}
1822		2574
1823	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1825		2579
1826	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1827		2581
1828	unless ($map) {	2582	unless ($map) {
1829	# restore original map position	2583	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1846		2600
1847	$map->load;	2601	$map->load;
1848	$map->load_diag;	2602	$map->load_neighbours;
1849		2603
1850	return unless $self->contr->active;	2604	return unless $self->contr->active;
1851	$self->activate_recursive;	2605	$self->activate_recursive;
1852		2606
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1855	}	2609	}
1856		2610
1857	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2612
1861	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1865	};	2617	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2618
1871	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1872	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2621
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1892		2625
1893	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2631
1896	$self->enter_link;	2632	$self->enter_link;
1897		2633
1898	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
1899	my $map = eval {	2656	my $map = eval {
1900	my $map = cf::map::find $path;	2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
		2661	$map = $check->($map) if $check && $map;
		2662	} else {
		2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
		2665
1902	$map	2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2672	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1907	})->prio (1);	2680	})->prio (1);
1908	}	2681	}
1909		2682
1910	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1911		2684
…		…
1931	}	2704	}
1932		2705
1933	sub prepare_random_map {	2706	sub prepare_random_map {
1934	my ($exit) = @_;	2707	my ($exit) = @_;
1935		2708
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2711	# that depends on the exit object
1941		2712
1942	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2715	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1949	}	2722	}
1950		2723
1951	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1952		2725
1953	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
1956		2729
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2732	undef $fh;
1960	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
1961		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1964	}	2741	}
1965	}	2742	}
1966		2743
1967	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
1969		2746
1970	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1971		2748
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2749	$self->enter_link;
1982		2750
1983	(async {	2751	(async {
1984	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1985	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
1986	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
1987		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1988	1;	2775	1
1989	}) {	2776	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2781
1995	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2783	$self->leave_link;
1997	}	2784	}
1998	})->prio (1);	2785	})->prio (1);
…		…
2014		2801
2015	utf8::encode $text;	2802	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2804	}
2018		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
2019		2970
2020	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
2021		2972
2022	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2976
2026	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2978	become reliable at some point in the future.
2028		2979
2029	=cut	2980	=cut
2030		2981
2031	sub cf::client::query {	2982	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2991	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2993
2043	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
2045	}	2998	}
2046		2999
2047	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
2048	on_reply => sub {	3006	on_reply => sub {
2049	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
2050		3008
2051	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
2052	# get handled first	3010	# get handled first
…		…
2064	} else {	3022	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3024	}
2067	}	3025	}
2068	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
2069	);	3053	);
2070		3054
2071	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
2072		3056
2073	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2116		3100
2117	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2118		3102
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2120		3108
2121	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2122		3110
2123	=pod	3111	=pod
2124		3112
2125	The following functions and methods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2126		3114
2127	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2128	cf::object::player player	3119	cf::object::player
2129	cf::player peaceful	3120	player
2130	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2131		3127
2132	=cut	3128	=cut
2133		3129
2134	for (	3130	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
2136	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2139	) {	3137	) {
2140	no strict 'refs';	3138	no strict 'refs';
…		…
2211	=back	3209	=back
2212		3210
2213	=cut	3211	=cut
2214		3212
2215	#############################################################################	3213	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3214	# the server's init and main functions
2289		3215
2290	sub load_facedata {	3216	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3217	my ($path) = @_;
		3218
		3219	# HACK to clear player env face cache, we need some signal framework
		3220	# for this (global event?)
		3221	%ext::player_env::MUSIC_FACE_CACHE = ();
		3222
		3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3224
2293	warn "loading facedata from $path\n";	3225	warn "loading facedata from $path\n";
2294		3226
2295	my $faces;	3227	my $facedata;
2296	0 < aio_load $path, $faces	3228	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3229	or die "$path: $!";
2298		3230
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3231	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3232
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3233	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3235
		3236	# patch in the exptable
		3237	$facedata->{resource}{"res/exp_table"} = {
		3238	type => FT_RSRC,
		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3240	};
		3241	cf::cede_to_tick;
		3242
		3243	{
		3244	my $faces = $facedata->{faceinfo};
		3245
2307	while (my ($face, $info) = each %$faces) {	3246	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3248
		3249	cf::face::set_visibility $idx, $info->{visibility};
		3250	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3253
		3254	cf::cede_to_tick;
		3255	}
		3256
2315	while (my ($face, $info) = each %$faces) {	3257	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3258	next unless $info->{smooth};
		3259
2317	my $idx = cf::face::find $face	3260	my $idx = cf::face::find $face
2318	or next;	3261	or next;
		3262
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3263	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3266	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3268	}
2324	Coro::cede;	3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
2325	}	3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3319
2327	1	3320	1
2328	}	3321	}
2329		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
2330	sub reload_resources {	3390	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3391	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3392
2333	load_facedata	3393	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
2335	}	3399	}
2336		3400
2337	sub init {	3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
2338	reload_resources;	3406	reload_resources;
2339	}	3407	}
2340		3408
2341	sub cfg_load {	3409	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3411	or return;
2344		3412
2345	local $/;	3413	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2347		3415
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349		3417
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2362	sub main {	3430	sub main {
2363	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3434	(async {
2367	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2369	};	3438	};
2370		3439
2371	cfg_load;	3440	{
		3441	my $guard = freeze_mainloop;
		3442	reload_config;
2372	db_init;	3443	db_init;
2373	load_extensions;	3444	load_extensions;
2374		3445
2375	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2376	Event::loop;	3449	EV::loop;
2377	}	3450	}
2378		3451
2379	#############################################################################	3452	#############################################################################
2380	# initialisation and cleanup	3453	# initialisation and cleanup
2381		3454
2382	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2383	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2392	},
2393	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2394	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2395	}	3544	}
2396		3545
2397	sub emergency_save() {	3546	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2399		3548
…		…
2405	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2407	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3560	$pl->save;
2411	}	3561	}
2412	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2413		3563
2414	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2420	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
2421		3571
2422	warn "begin emergency database checkpoint\n";	3572	warn "begin emergency database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2425	};	3579	};
2426		3580
2427	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2428	}	3582	}
2429		3583
…		…
2432		3586
2433	warn Carp::longmess "post_cleanup backtrace"	3587	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3588	if $make_core;
2435	}	3589	}
2436		3590
2437	sub reload() {	3591	sub do_reload_perl() {
2438	# can/must only be called in main	3592	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3594	warn "can only reload from main coroutine";
2441	return;	3595	return;
2442	}	3596	}
…		…
2444	warn "reloading...";	3598	warn "reloading...";
2445		3599
2446	warn "entering sync_job";	3600	warn "entering sync_job";
2447		3601
2448	cf::sync_job {	3602	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3603	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3604	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2452		3606
2453	warn "syncing database to disk";	3607	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3608	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3609
2456	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462		3611
2463	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2464	for (;;) {	3613	for (;;) {
2465	BDB::flush;	3614	BDB::flush;
2466	IO::AIO::flush;	3615	IO::AIO::flush;
2467	Coro::cede;	3616	Coro::cede_notself;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";	3618	warn "iterate...";
2470	}	3619	}
2471		3620
2472	++$RELOAD;	3621	++$RELOAD;
…		…
2476	%EXT_CORO = ();	3625	%EXT_CORO = ();
2477		3626
2478	warn "removing commands";	3627	warn "removing commands";
2479	%COMMAND = ();	3628	%COMMAND = ();
2480		3629
2481	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2483		3633
2484	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2487		3637
…		…
2517	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3669
2520	warn "unloading cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2522		3673
2523	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3675	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2526		3677
…		…
2529	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2530	require cf;	3681	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3683
2533	warn "loading config and database again";	3684	warn "loading config and database again";
2534	cf::cfg_load;	3685	cf::reload_config;
2535		3686
2536	warn "loading extensions";	3687	warn "loading extensions";
2537	cf::load_extensions;	3688	cf::load_extensions;
2538		3689
2539	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
…		…
2541	warn "reattaching attachments to maps";	3692	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3694	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3695	reattach $_ for values %PLAYER;
2545		3696
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3697	warn "leaving sync_job";
2550		3698
2551	1	3699	1
2552	} or do {	3700	} or do {
2553	warn $@;	3701	warn $@;
2554	warn "error while reloading, exiting.";	3702	cf::cleanup "error while reloading, exiting.";
2555	exit 1;
2556	};	3703	};
2557		3704
2558	warn "reloaded";	3705	warn "reloaded";
2559	};	3706	};
2560		3707
2561	our $RELOAD_WATCHER; # used only during reload	3708	our $RELOAD_WATCHER; # used only during reload
2562		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2563	register_command "reload" => sub {	3720	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2565		3722
2566	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
2568		3725	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3726	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3727	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3728	};
2581	}	3729	}
2582	};	3730	};
2583		3731
2584	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2585		3733
2586	my $bug_warning = 0;	3734	my $bug_warning = 0;
2587		3735
2588	$TICK_WATCHER = Event->timer (	3736	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3737	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3738
2591	prio => 0,	3739	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3741
2594	cb => sub {	3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
2595	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2598	return;	3759	return;
2599	}	3760	}
2600		3761
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		3763
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3766	Coro::async_pool {
		3767	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3768	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3770	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3771	}
2627	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
2628		3791
2629	{	3792	{
2630	BDB::max_poll_time $TICK * 0.1;	3793	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3794
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3795	BDB::min_parallel 8;
2640		3796	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3797	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3798
2656	unless ($DB_ENV) {	3799	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3806
2659	cf::sync_job {	3807	cf::sync_job {
2660	eval {	3808	eval {
2661	BDB::db_env_open	3809	BDB::db_env_open
2662	$DB_ENV,	3810	$DB_ENV,
2663	$BDB_ENV_DIR,	3811	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3814	0666;
2667		3815
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3817	};
2673		3818
2674	cf::cleanup "db_env_open(db): $@" if $@;	3819	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3820	};
2676	}	3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
2677	}	3832	}
2678		3833
2679	{	3834	{
		3835	# configure IO::AIO
		3836
2680	IO::AIO::min_parallel 8;	3837	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3838	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3839	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	3840	}
		3841
		3842	my $_log_backtrace;
		3843
		3844	sub _log_backtrace {
		3845	my ($msg, @addr) = @_;
		3846
		3847	$msg =~ s/\n//;
		3848
		3849	# limit the # of concurrent backtraces
		3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2693		3884
2694	END { cf::emergency_save }	3885	END { cf::emergency_save }
2695		3886
2696	1	3887	1
2697		3888

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