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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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;
21	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
22		48
		49	use JSON::XS 2.01 ();
23	use BDB ();	50	use BDB ();
24	use Data::Dumper;	51	use Data::Dumper;
25	use Digest::MD5;	52	use Digest::MD5;
26	use Fcntl;	53	use Fcntl;
27	use YAML::Syck ();	54	use YAML ();
28	use IO::AIO 2.32 ();	55	use IO::AIO ();
29	use Time::HiRes;	56	use Time::HiRes;
30	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
31		61
32	# configure various modules to our taste	62	# configure various modules to our taste
33	#	63	#
34	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		67
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$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
44		69
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		71
47	our %COMMAND = ();	72	our %COMMAND = ();
48	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
49		74
50	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
54		80
55	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
56	our @EVENT;	82	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		83
59	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	85	our $DATADIR = datadir;
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	99	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	105	our $DB_ENV;
69		106
70	our %CFG;	107	our %CFG;
71		108
72	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
74		112
75	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		116
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		124
87	binmode STDOUT;	125	binmode STDOUT;
88	binmode STDERR;	126	binmode STDERR;
89		127
90	# read virtual server time, if available	128	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
95	}	133	}
96		134
97	mkdir cf::localdir;	135	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		137
104	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
105		139
106	sub cf::map::normalise;	140	sub cf::map::normalise;
107		141
…		…
118	=item $cf::RUNTIME	152	=item $cf::RUNTIME
119		153
120	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
121	every server tick.	155	every server tick.
122		156
123	=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
124		160
125	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		165
128	=item $cf::NOW	166	=item $cf::NOW
129		167
130	The time of the last (current) server tick.	168	The time of the last (current) server tick.
131		169
132	=item $cf::TICK	170	=item $cf::TICK
133		171
134	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	184	=item %cf::CFG
137		185
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	187	from wherever your confdir points to.
140		188
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		190
143	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
144	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
145	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.
146	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.
147		200
148	=back	201	=back
149		202
150	=cut	203	=cut
151		204
152	BEGIN {	205	BEGIN {
153	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	207	my $msg = join "", @_;
155	utf8::encode $msg;
156		208
157	$msg .= "\n"	209	$msg .= "\n"
158	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
159		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
160	LOG llevError, $msg;	214	LOG llevError, $msg;
161	};	215	};
162	}	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#?
163		232
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		240
171	# 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
172	# within the Safe compartment.	242	# within the Safe compartment.
173	for my $pkg (qw(	243	for my $pkg (qw(
174	cf::global cf::attachable	244	cf::global cf::attachable
…		…
179	)) {	249	)) {
180	no strict 'refs';	250	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	252	}
183		253
184	$Event::DIED = sub {	254	$EV::DIED = sub {
185	warn "error in event callback: @_";	255	warn "error in event callback: @_";
186	};	256	};
		257
		258	#############################################################################
187		259
188	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
189		261
190	=over 4	262	=over 4
191		263
…		…
210	$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;
211	$d	283	$d
212	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
213	}	285	}
214		286
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
218		288
219	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
220		290
221	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
222		292
223	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]) }
224		301
225	=item cf::lock_wait $string	302	=item cf::lock_wait $string
226		303
227	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
228		305
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
234	returned.	311	returned.
235		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
236	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
237	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
238		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
239	=cut	323	=cut
240		324
241	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
242		327
243	sub lock_wait($) {	328	sub lock_wait($) {
244	my ($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#
245		335
246	# wait for lock, if any	336	# wait for lock, if any
247	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	339	Coro::schedule;
…		…
255		345
256	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
257	lock_wait $key;	347	lock_wait $key;
258		348
259	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
260		351
261	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
264	}	356	}
265	}	357	}
266		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
267	sub freeze_mainloop {	365	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
269		367
270	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
271	$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($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
272	};	429	}
273	$TICK_WATCHER->stop;	430	};
274	$guard	431
		432	sub get_slot($;$$) {
		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	$sig->wait;
275	}	444	}
276		445
277	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
278		447
279	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		453
285	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
286		455
287	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
288		457
289	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
292		462
293	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
296	fast or be very important.	466	fast or be very important.
…		…
299		469
300	sub sync_job(&) {	470	sub sync_job(&) {
301	my ($job) = @_;	471	my ($job) = @_;
302		472
303	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
304	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
306		478
307	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	480
309	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
310		482
311	my $busy = 1;	483	my $busy = 1;
312	my @res;	484	my @res;
313		485
314	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	488	@res = eval { $job->() };
316	warn $@ if $@;	489	warn $@ if $@;
317	undef $busy;	490	undef $busy;
318	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
319		492
320	while ($busy) {	493	while ($busy) {
321	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
322	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
323		504
324	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
325	} else {	506	} else {
326	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
327		508
…		…
347	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
348		529
349	$coro	530	$coro
350	}	531	}
351		532
352	sub write_runtime {	533	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		534
355	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.
356		539
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	=cut
358	or return;
359		541
360	my $value = $cf::RUNTIME + 90 + 10;	542	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	543	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		544
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	545	# we seemingly have to make a local copy of the whole thing,
365	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
366		548
367	# always fsync - this file is important	549	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	550	reset_signals;
369	and return;	551	&$cb
		552	}, @args;
370		553
371	close $fh	554	wantarray ? @res : $res[-1]
372	or return;	555	}
373		556
374	aio_rename "$runtime~", $runtime	557	=item $coin = coin_from_name $name
375	and return;
376		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		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($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
377	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		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"
378	}	709	}
379		710
380	=item cf::datalog type => key => value, ...	711	=item cf::datalog type => key => value, ...
381		712
382	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.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
402		733
403	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>
404	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
405	crossfire+).	736	Deliantra).
406		737
407	=over 4	738	=over 4
408		739
409	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
410		741
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
574		905
575	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		910
580	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	912	my $pkg = shift @arg;
582		913
583	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
613	}	944	}
614		945
615	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
616	} else {	947	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	949	}
619		950
620	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
621	}	952	}
622		953
…		…
624	if (ref $_[0]) {	955	if (ref $_[0]) {
625	_object_attach @_;	956	_object_attach @_;
626	} else {	957	} else {
627	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
628	}	959	}
		960	_recalc_want;
629	};	961	};
630		962
631	# all those should be optimised	963	# all those should be optimised
632	sub cf::attachable::detach {	964	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
637	reattach ($obj);	969	reattach ($obj);
638	} else {	970	} else {
639	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
640	}	972	}
		973	_recalc_want;
641	};	974	};
642		975
643	sub cf::attachable::attached {	976	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
645		978
…		…
660	";	993	";
661	die if $@;	994	die if $@;
662	}	995	}
663		996
664	our $override;	997	our $override;
665	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?
666		999
667	sub override {	1000	sub override {
668	$override = 1;	1001	$override = 1;
669	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
670	}	1003	}
671		1004
672	sub do_invoke {	1005	sub do_invoke {
673	my $event = shift;	1006	my $event = shift;
674	my $callbacks = shift;	1007	my $callbacks = shift;
675		1008
676	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
677		1010
678	local $override;	1011	local $override;
679		1012
680	for (@$callbacks) {	1013	for (@$callbacks) {
681	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
690	}	1023	}
691		1024
692	0	1025	0
693	}	1026	}
694		1027
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1029
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1031
699	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
700		1033
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1037
705	=back	1038	=back
706		1039
707	=cut	1040	=cut
708		1041
709	#############################################################################	1042	#############################################################################
710	# 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, $ob2
		1085	}
711		1086
712	sub reattach {	1087	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1089	my ($obj) = @_;
715		1090
…		…
736	cf::attachable->attach (	1111	cf::attachable->attach (
737	prio => -1000000,	1112	prio => -1000000,
738	on_instantiate => sub {	1113	on_instantiate => sub {
739	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
740		1115
741	$data = from_json $data;	1116	$data = decode_json $data;
742		1117
743	for (@$data) {	1118	for (@$data) {
744	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
745		1120
746	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1137	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
764		1139
765	sync_job {	1140	sync_job {
766	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
769		1145
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1150	aio_close $fh;
775		1151
776	if (@$objs) {	1152	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1158	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
784	}	1160	}
785	} else {	1161	} else {
786	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
787	}	1163	}
…		…
792	}	1168	}
793	} else {	1169	} else {
794	aio_unlink $filename;	1170	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
796	}	1172	}
797	}	1173	};
798	}	1174	}
799		1175
800	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
802		1178
…		…
814	or return;	1190	or return;
815		1191
816	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
818	or return;	1194	or return;
		1195
819	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
820	}	1198	}
821		1199
		1200	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
824	return ($data, $av);	1204	($data, $av)
825	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
826		1212
827	#############################################################################	1213	#############################################################################
828	# command handling &c	1214	# command handling &c
829		1215
830	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1230	}
845		1231
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1233
848	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.
849		1239
850	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
851	called.	1241	called.
852		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
853	=cut	1254	=cut
854		1255
855	sub register_extcmd {	1256	sub register_extcmd {
856	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
857		1258
858	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
859	}	1266	}
860		1267
861	cf::player->attach (	1268	cf::player->attach (
862	on_command => sub {	1269	on_command => sub {
863	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1279	cf::override;
873	},	1280	},
874	on_extcmd => sub {	1281	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
876		1283
877	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1285
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
885	} else {	1301	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1303	}
888		1304
889	cf::override;	1305	cf::override;
890	},	1306	},
891	);	1307	);
892		1308
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
928	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1314	next unless -r $path;
930	eval {	1315
931	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	$progress = 1;
932	1	1372	}
933	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
934	}	1378	};
935	}	1379	}
936		1380
937	#############################################################################	1381	#############################################################################
938		1382
		1383	=back
		1384
939	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
940		1386
941	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
942		1388
943	=cut	1389	=cut
…		…
948		1394
949	=head3 cf::player	1395	=head3 cf::player
950		1396
951	=over 4	1397	=over 4
952		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
953	=item cf::player::find $login	1413	=item cf::player::find $login
954		1414
955	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
956		1416
957	=cut	1417	=cut
958		1418
959	sub playerdir($) {	1419	sub playerdir($) {
960	cf::localdir	1420	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1422	}
966		1423
967	sub path($) {	1424	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1455	aio_unlink +(playerdir $login) . "/$login.pl";
999		1456
1000	my $pl = load_pl path $login	1457	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
1003	}	1466	}
1004	}	1467	}
1005	}	1468	}
1006		1469
…		…
1015	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1016		1479
1017	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1019		1482
		1483	cf::get_slot 0.01;
		1484
1020	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1021	Coro::cede;	1486	cf::cede_to_tick;
1022	}	1487	}
1023		1488
1024	sub new($) {	1489	sub new($) {
1025	my ($login) = @_;	1490	my ($login) = @_;
1026		1491
…		…
1032	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1033		1498
1034	$self	1499	$self
1035	}	1500	}
1036		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
1037	=item $pl->quit_character	1512	=item $pl->quit_character
1038		1513
1039	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
1040	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1041		1516
…		…
1049	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1050	$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
1051		1526
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1056		1533
1057	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1089		1566
1090	=cut	1567	=cut
1091		1568
1092	sub list_logins {	1569	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1571	or return [];
1095		1572
1096	my @logins;	1573	my @logins;
1097		1574
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1102		1585
1103	utf8::decode $login;	1586	utf8::decode $login;
1104	push @logins, $login;	1587	push @logins, $login;
1105	}	1588	}
1106		1589
…		…
1133	}	1616	}
1134		1617
1135	\@paths	1618	\@paths
1136	}	1619	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1139		1715
1140	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1141		1717
1142	=cut	1718	=cut
1143		1719
1144	sub ext_reply($$%) {	1720	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1146		1722
1147	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1724	}
1151		1725
1152	=item $player->ext_event ($type, %msg)	1726	=item $player->ext_msg ($type, @msg)
1153		1727
1154	Sends an ext event to the client.	1728	Sends an ext event to the client.
1155		1729
1156	=cut	1730	=cut
1157		1731
1158	sub ext_event($$%) {	1732	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1733	my ($self, $type, @msg) = @_;
1160		1734
1161	$self->ns->ext_event ($type, %msg);	1735	$self->ns->ext_msg ($type, @msg);
1162	}	1736	}
1163		1737
1164	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	}
1165		1766
1166	=back	1767	=back
1167
1168		1768
1169	=head3 cf::map	1769	=head3 cf::map
1170		1770
1171	=over 4	1771	=over 4
1172		1772
…		…
1184	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1186		1786
1187	sub generate_random_map {	1787	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1793	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1228		1831
1229	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1230	local $self->{path};	1833	local $self->{path};
1231	local $self->{load_path};	1834	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1835
1235	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1236	}	1837	}
1237		1838
1238	sub normalise {	1839	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1286	return $self;	1887	return $self;
1287	}	1888	}
1288	}	1889	}
1289		1890
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1892	()
1292	}	1893	}
1293		1894
1294	sub init {	1895	sub init {
1295	my ($self) = @_;	1896	my ($self) = @_;
…		…
1310		1911
1311	# the original (read-only) location	1912	# the original (read-only) location
1312	sub load_path {	1913	sub load_path {
1313	my ($self) = @_;	1914	my ($self) = @_;
1314		1915
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1316	}	1917	}
1317		1918
1318	# the temporary/swap location	1919	# the temporary/swap location
1319	sub save_path {	1920	sub save_path {
1320	my ($self) = @_;	1921	my ($self) = @_;
1321		1922
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1324	}	1925	}
1325		1926
1326	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1327	sub uniq_path {	1928	sub uniq_path {
1328	my ($self) = @_;	1929	my ($self) = @_;
1329		1930
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1332	}	1933	}
1333		1934
1334	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1335	# all maps in C++...	1936	# all maps in C++...
1336	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1338		1939
1339	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1341	}	1942	}
1342		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1343	sub unlink_save {	1952	sub unlink_save {
1344	my ($self) = @_;	1953	my ($self) = @_;
1345		1954
1346	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1959
1351	sub load_header_from($) {	1960	sub load_header_from($) {
1352	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1353		1962
1354	utf8::encode $path;	1963	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1972
1361	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1362		1974
1363	1	1975	1
1364	}	1976	}
…		…
1403	$self->load_header_orig	2015	$self->load_header_orig
1404	or return;	2016	or return;
1405	$self->prepare_orig;	2017	$self->prepare_orig;
1406	}	2018	}
1407		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 $self->default_region;
		2025
1408	1	2026	1
1409	}	2027	}
1410		2028
1411	sub find;	2029	sub find;
1412	sub find {	2030	sub find {
1413	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1414		2032
1415	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1416		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1418		2037
1419	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1421	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1422	or return;	2043	or return;
1423		2044
1424	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1425		2046
1426	$map->load_header	2047	$map->load_header
1427	or return;	2048	or return;
1428		2049
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1432	$map->reset;	2055	$map->reset;
1433	undef $guard;
1434	return find $path;	2056	return find $path;
1435	}	2057	}
1436		2058
1437	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1438	}	2060	}
…		…
1445	my ($self) = @_;	2067	my ($self) = @_;
1446		2068
1447	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1448		2070
1449	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1451		2075
		2076	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2078
1454	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1455		2080
1456	$self->alloc;	2081	$self->alloc;
1457		2082
1458	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1459		2085
1460	$self->_load_objects ($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)
1461	or return;	2089	or return;
1462		2090
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	2092	if delete $self->{load_original};
1465		2093
1466	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2095	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2098	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1471	}	2102	}
1472	}	2103	}
1473		2104
1474	Coro::cede;	2105	$f->resolve_delayed_derefs;
1475		2106
		2107	cf::cede_to_tick;
1476	# now do the right thing for maps	2108	# now do the right thing for maps
1477	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2111	unless $self->difficulty;
1487	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($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;
1488	$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);
1489	}	2128	}
1490		2129
1491	$self->post_load;	2130	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2131	}
1495		2132
1496	sub customise_for {	2133	sub customise_for {
1497	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1498		2135
1499	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2137	if $self->per_player;
1501		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1502	$self	2142	$self
1503	}	2143	}
1504		2144
1505	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2146	sub load_neighbours {
1507	my ($map) = @_;	2147	my ($map) = @_;
1508		2148
1509	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1510		2150
1511	for (0 .. 3) {	2151	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1513	or next;	2153	or next;
1514	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1515	or next;	2155	or next;
1516	$neigh->load;	2156	$neigh->load;
1517		2157
		2158	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2161	}
1521		2162
1522	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1524	or next;	2166	or next;
1525	$neigh->load;	2167	$neigh->load;
1526	}	2168	}
1527	}	2169	}
1528		2170
…		…
1533	}	2175	}
1534		2176
1535	sub do_load_sync {	2177	sub do_load_sync {
1536	my ($map) = @_;	2178	my ($map) = @_;
1537		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1538	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1539	}	2184	}
1540		2185
1541	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1543		2188
1544	sub find_async {	2189	sub find_async {
1545	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1546		2191
1547	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1548		2193
1549	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2196	}
1552		2197
1553	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1554	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1555	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2205	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2206	$map->load if $v;
		2207	}
1560		2208
1561	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1562	}	2210	}
1563	}	2211	}
1564	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1565	};	2213	};
1566	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2217	}
1570		2218
1571	sub save {	2219	sub save {
1572	my ($self) = @_;	2220	my ($self) = @_;
1573		2221
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2223
1576	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1577		2225
1578	return unless $self->dirty;	2226	return unless $self->dirty;
1579		2227
…		…
1585	return if $self->{deny_save};	2233	return if $self->{deny_save};
1586		2234
1587	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1588		2236
1589	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1591	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1592		2243
1593	if ($uniq) {	2244	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2247	} else {
…		…
1602	my ($self) = @_;	2253	my ($self) = @_;
1603		2254
1604	# save first because save cedes	2255	# save first because save cedes
1605	$self->save;	2256	$self->save;
1606		2257
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2259
1609	return if $self->players;	2260	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2262	return if $self->{deny_save};
1612		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2268	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2269	}
1616		2270
1617	sub reset_at {	2271	sub reset_at {
1618	my ($self) = @_;	2272	my ($self) = @_;
1619		2273
1620	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1623		2276
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2279
…		…
1637	my ($self) = @_;	2290	my ($self) = @_;
1638		2291
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2293
1641	return if $self->players;	2294	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2295
1644	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
1645		2297
1646	$self->in_memory (cf::MAP_SWAPPED);	2298	$self->in_memory (cf::MAP_SWAPPED);
1647		2299
1648	# need to save uniques path	2300	# need to save uniques path
1649	unless ($self->{deny_save}) {	2301	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2305	if $uniq;
1654	}	2306	}
1655		2307
1656	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1657		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2312	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2313
1662	$self->unlink_save;	2314	$self->unlink_save;
1663	$self->destroy;	2315	$self->destroy;
1664	}	2316	}
1665		2317
1666	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1667		2319
1668	sub nuke {	2320	sub nuke {
1669	my ($self) = @_;	2321	my ($self) = @_;
1670		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1671	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1672		2327
1673	$self->unlink_save;	2328	$self->unlink_save;
1674		2329
1675	bless $self, "cf::map";	2330	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2335
1681	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1682		2338
1683	$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	]
1684	}	2376	}
1685		2377
1686	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1687		2379
1688	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2381	instantiated unique items. May block.
1690		2382
1691	=cut	2383	=cut
1692		2384
1693	sub unique_maps() {	2385	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1695	or return;	2387	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2388	utf8::decode $_;
1701	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2391	? ()
1704	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2394	]
1706
1707	\@paths
1708	}	2395	}
1709
1710	package cf;
1711		2396
1712	=back	2397	=back
1713		2398
1714	=head3 cf::object	2399	=head3 cf::object
1715		2400
…		…
1719		2404
1720	=over 4	2405	=over 4
1721		2406
1722	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1723		2408
1724	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.
1725		2411
1726	=cut	2412	=cut
1727		2413
1728	sub inv_recursive_;	2414	sub inv_recursive_;
1729	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1732		2418
1733	sub inv_recursive {	2419	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1735	}	2421	}
1736		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
1737	package cf;	2451	package cf;
1738		2452
1739	=back	2453	=back
1740		2454
1741	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1750		2464
1751	=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	};
1752		2480
1753	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2482	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1758		2486
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2488
1761	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1766	}	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 (@_);
1767	}	2514	}
1768		2515
1769	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1770		2517
1771	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1819		2566
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2568
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1824		2571
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2573	}
1827		2574
1828	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1830		2579
1831	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1832		2581
1833	unless ($map) {	2582	unless ($map) {
1834	# restore original map position	2583	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1851		2600
1852	$map->load;	2601	$map->load;
1853	$map->load_diag;	2602	$map->load_neighbours;
1854		2603
1855	return unless $self->contr->active;	2604	return unless $self->contr->active;
1856	$self->activate_recursive;	2605	$self->activate_recursive;
1857		2606
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1860	}	2609	}
1861		2610
1862	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2612
1866	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1870	};	2617	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2618
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2619	=cut
		2620
		2621	our $GOTOGEN;
1897		2622
1898	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2624	my ($self, $path, $x, $y, $check, $done) = @_;
		2625
		2626	# do generation counting so two concurrent goto's will be executed in-order
		2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2628
1901	$self->enter_link;	2629	$self->enter_link;
1902		2630
1903	(async {	2631	(async {
		2632	$Coro::current->{desc} = "player::goto $path $x $y";
		2633
		2634	# *tag paths override both path and x|y
		2635	if ($path =~ /^\*(.*)$/) {
		2636	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2637	my $ob = $obs[rand @obs];
		2638
		2639	# see if we actually can go there
		2640	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2641	$ob = $obs[rand @obs];
		2642	} else {
		2643	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645	# else put us there anyways for now #d#
		2646
		2647	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2648	} else {
		2649	($path, $x, $y) = (undef, undef, undef);
		2650	}
		2651	}
		2652
1904	my $map = eval {	2653	my $map = eval {
1905	my $map = cf::map::find $path;	2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
		2658	$map = $check->($map) if $check && $map;
		2659	} else {
		2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
		2662
1907	$map	2663	$map
		2664	};
		2665
		2666	if ($@) {
		2667	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2669	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1912	})->prio (1);	2677	})->prio (1);
1913	}	2678	}
1914		2679
1915	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
1916		2681
…		…
1936	}	2701	}
1937		2702
1938	sub prepare_random_map {	2703	sub prepare_random_map {
1939	my ($exit) = @_;	2704	my ($exit) = @_;
1940		2705
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2708	# that depends on the exit object
1946		2709
1947	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2712	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2713	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
1954	}	2719	}
1955		2720
1956	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
1957		2722
1958	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
1961		2726
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2729	undef $fh;
1965	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
1966		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
1969	}	2738	}
1970	}	2739	}
1971		2740
1972	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
1974		2743
1975	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
1976		2745
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2746	$self->enter_link;
1989		2747
1990	(async {	2748	(async {
1991	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
1992	unless (eval {	2751	unless (eval {
		2752	$self->deactivate_recursive; # just to be sure
		2753
		2754	# random map handling
		2755	{
		2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2757
		2758	prepare_random_map $exit
		2759	if $exit->slaying eq "/!";
		2760	}
		2761
		2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
		2765
1993	$self->goto ($slaying, $hp, $sp);	2766	$self->goto ($map, $x, $y);
1994		2767
		2768	# if exit is damned, update players death & WoR home-position
		2769	$self->contr->savebed ($map, $x, $y)
		2770	if $exit->flag (cf::FLAG_DAMNED);
		2771
1995	1;	2772	1
1996	}) {	2773	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
1998	. "I'll try to bring you back to the map you were before. "	2775	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2021		2798
2022	utf8::encode $text;	2799	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2801	}
2025		2802
		2803	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2804
		2805	Send a drawinfo or msg packet to the client, formatting the msg for the
		2806	client if neccessary. C<$type> should be a string identifying the type of
		2807	the message, with C<log> being the default. If C<$color> is negative, suppress
		2808	the message unless the client supports the msg packet.
		2809
		2810	=cut
		2811
		2812	# non-persistent channels (usually the info channel)
		2813	our %CHANNEL = (
		2814	"c/identify" => {
		2815	id => "infobox",
		2816	title => "Identify",
		2817	reply => undef,
		2818	tooltip => "Items recently identified",
		2819	},
		2820	"c/examine" => {
		2821	id => "infobox",
		2822	title => "Examine",
		2823	reply => undef,
		2824	tooltip => "Signs and other items you examined",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/uptime" => {
		2851	id => "infobox",
		2852	title => "Uptime",
		2853	reply => undef,
		2854	tooltip => "How long the server has been running since last restart",
		2855	},
		2856	"c/mapinfo" => {
		2857	id => "infobox",
		2858	title => "Map Info",
		2859	reply => undef,
		2860	tooltip => "Information related to the maps",
		2861	},
		2862	"c/party" => {
		2863	id => "party",
		2864	title => "Party",
		2865	reply => "gsay ",
		2866	tooltip => "Messages and chat related to your party",
		2867	},
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg);
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883
		2884	$channel = $channel->{id};
		2885
		2886	} elsif (ref $channel) {
		2887	# send meta info to client, if not yet sent
		2888	unless (exists $self->{channel}{$channel->{id}}) {
		2889	$self->{channel}{$channel->{id}} = $channel;
		2890	$self->ext_msg (channel_info => $channel)
		2891	if $self->can_msg;
		2892	}
		2893
		2894	$channel = $channel->{id};
		2895	}
		2896
		2897	return unless @extra || length $msg;
		2898
		2899	if ($self->can_msg) {
		2900	# default colour, mask it out
		2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2902	if $color & cf::NDI_DEF;
		2903
		2904	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2906	} else {
		2907	if ($color >= 0) {
		2908	# replace some tags by gcfclient-compatible ones
		2909	for ($msg) {
		2910	1 while
		2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2916	}
		2917
		2918	$color &= cf::NDI_COLOR_MASK;
		2919
		2920	utf8::encode $msg;
		2921
		2922	if (0 && $msg =~ /\[/) {
		2923	# COMMAND/INFO
		2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2925	} else {
		2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2927	$self->send_packet ("drawinfo $color $msg")
		2928	}
		2929	}
		2930	}
		2931	}
		2932
2026	=item $client->ext_event ($type, %msg)	2933	=item $client->ext_msg ($type, @msg)
2027		2934
2028	Sends an exti event to the client.	2935	Sends an ext event to the client.
2029		2936
2030	=cut	2937	=cut
2031		2938
2032	sub cf::client::ext_event($$%) {	2939	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2940	my ($self, $type, @msg) = @_;
2034		2941
		2942	if ($self->extcmd == 2) {
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2944	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2945	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
		2949
		2950	=item $client->ext_reply ($msgid, @msg)
		2951
		2952	Sends an ext reply to the client.
		2953
		2954	=cut
		2955
		2956	sub cf::client::ext_reply($$@) {
		2957	my ($self, $id, @msg) = @_;
		2958
		2959	if ($self->extcmd == 2) {
		2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2961	} elsif ($self->extcmd == 1) {
		2962	#TODO: version 1, remove
		2963	unshift @msg, msgtype => "reply", msgid => $id;
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2965	}
2037	}	2966	}
2038		2967
2039	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
2040		2969
2041	Queues a query to the client, calling the given callback with	2970	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2971	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2972	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2973
2045	Queries can fail, so check the return code. Or don't, as queries will become	2974	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2975	become reliable at some point in the future.
2047		2976
2048	=cut	2977	=cut
2049		2978
2050	sub cf::client::query {	2979	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2988	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2990
2062	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
2064	}	2995	}
2065		2996
2066	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
2067	on_reply => sub {	3003	on_reply => sub {
2068	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
2069		3005
2070	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
2071	# get handled first	3007	# get handled first
…		…
2083	} else {	3019	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3021	}
2086	}	3022	}
2087	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($ns, $buf) = @_;
		3026
		3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3028
		3029	if (ref $msg) {
		3030	my ($type, $reply, @payload) =
		3031	"ARRAY" eq ref $msg
		3032	? @$msg
		3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3034
		3035	my @reply;
		3036
		3037	if (my $cb = $EXTICMD{$type}) {
		3038	@reply = $cb->($ns, @payload);
		3039	}
		3040
		3041	$ns->ext_reply ($reply, @reply)
		3042	if $reply;
		3043
		3044	} else {
		3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3046	}
		3047
		3048	cf::override;
		3049	},
2088	);	3050	);
2089		3051
2090	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
2091		3053
2092	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2135		3097
2136	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2137		3099
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2139		3105
2140	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2141		3107
2142	=pod	3108	=pod
2143		3109
2144	The following functions and methods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2145		3111
2146	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2147	cf::object::player player	3116	cf::object::player
2148	cf::player peaceful	3117	player
2149	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2150		3124
2151	=cut	3125	=cut
2152		3126
2153	for (	3127	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2155	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2158	) {	3134	) {
2159	no strict 'refs';	3135	no strict 'refs';
…		…
2230	=back	3206	=back
2231		3207
2232	=cut	3208	=cut
2233		3209
2234	#############################################################################	3210	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3211	# the server's init and main functions
2308		3212
2309	sub load_facedata {	3213	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3214	my ($path) = @_;
		3215
		3216	# HACK to clear player env face cache, we need some signal framework
		3217	# for this (global event?)
		3218	%ext::player_env::MUSIC_FACE_CACHE = ();
		3219
		3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3221
2312	warn "loading facedata from $path\n";	3222	warn "loading facedata from $path\n";
2313		3223
2314	my $facedata;	3224	my $facedata;
2315	0 < aio_load $path, $facedata	3225	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3228	$facedata = Coro::Storable::thaw $facedata;
2319		3229
2320	$facedata->{version} == 2	3230	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3232
		3233	# patch in the exptable
		3234	$facedata->{resource}{"res/exp_table"} = {
		3235	type => FT_RSRC,
		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3237	};
		3238	cf::cede_to_tick;
		3239
2323	{	3240	{
2324	my $faces = $facedata->{faceinfo};	3241	my $faces = $facedata->{faceinfo};
2325		3242
2326	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3245
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3246	cf::face::set_visibility $idx, $info->{visibility};
		3247	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3250
		3251	cf::cede_to_tick;
2332	}	3252	}
2333		3253
2334	while (my ($face, $info) = each %$faces) {	3254	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3255	next unless $info->{smooth};
		3256
2336	my $idx = cf::face::find $face	3257	my $idx = cf::face::find $face
2337	or next;	3258	or next;
		3259
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3260	if (my $smooth = cf::face::find $info->{smooth}) {
		3261	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3263	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3264	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3265	}
2343	Coro::cede;	3266
		3267	cf::cede_to_tick;
2344	}	3268	}
2345	}	3269	}
2346		3270
2347	{	3271	{
2348	my $anims = $facedata->{animinfo};	3272	my $anims = $facedata->{animinfo};
2349		3273
2350	while (my ($anim, $info) = each %$anims) {	3274	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3275	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3276	cf::cede_to_tick;
2353	}	3277	}
2354		3278
2355	cf::anim::invalidate_all; # d'oh	3279	cf::anim::invalidate_all; # d'oh
2356	}	3280	}
2357		3281
		3282	{
		3283	# TODO: for gcfclient pleasure, we should give resources
		3284	# that gcfclient doesn't grok a >10000 face index.
		3285	my $res = $facedata->{resource};
		3286
		3287	while (my ($name, $info) = each %$res) {
		3288	if (defined $info->{type}) {
		3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3290	my $data;
		3291
		3292	if ($info->{type} & 1) {
		3293	# prepend meta info
		3294
		3295	my $meta = $enc->encode ({
		3296	name => $name,
		3297	%{ $info->{meta} || {} },
		3298	});
		3299
		3300	$data = pack "(w/a*)*", $meta, $info->{data};
		3301	} else {
		3302	$data = $info->{data};
		3303	}
		3304
		3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3306	cf::face::set_type $idx, $info->{type};
		3307	} else {
		3308	$RESOURCE{$name} = $info;
		3309	}
		3310
		3311	cf::cede_to_tick;
		3312	}
		3313	}
		3314
		3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3316
2358	1	3317	1
2359	}	3318	}
2360		3319
		3320	cf::global->attach (on_resource_update => sub {
		3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3323
		3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3325	my $sound = $soundconf->{compat}[$_]
		3326	or next;
		3327
		3328	my $face = cf::face::find "sound/$sound->[1]";
		3329	cf::sound::set $sound->[0] => $face;
		3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3331	}
		3332
		3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3334	my $face = cf::face::find "sound/$v";
		3335	cf::sound::set $k => $face;
		3336	}
		3337	}
		3338	});
		3339
		3340	register_exticmd fx_want => sub {
		3341	my ($ns, $want) = @_;
		3342
		3343	while (my ($k, $v) = each %$want) {
		3344	$ns->fx_want ($k, $v);
		3345	}
		3346	};
		3347
		3348	sub load_resource_file($) {
		3349	my $guard = lock_acquire "load_resource_file";
		3350
		3351	my $status = load_resource_file_ $_[0];
		3352	get_slot 0.1, 100;
		3353	cf::arch::commit_load;
		3354
		3355	$status
		3356	}
		3357
		3358	sub reload_regions {
		3359	# HACK to clear player env face cache, we need some signal framework
		3360	# for this (global event?)
		3361	%ext::player_env::MUSIC_FACE_CACHE = ();
		3362
		3363	load_resource_file "$MAPDIR/regions"
		3364	or die "unable to load regions file\n";
		3365
		3366	for (cf::region::list) {
		3367	$_->{match} = qr/$_->{match}/
		3368	if exists $_->{match};
		3369	}
		3370	}
		3371
		3372	sub reload_facedata {
		3373	load_facedata "$DATADIR/facedata"
		3374	or die "unable to load facedata\n";
		3375	}
		3376
		3377	sub reload_archetypes {
		3378	load_resource_file "$DATADIR/archetypes"
		3379	or die "unable to load archetypes\n";
		3380	}
		3381
		3382	sub reload_treasures {
		3383	load_resource_file "$DATADIR/treasures"
		3384	or die "unable to load treasurelists\n";
		3385	}
		3386
2361	sub reload_resources {	3387	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3388	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3389
2364	load_facedata	3390	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3391	reload_archetypes;
		3392	reload_regions;
		3393	reload_treasures;
		3394
		3395	warn "finished reloading resource files\n";
2366	}	3396	}
2367		3397
2368	sub init {	3398	sub init {
		3399	my $guard = freeze_mainloop;
		3400
		3401	evthread_start IO::AIO::poll_fileno;
		3402
2369	reload_resources;	3403	reload_resources;
2370	}	3404	}
2371		3405
2372	sub cfg_load {	3406	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3408	or return;
2375		3409
2376	local $/;	3410	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2378		3412
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3414
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2393	sub main {	3427	sub main {
2394	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3431	(async {
2398	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2400	};	3435	};
2401		3436
2402	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2403	db_init;	3440	db_init;
2404	load_extensions;	3441	load_extensions;
2405		3442
2406	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2407	Event::loop;	3446	EV::loop;
2408	}	3447	}
2409		3448
2410	#############################################################################	3449	#############################################################################
2411	# initialisation and cleanup	3450	# initialisation and cleanup
2412		3451
2413	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2414	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2423	},
2424	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2425	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2426	}	3541	}
2427		3542
2428	sub emergency_save() {	3543	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2430		3545
…		…
2436	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3557	$pl->save;
2442	}	3558	}
2443	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2444		3560
2445	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2452		3568
2453	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2456	};	3576	};
2457		3577
2458	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2459	}	3579	}
2460		3580
…		…
2463		3583
2464	warn Carp::longmess "post_cleanup backtrace"	3584	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3585	if $make_core;
2466	}	3586	}
2467		3587
2468	sub reload() {	3588	sub do_reload_perl() {
2469	# can/must only be called in main	3589	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2472	return;	3592	return;
2473	}	3593	}
…		…
2475	warn "reloading...";	3595	warn "reloading...";
2476		3596
2477	warn "entering sync_job";	3597	warn "entering sync_job";
2478		3598
2479	cf::sync_job {	3599	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3601	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2483		3603
2484	warn "syncing database to disk";	3604	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3606
2487	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493		3608
2494	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2495	for (;;) {	3610	for (;;) {
2496	BDB::flush;	3611	BDB::flush;
2497	IO::AIO::flush;	3612	IO::AIO::flush;
2498	Coro::cede;	3613	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3615	warn "iterate...";
2501	}	3616	}
2502		3617
2503	++$RELOAD;	3618	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3622	%EXT_CORO = ();
2508		3623
2509	warn "removing commands";	3624	warn "removing commands";
2510	%COMMAND = ();	3625	%COMMAND = ();
2511		3626
2512	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2514		3630
2515	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2518		3634
…		…
2548	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3666
2551	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2553		3670
2554	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3672	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2557		3674
…		…
2560	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2561	require cf;	3678	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3680
2564	warn "loading config and database again";	3681	warn "loading config and database again";
2565	cf::cfg_load;	3682	cf::reload_config;
2566		3683
2567	warn "loading extensions";	3684	warn "loading extensions";
2568	cf::load_extensions;	3685	cf::load_extensions;
2569		3686
2570	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3691	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3692	reattach $_ for values %PLAYER;
2576		3693
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3694	warn "leaving sync_job";
2581		3695
2582	1	3696	1
2583	} or do {	3697	} or do {
2584	warn $@;	3698	warn $@;
2585	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2586	exit 1;
2587	};	3700	};
2588		3701
2589	warn "reloaded";	3702	warn "reloaded";
2590	};	3703	};
2591		3704
2592	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2593		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2594	register_command "reload" => sub {	3717	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2596		3719
2597	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2599		3722	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3724	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3725	};
2612	}	3726	}
2613	};	3727	};
2614		3728
2615	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2616		3730
2617	my $bug_warning = 0;	3731	my $bug_warning = 0;
2618		3732
2619	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3735
2622	prio => 0,	3736	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3738
2625	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2626	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2629	return;	3756	return;
2630	}	3757	}
2631		3758
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3760
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3765	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3767	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3768	}
2658	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2659		3788
2660	{	3789	{
2661	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3791
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2671		3793	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3795
2687	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3802
2690	cf::sync_job {	3803	cf::sync_job {
2691	eval {	3804	eval {
2692	BDB::db_env_open	3805	BDB::db_env_open
2693	$DB_ENV,	3806	$DB_ENV,
2694	$BDB_ENV_DIR,	3807	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3810	0666;
2698		3811
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3813	};
2704		3814
2705	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3816	};
2707	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2708	}	3828	}
2709		3829
2710	{	3830	{
		3831	# configure IO::AIO
		3832
2711	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3835	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2724		3880
2725	END { cf::emergency_save }	3881	END { cf::emergency_save }
2726		3882
2727	1	3883	1
2728		3884

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