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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::AnyEvent;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
20	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
21		48
		49	use JSON::XS 2.01 ();
22	use BDB ();	50	use BDB ();
23	use Data::Dumper;	51	use Data::Dumper;
24	use Digest::MD5;	52	use Digest::MD5;
25	use Fcntl;	53	use Fcntl;
26	use YAML::Syck ();	54	use YAML ();
27	use IO::AIO 2.32 ();	55	use IO::AIO ();
28	use Time::HiRes;	56	use Time::HiRes;
29	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
30		61
31	# configure various modules to our taste	62	# configure various modules to our taste
32	#	63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		67
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		69
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		71
45	our %COMMAND = ();	72	our %COMMAND = ();
46	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
47		74
48	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
52		80
53	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
54	our @EVENT;	82	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		83
57	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	85	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
		87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	99	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	105	our $DB_ENV;
67		106
68	our %CFG;	107	our %CFG;
69		108
70	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
72		112
73	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		116
82	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
85	binmode STDOUT;	125	binmode STDOUT;
86	binmode STDERR;	126	binmode STDERR;
87		127
88	# read virtual server time, if available	128	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
93	}	133	}
94		134
95	mkdir cf::localdir;	135	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		137
102	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
103		139
104	sub cf::map::normalise;	140	sub cf::map::normalise;
105		141
…		…
116	=item $cf::RUNTIME	152	=item $cf::RUNTIME
117		153
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	155	every server tick.
120		156
121	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		160
123	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
125		165
126	=item $cf::NOW	166	=item $cf::NOW
127		167
128	The time of the last (current) server tick.	168	The time of the last (current) server tick.
129		169
130	=item $cf::TICK	170	=item $cf::TICK
131		171
132	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
133		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
134	=item %cf::CFG	184	=item %cf::CFG
135		185
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	187	from wherever your confdir points to.
138		188
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		190
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
145		200
146	=back	201	=back
147		202
148	=cut	203	=cut
149		204
150	BEGIN {	205	BEGIN {
151	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	207	my $msg = join "", @_;
153	utf8::encode $msg;
154		208
155	$msg .= "\n"	209	$msg .= "\n"
156	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
157		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
158	LOG llevError, $msg;	214	LOG llevError, $msg;
159	};	215	};
160	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
161		232
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		240
169	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	242	# within the Safe compartment.
171	for my $pkg (qw(	243	for my $pkg (qw(
172	cf::global cf::attachable	244	cf::global cf::attachable
…		…
177	)) {	249	)) {
178	no strict 'refs';	250	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	252	}
181		253
182	$Event::DIED = sub {	254	$EV::DIED = sub {
183	warn "error in event callback: @_";	255	warn "error in event callback: @_";
184	};	256	};
		257
		258	#############################################################################
185		259
186	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
187		261
188	=over 4	262	=over 4
189		263
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	283	$d
210	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
211	}	285	}
212		286
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
216		288
217	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
218		290
219	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
220		292
221	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
		294
		295	=cut
		296
		297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		298
		299	sub encode_json($) { $json_coder->encode ($_[0]) }
		300	sub decode_json($) { $json_coder->decode ($_[0]) }
222		301
223	=item cf::lock_wait $string	302	=item cf::lock_wait $string
224		303
225	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
226		305
…		…
229	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
232	returned.	311	returned.
233		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
234	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
236		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
237	=cut	323	=cut
238		324
239	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
240		327
241	sub lock_wait($) {	328	sub lock_wait($) {
242	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
243		335
244	# wait for lock, if any	336	# wait for lock, if any
245	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	339	Coro::schedule;
…		…
253		345
254	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
255	lock_wait $key;	347	lock_wait $key;
256		348
257	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
258		351
259	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
262	}	356	}
263	}	357	}
264		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
265	sub freeze_mainloop {	365	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
267		367
268	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	369	}
		370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
270	};	429	}
271	$TICK_WATCHER->stop;	430	};
272	$guard	431
		432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
273	}	444	}
274		445
275	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
276		447
277	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		453
283	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
284		455
285	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
286		457
287	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
290		462
291	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
294	fast or be very important.	466	fast or be very important.
…		…
297		469
298	sub sync_job(&) {	470	sub sync_job(&) {
299	my ($job) = @_;	471	my ($job) = @_;
300		472
301	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
302	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
304		478
305	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	480
307	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
308		482
309	my $busy = 1;	483	my $busy = 1;
310	my @res;	484	my @res;
311		485
312	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	488	@res = eval { $job->() };
314	warn $@ if $@;	489	warn $@ if $@;
315	undef $busy;	490	undef $busy;
316	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
317		492
318	while ($busy) {	493	while ($busy) {
319	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
320	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
321		504
322	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
323	} else {	506	} else {
324	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
325		508
…		…
345	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
346		529
347	$coro	530	$coro
348	}	531	}
349		532
350	sub write_runtime {	533	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		534
353	my $runtime = cf::localdir . "/runtime";	535	Executes the given code block with the given arguments in a seperate
		536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
354		539
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	540	=cut
356	or return;
357		541
358	my $value = $cf::RUNTIME + 90 + 10;	542	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	543	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		544
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	545	# we seemingly have to make a local copy of the whole thing,
363	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
364		548
365	# always fsync - this file is important	549	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	550	reset_signals;
367	and return;	551	&$cb
		552	}, @args;
368		553
369	close $fh	554	wantarray ? @res : $res[-1]
370	or return;	555	}
371		556
372	aio_rename "$runtime~", $runtime	557	=item $coin = coin_from_name $name
373	and return;
374		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
375	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
376	}	709	}
377		710
378	=item cf::datalog type => key => value, ...	711	=item cf::datalog type => key => value, ...
379		712
380	Log a datalog packet of the given type with the given key-value pairs.	713	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
400		733
401	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	736	Deliantra).
404		737
405	=over 4	738	=over 4
406		739
407	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
408		741
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
572		905
573	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		910
578	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	912	my $pkg = shift @arg;
580		913
581	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
611	}	944	}
612		945
613	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
614	} else {	947	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	949	}
617		950
618	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
619	}	952	}
620		953
…		…
622	if (ref $_[0]) {	955	if (ref $_[0]) {
623	_object_attach @_;	956	_object_attach @_;
624	} else {	957	} else {
625	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
626	}	959	}
		960	_recalc_want;
627	};	961	};
628		962
629	# all those should be optimised	963	# all those should be optimised
630	sub cf::attachable::detach {	964	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
635	reattach ($obj);	969	reattach ($obj);
636	} else {	970	} else {
637	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
638	}	972	}
		973	_recalc_want;
639	};	974	};
640		975
641	sub cf::attachable::attached {	976	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
643		978
…		…
658	";	993	";
659	die if $@;	994	die if $@;
660	}	995	}
661		996
662	our $override;	997	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		999
665	sub override {	1000	sub override {
666	$override = 1;	1001	$override = 1;
667	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
668	}	1003	}
669		1004
670	sub do_invoke {	1005	sub do_invoke {
671	my $event = shift;	1006	my $event = shift;
672	my $callbacks = shift;	1007	my $callbacks = shift;
673		1008
674	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
675		1010
676	local $override;	1011	local $override;
677		1012
678	for (@$callbacks) {	1013	for (@$callbacks) {
679	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
688	}	1023	}
689		1024
690	0	1025	0
691	}	1026	}
692		1027
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1029
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1031
697	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
698		1033
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1037
703	=back	1038	=back
704		1039
705	=cut	1040	=cut
706		1041
707	#############################################################################	1042	#############################################################################
708	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
709		1086
710	sub reattach {	1087	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1089	my ($obj) = @_;
713		1090
…		…
734	cf::attachable->attach (	1111	cf::attachable->attach (
735	prio => -1000000,	1112	prio => -1000000,
736	on_instantiate => sub {	1113	on_instantiate => sub {
737	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
738		1115
739	$data = from_json $data;	1116	$data = decode_json $data;
740		1117
741	for (@$data) {	1118	for (@$data) {
742	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
743		1120
744	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1137	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
762		1139
763	sync_job {	1140	sync_job {
764	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
767		1145
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1150	aio_close $fh;
773		1151
774	if (@$objs) {	1152	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1158	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
782	}	1160	}
783	} else {	1161	} else {
784	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
785	}	1163	}
…		…
790	}	1168	}
791	} else {	1169	} else {
792	aio_unlink $filename;	1170	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
794	}	1172	}
795	}	1173	};
796	}	1174	}
797		1175
798	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
800		1178
…		…
812	or return;	1190	or return;
813		1191
814	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
816	or return;	1194	or return;
		1195
817	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
818	}	1198	}
819		1199
		1200	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
822	return ($data, $av);	1204	($data, $av)
823	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
824		1212
825	#############################################################################	1213	#############################################################################
826	# command handling &c	1214	# command handling &c
827		1215
828	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1230	}
843		1231
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1233
846	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
847		1239
848	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
849	called.	1241	called.
850		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
851	=cut	1254	=cut
852		1255
853	sub register_extcmd {	1256	sub register_extcmd {
854	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
855		1258
856	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
857	}	1266	}
858		1267
859	cf::player->attach (	1268	cf::player->attach (
860	on_command => sub {	1269	on_command => sub {
861	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1279	cf::override;
871	},	1280	},
872	on_extcmd => sub {	1281	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
874		1283
875	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1285
877	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
883	} else {	1301	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1303	}
886		1304
887	cf::override;	1305	cf::override;
888	},	1306	},
889	);	1307	);
890		1308
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
926	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1314	next unless -r $path;
928	eval {	1315
929	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
930	1	1372	}
931	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
932	}	1378	};
933	}	1379	}
934		1380
935	#############################################################################	1381	#############################################################################
936		1382
		1383	=back
		1384
937	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
938		1386
939	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
940		1388
941	=cut	1389	=cut
…		…
946		1394
947	=head3 cf::player	1395	=head3 cf::player
948		1396
949	=over 4	1397	=over 4
950		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
951	=item cf::player::find $login	1413	=item cf::player::find $login
952		1414
953	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
954		1416
955	=cut	1417	=cut
956		1418
957	sub playerdir($) {	1419	sub playerdir($) {
958	cf::localdir	1420	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1422	}
964		1423
965	sub path($) {	1424	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1426
968	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
969	}	1428	}
970		1429
971	sub find_active($) {	1430	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1445	my $login = $_[0];
987		1446
988	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
989		1448
990	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
992	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
994	}	1466	}
995	}	1467	}
996	}	1468	}
997		1469
…		…
1006	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1007		1479
1008	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1010		1482
		1483	cf::get_slot 0.01;
		1484
1011	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1012	Coro::cede;	1486	cf::cede_to_tick;
1013	}	1487	}
1014		1488
1015	sub new($) {	1489	sub new($) {
1016	my ($login) = @_;	1490	my ($login) = @_;
1017		1491
…		…
1023	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1024		1498
1025	$self	1499	$self
1026	}	1500	}
1027		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1028	=item $pl->quit_character	1512	=item $pl->quit_character
1029		1513
1030	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1032		1516
…		…
1040	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1042		1526
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1047		1533
1048	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1080		1566
1081	=cut	1567	=cut
1082		1568
1083	sub list_logins {	1569	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1571	or return [];
1086		1572
1087	my @logins;	1573	my @logins;
1088		1574
1089	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1093		1585
1094	utf8::decode $login;	1586	utf8::decode $login;
1095	push @logins, $login;	1587	push @logins, $login;
1096	}	1588	}
1097		1589
…		…
1124	}	1616	}
1125		1617
1126	\@paths	1618	\@paths
1127	}	1619	}
1128		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1130		1715
1131	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1132		1717
1133	=cut	1718	=cut
1134		1719
1135	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1137		1722
1138	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1724	}
1142		1725
1143	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1144		1766
1145	=back	1767	=back
1146
1147		1768
1148	=head3 cf::map	1769	=head3 cf::map
1149		1770
1150	=over 4	1771	=over 4
1151		1772
…		…
1163	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1165		1786
1166	sub generate_random_map {	1787	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1793	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1207		1831
1208	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1209	local $self->{path};	1833	local $self->{path};
1210	local $self->{load_path};	1834	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1835
1214	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1215	}	1837	}
1216		1838
1217	sub normalise {	1839	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1265	return $self;	1887	return $self;
1266	}	1888	}
1267	}	1889	}
1268		1890
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1892	()
1271	}	1893	}
1272		1894
1273	sub init {	1895	sub init {
1274	my ($self) = @_;	1896	my ($self) = @_;
…		…
1289		1911
1290	# the original (read-only) location	1912	# the original (read-only) location
1291	sub load_path {	1913	sub load_path {
1292	my ($self) = @_;	1914	my ($self) = @_;
1293		1915
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1295	}	1917	}
1296		1918
1297	# the temporary/swap location	1919	# the temporary/swap location
1298	sub save_path {	1920	sub save_path {
1299	my ($self) = @_;	1921	my ($self) = @_;
1300		1922
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1303	}	1925	}
1304		1926
1305	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1306	sub uniq_path {	1928	sub uniq_path {
1307	my ($self) = @_;	1929	my ($self) = @_;
1308		1930
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1311	}	1933	}
1312		1934
1313	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1314	# all maps in C++...	1936	# all maps in C++...
1315	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1317		1939
1318	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1320	}	1942	}
1321		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1322	sub unlink_save {	1952	sub unlink_save {
1323	my ($self) = @_;	1953	my ($self) = @_;
1324		1954
1325	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1959
1330	sub load_header_from($) {	1960	sub load_header_from($) {
1331	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1332		1962
1333	utf8::encode $path;	1963	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1972
1340	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1341		1974
1342	1	1975	1
1343	}	1976	}
…		…
1382	$self->load_header_orig	2015	$self->load_header_orig
1383	or return;	2016	or return;
1384	$self->prepare_orig;	2017	$self->prepare_orig;
1385	}	2018	}
1386		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
1387	1	2026	1
1388	}	2027	}
1389		2028
1390	sub find;	2029	sub find;
1391	sub find {	2030	sub find {
1392	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1393		2032
1394	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1395		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1397		2037
1398	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1400	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1401	or return;	2043	or return;
1402		2044
1403	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1404		2046
1405	$map->load_header	2047	$map->load_header
1406	or return;	2048	or return;
1407		2049
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1411	$map->reset;	2055	$map->reset;
1412	undef $guard;
1413	return find $path;	2056	return find $path;
1414	}	2057	}
1415		2058
1416	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1417	}	2060	}
…		…
1424	my ($self) = @_;	2067	my ($self) = @_;
1425		2068
1426	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1427		2070
1428	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1430		2075
		2076	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2078
1433	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1434		2080
1435	$self->alloc;	2081	$self->alloc;
1436		2082
1437	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1438		2085
1439	$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)
1440	or return;	2089	or return;
1441		2090
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1443	if delete $self->{load_original};	2092	if delete $self->{load_original};
1444		2093
1445	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2095	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2098	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1450	}	2102	}
1451	}	2103	}
1452		2104
1453	Coro::cede;	2105	$f->resolve_delayed_derefs;
1454		2106
		2107	cf::cede_to_tick;
1455	# now do the right thing for maps	2108	# now do the right thing for maps
1456	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2111	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2128	}
1469		2129
1470	$self->post_load;	2130	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2131	}
1474		2132
1475	sub customise_for {	2133	sub customise_for {
1476	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1477		2135
1478	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2137	if $self->per_player;
1480		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1481	$self	2142	$self
1482	}	2143	}
1483		2144
1484	# 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
1485	sub load_diag {	2146	sub load_neighbours {
1486	my ($map) = @_;	2147	my ($map) = @_;
1487		2148
1488	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1489		2150
1490	for (0 .. 3) {	2151	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1492	or next;	2153	or next;
1493	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1494	or next;	2155	or next;
1495	$neigh->load;	2156	$neigh->load;
1496		2157
		2158	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2161	}
1500		2162
1501	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1503	or next;	2166	or next;
1504	$neigh->load;	2167	$neigh->load;
1505	}	2168	}
1506	}	2169	}
1507		2170
…		…
1512	}	2175	}
1513		2176
1514	sub do_load_sync {	2177	sub do_load_sync {
1515	my ($map) = @_;	2178	my ($map) = @_;
1516		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1517	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1518	}	2184	}
1519		2185
1520	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1522		2188
1523	sub find_async {	2189	sub find_async {
1524	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1525		2191
1526	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1527		2193
1528	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2196	}
1531		2197
1532	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1533	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1534	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2205	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2206	$map->load if $v;
		2207	}
1539		2208
1540	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1541	}	2210	}
1542	}	2211	}
1543	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1544	};	2213	};
1545	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2217	}
1549		2218
1550	sub save {	2219	sub save {
1551	my ($self) = @_;	2220	my ($self) = @_;
1552		2221
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2223
1555	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1556		2225
1557	return unless $self->dirty;	2226	return unless $self->dirty;
1558		2227
…		…
1564	return if $self->{deny_save};	2233	return if $self->{deny_save};
1565		2234
1566	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1567		2236
1568	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1570	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1571		2243
1572	if ($uniq) {	2244	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2247	} else {
…		…
1581	my ($self) = @_;	2253	my ($self) = @_;
1582		2254
1583	# save first because save cedes	2255	# save first because save cedes
1584	$self->save;	2256	$self->save;
1585		2257
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2259
1588	return if $self->players;	2260	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2262	return if $self->{deny_save};
1591		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2268	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2269	}
1595		2270
1596	sub reset_at {	2271	sub reset_at {
1597	my ($self) = @_;	2272	my ($self) = @_;
1598		2273
1599	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1602		2276
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2279
…		…
1616	my ($self) = @_;	2290	my ($self) = @_;
1617		2291
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2293
1620	return if $self->players;	2294	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2295
1623	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
1624		2297
1625	$self->in_memory (cf::MAP_SWAPPED);	2298	$self->in_memory (cf::MAP_SWAPPED);
1626		2299
1627	# need to save uniques path	2300	# need to save uniques path
1628	unless ($self->{deny_save}) {	2301	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2305	if $uniq;
1633	}	2306	}
1634		2307
1635	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1636		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2312	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2313
1641	$self->unlink_save;	2314	$self->unlink_save;
1642	$self->destroy;	2315	$self->destroy;
1643	}	2316	}
1644		2317
1645	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1646		2319
1647	sub nuke {	2320	sub nuke {
1648	my ($self) = @_;	2321	my ($self) = @_;
1649		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1650	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1651		2327
1652	$self->unlink_save;	2328	$self->unlink_save;
1653		2329
1654	bless $self, "cf::map";	2330	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2335
1660	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1661		2338
1662	$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	]
1663	}	2376	}
1664		2377
1665	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1666		2379
1667	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2381	instantiated unique items. May block.
1669		2382
1670	=cut	2383	=cut
1671		2384
1672	sub unique_maps() {	2385	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1674	or return;	2387	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2388	utf8::decode $_;
1680	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2391	? ()
1683	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2394	]
1685
1686	\@paths
1687	}	2395	}
1688
1689	package cf;
1690		2396
1691	=back	2397	=back
1692		2398
1693	=head3 cf::object	2399	=head3 cf::object
1694		2400
…		…
1698		2404
1699	=over 4	2405	=over 4
1700		2406
1701	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1702		2408
1703	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.
1704		2411
1705	=cut	2412	=cut
1706		2413
1707	sub inv_recursive_;	2414	sub inv_recursive_;
1708	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1711		2418
1712	sub inv_recursive {	2419	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1714	}	2421	}
1715		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
1716	package cf;	2451	package cf;
1717		2452
1718	=back	2453	=back
1719		2454
1720	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1729		2464
1730	=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	};
1731		2480
1732	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2482	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1737		2486
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2488
1740	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1745	}	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 (@_);
1746	}	2514	}
1747		2515
1748	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1749		2517
1750	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1798		2566
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2568
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1803		2571
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2573	}
1806		2574
1807	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1809		2579
1810	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1811		2581
1812	unless ($map) {	2582	unless ($map) {
1813	# restore original map position	2583	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1830		2600
1831	$map->load;	2601	$map->load;
1832	$map->load_diag;	2602	$map->load_neighbours;
1833		2603
1834	return unless $self->contr->active;	2604	return unless $self->contr->active;
1835	$self->activate_recursive;	2605	$self->activate_recursive;
1836		2606
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1839	}	2609	}
1840		2610
1841	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2612
1845	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1849	};	2617	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2618
1855	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2621
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1876		2625
1877	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2631
1880	$self->enter_link;	2632	$self->enter_link;
1881		2633
1882	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
1883	my $map = eval {	2656	my $map = eval {
1884	my $map = cf::map::find $path;	2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
		2661	$map = $check->($map) if $check && $map;
		2662	} else {
		2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
		2665
1886	$map	2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2672	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1891	})->prio (1);	2680	})->prio (1);
1892	}	2681	}
1893		2682
1894	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1895		2684
…		…
1915	}	2704	}
1916		2705
1917	sub prepare_random_map {	2706	sub prepare_random_map {
1918	my ($exit) = @_;	2707	my ($exit) = @_;
1919		2708
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2711	# that depends on the exit object
1925		2712
1926	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2715	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1933	}	2722	}
1934		2723
1935	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1936		2725
1937	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
1940		2729
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2732	undef $fh;
1944	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
1945		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1948	}	2741	}
1949	}	2742	}
1950		2743
1951	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
1953		2746
1954	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1955		2748
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2749	$self->enter_link;
1966		2750
1967	(async {	2751	(async {
1968	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1969	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
1970	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
1971		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1972	1;	2775	1
1973	}) {	2776	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2781
1979	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2783	$self->leave_link;
1981	}	2784	}
1982	})->prio (1);	2785	})->prio (1);
…		…
1998		2801
1999	utf8::encode $text;	2802	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2804	}
2002		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
2003		2970
2004	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
2005		2972
2006	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2976
2010	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2978	become reliable at some point in the future.
2012		2979
2013	=cut	2980	=cut
2014		2981
2015	sub cf::client::query {	2982	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2991	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2993
2027	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
2029	}	2998	}
2030		2999
2031	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
2032	on_reply => sub {	3006	on_reply => sub {
2033	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
2034		3008
2035	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
2036	# get handled first	3010	# get handled first
…		…
2048	} else {	3022	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3024	}
2051	}	3025	}
2052	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
2053	);	3053	);
2054		3054
2055	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
2056		3056
2057	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2100		3100
2101	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2102		3102
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2104		3108
2105	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2106		3110
2107	=pod	3111	=pod
2108		3112
2109	The following functions and methods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2110		3114
2111	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2112	cf::object::player player	3119	cf::object::player
2113	cf::player peaceful	3120	player
2114	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2115		3127
2116	=cut	3128	=cut
2117		3129
2118	for (	3130	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
2120	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2123	) {	3137	) {
2124	no strict 'refs';	3138	no strict 'refs';
…		…
2195	=back	3209	=back
2196		3210
2197	=cut	3211	=cut
2198		3212
2199	#############################################################################	3213	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3214	# the server's init and main functions
2273		3215
2274	sub load_facedata {	3216	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3217	my ($path) = @_;
		3218
		3219	# HACK to clear player env face cache, we need some signal framework
		3220	# for this (global event?)
		3221	%ext::player_env::MUSIC_FACE_CACHE = ();
		3222
		3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2276		3224
2277	warn "loading facedata from $path\n";	3225	warn "loading facedata from $path\n";
2278		3226
2279	my $faces;	3227	my $facedata;
2280	0 < aio_load $path, $faces	3228	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3229	or die "$path: $!";
2282		3230
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3231	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3232
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3233	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3235
		3236	# patch in the exptable
		3237	$facedata->{resource}{"res/exp_table"} = {
		3238	type => FT_RSRC,
		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3240	};
		3241	cf::cede_to_tick;
		3242
		3243	{
		3244	my $faces = $facedata->{faceinfo};
		3245
2291	while (my ($face, $info) = each %$faces) {	3246	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3248
		3249	cf::face::set_visibility $idx, $info->{visibility};
		3250	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	Coro::cede;
2297	}
2298		3253
		3254	cf::cede_to_tick;
		3255	}
		3256
2299	while (my ($face, $info) = each %$faces) {	3257	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3258	next unless $info->{smooth};
		3259
2301	my $idx = cf::face::find $face	3260	my $idx = cf::face::find $face
2302	or next;	3261	or next;
		3262
2303	if (my $smooth = cf::face::find $info->{smooth}) {	3263	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	3266	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	3268	}
2308	Coro::cede;	3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
2309	}	3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2310		3319
2311	1	3320	1
2312	}	3321	}
2313		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
2314	sub reload_resources {	3390	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3391	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3392
2317	load_facedata	3393	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
2319	}	3399	}
2320		3400
2321	sub init {	3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
2322	reload_resources;	3406	reload_resources;
2323	}	3407	}
2324		3408
2325	sub cfg_load {	3409	sub reload_config {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3411	or return;
2328		3412
2329	local $/;	3413	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2331		3415
2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2333		3417
2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2346	sub main {	3430	sub main {
2347	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2350	(async {	3434	(async {
2351	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2352	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2353	};	3438	};
2354		3439
2355	cfg_load;	3440	{
		3441	my $guard = freeze_mainloop;
		3442	reload_config;
2356	db_init;	3443	db_init;
2357	load_extensions;	3444	load_extensions;
2358		3445
2359	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2360	Event::loop;	3449	EV::loop;
2361	}	3450	}
2362		3451
2363	#############################################################################	3452	#############################################################################
2364	# initialisation and cleanup	3453	# initialisation and cleanup
2365		3454
2366	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2367	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2368	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2369	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2370	reentrant => 0,
2371	data => WF_AUTOCANCEL,
2372	signal => $signal,
2373	prio => 0,
2374	cb => sub {
2375	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2376	},
2377	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2378	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2379	}	3544	}
2380		3545
2381	sub emergency_save() {	3546	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2383		3548
…		…
2389	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2391	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3560	$pl->save;
2395	}	3561	}
2396	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2397		3563
2398	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2404	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
2405		3571
2406	warn "begin emergency database checkpoint\n";	3572	warn "begin emergency database checkpoint\n";
2407	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2408	warn "end emergency database checkpoint\n";	3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2409	};	3579	};
2410		3580
2411	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2412	}	3582	}
2413		3583
…		…
2416		3586
2417	warn Carp::longmess "post_cleanup backtrace"	3587	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3588	if $make_core;
2419	}	3589	}
2420		3590
2421	sub reload() {	3591	sub do_reload_perl() {
2422	# can/must only be called in main	3592	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	3594	warn "can only reload from main coroutine";
2425	return;	3595	return;
2426	}	3596	}
…		…
2428	warn "reloading...";	3598	warn "reloading...";
2429		3599
2430	warn "entering sync_job";	3600	warn "entering sync_job";
2431		3601
2432	cf::sync_job {	3602	cf::sync_job {
2433	cf::write_runtime; # external watchdog should not bark	3603	cf::write_runtime_sync; # external watchdog should not bark
2434	cf::emergency_save;	3604	cf::emergency_save;
2435	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2436		3606
2437	warn "syncing database to disk";	3607	warn "syncing database to disk";
2438	BDB::db_env_txn_checkpoint $DB_ENV;	3608	BDB::db_env_txn_checkpoint $DB_ENV;
2439		3609
2440	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2441
2442	warn "cancelling all WF_AUTOCANCEL watchers";
2443	for (Event::all_watchers) {
2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2445	}
2446		3611
2447	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2448	for (;;) {	3613	for (;;) {
2449	BDB::flush;	3614	BDB::flush;
2450	IO::AIO::flush;	3615	IO::AIO::flush;
2451	Coro::cede;	3616	Coro::cede_notself;
2452	last unless IO::AIO::nreqs || BDB::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2453	warn "iterate...";	3618	warn "iterate...";
2454	}	3619	}
2455		3620
2456	++$RELOAD;	3621	++$RELOAD;
…		…
2460	%EXT_CORO = ();	3625	%EXT_CORO = ();
2461		3626
2462	warn "removing commands";	3627	warn "removing commands";
2463	%COMMAND = ();	3628	%COMMAND = ();
2464		3629
2465	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2466	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2467		3633
2468	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2471		3637
…		…
2501	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3669
2504	warn "unloading cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2506		3673
2507	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3675	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2510		3677
…		…
2513	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2514	require cf;	3681	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2516		3683
2517	warn "loading config and database again";	3684	warn "loading config and database again";
2518	cf::cfg_load;	3685	cf::reload_config;
2519		3686
2520	warn "loading extensions";	3687	warn "loading extensions";
2521	cf::load_extensions;	3688	cf::load_extensions;
2522		3689
2523	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
…		…
2525	warn "reattaching attachments to maps";	3692	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3694	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3695	reattach $_ for values %PLAYER;
2529		3696
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	3697	warn "leaving sync_job";
2534		3698
2535	1	3699	1
2536	} or do {	3700	} or do {
2537	warn $@;	3701	warn $@;
2538	warn "error while reloading, exiting.";	3702	cf::cleanup "error while reloading, exiting.";
2539	exit 1;
2540	};	3703	};
2541		3704
2542	warn "reloaded";	3705	warn "reloaded";
2543	};	3706	};
2544		3707
2545	our $RELOAD_WATCHER; # used only during reload	3708	our $RELOAD_WATCHER; # used only during reload
2546		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2547	register_command "reload" => sub {	3720	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2549		3722
2550	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
2552		3725	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	3726	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	3727	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	3728	};
2565	}	3729	}
2566	};	3730	};
2567		3731
2568	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2569		3733
2570	my $bug_warning = 0;	3734	my $bug_warning = 0;
2571		3735
2572	$TICK_WATCHER = Event->timer (	3736	our @WAIT_FOR_TICK;
2573	reentrant => 0,	3737	our @WAIT_FOR_TICK_BEGIN;
2574	parked => 1,	3738
2575	prio => 0,	3739	sub wait_for_tick {
2576	at => $NEXT_TICK || $TICK,	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2577	data => WF_AUTOCANCEL,	3741
2578	cb => sub {	3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
2579	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2582	return;	3759	return;
2583	}	3760	}
2584		3761
2585	$NOW = Event::time;
2586
2587	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2588	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;
2590		3763
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2593	Coro::async_pool {	3766	Coro::async_pool {
		3767	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	3768	write_runtime_sync
2595	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
2596	};
2597	}	3770	};
2598
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#
2604
2605	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2607
2608	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;
2610	},	3771	}
2611	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
2612		3791
2613	{	3792	{
2614	BDB::max_poll_time $TICK * 0.1;	3793	# configure BDB
2615	$BDB_POLL_WATCHER = Event->io (	3794
2616	reentrant => 0,
2617	fd => BDB::poll_fileno,
2618	poll => 'r',
2619	prio => 0,
2620	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,
2622	);
2623	BDB::min_parallel 8;	3795	BDB::min_parallel 8;
2624		3796	BDB::max_poll_reqs $TICK * 0.1;
2625	BDB::set_sync_prepare {	3797	$AnyEvent::BDB::WATCHER->priority (1);
2626	my $status;
2627	my $current = $Coro::current;
2628	(
2629	sub {
2630	$status = $!;
2631	$current->ready; undef $current;
2632	},
2633	sub {
2634	Coro::schedule while defined $current;
2635	$! = $status;
2636	},
2637	)
2638	};
2639		3798
2640	unless ($DB_ENV) {	3799	unless ($DB_ENV) {
2641	$DB_ENV = BDB::db_env_create;	3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2642		3806
2643	cf::sync_job {	3807	cf::sync_job {
2644	eval {	3808	eval {
2645	BDB::db_env_open	3809	BDB::db_env_open
2646	$DB_ENV,	3810	$DB_ENV,
2647	$BDB_ENV_DIR,	3811	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3814	0666;
2651		3815
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	3817	};
2657		3818
2658	cf::cleanup "db_env_open(db): $@" if $@;	3819	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	3820	};
2660	}	3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
2661	}	3832	}
2662		3833
2663	{	3834	{
		3835	# configure IO::AIO
		3836
2664	IO::AIO::min_parallel 8;	3837	IO::AIO::min_parallel 8;
2665
2666	undef $Coro::AIO::WATCHER;
2667	IO::AIO::max_poll_time $TICK * 0.1;	3838	IO::AIO::max_poll_time $TICK * 0.1;
2668	$AIO_POLL_WATCHER = Event->io (	3839	undef $AnyEvent::AIO::WATCHER;
2669	reentrant => 0,
2670	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,
2672	poll => 'r',
2673	prio => 6,
2674	cb => \&IO::AIO::poll_cb,
2675	);
2676	}	3840	}
		3841
		3842	my $_log_backtrace;
		3843
		3844	sub _log_backtrace {
		3845	my ($msg, @addr) = @_;
		3846
		3847	$msg =~ s/\n//;
		3848
		3849	# limit the # of concurrent backtraces
		3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2677		3884
2678	END { cf::emergency_save }	3885	END { cf::emergency_save }
2679		3886
2680	1	3887	1
2681		3888

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