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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::AnyEvent;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
20	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		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"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	720	}
377		721
378	=back	722	=back
379		723
380	=cut	724	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
389		733
390	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>
391	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
392	crossfire+).	736	Deliantra).
393		737
394	=over 4	738	=over 4
395		739
396	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
397		741
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
561		905
562	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		910
567	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	912	my $pkg = shift @arg;
569		913
570	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
600	}	944	}
601		945
602	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
603	} else {	947	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	949	}
606		950
607	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
608	}	952	}
609		953
…		…
611	if (ref $_[0]) {	955	if (ref $_[0]) {
612	_object_attach @_;	956	_object_attach @_;
613	} else {	957	} else {
614	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
615	}	959	}
		960	_recalc_want;
616	};	961	};
617		962
618	# all those should be optimised	963	# all those should be optimised
619	sub cf::attachable::detach {	964	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
624	reattach ($obj);	969	reattach ($obj);
625	} else {	970	} else {
626	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
627	}	972	}
		973	_recalc_want;
628	};	974	};
629		975
630	sub cf::attachable::attached {	976	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
632		978
…		…
647	";	993	";
648	die if $@;	994	die if $@;
649	}	995	}
650		996
651	our $override;	997	our $override;
652	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?
653		999
654	sub override {	1000	sub override {
655	$override = 1;	1001	$override = 1;
656	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
657	}	1003	}
658		1004
659	sub do_invoke {	1005	sub do_invoke {
660	my $event = shift;	1006	my $event = shift;
661	my $callbacks = shift;	1007	my $callbacks = shift;
662		1008
663	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
664		1010
665	local $override;	1011	local $override;
666		1012
667	for (@$callbacks) {	1013	for (@$callbacks) {
668	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
677	}	1023	}
678		1024
679	0	1025	0
680	}	1026	}
681		1027
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1029
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1031
686	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
687		1033
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1037
692	=back	1038	=back
693		1039
694	=cut	1040	=cut
695		1041
696	#############################################################################	1042	#############################################################################
697	# 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, $ob2
		1085	}
698		1086
699	sub reattach {	1087	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1089	my ($obj) = @_;
702		1090
…		…
723	cf::attachable->attach (	1111	cf::attachable->attach (
724	prio => -1000000,	1112	prio => -1000000,
725	on_instantiate => sub {	1113	on_instantiate => sub {
726	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
727		1115
728	$data = from_json $data;	1116	$data = decode_json $data;
729		1117
730	for (@$data) {	1118	for (@$data) {
731	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
732		1120
733	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1137	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
751		1139
752	sync_job {	1140	sync_job {
753	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
756		1145
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1150	aio_close $fh;
762		1151
763	if (@$objs) {	1152	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1158	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
771	}	1160	}
772	} else {	1161	} else {
773	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
774	}	1163	}
…		…
779	}	1168	}
780	} else {	1169	} else {
781	aio_unlink $filename;	1170	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
783	}	1172	}
784	}	1173	};
785	}	1174	}
786		1175
787	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
789		1178
…		…
801	or return;	1190	or return;
802		1191
803	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
805	or return;	1194	or return;
		1195
806	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
807	}	1198	}
808		1199
		1200	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
811	return ($data, $av);	1204	($data, $av)
812	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
813		1212
814	#############################################################################	1213	#############################################################################
815	# command handling &c	1214	# command handling &c
816		1215
817	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1230	}
832		1231
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1233
835	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.
836		1239
837	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
838	called.	1241	called.
839		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
840	=cut	1254	=cut
841		1255
842	sub register_extcmd {	1256	sub register_extcmd {
843	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
844		1258
845	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
846	}	1266	}
847		1267
848	cf::player->attach (	1268	cf::player->attach (
849	on_command => sub {	1269	on_command => sub {
850	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1279	cf::override;
860	},	1280	},
861	on_extcmd => sub {	1281	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
863		1283
864	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1285
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
872	} else {	1301	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1303	}
875		1304
876	cf::override;	1305	cf::override;
877	},	1306	},
878	);	1307	);
879		1308
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
915	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1314	next unless -r $path;
917	eval {	1315
918	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	$progress = 1;
919	1	1372	}
920	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
921	}	1378	};
922	}	1379	}
923		1380
924	#############################################################################	1381	#############################################################################
925		1382
		1383	=back
		1384
926	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
927		1386
928	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
929		1388
930	=cut	1389	=cut
…		…
935		1394
936	=head3 cf::player	1395	=head3 cf::player
937		1396
938	=over 4	1397	=over 4
939		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
940	=item cf::player::find $login	1413	=item cf::player::find $login
941		1414
942	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
943		1416
944	=cut	1417	=cut
945		1418
946	sub playerdir($) {	1419	sub playerdir($) {
947	cf::localdir	1420	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1422	}
953		1423
954	sub path($) {	1424	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1426
957	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
958	}	1428	}
959		1429
960	sub find_active($) {	1430	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1445	my $login = $_[0];
976		1446
977	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
978		1448
979	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
983	}	1466	}
984	}	1467	}
985	}	1468	}
986		1469
…		…
995	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
996		1479
997	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
999		1482
		1483	cf::get_slot 0.01;
		1484
1000	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1001	Coro::cede;	1486	cf::cede_to_tick;
1002	}	1487	}
1003		1488
1004	sub new($) {	1489	sub new($) {
1005	my ($login) = @_;	1490	my ($login) = @_;
1006		1491
…		…
1012	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1013		1498
1014	$self	1499	$self
1015	}	1500	}
1016		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
1017	=item $pl->quit_character	1512	=item $pl->quit_character
1018		1513
1019	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
1020	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1021		1516
…		…
1029	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1030	$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
1031		1526
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1036		1533
1037	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1069		1566
1070	=cut	1567	=cut
1071		1568
1072	sub list_logins {	1569	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1571	or return [];
1075		1572
1076	my @logins;	1573	my @logins;
1077		1574
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1082		1585
1083	utf8::decode $login;	1586	utf8::decode $login;
1084	push @logins, $login;	1587	push @logins, $login;
1085	}	1588	}
1086		1589
…		…
1113	}	1616	}
1114		1617
1115	\@paths	1618	\@paths
1116	}	1619	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1119		1715
1120	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1121		1717
1122	=cut	1718	=cut
1123		1719
1124	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1126		1722
1127	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1724	}
1131		1725
1132	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	}
1133		1766
1134	=back	1767	=back
1135
1136		1768
1137	=head3 cf::map	1769	=head3 cf::map
1138		1770
1139	=over 4	1771	=over 4
1140		1772
…		…
1152	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1154		1786
1155	sub generate_random_map {	1787	sub generate_random_map {
1156	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
1157	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1793	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1196		1831
1197	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1198	local $self->{path};	1833	local $self->{path};
1199	local $self->{load_path};	1834	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1835
1203	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1204	}	1837	}
1205		1838
1206	sub normalise {	1839	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1254	return $self;	1887	return $self;
1255	}	1888	}
1256	}	1889	}
1257		1890
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1892	()
1260	}	1893	}
1261		1894
1262	sub init {	1895	sub init {
1263	my ($self) = @_;	1896	my ($self) = @_;
…		…
1278		1911
1279	# the original (read-only) location	1912	# the original (read-only) location
1280	sub load_path {	1913	sub load_path {
1281	my ($self) = @_;	1914	my ($self) = @_;
1282		1915
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1284	}	1917	}
1285		1918
1286	# the temporary/swap location	1919	# the temporary/swap location
1287	sub save_path {	1920	sub save_path {
1288	my ($self) = @_;	1921	my ($self) = @_;
1289		1922
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1292	}	1925	}
1293		1926
1294	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1295	sub uniq_path {	1928	sub uniq_path {
1296	my ($self) = @_;	1929	my ($self) = @_;
1297		1930
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1300	}	1933	}
1301		1934
1302	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1303	# all maps in C++...	1936	# all maps in C++...
1304	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1306		1939
1307	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1309	}	1942	}
1310		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1311	sub unlink_save {	1952	sub unlink_save {
1312	my ($self) = @_;	1953	my ($self) = @_;
1313		1954
1314	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1959
1319	sub load_header_from($) {	1960	sub load_header_from($) {
1320	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1321		1962
1322	utf8::encode $path;	1963	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1972
1329	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1330		1974
1331	1	1975	1
1332	}	1976	}
…		…
1371	$self->load_header_orig	2015	$self->load_header_orig
1372	or return;	2016	or return;
1373	$self->prepare_orig;	2017	$self->prepare_orig;
1374	}	2018	}
1375		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
1376	1	2026	1
1377	}	2027	}
1378		2028
1379	sub find;	2029	sub find;
1380	sub find {	2030	sub find {
1381	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1382		2032
1383	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1384		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1386		2037
1387	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1389	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1390	or return;	2043	or return;
1391		2044
1392	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1393		2046
1394	$map->load_header	2047	$map->load_header
1395	or return;	2048	or return;
1396		2049
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1400	$map->reset;	2055	$map->reset;
1401	undef $guard;
1402	return find $path;	2056	return find $path;
1403	}	2057	}
1404		2058
1405	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1406	}	2060	}
…		…
1413	my ($self) = @_;	2067	my ($self) = @_;
1414		2068
1415	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1416		2070
1417	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1419		2075
		2076	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2078
1422	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1423		2080
1424	$self->alloc;	2081	$self->alloc;
1425		2082
1426	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1427		2085
1428	$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)
1429	or return;	2089	or return;
1430		2090
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2092	if delete $self->{load_original};
1433		2093
1434	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2095	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2098	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1439	}	2102	}
1440	}	2103	}
1441		2104
1442	Coro::cede;	2105	$f->resolve_delayed_derefs;
1443		2106
		2107	cf::cede_to_tick;
1444	# now do the right thing for maps	2108	# now do the right thing for maps
1445	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2111	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2128	}
1458		2129
1459	$self->post_load;	2130	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2131	}
1463		2132
1464	sub customise_for {	2133	sub customise_for {
1465	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1466		2135
1467	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2137	if $self->per_player;
1469		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1470	$self	2142	$self
1471	}	2143	}
1472		2144
1473	# 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
1474	sub load_diag {	2146	sub load_neighbours {
1475	my ($map) = @_;	2147	my ($map) = @_;
1476		2148
1477	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1478		2150
1479	for (0 .. 3) {	2151	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1481	or next;	2153	or next;
1482	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1483	or next;	2155	or next;
1484	$neigh->load;	2156	$neigh->load;
1485		2157
		2158	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2161	}
1489		2162
1490	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1492	or next;	2166	or next;
1493	$neigh->load;	2167	$neigh->load;
1494	}	2168	}
1495	}	2169	}
1496		2170
…		…
1501	}	2175	}
1502		2176
1503	sub do_load_sync {	2177	sub do_load_sync {
1504	my ($map) = @_;	2178	my ($map) = @_;
1505		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1506	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1507	}	2184	}
1508		2185
1509	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1511		2188
1512	sub find_async {	2189	sub find_async {
1513	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1514		2191
1515	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1516		2193
1517	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2196	}
1520		2197
1521	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1522	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1523	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2205	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2206	$map->load if $v;
		2207	}
1528		2208
1529	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1530	}	2210	}
1531	}	2211	}
1532	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1533	};	2213	};
1534	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2217	}
1538		2218
1539	sub save {	2219	sub save {
1540	my ($self) = @_;	2220	my ($self) = @_;
1541		2221
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2223
1544	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1545		2225
1546	return unless $self->dirty;	2226	return unless $self->dirty;
1547		2227
…		…
1553	return if $self->{deny_save};	2233	return if $self->{deny_save};
1554		2234
1555	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1556		2236
1557	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1559	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1560		2243
1561	if ($uniq) {	2244	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2247	} else {
…		…
1570	my ($self) = @_;	2253	my ($self) = @_;
1571		2254
1572	# save first because save cedes	2255	# save first because save cedes
1573	$self->save;	2256	$self->save;
1574		2257
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2259
1577	return if $self->players;	2260	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2262	return if $self->{deny_save};
1580		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2268	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2269	}
1584		2270
1585	sub reset_at {	2271	sub reset_at {
1586	my ($self) = @_;	2272	my ($self) = @_;
1587		2273
1588	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1591		2276
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2279
…		…
1605	my ($self) = @_;	2290	my ($self) = @_;
1606		2291
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2293
1609	return if $self->players;	2294	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2295
1612	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
1613		2297
1614	$self->in_memory (cf::MAP_SWAPPED);	2298	$self->in_memory (cf::MAP_SWAPPED);
1615		2299
1616	# need to save uniques path	2300	# need to save uniques path
1617	unless ($self->{deny_save}) {	2301	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2305	if $uniq;
1622	}	2306	}
1623		2307
1624	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1625		2309
		2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2312	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2313
1630	$self->unlink_save;	2314	$self->unlink_save;
1631	$self->destroy;	2315	$self->destroy;
1632	}	2316	}
1633		2317
1634	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1635		2319
1636	sub nuke {	2320	sub nuke {
1637	my ($self) = @_;	2321	my ($self) = @_;
1638		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1639	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1640		2327
1641	$self->unlink_save;	2328	$self->unlink_save;
1642		2329
1643	bless $self, "cf::map";	2330	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2335
1649	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1650		2338
1651	$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	]
1652	}	2376	}
1653		2377
1654	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1655		2379
1656	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2381	instantiated unique items. May block.
1658		2382
1659	=cut	2383	=cut
1660		2384
1661	sub unique_maps() {	2385	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1663	or return;	2387	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2388	utf8::decode $_;
1669	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2391	? ()
1672	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2394	]
1674
1675	\@paths
1676	}	2395	}
1677
1678	package cf;
1679		2396
1680	=back	2397	=back
1681		2398
1682	=head3 cf::object	2399	=head3 cf::object
1683		2400
…		…
1687		2404
1688	=over 4	2405	=over 4
1689		2406
1690	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1691		2408
1692	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.
1693		2411
1694	=cut	2412	=cut
1695		2413
1696	sub inv_recursive_;	2414	sub inv_recursive_;
1697	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1700		2418
1701	sub inv_recursive {	2419	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1703	}	2421	}
1704		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
1705	package cf;	2451	package cf;
1706		2452
1707	=back	2453	=back
1708		2454
1709	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1718		2464
1719	=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	};
1720		2480
1721	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2482	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1726		2486
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2488
1729	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1734	}	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 (@_);
1735	}	2514	}
1736		2515
1737	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1738		2517
1739	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1787		2566
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2568
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1792		2571
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2573	}
1795		2574
1796	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1798		2579
1799	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1800		2581
1801	unless ($map) {	2582	unless ($map) {
1802	# restore original map position	2583	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1819		2600
1820	$map->load;	2601	$map->load;
1821	$map->load_diag;	2602	$map->load_neighbours;
1822		2603
1823	return unless $self->contr->active;	2604	return unless $self->contr->active;
1824	$self->activate_recursive;	2605	$self->activate_recursive;
1825		2606
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1828	}	2609	}
1829		2610
1830	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2612
1834	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1838	};	2617	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2618
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2619	=cut
		2620
		2621	our $GOTOGEN;
1865		2622
1866	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2624	my ($self, $path, $x, $y, $check, $done) = @_;
		2625
		2626	# do generation counting so two concurrent goto's will be executed in-order
		2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2628
1869	$self->enter_link;	2629	$self->enter_link;
1870		2630
1871	(async {	2631	(async {
		2632	$Coro::current->{desc} = "player::goto $path $x $y";
		2633
		2634	# *tag paths override both path and x|y
		2635	if ($path =~ /^\*(.*)$/) {
		2636	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2637	my $ob = $obs[rand @obs];
		2638
		2639	# see if we actually can go there
		2640	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2641	$ob = $obs[rand @obs];
		2642	} else {
		2643	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645	# else put us there anyways for now #d#
		2646
		2647	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2648	} else {
		2649	($path, $x, $y) = (undef, undef, undef);
		2650	}
		2651	}
		2652
1872	my $map = eval {	2653	my $map = eval {
1873	my $map = cf::map::find $path;	2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
		2658	$map = $check->($map) if $check && $map;
		2659	} else {
		2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
		2662
1875	$map	2663	$map
		2664	};
		2665
		2666	if ($@) {
		2667	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2669	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1880	})->prio (1);	2677	})->prio (1);
1881	}	2678	}
1882		2679
1883	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
1884		2681
…		…
1904	}	2701	}
1905		2702
1906	sub prepare_random_map {	2703	sub prepare_random_map {
1907	my ($exit) = @_;	2704	my ($exit) = @_;
1908		2705
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2708	# that depends on the exit object
1914		2709
1915	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2712	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2713	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
1922	}	2719	}
1923		2720
1924	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
1925		2722
1926	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
1929		2726
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2729	undef $fh;
1933	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
1934		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
1937	}	2738	}
1938	}	2739	}
1939		2740
1940	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
1942		2743
1943	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
1944		2745
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2746	$self->enter_link;
1955		2747
1956	(async {	2748	(async {
1957	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
1958	unless (eval {	2751	unless (eval {
		2752	$self->deactivate_recursive; # just to be sure
		2753
		2754	# random map handling
		2755	{
		2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2757
		2758	prepare_random_map $exit
		2759	if $exit->slaying eq "/!";
		2760	}
		2761
		2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
		2765
1959	$self->goto ($slaying, $hp, $sp);	2766	$self->goto ($map, $x, $y);
1960		2767
		2768	# if exit is damned, update players death & WoR home-position
		2769	$self->contr->savebed ($map, $x, $y)
		2770	if $exit->flag (cf::FLAG_DAMNED);
		2771
1961	1;	2772	1
1962	}) {	2773	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2775	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2778
1968	warn "ERROR in enter_exit: $@";	2779	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2780	$self->leave_link;
1970	}	2781	}
1971	})->prio (1);	2782	})->prio (1);
…		…
1987		2798
1988	utf8::encode $text;	2799	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2801	}
1991		2802
		2803	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2804
		2805	Send a drawinfo or msg packet to the client, formatting the msg for the
		2806	client if neccessary. C<$type> should be a string identifying the type of
		2807	the message, with C<log> being the default. If C<$color> is negative, suppress
		2808	the message unless the client supports the msg packet.
		2809
		2810	=cut
		2811
		2812	# non-persistent channels (usually the info channel)
		2813	our %CHANNEL = (
		2814	"c/identify" => {
		2815	id => "infobox",
		2816	title => "Identify",
		2817	reply => undef,
		2818	tooltip => "Items recently identified",
		2819	},
		2820	"c/examine" => {
		2821	id => "infobox",
		2822	title => "Examine",
		2823	reply => undef,
		2824	tooltip => "Signs and other items you examined",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/uptime" => {
		2851	id => "infobox",
		2852	title => "Uptime",
		2853	reply => undef,
		2854	tooltip => "How long the server has been running since last restart",
		2855	},
		2856	"c/mapinfo" => {
		2857	id => "infobox",
		2858	title => "Map Info",
		2859	reply => undef,
		2860	tooltip => "Information related to the maps",
		2861	},
		2862	"c/party" => {
		2863	id => "party",
		2864	title => "Party",
		2865	reply => "gsay ",
		2866	tooltip => "Messages and chat related to your party",
		2867	},
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg);
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883
		2884	$channel = $channel->{id};
		2885
		2886	} elsif (ref $channel) {
		2887	# send meta info to client, if not yet sent
		2888	unless (exists $self->{channel}{$channel->{id}}) {
		2889	$self->{channel}{$channel->{id}} = $channel;
		2890	$self->ext_msg (channel_info => $channel)
		2891	if $self->can_msg;
		2892	}
		2893
		2894	$channel = $channel->{id};
		2895	}
		2896
		2897	return unless @extra || length $msg;
		2898
		2899	if ($self->can_msg) {
		2900	# default colour, mask it out
		2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2902	if $color & cf::NDI_DEF;
		2903
		2904	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2906	} else {
		2907	if ($color >= 0) {
		2908	# replace some tags by gcfclient-compatible ones
		2909	for ($msg) {
		2910	1 while
		2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2916	}
		2917
		2918	$color &= cf::NDI_COLOR_MASK;
		2919
		2920	utf8::encode $msg;
		2921
		2922	if (0 && $msg =~ /\[/) {
		2923	# COMMAND/INFO
		2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2925	} else {
		2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2927	$self->send_packet ("drawinfo $color $msg")
		2928	}
		2929	}
		2930	}
		2931	}
		2932
		2933	=item $client->ext_msg ($type, @msg)
		2934
		2935	Sends an ext event to the client.
		2936
		2937	=cut
		2938
		2939	sub cf::client::ext_msg($$@) {
		2940	my ($self, $type, @msg) = @_;
		2941
		2942	if ($self->extcmd == 2) {
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2944	} elsif ($self->extcmd == 1) { # TODO: remove
		2945	push @msg, msgtype => "event_$type";
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
		2949
		2950	=item $client->ext_reply ($msgid, @msg)
		2951
		2952	Sends an ext reply to the client.
		2953
		2954	=cut
		2955
		2956	sub cf::client::ext_reply($$@) {
		2957	my ($self, $id, @msg) = @_;
		2958
		2959	if ($self->extcmd == 2) {
		2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2961	} elsif ($self->extcmd == 1) {
		2962	#TODO: version 1, remove
		2963	unshift @msg, msgtype => "reply", msgid => $id;
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2965	}
		2966	}
1992		2967
1993	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
1994		2969
1995	Queues a query to the client, calling the given callback with	2970	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2971	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2972	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2973
1999	Queries can fail, so check the return code. Or don't, as queries will become	2974	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2975	become reliable at some point in the future.
2001		2976
2002	=cut	2977	=cut
2003		2978
2004	sub cf::client::query {	2979	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2988	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2990
2016	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
2018	}	2995	}
2019		2996
2020	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
2021	on_reply => sub {	3003	on_reply => sub {
2022	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
2023		3005
2024	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
2025	# get handled first	3007	# get handled first
…		…
2037	} else {	3019	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3021	}
2040	}	3022	}
2041	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($ns, $buf) = @_;
		3026
		3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3028
		3029	if (ref $msg) {
		3030	my ($type, $reply, @payload) =
		3031	"ARRAY" eq ref $msg
		3032	? @$msg
		3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3034
		3035	my @reply;
		3036
		3037	if (my $cb = $EXTICMD{$type}) {
		3038	@reply = $cb->($ns, @payload);
		3039	}
		3040
		3041	$ns->ext_reply ($reply, @reply)
		3042	if $reply;
		3043
		3044	} else {
		3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3046	}
		3047
		3048	cf::override;
		3049	},
2042	);	3050	);
2043		3051
2044	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
2045		3053
2046	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2089		3097
2090	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2091		3099
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2093		3105
2094	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2095		3107
2096	=pod	3108	=pod
2097		3109
2098	The following fucntions and emthods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2099		3111
2100	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2101	cf::object::player player	3116	cf::object::player
2102	cf::player peaceful	3117	player
2103	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2104		3124
2105	=cut	3125	=cut
2106		3126
2107	for (	3127	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2109	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2112	) {	3134	) {
2113	no strict 'refs';	3135	no strict 'refs';
…		…
2184	=back	3206	=back
2185		3207
2186	=cut	3208	=cut
2187		3209
2188	#############################################################################	3210	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3211	# the server's init and main functions
2262		3212
2263	sub load_faces {	3213	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3214	my ($path) = @_;
2265		3215
		3216	# HACK to clear player env face cache, we need some signal framework
		3217	# for this (global event?)
		3218	%ext::player_env::MUSIC_FACE_CACHE = ();
		3219
		3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3221
2266	warn "loading faces from $path\n";	3222	warn "loading facedata from $path\n";
2267		3223
2268	my $faces;	3224	my $facedata;
2269	0 < aio_load $path, $faces	3225	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3226	or die "$path: $!";
2271		3227
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3228	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3229
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3230	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3232
		3233	# patch in the exptable
		3234	$facedata->{resource}{"res/exp_table"} = {
		3235	type => FT_RSRC,
		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3237	};
		3238	cf::cede_to_tick;
		3239
		3240	{
		3241	my $faces = $facedata->{faceinfo};
		3242
2280	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3245
		3246	cf::face::set_visibility $idx, $info->{visibility};
		3247	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3250
		3251	cf::cede_to_tick;
		3252	}
		3253
2287	while (my ($face, $info) = each %$faces) {	3254	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3255	next unless $info->{smooth};
		3256
2289	my $idx = cf::face::find $face	3257	my $idx = cf::face::find $face
2290	or next;	3258	or next;
		3259
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3260	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3261	cf::face::set_smooth $idx, $smooth;
		3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3263	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3264	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3265	}
2296	Coro::cede;	3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
2297	}	3271	{
		3272	my $anims = $facedata->{animinfo};
		3273
		3274	while (my ($anim, $info) = each %$anims) {
		3275	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3276	cf::cede_to_tick;
		3277	}
		3278
		3279	cf::anim::invalidate_all; # d'oh
		3280	}
		3281
		3282	{
		3283	# TODO: for gcfclient pleasure, we should give resources
		3284	# that gcfclient doesn't grok a >10000 face index.
		3285	my $res = $facedata->{resource};
		3286
		3287	while (my ($name, $info) = each %$res) {
		3288	if (defined $info->{type}) {
		3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3290	my $data;
		3291
		3292	if ($info->{type} & 1) {
		3293	# prepend meta info
		3294
		3295	my $meta = $enc->encode ({
		3296	name => $name,
		3297	%{ $info->{meta} || {} },
		3298	});
		3299
		3300	$data = pack "(w/a*)*", $meta, $info->{data};
		3301	} else {
		3302	$data = $info->{data};
		3303	}
		3304
		3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3306	cf::face::set_type $idx, $info->{type};
		3307	} else {
		3308	$RESOURCE{$name} = $info;
		3309	}
		3310
		3311	cf::cede_to_tick;
		3312	}
		3313	}
		3314
		3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3316
2299	1	3317	1
2300	}	3318	}
2301		3319
		3320	cf::global->attach (on_resource_update => sub {
		3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3323
		3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3325	my $sound = $soundconf->{compat}[$_]
		3326	or next;
		3327
		3328	my $face = cf::face::find "sound/$sound->[1]";
		3329	cf::sound::set $sound->[0] => $face;
		3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3331	}
		3332
		3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3334	my $face = cf::face::find "sound/$v";
		3335	cf::sound::set $k => $face;
		3336	}
		3337	}
		3338	});
		3339
		3340	register_exticmd fx_want => sub {
		3341	my ($ns, $want) = @_;
		3342
		3343	while (my ($k, $v) = each %$want) {
		3344	$ns->fx_want ($k, $v);
		3345	}
		3346	};
		3347
		3348	sub load_resource_file($) {
		3349	my $guard = lock_acquire "load_resource_file";
		3350
		3351	my $status = load_resource_file_ $_[0];
		3352	get_slot 0.1, 100;
		3353	cf::arch::commit_load;
		3354
		3355	$status
		3356	}
		3357
		3358	sub reload_regions {
		3359	# HACK to clear player env face cache, we need some signal framework
		3360	# for this (global event?)
		3361	%ext::player_env::MUSIC_FACE_CACHE = ();
		3362
		3363	load_resource_file "$MAPDIR/regions"
		3364	or die "unable to load regions file\n";
		3365
		3366	for (cf::region::list) {
		3367	$_->{match} = qr/$_->{match}/
		3368	if exists $_->{match};
		3369	}
		3370	}
		3371
		3372	sub reload_facedata {
		3373	load_facedata "$DATADIR/facedata"
		3374	or die "unable to load facedata\n";
		3375	}
		3376
		3377	sub reload_archetypes {
		3378	load_resource_file "$DATADIR/archetypes"
		3379	or die "unable to load archetypes\n";
		3380	}
		3381
		3382	sub reload_treasures {
		3383	load_resource_file "$DATADIR/treasures"
		3384	or die "unable to load treasurelists\n";
		3385	}
		3386
2302	sub reload_resources {	3387	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3388	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3389
2305	load_faces	3390	reload_facedata;
2306	or die "unable to load faces\n";#d#	3391	reload_archetypes;
		3392	reload_regions;
		3393	reload_treasures;
		3394
		3395	warn "finished reloading resource files\n";
2307	}	3396	}
2308		3397
2309	sub init {	3398	sub init {
		3399	my $guard = freeze_mainloop;
		3400
		3401	evthread_start IO::AIO::poll_fileno;
		3402
2310	reload_resources;	3403	reload_resources;
2311	}	3404	}
2312		3405
2313	sub cfg_load {	3406	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3408	or return;
2316		3409
2317	local $/;	3410	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2319		3412
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3414
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2334	sub main {	3427	sub main {
2335	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3431	(async {
2339	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2341	};	3435	};
2342		3436
2343	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2344	db_init;	3440	db_init;
2345	load_extensions;	3441	load_extensions;
2346		3442
2347	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2348	Event::loop;	3446	EV::loop;
2349	}	3447	}
2350		3448
2351	#############################################################################	3449	#############################################################################
2352	# initialisation and cleanup	3450	# initialisation and cleanup
2353		3451
2354	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2355	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2364	},
2365	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2366	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2367	}	3541	}
2368		3542
2369	sub emergency_save() {	3543	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2371		3545
…		…
2377	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3557	$pl->save;
2383	}	3558	}
2384	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2385		3560
2386	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2392	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2393		3568
2394	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2397	};	3576	};
2398		3577
2399	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2400	}	3579	}
2401		3580
…		…
2404		3583
2405	warn Carp::longmess "post_cleanup backtrace"	3584	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3585	if $make_core;
2407	}	3586	}
2408		3587
2409	sub reload() {	3588	sub do_reload_perl() {
2410	# can/must only be called in main	3589	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2413	return;	3592	return;
2414	}	3593	}
…		…
2416	warn "reloading...";	3595	warn "reloading...";
2417		3596
2418	warn "entering sync_job";	3597	warn "entering sync_job";
2419		3598
2420	cf::sync_job {	3599	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3601	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2424		3603
2425	warn "syncing database to disk";	3604	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3606
2428	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434		3608
2435	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2436	for (;;) {	3610	for (;;) {
2437	BDB::flush;	3611	BDB::flush;
2438	IO::AIO::flush;	3612	IO::AIO::flush;
2439	Coro::cede;	3613	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3615	warn "iterate...";
2442	}	3616	}
2443		3617
2444	++$RELOAD;	3618	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3622	%EXT_CORO = ();
2449		3623
2450	warn "removing commands";	3624	warn "removing commands";
2451	%COMMAND = ();	3625	%COMMAND = ();
2452		3626
2453	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2455		3630
2456	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2459		3634
…		…
2489	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3666
2492	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2494		3670
2495	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3672	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2498		3674
…		…
2501	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2502	require cf;	3678	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3680
2505	warn "loading config and database again";	3681	warn "loading config and database again";
2506	cf::cfg_load;	3682	cf::reload_config;
2507		3683
2508	warn "loading extensions";	3684	warn "loading extensions";
2509	cf::load_extensions;	3685	cf::load_extensions;
2510		3686
2511	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3691	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3692	reattach $_ for values %PLAYER;
2517		3693
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3694	warn "leaving sync_job";
2522		3695
2523	1	3696	1
2524	} or do {	3697	} or do {
2525	warn $@;	3698	warn $@;
2526	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2527	exit 1;
2528	};	3700	};
2529		3701
2530	warn "reloaded";	3702	warn "reloaded";
2531	};	3703	};
2532		3704
2533	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2534		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2535	register_command "reload" => sub {	3717	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2537		3719
2538	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2540		3722	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3724	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3725	};
2553	}	3726	}
2554	};	3727	};
2555		3728
2556	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2557		3730
2558	my $bug_warning = 0;	3731	my $bug_warning = 0;
2559		3732
2560	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3735
2563	prio => 0,	3736	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3738
2566	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2567	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2570	return;	3756	return;
2571	}	3757	}
2572		3758
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3760
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3765	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3767	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3768	}
2599	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2600		3788
2601	{	3789	{
2602	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3791
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2612		3793	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3795
2628	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3802
2631	cf::sync_job {	3803	cf::sync_job {
2632	eval {	3804	eval {
2633	BDB::db_env_open	3805	BDB::db_env_open
2634	$DB_ENV,	3806	$DB_ENV,
2635	$BDB_ENV_DIR,	3807	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3810	0666;
2639		3811
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3813	};
2645		3814
2646	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3816	};
2648	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2649	}	3828	}
2650		3829
2651	{	3830	{
		3831	# configure IO::AIO
		3832
2652	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3835	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2665		3880
2666	END { cf::emergency_save }	3881	END { cf::emergency_save }
2667		3882
2668	1	3883	1
2669		3884

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