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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
87		139
88	sub cf::map::normalise;	140	sub cf::map::normalise;
89		141
…		…
100	=item $cf::RUNTIME	152	=item $cf::RUNTIME
101		153
102	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
103	every server tick.	155	every server tick.
104		156
105	=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
106		160
107	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		165
110	=item $cf::NOW	166	=item $cf::NOW
111		167
112	The time of the last (current) server tick.	168	The time of the last (current) server tick.
113		169
114	=item $cf::TICK	170	=item $cf::TICK
115		171
116	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	184	=item %cf::CFG
119		185
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	187	from wherever your confdir points to.
122		188
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		190
125	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
126	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
127	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.
128	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.
129		200
130	=back	201	=back
131		202
132	=cut	203	=cut
133		204
134	BEGIN {	205	BEGIN {
135	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	207	my $msg = join "", @_;
137	utf8::encode $msg;
138		208
139	$msg .= "\n"	209	$msg .= "\n"
140	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
141		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
142	LOG llevError, $msg;	214	LOG llevError, $msg;
143	};	215	};
144	}	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#?
145		232
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		240
153	# 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
154	# within the Safe compartment.	242	# within the Safe compartment.
155	for my $pkg (qw(	243	for my $pkg (qw(
156	cf::global cf::attachable	244	cf::global cf::attachable
…		…
161	)) {	249	)) {
162	no strict 'refs';	250	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	252	}
165		253
166	$Event::DIED = sub {	254	$EV::DIED = sub {
167	warn "error in event callback: @_";	255	warn "error in event callback: @_";
168	};	256	};
		257
		258	#############################################################################
169		259
170	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
171		261
172	=over 4	262	=over 4
173		263
…		…
192	$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;
193	$d	283	$d
194	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
195	}	285	}
196		286
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
200		288
201	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
202		290
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
211		292
212	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
213		294
214	=cut	295	=cut
215		296
216	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
218	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
220		301
221	=item cf::lock_wait $string	302	=item cf::lock_wait $string
222		303
223	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
224		305
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
230	returned.	311	returned.
231		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
232	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
233	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
234		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
235	=cut	323	=cut
236		324
237	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
238		327
239	sub lock_wait($) {	328	sub lock_wait($) {
240	my ($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#
241		335
242	# wait for lock, if any	336	# wait for lock, if any
243	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	339	Coro::schedule;
…		…
251		345
252	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
253	lock_wait $key;	347	lock_wait $key;
254		348
255	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
256		351
257	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
260	}	356	}
261	}	357	}
262		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
263	sub freeze_mainloop {	365	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
265		367
266	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	369	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
269	};	429	}
270	$WRITE_RUNTIME_WATCHER->stop;	430	};
271	$TICK_WATCHER->stop;	431
272	$guard	432	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
352		534
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		539
356	my $value = $cf::RUNTIME + 90 + 10;	540	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		541
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	sub fork_call(&@) {
361	and return;	543	my ($cb, @args) = @_;
362		544
363	aio_fsync $fh	545	# we seemingly have to make a local copy of the whole thing,
364	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
365		548
366	close $fh	549	my @res = Coro::Util::fork_eval {
367	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
368		553
369	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
370	and return;	555	}
371		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		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($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
372	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		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 });
373	}	720	}
374		721
375	=back	722	=back
376		723
377	=cut	724	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
386		733
387	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>
388	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
389	crossfire+).	736	Deliantra).
390		737
391	=over 4	738	=over 4
392		739
393	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
394		741
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
558		905
559	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		910
564	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	912	my $pkg = shift @arg;
566		913
567	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
597	}	944	}
598		945
599	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
600	} else {	947	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	949	}
603		950
604	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
605	}	952	}
606		953
…		…
608	if (ref $_[0]) {	955	if (ref $_[0]) {
609	_object_attach @_;	956	_object_attach @_;
610	} else {	957	} else {
611	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
612	}	959	}
		960	_recalc_want;
613	};	961	};
614		962
615	# all those should be optimised	963	# all those should be optimised
616	sub cf::attachable::detach {	964	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
621	reattach ($obj);	969	reattach ($obj);
622	} else {	970	} else {
623	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
624	}	972	}
		973	_recalc_want;
625	};	974	};
626		975
627	sub cf::attachable::attached {	976	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
629		978
…		…
644	";	993	";
645	die if $@;	994	die if $@;
646	}	995	}
647		996
648	our $override;	997	our $override;
649	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?
650		999
651	sub override {	1000	sub override {
652	$override = 1;	1001	$override = 1;
653	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
654	}	1003	}
655		1004
656	sub do_invoke {	1005	sub do_invoke {
657	my $event = shift;	1006	my $event = shift;
658	my $callbacks = shift;	1007	my $callbacks = shift;
659		1008
660	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
661		1010
662	local $override;	1011	local $override;
663		1012
664	for (@$callbacks) {	1013	for (@$callbacks) {
665	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
674	}	1023	}
675		1024
676	0	1025	0
677	}	1026	}
678		1027
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1029
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1031
683	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
684		1033
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1037
689	=back	1038	=back
690		1039
691	=cut	1040	=cut
692		1041
693	#############################################################################	1042	#############################################################################
694	# 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, $ob2
		1085	}
695		1086
696	sub reattach {	1087	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1089	my ($obj) = @_;
699		1090
…		…
720	cf::attachable->attach (	1111	cf::attachable->attach (
721	prio => -1000000,	1112	prio => -1000000,
722	on_instantiate => sub {	1113	on_instantiate => sub {
723	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
724		1115
725	$data = from_json $data;	1116	$data = decode_json $data;
726		1117
727	for (@$data) {	1118	for (@$data) {
728	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
729		1120
730	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1137	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
748		1139
749	sync_job {	1140	sync_job {
750	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
753		1145
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1150	aio_close $fh;
759		1151
760	if (@$objs) {	1152	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1158	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
768	}	1160	}
769	} else {	1161	} else {
770	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
771	}	1163	}
…		…
776	}	1168	}
777	} else {	1169	} else {
778	aio_unlink $filename;	1170	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
780	}	1172	}
781	}	1173	};
782	}	1174	}
783		1175
784	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
786		1178
…		…
798	or return;	1190	or return;
799		1191
800	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
802	or return;	1194	or return;
		1195
803	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
804	}	1198	}
805		1199
		1200	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
808	return ($data, $av);	1204	($data, $av)
809	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
810		1212
811	#############################################################################	1213	#############################################################################
812	# command handling &c	1214	# command handling &c
813		1215
814	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1230	}
829		1231
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1233
832	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.
833		1239
834	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
835	called.	1241	called.
836		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
837	=cut	1254	=cut
838		1255
839	sub register_extcmd {	1256	sub register_extcmd {
840	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
841		1258
842	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
843	}	1266	}
844		1267
845	cf::player->attach (	1268	cf::player->attach (
846	on_command => sub {	1269	on_command => sub {
847	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1279	cf::override;
857	},	1280	},
858	on_extcmd => sub {	1281	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
860		1283
861	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1285
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
869	} else {	1301	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1303	}
872		1304
873	cf::override;	1305	cf::override;
874	},	1306	},
875	);	1307	);
876		1308
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
912	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1314	next unless -r $path;
914	eval {	1315
915	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	$progress = 1;
916	1	1372	}
917	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
918	}	1378	};
919	}	1379	}
920		1380
921	#############################################################################	1381	#############################################################################
922		1382
		1383	=back
		1384
923	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
924		1386
925	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
926		1388
927	=cut	1389	=cut
…		…
932		1394
933	=head3 cf::player	1395	=head3 cf::player
934		1396
935	=over 4	1397	=over 4
936		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
937	=item cf::player::find $login	1413	=item cf::player::find $login
938		1414
939	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
940		1416
941	=cut	1417	=cut
942		1418
943	sub playerdir($) {	1419	sub playerdir($) {
944	cf::localdir	1420	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1422	}
950		1423
951	sub path($) {	1424	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1426
954	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
955	}	1428	}
956		1429
957	sub find_active($) {	1430	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1445	my $login = $_[0];
973		1446
974	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
975		1448
976	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
977	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
978	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;
979	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
980	}	1466	}
981	}	1467	}
982	}	1468	}
983		1469
…		…
992	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
993		1479
994	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
996		1482
		1483	cf::get_slot 0.01;
		1484
997	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
998	Coro::cede;	1486	cf::cede_to_tick;
999	}	1487	}
1000		1488
1001	sub new($) {	1489	sub new($) {
1002	my ($login) = @_;	1490	my ($login) = @_;
1003		1491
…		…
1009	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1010		1498
1011	$self	1499	$self
1012	}	1500	}
1013		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
1014	=item $pl->quit_character	1512	=item $pl->quit_character
1015		1513
1016	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1018		1516
1019	=cut	1517	=cut
1020		1518
1021	sub quit_character {	1519	sub quit_character {
1022	my ($pl) = @_;	1520	my ($pl) = @_;
1023		1521
		1522	my $name = $pl->ob->name;
		1523
1024	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1025	$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
1026		1526
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1031		1533
1032	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1037	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1038	}	1560	}
1039		1561
1040	=item cf::player::list_logins	1562	=item cf::player::list_logins
1041		1563
1042	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1044		1566
1045	=cut	1567	=cut
1046		1568
1047	sub list_logins {	1569	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1571	or return [];
1050		1572
1051	my @logins;	1573	my @logins;
1052		1574
1053	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") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1057		1585
1058	utf8::decode $login;	1586	utf8::decode $login;
1059	push @logins, $login;	1587	push @logins, $login;
1060	}	1588	}
1061		1589
…		…
1069		1597
1070	=cut	1598	=cut
1071		1599
1072	sub maps($) {	1600	sub maps($) {
1073	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1604
1075	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1076	or return;	1606	or return;
1077		1607
1078	my @paths;	1608	my @paths;
…		…
1080	for (@$files) {	1610	for (@$files) {
1081	utf8::decode $_;	1611	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1084		1614
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1615	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1616	}
1087		1617
1088	\@paths	1618	\@paths
1089	}	1619	}
1090		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
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1092		1715
1093	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1094		1717
1095	=cut	1718	=cut
1096		1719
1097	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1099		1722
1100	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1724	}
1104		1725
1105	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	}
1106		1766
1107	=back	1767	=back
1108
1109		1768
1110	=head3 cf::map	1769	=head3 cf::map
1111		1770
1112	=over 4	1771	=over 4
1113		1772
…		…
1125	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1127		1786
1128	sub generate_random_map {	1787	sub generate_random_map {
1129	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
1130	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1793	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1168	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1169		1831
1170	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1171	local $self->{path};	1833	local $self->{path};
1172	local $self->{load_path};	1834	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1835
1176	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1177	}	1837	}
1178		1838
1179	sub normalise {	1839	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1227	return $self;	1887	return $self;
1228	}	1888	}
1229	}	1889	}
1230		1890
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1892	()
1233	}	1893	}
1234		1894
1235	sub init {	1895	sub init {
1236	my ($self) = @_;	1896	my ($self) = @_;
…		…
1251		1911
1252	# the original (read-only) location	1912	# the original (read-only) location
1253	sub load_path {	1913	sub load_path {
1254	my ($self) = @_;	1914	my ($self) = @_;
1255		1915
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1257	}	1917	}
1258		1918
1259	# the temporary/swap location	1919	# the temporary/swap location
1260	sub save_path {	1920	sub save_path {
1261	my ($self) = @_;	1921	my ($self) = @_;
1262		1922
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1265	}	1925	}
1266		1926
1267	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1268	sub uniq_path {	1928	sub uniq_path {
1269	my ($self) = @_;	1929	my ($self) = @_;
1270		1930
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1273	}	1933	}
1274		1934
1275	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1276	# all maps in C++...	1936	# all maps in C++...
1277	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1279		1939
1280	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1282	}	1942	}
1283		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1284	sub unlink_save {	1952	sub unlink_save {
1285	my ($self) = @_;	1953	my ($self) = @_;
1286		1954
1287	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1959
1292	sub load_header_from($) {	1960	sub load_header_from($) {
1293	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1294		1962
1295	utf8::encode $path;	1963	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1297	or return;	1965	or return;
1298		1966
1299	$self->_load_header ($path)	1967	$self->_load_header ($f)
1300	or return;	1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1301		1972
1302	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1303		1974
1304	1	1975	1
1305	}	1976	}
…		…
1344	$self->load_header_orig	2015	$self->load_header_orig
1345	or return;	2016	or return;
1346	$self->prepare_orig;	2017	$self->prepare_orig;
1347	}	2018	}
1348		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
1349	1	2026	1
1350	}	2027	}
1351		2028
1352	sub find;	2029	sub find;
1353	sub find {	2030	sub find {
1354	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1355		2032
1356	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1357		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1359		2037
1360	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1361	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1362	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1363	or return;	2043	or return;
1364		2044
1365	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1366		2046
1367	$map->load_header	2047	$map->load_header
1368	or return;	2048	or return;
1369		2049
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1373	$map->reset;	2055	$map->reset;
1374	undef $guard;
1375	return find $path;	2056	return find $path;
1376	}	2057	}
1377		2058
1378	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1379	}	2060	}
…		…
1386	my ($self) = @_;	2067	my ($self) = @_;
1387		2068
1388	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1389		2070
1390	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1392		2075
		2076	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2078
1395	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1396		2080
1397	$self->alloc;	2081	$self->alloc;
1398		2082
1399	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1400		2085
1401	$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)
1402	or return;	2089	or return;
1403		2090
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1405	if delete $self->{load_original};	2092	if delete $self->{load_original};
1406		2093
1407	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2095	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2098	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1412	}	2102	}
1413	}	2103	}
1414		2104
1415	Coro::cede;	2105	$f->resolve_delayed_derefs;
1416		2106
		2107	cf::cede_to_tick;
1417	# now do the right thing for maps	2108	# now do the right thing for maps
1418	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2111	unless $self->difficulty;
1428	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;
1429	$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);
1430	}	2128	}
1431		2129
1432	$self->post_load;	2130	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2131	}
1436		2132
1437	sub customise_for {	2133	sub customise_for {
1438	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1439		2135
1440	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2137	if $self->per_player;
1442		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1443	$self	2142	$self
1444	}	2143	}
1445		2144
1446	# 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
1447	sub load_diag {	2146	sub load_neighbours {
1448	my ($map) = @_;	2147	my ($map) = @_;
1449		2148
1450	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1451		2150
1452	for (0 .. 3) {	2151	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1454	or next;	2153	or next;
1455	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1456	or next;	2155	or next;
1457	$neigh->load;	2156	$neigh->load;
1458		2157
		2158	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2161	}
1462		2162
1463	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1465	or next;	2166	or next;
1466	$neigh->load;	2167	$neigh->load;
1467	}	2168	}
1468	}	2169	}
1469		2170
…		…
1474	}	2175	}
1475		2176
1476	sub do_load_sync {	2177	sub do_load_sync {
1477	my ($map) = @_;	2178	my ($map) = @_;
1478		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1479	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1480	}	2184	}
1481		2185
1482	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1484		2188
1485	sub find_async {	2189	sub find_async {
1486	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1487		2191
1488	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1489		2193
1490	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2196	}
1493		2197
1494	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1495	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1496	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2205	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2206	$map->load if $v;
		2207	}
1501		2208
1502	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1503	}	2210	}
1504	}	2211	}
1505	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1506	};	2213	};
1507	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1510	}	2217	}
1511		2218
1512	sub save {	2219	sub save {
1513	my ($self) = @_;	2220	my ($self) = @_;
1514		2221
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2223
1517	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1518		2225
1519	return unless $self->dirty;	2226	return unless $self->dirty;
1520		2227
…		…
1526	return if $self->{deny_save};	2233	return if $self->{deny_save};
1527		2234
1528	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1529		2236
1530	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1532	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1533		2243
1534	if ($uniq) {	2244	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2247	} else {
…		…
1543	my ($self) = @_;	2253	my ($self) = @_;
1544		2254
1545	# save first because save cedes	2255	# save first because save cedes
1546	$self->save;	2256	$self->save;
1547		2257
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2259
1550	return if $self->players;	2260	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2262	return if $self->{deny_save};
1553		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2268	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2269	}
1557		2270
1558	sub reset_at {	2271	sub reset_at {
1559	my ($self) = @_;	2272	my ($self) = @_;
1560		2273
1561	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1564		2276
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	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;
1567		2279
…		…
1578	my ($self) = @_;	2290	my ($self) = @_;
1579		2291
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2293
1582	return if $self->players;	2294	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2295
1585	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1586		2307
1587	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1588		2309
1589	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2312	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2313
1594	$self->unlink_save;	2314	$self->unlink_save;
1595	$self->destroy;	2315	$self->destroy;
1596	}	2316	}
1597		2317
1598	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1599		2319
1600	sub nuke {	2320	sub nuke {
1601	my ($self) = @_;	2321	my ($self) = @_;
1602		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1603	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1604		2327
1605	$self->unlink_save;	2328	$self->unlink_save;
1606		2329
1607	bless $self, "cf::map";	2330	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2335
1613	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1614		2338
1615	$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	]
1616	}	2376	}
1617		2377
1618	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1619		2379
1620	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2381	instantiated unique items. May block.
1622		2382
1623	=cut	2383	=cut
1624		2384
1625	sub unique_maps() {	2385	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1627	or return;	2387	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2388	utf8::decode $_;
1633	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2391	? ()
1636	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2394	]
1638
1639	\@paths
1640	}	2395	}
1641
1642	package cf;
1643		2396
1644	=back	2397	=back
1645		2398
1646	=head3 cf::object	2399	=head3 cf::object
1647		2400
…		…
1651		2404
1652	=over 4	2405	=over 4
1653		2406
1654	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1655		2408
1656	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.
1657		2411
1658	=cut	2412	=cut
1659		2413
1660	sub inv_recursive_;	2414	sub inv_recursive_;
1661	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1664		2418
1665	sub inv_recursive {	2419	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1667	}	2421	}
1668		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
1669	package cf;	2451	package cf;
1670		2452
1671	=back	2453	=back
1672		2454
1673	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1679	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>
1680	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
1681	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1682		2464
1683	=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	};
1684		2480
1685	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2482	# with dialog boxes.
1687	#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
1688	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1690		2486
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2488
1693	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1698	}	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 (@_);
1699	}	2514	}
1700		2515
1701	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1702		2517
1703	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1751		2566
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2568
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1756		2571
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2573	}
1759		2574
1760	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1762		2579
1763	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1764		2581
1765	unless ($map) {	2582	unless ($map) {
1766	# restore original map position	2583	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1783		2600
1784	$map->load;	2601	$map->load;
1785	$map->load_diag;	2602	$map->load_neighbours;
1786		2603
1787	return unless $self->contr->active;	2604	return unless $self->contr->active;
1788	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1790	}	2609	}
1791		2610
1792	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2612
1796	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1800	};	2617	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2618
1806	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1807	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2621
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1827		2625
1828	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2631
1831	$self->enter_link;	2632	$self->enter_link;
1832		2633
1833	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
1834	my $map = eval {	2656	my $map = eval {
1835	my $map = cf::map::find $path;	2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
		2661	$map = $check->($map) if $check && $map;
		2662	} else {
		2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
		2665
1837	$map	2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2672	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1842	})->prio (1);	2680	})->prio (1);
1843	}	2681	}
1844		2682
1845	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1846		2684
…		…
1866	}	2704	}
1867		2705
1868	sub prepare_random_map {	2706	sub prepare_random_map {
1869	my ($exit) = @_;	2707	my ($exit) = @_;
1870		2708
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2711	# that depends on the exit object
1876		2712
1877	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2715	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1884	}	2722	}
1885		2723
1886	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1887		2725
1888	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
1891		2729
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2732	undef $fh;
1895	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
1896		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1899	}	2741	}
1900	}	2742	}
1901		2743
1902	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
1904		2746
1905	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1906		2748
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2749	$self->enter_link;
1917		2750
1918	(async {	2751	(async {
1919	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1920	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
1921	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
1922		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1923	1;	2775	1
1924	}) {	2776	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2781
1930	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2783	$self->leave_link;
1932	}	2784	}
1933	})->prio (1);	2785	})->prio (1);
…		…
1946		2798
1947	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1949		2801
1950	utf8::encode $text;	2802	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2804	}
1953		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1954		2970
1955	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1956		2972
1957	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2976
1961	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2978	become reliable at some point in the future.
1963		2979
1964	=cut	2980	=cut
1965		2981
1966	sub cf::client::query {	2982	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2991	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2993
1978	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
1980	}	2998	}
1981		2999
1982	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
1983	on_reply => sub {	3006	on_reply => sub {
1984	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
1985		3008
1986	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
1987	# get handled first	3010	# get handled first
1988	my $queue = delete $ns->{query_queue}	3011	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	3012	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		3013
1991	(shift @$queue)->[1]->($msg);	3014	(shift @$queue)->[1]->($msg);
		3015	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		3016
1993	push @{ $ns->{query_queue} }, @$queue;	3017	push @{ $ns->{query_queue} }, @$queue;
1994		3018
1995	if (@{ $ns->{query_queue} } == @$queue) {	3019	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	3020	if (@$queue) {
…		…
1998	} else {	3022	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	3024	}
2001	}	3025	}
2002	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
2003	);	3053	);
2004		3054
2005	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
2006		3056
2007	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2050		3100
2051	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2052		3102
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2054		3108
2055	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2056		3110
2057	=pod	3111	=pod
2058		3112
2059	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2060		3114
2061	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2062	cf::object::player player	3119	cf::object::player
2063	cf::player peaceful	3120	player
2064	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2065		3127
2066	=cut	3128	=cut
2067		3129
2068	for (	3130	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy change_exp)],
2070	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2073	) {	3137	) {
2074	no strict 'refs';	3138	no strict 'refs';
…		…
2145	=back	3209	=back
2146		3210
2147	=cut	3211	=cut
2148		3212
2149	#############################################################################	3213	#############################################################################
		3214	# the server's init and main functions
2150		3215
2151	=head2 EXTENSION DATABASE SUPPORT	3216	sub load_facedata($) {
		3217	my ($path) = @_;
2152		3218
2153	Crossfire maintains a very simple database for extension use. It can	3219	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3220	# for this (global event?)
2155	excludes objects.	3221	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3222
2157	The parameter C<$family> should best start with the name of the extension	3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3224
2160	=over 4	3225	warn "loading facedata from $path\n";
2161		3226
2162	=item $hashref = cf::db_get $family	3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
2163		3230
2164	Return a hashref for use by the extension C<$family>, which can be	3231	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3232
2168	=item $value = cf::db_get $family => $key	3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3235
2170	Returns a single value from the database	3236	# patch in the exptable
2171		3237	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	3238	type => FT_RSRC,
2173		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3240	};
		3241	cf::cede_to_tick;
2200		3242
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3243	{
		3244	my $faces = $facedata->{faceinfo};
2212		3245
2213	my $dirty;	3246	while (my ($face, $info) = each %$faces) {
		3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3248
2215	sub db_sync() {	3249	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3250	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2218	}	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2219		3253
2220	my $idle = Event->idle (	3254	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3255	}
2254	);
2255	}
2256		3256
2257	#############################################################################	3257	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3258	next unless $info->{smooth};
2259		3259
2260	sub cfg_load {	3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3411	or return;
2263		3412
2264	local $/;	3413	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2266		3415
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268		3417
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2281	sub main {	3430	sub main {
2282	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3434	(async {
2286	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2288	};	3438	};
2289		3439
2290	cfg_load;	3440	{
2291	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2292	load_extensions;	3444	load_extensions;
2293		3445
2294	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2295	Event::loop;	3449	EV::loop;
2296	}	3450	}
2297		3451
2298	#############################################################################	3452	#############################################################################
2299	# initialisation and cleanup	3453	# initialisation and cleanup
2300		3454
2301	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2302	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2311	},
2312	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2313	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2314	}	3544	}
2315		3545
2316	sub emergency_save() {	3546	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2318		3548
…		…
2324	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2326	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3560	$pl->save;
2330	}	3561	}
2331	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2332		3563
2333	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2335	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3567	$map->valid or next;
2337	$map->save;	3568	$map->save;
2338	}	3569	}
2339	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2340	};	3579	};
2341		3580
2342	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2343	}	3582	}
2344		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2345	sub reload() {	3591	sub do_reload_perl() {
2346	# can/must only be called in main	3592	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3594	warn "can only reload from main coroutine";
2349	return;	3595	return;
2350	}	3596	}
2351		3597
2352	warn "reloading...";	3598	warn "reloading...";
2353		3599
2354	warn "cancelling server ticker";	3600	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2357	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2358		3606
2359	eval {	3607	warn "syncing database to disk";
		3608	BDB::db_env_txn_checkpoint $DB_ENV;
		3609
2360	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369		3611
2370	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2371	for (;;) {	3613	for (;;) {
		3614	BDB::flush;
2372	IO::AIO::flush;	3615	IO::AIO::flush;
2373	Coro::cede;	3616	Coro::cede_notself;
2374	last unless IO::AIO::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3618	warn "iterate...";
2376	}	3619	}
		3620
		3621	++$RELOAD;
2377		3622
2378	warn "cancelling all extension coros";	3623	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3625	%EXT_CORO = ();
2381		3626
2382	warn "removing commands";	3627	warn "removing commands";
2383	%COMMAND = ();	3628	%COMMAND = ();
2384		3629
2385	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2387		3633
2388	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2391		3637
…		…
2421	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3669
2424	warn "unloading cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2426		3673
2427	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3675	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2430		3677
…		…
2433	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2434	require cf;	3681	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3683
2437	warn "loading config and database again";	3684	warn "loading config and database again";
2438	cf::cfg_load;	3685	cf::reload_config;
2439	cf::db_load;
2440		3686
2441	warn "loading extensions";	3687	warn "loading extensions";
2442	cf::load_extensions;	3688	cf::load_extensions;
2443		3689
2444	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3691	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3692	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
2448		3696
2449	warn "restarting server ticker";	3697	warn "leaving sync_job";
2450		3698
2451	$TICK_WATCHER->start;	3699	1
		3700	} or do {
		3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2452	};	3703	};
2453
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459		3704
2460	warn "reloaded";	3705	warn "reloaded";
2461	};	3706	};
2462		3707
2463	our $RELOAD_WATCHER; # used only during reload	3708	our $RELOAD_WATCHER; # used only during reload
2464		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2465	register_command "reload" => sub {	3720	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2467		3722
2468	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
2470		3725	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3726	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3727	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3728	};
2483	}	3729	}
2484	};	3730	};
2485		3731
2486	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2487		3733
2488	my $bug_warning = 0;	3734	my $bug_warning = 0;
2489		3735
2490	$TICK_WATCHER = Event->timer (	3736	our @WAIT_FOR_TICK;
2491	reentrant => 0,	3737	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	3738
2493	prio => 0,	3739	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	3741
2496	cb => sub {	3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
2497	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2500	return;	3759	return;
2501	}	3760	}
2502		3761
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		3763
2509	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2511		3766	Coro::async_pool {
2512	Event::sweep;	3767	$Coro::current->{desc} = "runtime saver";
2513	Coro::cede_notself;
2514
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},
2524	);
2525
2526	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537
2538	$WRITE_RUNTIME_WATCHER = Event->timer (
2539	reentrant => 0,
2540	data => WF_AUTOCANCEL,
2541	after => 1,
2542	interval => 10,
2543	prio => 6, # keep it lowest so it acts like a watchdog
2544	cb => Coro::unblock_sub {
2545	write_runtime	3768	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
		3770	};
2547	},	3771	}
2548	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
		3791
		3792	{
		3793	# configure BDB
		3794
		3795	BDB::min_parallel 8;
		3796	BDB::max_poll_reqs $TICK * 0.1;
		3797	$AnyEvent::BDB::WATCHER->priority (1);
		3798
		3799	unless ($DB_ENV) {
		3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3803	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3804	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3805	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3806
		3807	cf::sync_job {
		3808	eval {
		3809	BDB::db_env_open
		3810	$DB_ENV,
		3811	$BDBDIR,
		3812	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3813	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3814	0666;
		3815
		3816	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3817	};
		3818
		3819	cf::cleanup "db_env_open(db): $@" if $@;
		3820	};
		3821	}
		3822
		3823	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3824	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3825	};
		3826	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3828	};
		3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3831	};
		3832	}
		3833
		3834	{
		3835	# configure IO::AIO
		3836
		3837	IO::AIO::min_parallel 8;
		3838	IO::AIO::max_poll_time $TICK * 0.1;
		3839	undef $AnyEvent::AIO::WATCHER;
		3840	}
		3841
		3842	my $_log_backtrace;
		3843
		3844	sub _log_backtrace {
		3845	my ($msg, @addr) = @_;
		3846
		3847	$msg =~ s/\n//;
		3848
		3849	# limit the # of concurrent backtraces
		3850	if ($_log_backtrace < 2) {
		3851	++$_log_backtrace;
		3852	async {
		3853	$Coro::current->{desc} = "abt $msg";
		3854
		3855	my @bt = fork_call {
		3856	@addr = map { sprintf "%x", $_ } @addr;
		3857	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3858	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3859	or die "addr2line: $!";
		3860
		3861	my @funcs;
		3862	my @res = <$fh>;
		3863	chomp for @res;
		3864	while (@res) {
		3865	my ($func, $line) = splice @res, 0, 2, ();
		3866	push @funcs, "[$func] $line";
		3867	}
		3868
		3869	@funcs
		3870	};
		3871
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
		3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2549		3884
2550	END { cf::emergency_save }	3885	END { cf::emergency_save }
2551		3886
2552	1	3887	1
2553		3888

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