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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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 3.2;
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 3.4 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	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		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	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		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	154	every server tick.
102		155
103	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		239
151	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
271	}	441	}
272		442
273	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
274		444
275	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		450
281	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
282		452
283	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
284		454
285	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
288		459
289	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
292	fast or be very important.	463	fast or be very important.
…		…
295		466
296	sub sync_job(&) {	467	sub sync_job(&) {
297	my ($job) = @_;	468	my ($job) = @_;
298		469
299	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
300	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
302		475
303	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	477
305	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
306		479
307	my $busy = 1;	480	my $busy = 1;
308	my @res;	481	my @res;
309		482
310	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	485	@res = eval { $job->() };
312	warn $@ if $@;	486	warn $@ if $@;
313	undef $busy;	487	undef $busy;
314	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
315		489
316	while ($busy) {	490	while ($busy) {
317	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
318	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
319		501
320	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
321	} else {	503	} else {
322	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
323		505
…		…
343	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
344		526
345	$coro	527	$coro
346	}	528	}
347		529
348	sub write_runtime {	530	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		531
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
352	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
353		536
354	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		538
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
359	and return;	540	my ($cb, @args) = @_;
360		541
361	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
362	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
363		545
364	close $fh	546	my @res = Coro::Util::fork_eval {
365	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
366		550
367	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
368	and return;	552	}
369		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
370	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	717	}
372		718
373	=back	719	=back
374		720
375	=cut	721	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
384		730
385	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	733	Deliantra).
388		734
389	=over 4	735	=over 4
390		736
391	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
392		738
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
556		902
557	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		907
562	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	909	my $pkg = shift @arg;
564		910
565	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
595	}	941	}
596		942
597	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
598	} else {	944	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	946	}
601		947
602	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
603	}	949	}
604		950
…		…
606	if (ref $_[0]) {	952	if (ref $_[0]) {
607	_object_attach @_;	953	_object_attach @_;
608	} else {	954	} else {
609	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
610	}	956	}
		957	_recalc_want;
611	};	958	};
612		959
613	# all those should be optimised	960	# all those should be optimised
614	sub cf::attachable::detach {	961	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
619	reattach ($obj);	966	reattach ($obj);
620	} else {	967	} else {
621	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
622	}	969	}
		970	_recalc_want;
623	};	971	};
624		972
625	sub cf::attachable::attached {	973	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
627		975
…		…
642	";	990	";
643	die if $@;	991	die if $@;
644	}	992	}
645		993
646	our $override;	994	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		996
649	sub override {	997	sub override {
650	$override = 1;	998	$override = 1;
651	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
652	}	1000	}
653		1001
654	sub do_invoke {	1002	sub do_invoke {
655	my $event = shift;	1003	my $event = shift;
656	my $callbacks = shift;	1004	my $callbacks = shift;
657		1005
658	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
659		1007
660	local $override;	1008	local $override;
661		1009
662	for (@$callbacks) {	1010	for (@$callbacks) {
663	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
672	}	1020	}
673		1021
674	0	1022	0
675	}	1023	}
676		1024
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1026
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1028
681	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
682		1030
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1034
687	=back	1035	=back
688		1036
689	=cut	1037	=cut
690		1038
691	#############################################################################	1039	#############################################################################
692	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
693		1083
694	sub reattach {	1084	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1086	my ($obj) = @_;
697		1087
…		…
718	cf::attachable->attach (	1108	cf::attachable->attach (
719	prio => -1000000,	1109	prio => -1000000,
720	on_instantiate => sub {	1110	on_instantiate => sub {
721	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
722		1112
723	$data = from_json $data;	1113	$data = decode_json $data;
724		1114
725	for (@$data) {	1115	for (@$data) {
726	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
727		1117
728	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1134	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
746		1136
747	sync_job {	1137	sync_job {
748	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
751		1142
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1147	close $fh;
757		1148
758	if (@$objs) {	1149	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1155	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
766	}	1157	}
767	} else {	1158	} else {
768	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
774	}	1165	}
775	} else {	1166	} else {
776	aio_unlink $filename;	1167	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
778	}	1169	}
779	}	1170	};
780	}	1171	}
781		1172
782	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
784		1175
…		…
796	or return;	1187	or return;
797		1188
798	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
800	or return;	1191	or return;
		1192
801	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
802	}	1195	}
803		1196
		1197	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
806	return ($data, $av);	1201	($data, $av)
807	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
808		1209
809	#############################################################################	1210	#############################################################################
810	# command handling &c	1211	# command handling &c
811		1212
812	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1227	}
827		1228
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1230
830	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
831		1236
832	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
833	called.	1238	called.
834		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
835	=cut	1251	=cut
836		1252
837	sub register_extcmd {	1253	sub register_extcmd {
838	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
839		1255
840	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
841	}	1263	}
842		1264
843	cf::player->attach (	1265	cf::player->attach (
844	on_command => sub {	1266	on_command => sub {
845	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1276	cf::override;
855	},	1277	},
856	on_extcmd => sub {	1278	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
858		1280
859	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1282
861	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
867	} else {	1298	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1300	}
870		1301
871	cf::override;	1302	cf::override;
872	},	1303	},
873	);	1304	);
874		1305
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
910	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1311	next unless -r $path;
912	eval {	1312
913	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
914	1	1369	}
915	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
916	}	1375	};
917	}	1376	}
918		1377
919	#############################################################################	1378	#############################################################################
920		1379
		1380	=back
		1381
921	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
922		1383
923	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
924		1385
925	=cut	1386	=cut
…		…
930		1391
931	=head3 cf::player	1392	=head3 cf::player
932		1393
933	=over 4	1394	=over 4
934		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
935	=item cf::player::find $login	1410	=item cf::player::find $login
936		1411
937	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
938		1413
939	=cut	1414	=cut
940		1415
941	sub playerdir($) {	1416	sub playerdir($) {
942	cf::localdir	1417	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1419	}
948		1420
949	sub path($) {	1421	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1423
952	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
953	}	1425	}
954		1426
955	sub find_active($) {	1427	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1442	my $login = $_[0];
971		1443
972	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
973		1445
974	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
976	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
978	}	1462	}
979	}	1463	}
980	}	1464	}
981		1465
…		…
991		1475
992	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
994		1478
995	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
996	Coro::cede;	1480	cf::cede_to_tick;
997	}	1481	}
998		1482
999	sub new($) {	1483	sub new($) {
1000	my ($login) = @_;	1484	my ($login) = @_;
1001		1485
…		…
1007	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1008		1492
1009	$self	1493	$self
1010	}	1494	}
1011		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1012	=item $pl->quit_character	1506	=item $pl->quit_character
1013		1507
1014	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1016		1510
1017	=cut	1511	=cut
1018		1512
1019	sub quit_character {	1513	sub quit_character {
1020	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1021		1517
1022	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1520
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1035	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1036	}	1552	}
1037		1553
1038	=item cf::player::list_logins	1554	=item cf::player::list_logins
1039		1555
1040	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1042		1558
1043	=cut	1559	=cut
1044		1560
1045	sub list_logins {	1561	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1563	or return [];
1048		1564
1049	my @logins;	1565	my @logins;
1050		1566
1051	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1055		1576
1056	utf8::decode $login;	1577	utf8::decode $login;
1057	push @logins, $login;	1578	push @logins, $login;
1058	}	1579	}
1059		1580
…		…
1067		1588
1068	=cut	1589	=cut
1069		1590
1070	sub maps($) {	1591	sub maps($) {
1071	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1595
1073	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1074	or return;	1597	or return;
1075		1598
1076	my @paths;	1599	my @paths;
…		…
1078	for (@$files) {	1601	for (@$files) {
1079	utf8::decode $_;	1602	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1082		1605
1083	s/\.map$//;	1606	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1607	}
1086		1608
1087	\@paths	1609	\@paths
1088	}	1610	}
1089		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1091		1706
1092	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1093		1708
1094	=cut	1709	=cut
1095		1710
1096	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1098		1713
1099	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1715	}
1103		1716
1104	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1105		1757
1106	=back	1758	=back
1107
1108		1759
1109	=head3 cf::map	1760	=head3 cf::map
1110		1761
1111	=over 4	1762	=over 4
1112		1763
…		…
1124	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1126		1777
1127	sub generate_random_map {	1778	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1129	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1784	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1168		1822
1169	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1170	local $self->{path};	1824	local $self->{path};
1171	local $self->{load_path};	1825	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1826
1175	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1176	}	1828	}
1177		1829
1178	sub normalise {	1830	sub normalise {
1179	my ($path, $base) = @_;	1831	my ($path, $base) = @_;
		1832
		1833	$path = "$path"; # make sure its a string
		1834
		1835	$path =~ s/\.map$//;
1180		1836
1181	# map plan:	1837	# map plan:
1182	#	1838	#
1183	# /! non-realised random map exit (special hack!)	1839	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1840	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1222	return $self;	1878	return $self;
1223	}	1879	}
1224	}	1880	}
1225		1881
1226	Carp::carp "unable to resolve path '$path'.";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1883	()
1228	}	1884	}
1229		1885
1230	sub init {	1886	sub init {
1231	my ($self) = @_;	1887	my ($self) = @_;
…		…
1246		1902
1247	# the original (read-only) location	1903	# the original (read-only) location
1248	sub load_path {	1904	sub load_path {
1249	my ($self) = @_;	1905	my ($self) = @_;
1250		1906
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1252	}	1908	}
1253		1909
1254	# the temporary/swap location	1910	# the temporary/swap location
1255	sub save_path {	1911	sub save_path {
1256	my ($self) = @_;	1912	my ($self) = @_;
1257		1913
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1260	}	1916	}
1261		1917
1262	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1263	sub uniq_path {	1919	sub uniq_path {
1264	my ($self) = @_;	1920	my ($self) = @_;
1265		1921
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1268	}	1924	}
1269		1925
1270	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1271	# all maps in C++...	1927	# all maps in C++...
1272	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1274		1930
1275	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1277	}	1933	}
1278		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1279	sub unlink_save {	1943	sub unlink_save {
1280	my ($self) = @_;	1944	my ($self) = @_;
1281		1945
1282	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1950
1287	sub load_header_from($) {	1951	sub load_header_from($) {
1288	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1289		1953
1290	utf8::encode $path;	1954	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1292	or return;	1956	or return;
1293		1957
1294	$self->_load_header ($path)	1958	$self->_load_header ($f)
1295	or return;	1959	or return;
1296		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
		1963
1297	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1298		1965
1299	1	1966	1
1300	}	1967	}
1301		1968
1302	sub load_orig {	1969	sub load_header_orig {
1303	my ($self) = @_;	1970	my ($self) = @_;
1304		1971
1305	$self->load_header_from ($self->load_path)	1972	$self->load_header_from ($self->load_path)
1306	}	1973	}
1307		1974
1308	sub load_temp {	1975	sub load_header_temp {
1309	my ($self) = @_;	1976	my ($self) = @_;
1310		1977
1311	$self->load_header_from ($self->save_path)	1978	$self->load_header_from ($self->save_path)
		1979	}
		1980
		1981	sub prepare_temp {
		1982	my ($self) = @_;
		1983
		1984	$self->last_access ((delete $self->{last_access})
		1985	|| $cf::RUNTIME); #d#
		1986	# safety
		1987	$self->{instantiate_time} = $cf::RUNTIME
		1988	if $self->{instantiate_time} > $cf::RUNTIME;
		1989	}
		1990
		1991	sub prepare_orig {
		1992	my ($self) = @_;
		1993
		1994	$self->{load_original} = 1;
		1995	$self->{instantiate_time} = $cf::RUNTIME;
		1996	$self->last_access ($cf::RUNTIME);
		1997	$self->instantiate;
1312	}	1998	}
1313		1999
1314	sub load_header {	2000	sub load_header {
1315	my ($self) = @_;	2001	my ($self) = @_;
1316		2002
1317	if ($self->load_temp) {	2003	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2004	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2005	} else {
1324	$self->load_orig	2006	$self->load_header_orig
1325	or return;	2007	or return;
1326		2008	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2009	}
		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
		2014	$self->default_region (cf::region::find_by_path $self->{path})
		2015	unless $self->default_region;
1332		2016
1333	1	2017	1
1334	}	2018	}
1335		2019
1336	sub find;	2020	sub find;
1337	sub find {	2021	sub find {
1338	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1339		2023
1340	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1341		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1343		2028
1344	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1345	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1346	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1347	or return;	2034	or return;
1348		2035
1349	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1350		2037
1351	$map->load_header	2038	$map->load_header
1352	or return;	2039	or return;
1353		2040
1354	if ($map->should_reset) {	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1357	$map->reset;	2046	$map->reset;
1358	undef $guard;
1359	$map = find $path	2047	return find $path;
1360	or return;
1361	}	2048	}
1362		2049
1363	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1364	}	2051	}
1365	}	2052	}
		2053
		2054	sub pre_load { }
		2055	sub post_load { }
1366		2056
1367	sub load {	2057	sub load {
1368	my ($self) = @_;	2058	my ($self) = @_;
1369		2059
		2060	local $self->{deny_reset} = 1; # loading can take a long time
		2061
1370	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1372		2066
		2067	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2069
1375	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1376		2071
1377	$self->alloc;	2072	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2073
		2074	$self->pre_load;
		2075	cf::cede_to_tick;
		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1379	or return;	2080	or return;
1380		2081
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	2083	if delete $self->{load_original};
1383		2084
1384	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2086	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2089	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1389	}	2093	}
1390	}	2094	}
1391		2095
1392	Coro::cede;	2096	$f->resolve_delayed_derefs;
1393		2097
		2098	cf::cede_to_tick;
1394	# now do the right thing for maps	2099	# now do the right thing for maps
1395	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2102	unless $self->difficulty;
1405	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1406	$self->activate;	2112	$self->activate;
1407	}	2113	}
1408		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
		2119	}
		2120
		2121	$self->post_load;
1410	}	2122	}
1411		2123
1412	sub customise_for {	2124	sub customise_for {
1413	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1414		2126
1415	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2128	if $self->per_player;
1417		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1418	$self	2133	$self
1419	}	2134	}
1420		2135
1421	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2137	sub load_neighbours {
1423	my ($map) = @_;	2138	my ($map) = @_;
1424		2139
1425	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1426		2141
1427	for (0 .. 3) {	2142	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1429	or next;	2144	or next;
1430	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1431	or next;	2146	or next;
1432	$neigh->load;	2147	$neigh->load;
1433		2148
		2149	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2152	}
1437		2153
1438	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1440	or next;	2157	or next;
1441	$neigh->load;	2158	$neigh->load;
1442	}	2159	}
1443	}	2160	}
1444		2161
…		…
1449	}	2166	}
1450		2167
1451	sub do_load_sync {	2168	sub do_load_sync {
1452	my ($map) = @_;	2169	my ($map) = @_;
1453		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1454	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1455	}	2175	}
1456		2176
1457	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1459		2179
1460	sub find_async {	2180	sub find_async {
1461	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1462		2182
1463	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1464		2184
1465	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	2187	}
1468		2188
1469	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1470	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1471	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2196	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2197	$map->load if $v;
		2198	}
1476		2199
1477	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1478	}	2201	}
1479	}	2202	}
1480	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1481	};	2204	};
		2205	$MAP_PREFETCHER->prio (6);
1482		2206
1483	()	2207	()
1484	}	2208	}
1485		2209
1486	sub save {	2210	sub save {
1487	my ($self) = @_;	2211	my ($self) = @_;
1488		2212
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2214
1491	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1492		2216
1493	return unless $self->dirty;	2217	return unless $self->dirty;
1494		2218
…		…
1500	return if $self->{deny_save};	2224	return if $self->{deny_save};
1501		2225
1502	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1503		2227
1504	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1506	};	2231	};
1507		2232
1508	if ($uniq) {	2233	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1517	my ($self) = @_;	2242	my ($self) = @_;
1518		2243
1519	# save first because save cedes	2244	# save first because save cedes
1520	$self->save;	2245	$self->save;
1521		2246
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2248
1524	return if $self->players;	2249	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2251	return if $self->{deny_save};
1527		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2257	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2258	}
1531		2259
1532	sub reset_at {	2260	sub reset_at {
1533	my ($self) = @_;	2261	my ($self) = @_;
1534		2262
1535	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1538		2265
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2268
…		…
1552	my ($self) = @_;	2279	my ($self) = @_;
1553		2280
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2282
1556	return if $self->players;	2283	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2284
1559	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
		2286
		2287	$self->in_memory (cf::MAP_SWAPPED);
		2288
		2289	# need to save uniques path
		2290	unless ($self->{deny_save}) {
		2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2292
		2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2294	if $uniq;
		2295	}
1560		2296
1561	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1562		2298
1563	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2301	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2302
1568	$self->unlink_save;	2303	$self->unlink_save;
1569	$self->destroy;	2304	$self->destroy;
1570	}	2305	}
1571		2306
1572	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1573		2308
1574	sub nuke {	2309	sub nuke {
1575	my ($self) = @_;	2310	my ($self) = @_;
1576		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1577	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1578		2316
1579	$self->unlink_save;	2317	$self->unlink_save;
1580		2318
1581	bless $self, "cf::map";	2319	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2324
1587	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1588		2327
1589	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1590	}	2365	}
1591		2366
1592	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1593		2368
1594	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2370	instantiated unique items. May block.
1596		2371
1597	=cut	2372	=cut
1598		2373
1599	sub unique_maps() {	2374	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1601	or return;	2376	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2377	utf8::decode $_;
1607	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1608	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1609		2380	? ()
1610	s/\.map$//;	2381	: normalise $_
1611	push @paths, $_;	2382	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2383	]
1613
1614	\@paths
1615	}	2384	}
1616
1617	package cf;
1618		2385
1619	=back	2386	=back
1620		2387
1621	=head3 cf::object	2388	=head3 cf::object
1622		2389
…		…
1626		2393
1627	=over 4	2394	=over 4
1628		2395
1629	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1630		2397
1631	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1632		2400
1633	=cut	2401	=cut
1634		2402
1635	sub inv_recursive_;	2403	sub inv_recursive_;
1636	sub inv_recursive_ {	2404	sub inv_recursive_ {
1637	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1638	}	2406	}
1639		2407
1640	sub inv_recursive {	2408	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1642	}	2438	}
1643		2439
1644	package cf;	2440	package cf;
1645		2441
1646	=back	2442	=back
…		…
1665		2461
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2463
1668	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1670	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1673	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1674	}	2489	}
1675		2490
1676	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1677		2492
1678	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2525	=cut
1711		2526
1712	sub link_map {	2527	sub link_map {
1713	unless ($LINK_MAP) {	2528	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2529	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2530	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2531	$LINK_MAP->load;
1717	}	2532	}
1718		2533
1719	$LINK_MAP	2534	$LINK_MAP
1720	}	2535	}
…		…
1725	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1726		2541
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2543
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1731		2546
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2548	}
1734		2549
1735	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1737		2554
1738	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1739		2556
1740	unless ($map) {	2557	unless ($map) {
1741	# restore original map position	2558	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1758		2575
1759	$map->load;	2576	$map->load;
1760	$map->load_diag;	2577	$map->load_neighbours;
1761		2578
1762	return unless $self->contr->active;	2579	return unless $self->contr->active;
1763	$self->activate_recursive;	2580	$self->activate_recursive;
		2581
		2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1765	}	2584	}
1766		2585
1767	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2587
1771	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1775	};	2592	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2593
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2594	=cut
		2595
		2596	our $GOTOGEN;
1802		2597
1803	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
		2600
		2601	# do generation counting so two concurrent goto's will be executed in-order
		2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2603
1806	$self->enter_link;	2604	$self->enter_link;
1807		2605
1808	(async {	2606	(async {
1809	my $map = cf::map::find $path;	2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
		2628	my $map = eval {
		2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2632	$map = $map->customise_for ($self);
1811		2633	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2634	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2636	}
1816		2637
		2638	$map
		2639	};
		2640
		2641	if ($@) {
		2642	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	LOG llevError | logBacktrace, Carp::longmess $@;
		2644	}
		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1818	})->prio (1);	2652	})->prio (1);
1819	}	2653	}
1820		2654
1821	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1822		2656
…		…
1851	# that depends on the exit object	2685	# that depends on the exit object
1852		2686
1853	my $rmp = parse_random_map_params $exit->msg;	2687	my $rmp = parse_random_map_params $exit->msg;
1854		2688
1855	if ($exit->map) {	2689	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2690	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2691	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2692	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
1860	}	2694	}
1861		2695
1862	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
1863		2697
1864	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
1867		2701
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2704	undef $fh;
1871	aio_rename "$meta~", $meta;	2705	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2712	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2713	my ($self, $exit) = @_;
1880		2714
1881	return unless $self->type == cf::PLAYER;	2715	return unless $self->type == cf::PLAYER;
1882		2716
		2717	if ($exit->slaying eq "/!") {
		2718	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2719	# the problem is that $exit might not survive long enough
		2720	# so it needs to be done right now, right here
		2721	cf::sync_job { prepare_random_map $exit };
		2722	}
		2723
		2724	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2725	my $hp = $exit->stats->hp;
		2726	my $sp = $exit->stats->sp;
		2727
1883	$self->enter_link;	2728	$self->enter_link;
1884		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
1885	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
1886	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2738	unless (eval {
1888	prepare_random_map $exit	2739	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2740
1894	1;	2741	1;
1895	}) {	2742	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2743	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2744	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2745	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2746	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2747
1901	warn "ERROR in enter_exit: $@";	2748	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2749	$self->leave_link;
1903	}	2750	}
1904	})->prio (1);	2751	})->prio (1);
…		…
1917		2764
1918	sub cf::client::send_drawinfo {	2765	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2766	my ($self, $text, $flags) = @_;
1920		2767
1921	utf8::encode $text;	2768	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2770	}
1924		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
		2896	=item $client->ext_msg ($type, @msg)
		2897
		2898	Sends an ext event to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_msg($$@) {
		2903	my ($self, $type, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
		2908	push @msg, msgtype => "event_$type";
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
		2929	}
1925		2930
1926	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
1927		2932
1928	Queues a query to the client, calling the given callback with	2933	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2936
1932	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2938	become reliable at some point in the future.
1934		2939
1935	=cut	2940	=cut
1936		2941
1937	sub cf::client::query {	2942	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2951	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2953
1949	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
1951	}	2958	}
1952		2959
1953	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
1954	on_reply => sub {	2966	on_reply => sub {
1955	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
1956		2968
1957	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
1958	# get handled first	2970	# get handled first
1959	my $queue = delete $ns->{query_queue}	2971	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2972	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2973
1962	(shift @$queue)->[1]->($msg);	2974	(shift @$queue)->[1]->($msg);
		2975	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2976
1964	push @{ $ns->{query_queue} }, @$queue;	2977	push @{ $ns->{query_queue} }, @$queue;
1965		2978
1966	if (@{ $ns->{query_queue} } == @$queue) {	2979	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2980	if (@$queue) {
…		…
1969	} else {	2982	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2984	}
1972	}	2985	}
1973	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
1974	);	3013	);
1975		3014
1976	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
1977		3016
1978	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2021		3060
2022	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2023		3062
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2025		3068
2026	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2027		3070
2028	=pod	3071	=pod
2029		3072
2030	The following fucntions and emthods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2031		3074
2032	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2033	cf::object::player player	3079	cf::object::player
2034	cf::player peaceful	3080	player
2035	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2036		3087
2037	=cut	3088	=cut
2038		3089
2039	for (	3090	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2041	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2044	) {	3097	) {
2045	no strict 'refs';	3098	no strict 'refs';
…		…
2116	=back	3169	=back
2117		3170
2118	=cut	3171	=cut
2119		3172
2120	#############################################################################	3173	#############################################################################
		3174	# the server's init and main functions
2121		3175
2122	=head2 EXTENSION DATABASE SUPPORT	3176	sub load_facedata($) {
		3177	my ($path) = @_;
2123		3178
2124	Crossfire maintains a very simple database for extension use. It can	3179	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3180	# for this (global event?)
2126	excludes objects.	3181	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3182
2128	The parameter C<$family> should best start with the name of the extension	3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3184
2131	=over 4	3185	warn "loading facedata from $path\n";
2132		3186
2133	=item $hashref = cf::db_get $family	3187	my $facedata;
		3188	0 < aio_load $path, $facedata
		3189	or die "$path: $!";
2134		3190
2135	Return a hashref for use by the extension C<$family>, which can be	3191	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3192
2139	=item $value = cf::db_get $family => $key	3193	$facedata->{version} == 2
		3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3195
2141	Returns a single value from the database	3196	# patch in the exptable
2142		3197	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	3198	type => FT_RSRC,
2144		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3200	};
		3201	cf::cede_to_tick;
2194		3202
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3203	{
		3204	my $faces = $facedata->{faceinfo};
2199		3205
2200	sub db_get($;$) {	3206	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3208
2206	sub db_put($$;$) {	3209	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3210	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	} else {	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		3213
2215	cf::global->attach (	3214	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3215	}
2220	);
2221	}
2222		3216
2223	#############################################################################	3217	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3218	next unless $info->{smooth};
2225		3219
2226	sub cfg_load {	3220	my $idx = cf::face::find $face
		3221	or next;
		3222
		3223	if (my $smooth = cf::face::find $info->{smooth}) {
		3224	cf::face::set_smooth $idx, $smooth;
		3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3226	} else {
		3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3228	}
		3229
		3230	cf::cede_to_tick;
		3231	}
		3232	}
		3233
		3234	{
		3235	my $anims = $facedata->{animinfo};
		3236
		3237	while (my ($anim, $info) = each %$anims) {
		3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3239	cf::cede_to_tick;
		3240	}
		3241
		3242	cf::anim::invalidate_all; # d'oh
		3243	}
		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3279
		3280	1
		3281	}
		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
		3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
		3316	load_resource_file "$MAPDIR/regions"
		3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
		3323	}
		3324
		3325	sub reload_facedata {
		3326	load_facedata "$DATADIR/facedata"
		3327	or die "unable to load facedata\n";
		3328	}
		3329
		3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
		3338	}
		3339
		3340	sub reload_treasures {
		3341	load_resource_file "$DATADIR/treasures"
		3342	or die "unable to load treasurelists\n";
		3343	}
		3344
		3345	sub reload_resources {
		3346	warn "reloading resource files...\n";
		3347
		3348	reload_regions;
		3349	reload_facedata;
		3350	#reload_archetypes;#d#
		3351	reload_archetypes;
		3352	reload_treasures;
		3353
		3354	warn "finished reloading resource files\n";
		3355	}
		3356
		3357	sub init {
		3358	reload_resources;
		3359	}
		3360
		3361	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3363	or return;
2229		3364
2230	local $/;	3365	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2232		3367
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2234		3369
2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2247	sub main {	3382	sub main {
2248	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3386	(async {
2252	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2254	};	3390	};
2255		3391
2256	cfg_load;	3392	reload_config;
2257	db_load;	3393	db_init;
2258	load_extensions;	3394	load_extensions;
2259		3395
2260	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2261	Event::loop;	3398	EV::loop;
2262	}	3399	}
2263		3400
2264	#############################################################################	3401	#############################################################################
2265	# initialisation and cleanup	3402	# initialisation and cleanup
2266		3403
2267	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2268	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3409	cf::cleanup "SIG$signal";
2275	},
2276	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2277	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2278	}	3493	}
2279		3494
2280	sub emergency_save() {	3495	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2282		3497
…		…
2288	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3509	$pl->save;
2294	}	3510	}
2295	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2296		3512
2297	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3515	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3516	$map->valid or next;
2301	$map->save;	3517	$map->save;
2302	}	3518	}
2303	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
		3520
		3521	warn "begin emergency database checkpoint\n";
		3522	BDB::db_env_txn_checkpoint $DB_ENV;
		3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2304	};	3528	};
2305		3529
2306	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2307	}	3531	}
2308		3532
		3533	sub post_cleanup {
		3534	my ($make_core) = @_;
		3535
		3536	warn Carp::longmess "post_cleanup backtrace"
		3537	if $make_core;
		3538	}
		3539
2309	sub reload() {	3540	sub do_reload_perl() {
2310	# can/must only be called in main	3541	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3542	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3543	warn "can only reload from main coroutine";
2313	return;	3544	return;
2314	}	3545	}
2315		3546
2316	warn "reloading...";	3547	warn "reloading...";
2317		3548
2318	warn "cancelling server ticker";	3549	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3550
		3551	cf::sync_job {
		3552	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3553	cf::emergency_save;
		3554	cf::write_runtime_sync; # external watchdog should not bark
2322		3555
2323	eval {	3556	warn "syncing database to disk";
		3557	BDB::db_env_txn_checkpoint $DB_ENV;
		3558
2324	# if anything goes wrong in here, we should simply crash as we already saved	3559	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328
2329	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}
2333		3560
2334	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2335	for (;;) {	3562	for (;;) {
		3563	BDB::flush;
2336	IO::AIO::flush;	3564	IO::AIO::flush;
2337	Coro::cede;	3565	Coro::cede_notself;
2338	last unless IO::AIO::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3567	warn "iterate...";
2340	}	3568	}
		3569
		3570	++$RELOAD;
2341		3571
2342	warn "cancelling all extension coros";	3572	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3573	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3574	%EXT_CORO = ();
2345		3575
2346	warn "removing commands";	3576	warn "removing commands";
2347	%COMMAND = ();	3577	%COMMAND = ();
2348		3578
2349	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2351		3582
2352	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2355		3586
…		…
2385	Symbol::delete_package "safe::$_"	3616	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3617	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3618
2388	warn "unloading cf.pm \"a bit\"";	3619	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3620	delete $INC{"cf.pm"};
		3621	delete $INC{"cf/pod.pm"};
2390		3622
2391	# don't, removes xs symbols, too,	3623	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3624	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3625	#Symbol::delete_package __PACKAGE__;
2394		3626
…		…
2397	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2398	require cf;	3630	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3632
2401	warn "loading config and database again";	3633	warn "loading config and database again";
2402	cf::cfg_load;	3634	cf::reload_config;
2403	cf::db_load;
2404		3635
2405	warn "loading extensions";	3636	warn "loading extensions";
2406	cf::load_extensions;	3637	cf::load_extensions;
2407		3638
2408	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3640	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3641	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3642	reattach $_ for values %MAP;
		3643	warn "reattaching attachments to players";
		3644	reattach $_ for values %PLAYER;
2412		3645
2413	warn "restarting server ticker";	3646	warn "leaving sync_job";
2414		3647
2415	$TICK_WATCHER->start;	3648	1
		3649	} or do {
		3650	warn $@;
		3651	cf::cleanup "error while reloading, exiting.";
2416	};	3652	};
2417
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423		3653
2424	warn "reloaded";	3654	warn "reloaded";
2425	};	3655	};
2426		3656
2427	our $RELOAD_WATCHER; # used only during reload	3657	our $RELOAD_WATCHER; # used only during reload
2428		3658
		3659	sub reload_perl() {
		3660	# doing reload synchronously and two reloads happen back-to-back,
		3661	# coro crashes during coro_state_free->destroy here.
		3662
		3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3664	do_reload_perl;
		3665	undef $RELOAD_WATCHER;
		3666	};
		3667	}
		3668
2429	register_command "reload" => sub {	3669	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2431		3671
2432	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
2434		3674	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3675	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	3676	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3677	};
2442	}	3678	}
2443	};	3679	};
2444		3680
2445	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2446		3682
2447	my $bug_warning = 0;	3683	my $bug_warning = 0;
2448		3684
2449	$TICK_WATCHER = Event->timer (	3685	our @WAIT_FOR_TICK;
2450	reentrant => 0,	3686	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	3687
2452	prio => 0,	3688	sub wait_for_tick {
2453	at => $NEXT_TICK || $TICK,	3689	return if tick_inhibit;
2454	data => WF_AUTOCANCEL,	3690	return if $Coro::current == $Coro::main;
2455	cb => sub {	3691
		3692	my $signal = new Coro::Signal;
		3693	push @WAIT_FOR_TICK, $signal;
		3694	$signal->wait;
		3695	}
		3696
		3697	sub wait_for_tick_begin {
		3698	return if tick_inhibit;
		3699	return if $Coro::current == $Coro::main;
		3700
		3701	my $signal = new Coro::Signal;
		3702	push @WAIT_FOR_TICK_BEGIN, $signal;
		3703	$signal->wait;
		3704	}
		3705
		3706	sub tick {
2456	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2459	return;	3710	return;
2460	}	3711	}
2461		3712
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		3714
2468	$WAIT_FOR_TICK->broadcast;	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2470		3717	Coro::async_pool {
2471	# if we are delayed by four ticks or more, skip them all	3718	$Coro::current->{desc} = "runtime saver";
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2473
2474	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;
2476	},
2477	);
2478
2479	IO::AIO::max_poll_time $TICK * 0.2;
2480
2481	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,
2491	after => 1,
2492	interval => 10,
2493	prio => 6, # keep it lowest so it acts like a watchdog
2494	cb => Coro::unblock_sub {
2495	write_runtime	3719	write_runtime_sync
2496	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
		3721	};
2497	},	3722	}
2498	);	3723
		3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3725	$sig->send;
		3726	}
		3727	while (my $sig = shift @WAIT_FOR_TICK) {
		3728	$sig->send;
		3729	}
		3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
		3740	}
		3741	}
		3742
		3743	{
		3744	# configure BDB
		3745
		3746	BDB::min_parallel 8;
		3747	BDB::max_poll_reqs $TICK * 0.1;
		3748	$Coro::BDB::WATCHER->priority (1);
		3749
		3750	unless ($DB_ENV) {
		3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3756
		3757	cf::sync_job {
		3758	eval {
		3759	BDB::db_env_open
		3760	$DB_ENV,
		3761	$BDBDIR,
		3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3764	0666;
		3765
		3766	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3767	};
		3768
		3769	cf::cleanup "db_env_open(db): $@" if $@;
		3770	};
		3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
		3782	}
		3783
		3784	{
		3785	# configure IO::AIO
		3786
		3787	IO::AIO::min_parallel 8;
		3788	IO::AIO::max_poll_time $TICK * 0.1;
		3789	$Coro::AIO::WATCHER->priority (1);
		3790	}
		3791
		3792	my $_log_backtrace;
		3793
		3794	sub _log_backtrace {
		3795	my ($msg, @addr) = @_;
		3796
		3797	$msg =~ s/\n//;
		3798
		3799	# limit the # of concurrent backtraces
		3800	if ($_log_backtrace < 2) {
		3801	++$_log_backtrace;
		3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
		3805	my @bt = fork_call {
		3806	@addr = map { sprintf "%x", $_ } @addr;
		3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3809	or die "addr2line: $!";
		3810
		3811	my @funcs;
		3812	my @res = <$fh>;
		3813	chomp for @res;
		3814	while (@res) {
		3815	my ($func, $line) = splice @res, 0, 2, ();
		3816	push @funcs, "[$func] $line";
		3817	}
		3818
		3819	@funcs
		3820	};
		3821
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] $_\n" for @bt;
		3824	--$_log_backtrace;
		3825	};
		3826	} else {
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] [suppressed]\n";
		3829	}
		3830	}
		3831
		3832	# load additional modules
		3833	use cf::pod;
2499		3834
2500	END { cf::emergency_save }	3835	END { cf::emergency_save }
2501		3836
2502	1	3837	1
2503		3838

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