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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC vs.
Revision 1.416 by root, Fri Apr 11 13:59:06 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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	537	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		538
358	aio_fsync $fh	539	sub fork_call(&@) {
359	and return;	540	my ($cb, @args) = @_;
360		541
361	close $fh	542	# we seemingly have to make a local copy of the whole thing,
362	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
363		545
364	aio_rename "$runtime~", $runtime	546	my @res = Coro::Util::fork_eval {
365	and return;	547	reset_signals;
		548	&$cb
		549	}, @args;
366		550
		551	wantarray ? @res : $res[-1]
		552	}
		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($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
367	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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 });
368	}	717	}
369		718
370	=back	719	=back
371		720
372	=cut	721	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
381		730
382	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>
383	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
384	crossfire+).	733	Deliantra).
385		734
386	=over 4	735	=over 4
387		736
388	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
389		738
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
553		902
554	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		907
559	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	909	my $pkg = shift @arg;
561		910
562	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
592	}	941	}
593		942
594	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
595	} else {	944	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	946	}
598		947
599	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
600	}	949	}
601		950
…		…
603	if (ref $_[0]) {	952	if (ref $_[0]) {
604	_object_attach @_;	953	_object_attach @_;
605	} else {	954	} else {
606	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
607	}	956	}
		957	_recalc_want;
608	};	958	};
609		959
610	# all those should be optimised	960	# all those should be optimised
611	sub cf::attachable::detach {	961	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
616	reattach ($obj);	966	reattach ($obj);
617	} else {	967	} else {
618	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
619	}	969	}
		970	_recalc_want;
620	};	971	};
621		972
622	sub cf::attachable::attached {	973	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
624		975
…		…
639	";	990	";
640	die if $@;	991	die if $@;
641	}	992	}
642		993
643	our $override;	994	our $override;
644	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?
645		996
646	sub override {	997	sub override {
647	$override = 1;	998	$override = 1;
648	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
649	}	1000	}
650		1001
651	sub do_invoke {	1002	sub do_invoke {
652	my $event = shift;	1003	my $event = shift;
653	my $callbacks = shift;	1004	my $callbacks = shift;
654		1005
655	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
656		1007
657	local $override;	1008	local $override;
658		1009
659	for (@$callbacks) {	1010	for (@$callbacks) {
660	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
669	}	1020	}
670		1021
671	0	1022	0
672	}	1023	}
673		1024
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1026
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1028
678	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
679		1030
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1034
684	=back	1035	=back
685		1036
686	=cut	1037	=cut
687		1038
688	#############################################################################	1039	#############################################################################
689	# 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, $ob2
		1082	}
690		1083
691	sub reattach {	1084	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1086	my ($obj) = @_;
694		1087
…		…
715	cf::attachable->attach (	1108	cf::attachable->attach (
716	prio => -1000000,	1109	prio => -1000000,
717	on_instantiate => sub {	1110	on_instantiate => sub {
718	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
719		1112
720	$data = from_json $data;	1113	$data = decode_json $data;
721		1114
722	for (@$data) {	1115	for (@$data) {
723	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
724		1117
725	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1134	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
743		1136
744	sync_job {	1137	sync_job {
745	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
748		1142
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1147	close $fh;
754		1148
755	if (@$objs) {	1149	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1155	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
763	}	1157	}
764	} else {	1158	} else {
765	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
771	}	1165	}
772	} else {	1166	} else {
773	aio_unlink $filename;	1167	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
775	}	1169	}
776	}	1170	};
777	}	1171	}
778		1172
779	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
781		1175
…		…
793	or return;	1187	or return;
794		1188
795	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
797	or return;	1191	or return;
		1192
798	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
799	}	1195	}
800		1196
		1197	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
803	return ($data, $av);	1201	($data, $av)
804	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
805		1209
806	#############################################################################	1210	#############################################################################
807	# command handling &c	1211	# command handling &c
808		1212
809	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1227	}
824		1228
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1230
827	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.
828		1236
829	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
830	called.	1238	called.
831		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
832	=cut	1251	=cut
833		1252
834	sub register_extcmd {	1253	sub register_extcmd {
835	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
836		1255
837	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
838	}	1263	}
839		1264
840	cf::player->attach (	1265	cf::player->attach (
841	on_command => sub {	1266	on_command => sub {
842	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1276	cf::override;
852	},	1277	},
853	on_extcmd => sub {	1278	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
855		1280
856	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1282
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
864	} else {	1298	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1300	}
867		1301
868	cf::override;	1302	cf::override;
869	},	1303	},
870	);	1304	);
871		1305
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
907	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1311	next unless -r $path;
909	eval {	1312
910	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	$progress = 1;
911	1	1369	}
912	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
913	}	1375	};
914	}	1376	}
915		1377
916	#############################################################################	1378	#############################################################################
917		1379
		1380	=back
		1381
918	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
919		1383
920	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
921		1385
922	=cut	1386	=cut
…		…
927		1391
928	=head3 cf::player	1392	=head3 cf::player
929		1393
930	=over 4	1394	=over 4
931		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
932	=item cf::player::find $login	1410	=item cf::player::find $login
933		1411
934	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
935		1413
936	=cut	1414	=cut
937		1415
938	sub playerdir($) {	1416	sub playerdir($) {
939	cf::localdir	1417	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1419	}
945		1420
946	sub path($) {	1421	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1423
949	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
950	}	1425	}
951		1426
952	sub find_active($) {	1427	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1442	my $login = $_[0];
968		1443
969	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
970		1445
971	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
975	}	1462	}
976	}	1463	}
977	}	1464	}
978		1465
…		…
988		1475
989	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
991		1478
992	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
993	Coro::cede;	1480	cf::cede_to_tick;
994	}	1481	}
995		1482
996	sub new($) {	1483	sub new($) {
997	my ($login) = @_;	1484	my ($login) = @_;
998		1485
…		…
1004	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1005		1492
1006	$self	1493	$self
1007	}	1494	}
1008		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
1009	=item $pl->quit_character	1506	=item $pl->quit_character
1010		1507
1011	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1013		1510
1014	=cut	1511	=cut
1015		1512
1016	sub quit_character {	1513	sub quit_character {
1017	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1018		1517
1019	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1020	$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
1021		1520
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1552	}
1034		1553
1035	=item cf::player::list_logins	1554	=item cf::player::list_logins
1036		1555
1037	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
1038	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1039		1558
1040	=cut	1559	=cut
1041		1560
1042	sub list_logins {	1561	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1563	or return [];
1045		1564
1046	my @logins;	1565	my @logins;
1047		1566
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1052		1576
1053	utf8::decode $login;	1577	utf8::decode $login;
1054	push @logins, $login;	1578	push @logins, $login;
1055	}	1579	}
1056		1580
…		…
1064		1588
1065	=cut	1589	=cut
1066		1590
1067	sub maps($) {	1591	sub maps($) {
1068	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1595
1070	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1071	or return;	1597	or return;
1072		1598
1073	my @paths;	1599	my @paths;
…		…
1075	for (@$files) {	1601	for (@$files) {
1076	utf8::decode $_;	1602	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1079		1605
1080	s/\.map$//;	1606	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1607	}
1083		1608
1084	\@paths	1609	\@paths
1085	}	1610	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1088		1706
1089	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1090		1708
1091	=cut	1709	=cut
1092		1710
1093	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1095		1713
1096	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1715	}
1100		1716
1101	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	}
1102		1757
1103	=back	1758	=back
1104
1105		1759
1106	=head3 cf::map	1760	=head3 cf::map
1107		1761
1108	=over 4	1762	=over 4
1109		1763
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1791	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1792	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1793	)
1140	}	1794	}
1141		1795
		1796	=item cf::map->register ($regex, $prio)
		1797
		1798	Register a handler for the map path matching the given regex at the
		1799	givne priority (higher is better, built-in handlers have priority 0, the
		1800	default).
		1801
		1802	=cut
		1803
1142	sub register {	1804	sub register {
1143	my (undef, $regex) = @_;	1805	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1806	my $pkg = caller;
1145		1807
1146	no strict;	1808	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1809	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1810
1149	$EXT_MAP{$pkg} = qr<$regex>;	1811	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1812	}
1151		1813
1152	# also paths starting with '/'	1814	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1815	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1816
1155	sub thawer_merge {	1817	sub thawer_merge {
1156	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1157		1819
1158	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1159	local $self->{path};	1821	local $self->{path};
1160	local $self->{load_path};	1822	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1823
1164	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1165	}	1825	}
1166		1826
1167	sub normalise {	1827	sub normalise {
1168	my ($path, $base) = @_;	1828	my ($path, $base) = @_;
		1829
		1830	$path = "$path"; # make sure its a string
		1831
		1832	$path =~ s/\.map$//;
1169		1833
1170	# map plan:	1834	# map plan:
1171	#	1835	#
1172	# /! non-realised random map exit (special hack!)	1836	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1837	# {... are special paths that are not being touched
…		…
1201		1865
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1866	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1867
1204	$path = normalise $path, $base;	1868	$path = normalise $path, $base;
1205		1869
1206	for my $pkg (keys %EXT_MAP) {	1870	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1871	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1872	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1873	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1211	return $self;	1875	return $self;
1212	}	1876	}
1213	}	1877	}
1214		1878
1215	Carp::carp "unable to resolve path '$path'.";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1880	()
1217	}	1881	}
1218		1882
1219	sub init {	1883	sub init {
1220	my ($self) = @_;	1884	my ($self) = @_;
…		…
1235		1899
1236	# the original (read-only) location	1900	# the original (read-only) location
1237	sub load_path {	1901	sub load_path {
1238	my ($self) = @_;	1902	my ($self) = @_;
1239		1903
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1241	}	1905	}
1242		1906
1243	# the temporary/swap location	1907	# the temporary/swap location
1244	sub save_path {	1908	sub save_path {
1245	my ($self) = @_;	1909	my ($self) = @_;
1246		1910
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1249	}	1913	}
1250		1914
1251	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1252	sub uniq_path {	1916	sub uniq_path {
1253	my ($self) = @_;	1917	my ($self) = @_;
1254		1918
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1257	}	1921	}
1258		1922
1259	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1260	# all maps in C++...	1924	# all maps in C++...
1261	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1263		1927
1264	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1266	}	1930	}
1267		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1268	sub unlink_save {	1940	sub unlink_save {
1269	my ($self) = @_;	1941	my ($self) = @_;
1270		1942
1271	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1947
1276	sub load_header_from($) {	1948	sub load_header_from($) {
1277	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1278		1950
1279	utf8::encode $path;	1951	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1281	or return;	1953	or return;
1282		1954
1283	$self->_load_header ($path)	1955	$self->_load_header ($f)
1284	or return;	1956	or return;
1285		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
		1960
1286	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1287		1962
1288	1	1963	1
1289	}	1964	}
1290		1965
1291	sub load_orig {	1966	sub load_header_orig {
1292	my ($self) = @_;	1967	my ($self) = @_;
1293		1968
1294	$self->load_header_from ($self->load_path)	1969	$self->load_header_from ($self->load_path)
1295	}	1970	}
1296		1971
1297	sub load_temp {	1972	sub load_header_temp {
1298	my ($self) = @_;	1973	my ($self) = @_;
1299		1974
1300	$self->load_header_from ($self->save_path)	1975	$self->load_header_from ($self->save_path)
		1976	}
		1977
		1978	sub prepare_temp {
		1979	my ($self) = @_;
		1980
		1981	$self->last_access ((delete $self->{last_access})
		1982	|| $cf::RUNTIME); #d#
		1983	# safety
		1984	$self->{instantiate_time} = $cf::RUNTIME
		1985	if $self->{instantiate_time} > $cf::RUNTIME;
		1986	}
		1987
		1988	sub prepare_orig {
		1989	my ($self) = @_;
		1990
		1991	$self->{load_original} = 1;
		1992	$self->{instantiate_time} = $cf::RUNTIME;
		1993	$self->last_access ($cf::RUNTIME);
		1994	$self->instantiate;
1301	}	1995	}
1302		1996
1303	sub load_header {	1997	sub load_header {
1304	my ($self) = @_;	1998	my ($self) = @_;
1305		1999
1306	if ($self->load_temp) {	2000	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2001	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2002	} else {
1313	$self->load_orig	2003	$self->load_header_orig
1314	or return;	2004	or return;
1315		2005	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2006	}
		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
		2011	$self->default_region (cf::region::find_by_path $self->{path})
		2012	unless $self->default_region;
1321		2013
1322	1	2014	1
1323	}	2015	}
1324		2016
1325	sub find;	2017	sub find;
1326	sub find {	2018	sub find {
1327	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1328		2020
1329	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1330		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1332		2025
1333	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1335	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1336	or return;	2031	or return;
1337		2032
1338	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1339		2034
1340	$map->load_header	2035	$map->load_header
1341	or return;	2036	or return;
1342		2037
1343	if ($map->should_reset) {	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2039	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1345	$map->reset;	2043	$map->reset;
1346	undef $guard;
1347	$map = find $path	2044	return find $path;
1348	or return;
1349	}	2045	}
1350		2046
1351	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1352	}	2048	}
1353	}	2049	}
		2050
		2051	sub pre_load { }
		2052	sub post_load { }
1354		2053
1355	sub load {	2054	sub load {
1356	my ($self) = @_;	2055	my ($self) = @_;
1357		2056
		2057	local $self->{deny_reset} = 1; # loading can take a long time
		2058
1358	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1360		2063
		2064	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2066
1363	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1364		2068
1365	$self->alloc;	2069	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2070
		2071	$self->pre_load;
		2072	cf::cede_to_tick;
		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1367	or return;	2077	or return;
1368		2078
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2080	if delete $self->{load_original};
1371		2081
1372	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2083	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2086	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1377	}	2090	}
1378	}	2091	}
1379		2092
1380	Coro::cede;	2093	$f->resolve_delayed_derefs;
1381		2094
		2095	cf::cede_to_tick;
1382	# now do the right thing for maps	2096	# now do the right thing for maps
1383	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2099	unless $self->difficulty;
1393	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($self->{deny_activate}) {
		2103	$self->decay_objects;
		2104	$self->fix_auto_apply;
		2105	$self->update_buttons;
		2106	cf::cede_to_tick;
		2107	$self->set_darkness_map;
		2108	cf::cede_to_tick;
1394	$self->activate;	2109	$self->activate;
1395	}	2110	}
1396		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
		2116	}
		2117
		2118	$self->post_load;
1398	}	2119	}
1399		2120
1400	sub customise_for {	2121	sub customise_for {
1401	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1402		2123
1403	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2125	if $self->per_player;
1405		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1406	$self	2130	$self
1407	}	2131	}
1408		2132
1409	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2134	sub load_neighbours {
1411	my ($map) = @_;	2135	my ($map) = @_;
1412		2136
1413	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1414		2138
1415	for (0 .. 3) {	2139	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1417	or next;	2141	or next;
1418	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1419	or next;	2143	or next;
1420	$neigh->load;	2144	$neigh->load;
1421		2145
		2146	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2149	}
1425		2150
1426	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1428	or next;	2154	or next;
1429	$neigh->load;	2155	$neigh->load;
1430	}	2156	}
1431	}	2157	}
1432		2158
…		…
1437	}	2163	}
1438		2164
1439	sub do_load_sync {	2165	sub do_load_sync {
1440	my ($map) = @_;	2166	my ($map) = @_;
1441		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1442	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1443	}	2172	}
1444		2173
1445	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1447		2176
1448	sub find_async {	2177	sub find_async {
1449	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1450		2179
1451	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1452		2181
1453	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1455	}	2184	}
1456		2185
1457	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1458	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1459	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1460	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	my $map = find $path	2193	if (my $map = find $k) {
1462	or next;
1463	$map->load;	2194	$map->load if $v;
		2195	}
1464		2196
1465	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1466	}	2198	}
1467	}	2199	}
1468	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1469	};	2201	};
		2202	$MAP_PREFETCHER->prio (6);
1470		2203
1471	()	2204	()
1472	}	2205	}
1473		2206
1474	sub save {	2207	sub save {
1475	my ($self) = @_;	2208	my ($self) = @_;
1476		2209
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2211
1479	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1480		2213
1481	return unless $self->dirty;	2214	return unless $self->dirty;
1482		2215
…		…
1488	return if $self->{deny_save};	2221	return if $self->{deny_save};
1489		2222
1490	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1491		2224
1492	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1494	};	2228	};
1495		2229
1496	if ($uniq) {	2230	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2239	my ($self) = @_;
1506		2240
1507	# save first because save cedes	2241	# save first because save cedes
1508	$self->save;	2242	$self->save;
1509		2243
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2245
1512	return if $self->players;	2246	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2248	return if $self->{deny_save};
1515		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2254	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2255	}
1519		2256
1520	sub reset_at {	2257	sub reset_at {
1521	my ($self) = @_;	2258	my ($self) = @_;
1522		2259
1523	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1526		2262
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2265
…		…
1540	my ($self) = @_;	2276	my ($self) = @_;
1541		2277
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2279
1544	return if $self->players;	2280	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2281
1547	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
		2283
		2284	$self->in_memory (cf::MAP_SWAPPED);
		2285
		2286	# need to save uniques path
		2287	unless ($self->{deny_save}) {
		2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2289
		2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2291	if $uniq;
		2292	}
1548		2293
1549	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1550		2295
1551	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2298	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2299
1556	$self->unlink_save;	2300	$self->unlink_save;
1557	$self->destroy;	2301	$self->destroy;
1558	}	2302	}
1559		2303
1560	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1561		2305
1562	sub nuke {	2306	sub nuke {
1563	my ($self) = @_;	2307	my ($self) = @_;
1564		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1565	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1566		2313
1567	$self->unlink_save;	2314	$self->unlink_save;
1568		2315
1569	bless $self, "cf::map";	2316	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2321
1575	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1576		2324
1577	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
		2326	}
		2327
		2328	=item $maps = cf::map::tmp_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	maps. May block.
		2332
		2333	=cut
		2334
		2335	sub tmp_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise $_
		2341	: ()
		2342	} @{ aio_readdir $TMPDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
1578	}	2362	}
1579		2363
1580	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1581		2365
1582	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2367	instantiated unique items. May block.
1584		2368
1585	=cut	2369	=cut
1586		2370
1587	sub unique_maps() {	2371	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1589	or return;	2373	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2374	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2375	/\.map$/
1599	push @paths, $_;	2376	? normalise $_
		2377	: ()
		2378	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2379	]
1601
1602	\@paths
1603	}	2380	}
1604
1605	package cf;
1606		2381
1607	=back	2382	=back
1608		2383
1609	=head3 cf::object	2384	=head3 cf::object
1610		2385
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1626	}	2401	}
1627		2402
1628	sub inv_recursive {	2403	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1630	}	2433	}
1631		2434
1632	package cf;	2435	package cf;
1633		2436
1634	=back	2437	=back
…		…
1653		2456
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2458
1656	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1658	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1661	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1662	}	2484	}
1663		2485
1664	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1665		2487
1666	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2520	=cut
1699		2521
1700	sub link_map {	2522	sub link_map {
1701	unless ($LINK_MAP) {	2523	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2524	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2525	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2526	$LINK_MAP->load;
1705	}	2527	}
1706		2528
1707	$LINK_MAP	2529	$LINK_MAP
1708	}	2530	}
…		…
1713	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1714		2536
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2538
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1719		2541
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2543	}
1722		2544
1723	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1725		2549
1726	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1727		2551
1728	unless ($map) {	2552	unless ($map) {
1729	# restore original map position	2553	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1746		2570
1747	$map->load;	2571	$map->load;
1748	$map->load_diag;	2572	$map->load_neighbours;
1749		2573
1750	return unless $self->contr->active;	2574	return unless $self->contr->active;
1751	$self->activate_recursive;	2575	$self->activate_recursive;
		2576
		2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1753	}	2579	}
1754		2580
1755	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2582
1759	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1763	};	2587	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2588
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1790		2592
1791	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
		2595
		2596	# do generation counting so two concurrent goto's will be executed in-order
		2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2598
1794	$self->enter_link;	2599	$self->enter_link;
1795		2600
1796	(async {	2601	(async {
1797	my $map = cf::map::find $path;	2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
		2623	my $map = eval {
		2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
1799		2628	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2629	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
1804		2632
		2633	$map
		2634	};
		2635
		2636	if ($@) {
		2637	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2638	LOG llevError | logBacktrace, Carp::longmess $@;
		2639	}
		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1806	})->prio (1);	2647	})->prio (1);
1807	}	2648	}
1808		2649
1809	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1810		2651
…		…
1839	# that depends on the exit object	2680	# that depends on the exit object
1840		2681
1841	my $rmp = parse_random_map_params $exit->msg;	2682	my $rmp = parse_random_map_params $exit->msg;
1842		2683
1843	if ($exit->map) {	2684	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2685	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2686	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2687	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1848	}	2689	}
1849		2690
1850	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1851		2692
1852	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1853	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1855		2696
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2699	undef $fh;
1859	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2707	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2708	my ($self, $exit) = @_;
1868		2709
1869	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1870		2711
		2712	if ($exit->slaying eq "/!") {
		2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2714	# the problem is that $exit might not survive long enough
		2715	# so it needs to be done right now, right here
		2716	cf::sync_job { prepare_random_map $exit };
		2717	}
		2718
		2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2720	my $hp = $exit->stats->hp;
		2721	my $sp = $exit->stats->sp;
		2722
1871	$self->enter_link;	2723	$self->enter_link;
1872		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
1873	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1874	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2733	unless (eval {
1876	prepare_random_map $exit	2734	$self->goto ($slaying, $hp, $sp);
1877	if $exit->slaying eq "/!";
1878
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1881		2735
1882	1;	2736	1;
1883	}) {	2737	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2742
1889	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2744	$self->leave_link;
1891	}	2745	}
1892	})->prio (1);	2746	})->prio (1);
…		…
1905		2759
1906	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1908		2762
1909	utf8::encode $text;	2763	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2765	}
1912		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
1913		2925
1914	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
1915		2927
1916	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2931
1920	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2933	become reliable at some point in the future.
1922		2934
1923	=cut	2935	=cut
1924		2936
1925	sub cf::client::query {	2937	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2946	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2948
1937	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
1939	}	2953	}
1940		2954
1941	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
1942	on_reply => sub {	2961	on_reply => sub {
1943	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
1944		2963
1945	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
1946	# get handled first	2965	# get handled first
1947	my $queue = delete $ns->{query_queue}	2966	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	2967	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		2968
1950	(shift @$queue)->[1]->($msg);	2969	(shift @$queue)->[1]->($msg);
		2970	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		2971
1952	push @{ $ns->{query_queue} }, @$queue;	2972	push @{ $ns->{query_queue} }, @$queue;
1953		2973
1954	if (@{ $ns->{query_queue} } == @$queue) {	2974	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	2975	if (@$queue) {
…		…
1957	} else {	2977	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	2979	}
1960	}	2980	}
1961	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
1962	);	3008	);
1963		3009
1964	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
1965		3011
1966	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2009		3055
2010	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2011		3057
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2013		3063
2014	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2015		3065
2016	=pod	3066	=pod
2017		3067
2018	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2019		3069
2020	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2021	cf::object::player player	3074	cf::object::player
2022	cf::player peaceful	3075	player
2023	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2024		3082
2025	=cut	3083	=cut
2026		3084
2027	for (	3085	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2029	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2032	) {	3092	) {
2033	no strict 'refs';	3093	no strict 'refs';
…		…
2104	=back	3164	=back
2105		3165
2106	=cut	3166	=cut
2107		3167
2108	#############################################################################	3168	#############################################################################
		3169	# the server's init and main functions
2109		3170
2110	=head2 EXTENSION DATABASE SUPPORT	3171	sub load_facedata($) {
		3172	my ($path) = @_;
2111		3173
2112	Crossfire maintains a very simple database for extension use. It can	3174	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3175	# for this (global event?)
2114	excludes objects.	3176	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3177
2116	The parameter C<$family> should best start with the name of the extension	3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3179
2119	=over 4	3180	warn "loading facedata from $path\n";
2120		3181
2121	=item $hashref = cf::db_get $family	3182	my $facedata;
		3183	0 < aio_load $path, $facedata
		3184	or die "$path: $!";
2122		3185
2123	Return a hashref for use by the extension C<$family>, which can be	3186	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3187
2127	=item $value = cf::db_get $family => $key	3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3190
2129	Returns a single value from the database	3191	# patch in the exptable
2130		3192	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3193	type => FT_RSRC,
2132		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3195	};
		3196	cf::cede_to_tick;
2182		3197
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3198	{
		3199	my $faces = $facedata->{faceinfo};
2187		3200
2188	sub db_get($;$) {	3201	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3203
2194	sub db_put($$;$) {	3204	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3205	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2197	} else {	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3208
2203	cf::global->attach (	3209	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3210	}
2208	);
2209	}
2210		3211
2211	#############################################################################	3212	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3213	next unless $info->{smooth};
2213		3214
2214	sub cfg_load {	3215	my $idx = cf::face::find $face
		3216	or next;
		3217
		3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
		3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3221	} else {
		3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3223	}
		3224
		3225	cf::cede_to_tick;
		3226	}
		3227	}
		3228
		3229	{
		3230	my $anims = $facedata->{animinfo};
		3231
		3232	while (my ($anim, $info) = each %$anims) {
		3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3234	cf::cede_to_tick;
		3235	}
		3236
		3237	cf::anim::invalidate_all; # d'oh
		3238	}
		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
		3275	1
		3276	}
		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	}
		3334
		3335	sub reload_treasures {
		3336	load_resource_file "$DATADIR/treasures"
		3337	or die "unable to load treasurelists\n";
		3338	}
		3339
		3340	sub reload_resources {
		3341	warn "reloading resource files...\n";
		3342
		3343	reload_regions;
		3344	reload_facedata;
		3345	#reload_archetypes;#d#
		3346	reload_archetypes;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	reload_resources;
		3354	}
		3355
		3356	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3358	or return;
2217		3359
2218	local $/;	3360	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2220		3362
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222		3364
2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2235	sub main {	3377	sub main {
2236	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3381	(async {
2240	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2242	};	3385	};
2243		3386
2244	cfg_load;	3387	reload_config;
2245	db_load;	3388	db_init;
2246	load_extensions;	3389	load_extensions;
2247		3390
2248	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2249	Event::loop;	3393	EV::loop;
2250	}	3394	}
2251		3395
2252	#############################################################################	3396	#############################################################################
2253	# initialisation and cleanup	3397	# initialisation and cleanup
2254		3398
2255	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2256	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2257	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2258	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2259	data => WF_AUTOCANCEL,
2260	signal => $signal,
2261	cb => sub {
2262	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2263	},
2264	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2265	}	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2266	}	3488	}
2267		3489
2268	sub emergency_save() {	3490	sub emergency_save() {
2269	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2270		3492
…		…
2276	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2277	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2278	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2279	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2280	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2281	$pl->save;	3504	$pl->save;
2282	}	3505	}
2283	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2284		3507
2285	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2287	my $map = $cf::MAP{$path} or next;	3510	my $map = $cf::MAP{$path} or next;
2288	$map->valid or next;	3511	$map->valid or next;
2289	$map->save;	3512	$map->save;
2290	}	3513	}
2291	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
		3515
		3516	warn "begin emergency database checkpoint\n";
		3517	BDB::db_env_txn_checkpoint $DB_ENV;
		3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2292	};	3523	};
2293		3524
2294	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2295	}	3526	}
2296		3527
		3528	sub post_cleanup {
		3529	my ($make_core) = @_;
		3530
		3531	warn Carp::longmess "post_cleanup backtrace"
		3532	if $make_core;
		3533	}
		3534
2297	sub reload() {	3535	sub do_reload_perl() {
2298	# can/must only be called in main	3536	# can/must only be called in main
2299	if ($Coro::current != $Coro::main) {	3537	if ($Coro::current != $Coro::main) {
2300	warn "can only reload from main coroutine";	3538	warn "can only reload from main coroutine";
2301	return;	3539	return;
2302	}	3540	}
2303		3541
2304	warn "reloading...";	3542	warn "reloading...";
2305		3543
2306	warn "cancelling server ticker";	3544	warn "entering sync_job";
2307	$TICK_WATCHER->cancel;
2308		3545
		3546	cf::sync_job {
		3547	cf::write_runtime; # external watchdog should not bark
2309	cf::emergency_save;	3548	cf::emergency_save;
		3549	cf::write_runtime; # external watchdog should not bark
2310		3550
2311	eval {	3551	warn "syncing database to disk";
		3552	BDB::db_env_txn_checkpoint $DB_ENV;
		3553
2312	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2313
2314	warn "syncing database to disk";
2315	cf::db_sync;
2316
2317	warn "cancelling all WF_AUTOCANCEL watchers";
2318	for (Event::all_watchers) {
2319	$_->cancel if $_->data & WF_AUTOCANCEL;
2320	}
2321		3555
2322	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2323	for (;;) {	3557	for (;;) {
		3558	BDB::flush;
2324	IO::AIO::flush;	3559	IO::AIO::flush;
2325	Coro::cede;	3560	Coro::cede_notself;
2326	last unless IO::AIO::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2327	warn "iterate...";	3562	warn "iterate...";
2328	}	3563	}
		3564
		3565	++$RELOAD;
2329		3566
2330	warn "cancelling all extension coros";	3567	warn "cancelling all extension coros";
2331	$_->cancel for values %EXT_CORO;	3568	$_->cancel for values %EXT_CORO;
2332	%EXT_CORO = ();	3569	%EXT_CORO = ();
2333		3570
2334	warn "removing commands";	3571	warn "removing commands";
2335	%COMMAND = ();	3572	%COMMAND = ();
2336		3573
2337	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2338	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2339		3577
2340	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2341	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2342	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2343		3581
…		…
2373	Symbol::delete_package "safe::$_"	3611	Symbol::delete_package "safe::$_"
2374	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2375		3613
2376	warn "unloading cf.pm \"a bit\"";	3614	warn "unloading cf.pm \"a bit\"";
2377	delete $INC{"cf.pm"};	3615	delete $INC{"cf.pm"};
		3616	delete $INC{"cf/pod.pm"};
2378		3617
2379	# don't, removes xs symbols, too,	3618	# don't, removes xs symbols, too,
2380	# and global variables created in xs	3619	# and global variables created in xs
2381	#Symbol::delete_package __PACKAGE__;	3620	#Symbol::delete_package __PACKAGE__;
2382		3621
…		…
2385	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2386	require cf;	3625	require cf;
2387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2388		3627
2389	warn "loading config and database again";	3628	warn "loading config and database again";
2390	cf::cfg_load;	3629	cf::reload_config;
2391	cf::db_load;
2392		3630
2393	warn "loading extensions";	3631	warn "loading extensions";
2394	cf::load_extensions;	3632	cf::load_extensions;
2395		3633
2396	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
2397	_global_reattach;	3635	_global_reattach; # objects, sockets
2398	warn "reattaching attachments to maps";	3636	warn "reattaching attachments to maps";
2399	reattach $_ for values %MAP;	3637	reattach $_ for values %MAP;
		3638	warn "reattaching attachments to players";
		3639	reattach $_ for values %PLAYER;
2400		3640
2401	warn "restarting server ticker";	3641	warn "leaving sync_job";
2402		3642
2403	$TICK_WATCHER->start;	3643	1
		3644	} or do {
		3645	warn $@;
		3646	cf::cleanup "error while reloading, exiting.";
2404	};	3647	};
2405
2406	if ($@) {
2407	warn $@;
2408	warn "error while reloading, exiting.";
2409	exit 1;
2410	}
2411		3648
2412	warn "reloaded";	3649	warn "reloaded";
2413	};	3650	};
2414		3651
2415	our $RELOAD_WATCHER; # used only during reload	3652	our $RELOAD_WATCHER; # used only during reload
2416		3653
		3654	sub reload_perl() {
		3655	# doing reload synchronously and two reloads happen back-to-back,
		3656	# coro crashes during coro_state_free->destroy here.
		3657
		3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3659	do_reload_perl;
		3660	undef $RELOAD_WATCHER;
		3661	};
		3662	}
		3663
2417	register_command "reload" => sub {	3664	register_command "reload" => sub {
2418	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2419		3666
2420	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2421	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
2422		3669	async {
2423	# doing reload synchronously and two reloads happen back-to-back,	3670	$Coro::current->{desc} = "perl_reload";
2424	# coro crashes during coro_state_free->destroy here.
2425
2426	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2427	reload;	3671	reload_perl;
2428	undef $RELOAD_WATCHER;
2429	});	3672	};
2430	}	3673	}
2431	};	3674	};
2432		3675
2433	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2434		3677
2435	my $bug_warning = 0;	3678	my $bug_warning = 0;
2436		3679
2437	$TICK_WATCHER = Event->timer (	3680	our @WAIT_FOR_TICK;
2438	reentrant => 0,	3681	our @WAIT_FOR_TICK_BEGIN;
2439	parked => 1,	3682
2440	prio => 0,	3683	sub wait_for_tick {
2441	at => $NEXT_TICK || $TICK,	3684	return if tick_inhibit;
2442	data => WF_AUTOCANCEL,	3685	return if $Coro::current == $Coro::main;
2443	cb => sub {	3686
		3687	my $signal = new Coro::Signal;
		3688	push @WAIT_FOR_TICK, $signal;
		3689	$signal->wait;
		3690	}
		3691
		3692	sub wait_for_tick_begin {
		3693	return if tick_inhibit;
		3694	return if $Coro::current == $Coro::main;
		3695
		3696	my $signal = new Coro::Signal;
		3697	push @WAIT_FOR_TICK_BEGIN, $signal;
		3698	$signal->wait;
		3699	}
		3700
		3701	sub tick {
2444	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2445	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2446	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2447	return;	3705	return;
2448	}	3706	}
2449		3707
2450	$NOW = Event::time;
2451
2452	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2453	$RUNTIME += $TICK;
2454	$NEXT_TICK += $TICK;
2455		3709
2456	$WAIT_FOR_TICK->broadcast;	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2457	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2458		3712	Coro::async_pool {
2459	# if we are delayed by four ticks or more, skip them all	3713	$Coro::current->{desc} = "runtime saver";
2460	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2461
2462	$TICK_WATCHER->at ($NEXT_TICK);
2463	$TICK_WATCHER->start;
2464	},
2465	);
2466
2467	IO::AIO::max_poll_time $TICK * 0.2;
2468
2469	$AIO_POLL_WATCHER = Event->io (
2470	fd => IO::AIO::poll_fileno,
2471	poll => 'r',
2472	prio => 5,
2473	data => WF_AUTOCANCEL,
2474	cb => \&IO::AIO::poll_cb,
2475	);
2476
2477	$WRITE_RUNTIME_WATCHER = Event->timer (
2478	data => WF_AUTOCANCEL,
2479	after => 1,
2480	interval => 10,
2481	cb => Coro::unblock_sub {
2482	write_runtime	3714	write_runtime
2483	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
		3716	};
2484	},	3717	}
2485	);	3718
		3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3720	$sig->send;
		3721	}
		3722	while (my $sig = shift @WAIT_FOR_TICK) {
		3723	$sig->send;
		3724	}
		3725
		3726	$LOAD = ($NOW - $TICK_START) / $TICK;
		3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3728
		3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
		3735	}
		3736	}
		3737
		3738	{
		3739	# configure BDB
		3740
		3741	BDB::min_parallel 8;
		3742	BDB::max_poll_reqs $TICK * 0.1;
		3743	$Coro::BDB::WATCHER->priority (1);
		3744
		3745	unless ($DB_ENV) {
		3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3751
		3752	cf::sync_job {
		3753	eval {
		3754	BDB::db_env_open
		3755	$DB_ENV,
		3756	$BDBDIR,
		3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3759	0666;
		3760
		3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3762	};
		3763
		3764	cf::cleanup "db_env_open(db): $@" if $@;
		3765	};
		3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
		3777	}
		3778
		3779	{
		3780	# configure IO::AIO
		3781
		3782	IO::AIO::min_parallel 8;
		3783	IO::AIO::max_poll_time $TICK * 0.1;
		3784	$Coro::AIO::WATCHER->priority (1);
		3785	}
		3786
		3787	my $_log_backtrace;
		3788
		3789	sub _log_backtrace {
		3790	my ($msg, @addr) = @_;
		3791
		3792	$msg =~ s/\n//;
		3793
		3794	# limit the # of concurrent backtraces
		3795	if ($_log_backtrace < 2) {
		3796	++$_log_backtrace;
		3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
		3800	my @bt = fork_call {
		3801	@addr = map { sprintf "%x", $_ } @addr;
		3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3804	or die "addr2line: $!";
		3805
		3806	my @funcs;
		3807	my @res = <$fh>;
		3808	chomp for @res;
		3809	while (@res) {
		3810	my ($func, $line) = splice @res, 0, 2, ();
		3811	push @funcs, "[$func] $line";
		3812	}
		3813
		3814	@funcs
		3815	};
		3816
		3817	LOG llevInfo, "[ABT] $msg\n";
		3818	LOG llevInfo, "[ABT] $_\n" for @bt;
		3819	--$_log_backtrace;
		3820	};
		3821	} else {
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] [suppressed]\n";
		3824	}
		3825	}
		3826
		3827	# load additional modules
		3828	use cf::pod;
2486		3829
2487	END { cf::emergency_save }	3830	END { cf::emergency_save }
2488		3831
2489	1	3832	1
2490		3833

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