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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
26	use YAML::Syck ();	53	use YAML ();
27	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
31	# configure various modules to our taste	59	# configure various modules to our taste
32	#	60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		64
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		66
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		68
45	our %COMMAND = ();	69	our %COMMAND = ();
46	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
47		71
48	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
52		77
53	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
54	our @EVENT;	79	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		80
57	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
58	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(!)
59	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	97	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		99
65	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	104	our $DB_ENV;
67		105
68	our %CFG;	106	our %CFG;
69		107
70	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
72		111
73	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		115
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		123
85	binmode STDOUT;	124	binmode STDOUT;
86	binmode STDERR;	125	binmode STDERR;
87		126
88	# read virtual server time, if available	127	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
93	}	132	}
94		133
95	mkdir cf::localdir;	134	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		136
102	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
103		138
104	sub cf::map::normalise;	139	sub cf::map::normalise;
105		140
…		…
116	=item $cf::RUNTIME	151	=item $cf::RUNTIME
117		152
118	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
119	every server tick.	154	every server tick.
120		155
121	=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
122		159
123	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		164
126	=item $cf::NOW	165	=item $cf::NOW
127		166
128	The time of the last (current) server tick.	167	The time of the last (current) server tick.
129		168
130	=item $cf::TICK	169	=item $cf::TICK
131		170
132	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	183	=item %cf::CFG
135		184
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	186	from wherever your confdir points to.
138		187
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		189
141	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
142	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
143	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.
144	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.
145		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
151	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153	utf8::encode $msg;
154		207
155	$msg .= "\n"	208	$msg .= "\n"
156	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
157		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
158	LOG llevError, $msg;	213	LOG llevError, $msg;
159	};	214	};
160	}	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#?
161		231
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		239
169	# 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
170	# within the Safe compartment.	241	# within the Safe compartment.
171	for my $pkg (qw(	242	for my $pkg (qw(
172	cf::global cf::attachable	243	cf::global cf::attachable
…		…
177	)) {	248	)) {
178	no strict 'refs';	249	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	251	}
181		252
182	$Event::DIED = sub {	253	$EV::DIED = sub {
183	warn "error in event callback: @_";	254	warn "error in event callback: @_";
184	};	255	};
		256
		257	#############################################################################
185		258
186	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
187		260
188	=over 4	261	=over 4
189		262
…		…
208	$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;
209	$d	282	$d
210	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
211	}	284	}
212		285
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
216		287
217	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
218		289
219	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
220		291
221	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
222		300
223	=item cf::lock_wait $string	301	=item cf::lock_wait $string
224		302
225	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
226		304
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
232	returned.	310	returned.
233		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
234	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
235	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
236		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
237	=cut	322	=cut
238		323
239	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
240		326
241	sub lock_wait($) {	327	sub lock_wait($) {
242	my ($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#
243		334
244	# wait for lock, if any	335	# wait for lock, if any
245	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	338	Coro::schedule;
…		…
253		344
254	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
255	lock_wait $key;	346	lock_wait $key;
256		347
257	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
258		350
259	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
262	}	355	}
263	}	356	}
264		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
265	sub freeze_mainloop {	364	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
267		366
268	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	368	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$TICK_WATCHER->stop;	429	};
272	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		533
353	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
354		538
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
356	or return;
357		540
358	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		543
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
363	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
364		547
365	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	549	reset_signals;
367	and return;	550	&$cb
		551	}, @args;
368		552
369	close $fh	553	wantarray ? @res : $res[-1]
370	or return;	554	}
371		555
372	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
373	and return;
374		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
375	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
376	}	708	}
377		709
378	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
379		711
380	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
400		732
401	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	735	Deliantra).
404		736
405	=over 4	737	=over 4
406		738
407	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
408		740
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
572		904
573	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		909
578	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	911	my $pkg = shift @arg;
580		912
581	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
611	}	943	}
612		944
613	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
614	} else {	946	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	948	}
617		949
618	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
619	}	951	}
620		952
…		…
622	if (ref $_[0]) {	954	if (ref $_[0]) {
623	_object_attach @_;	955	_object_attach @_;
624	} else {	956	} else {
625	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
626	}	958	}
		959	_recalc_want;
627	};	960	};
628		961
629	# all those should be optimised	962	# all those should be optimised
630	sub cf::attachable::detach {	963	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
635	reattach ($obj);	968	reattach ($obj);
636	} else {	969	} else {
637	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
638	}	971	}
		972	_recalc_want;
639	};	973	};
640		974
641	sub cf::attachable::attached {	975	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
643		977
…		…
658	";	992	";
659	die if $@;	993	die if $@;
660	}	994	}
661		995
662	our $override;	996	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		998
665	sub override {	999	sub override {
666	$override = 1;	1000	$override = 1;
667	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
668	}	1002	}
669		1003
670	sub do_invoke {	1004	sub do_invoke {
671	my $event = shift;	1005	my $event = shift;
672	my $callbacks = shift;	1006	my $callbacks = shift;
673		1007
674	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
675		1009
676	local $override;	1010	local $override;
677		1011
678	for (@$callbacks) {	1012	for (@$callbacks) {
679	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
688	}	1022	}
689		1023
690	0	1024	0
691	}	1025	}
692		1026
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1030
697	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
698		1032
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1036
703	=back	1037	=back
704		1038
705	=cut	1039	=cut
706		1040
707	#############################################################################	1041	#############################################################################
708	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
709		1085
710	sub reattach {	1086	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1088	my ($obj) = @_;
713		1089
…		…
734	cf::attachable->attach (	1110	cf::attachable->attach (
735	prio => -1000000,	1111	prio => -1000000,
736	on_instantiate => sub {	1112	on_instantiate => sub {
737	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
738		1114
739	$data = from_json $data;	1115	$data = decode_json $data;
740		1116
741	for (@$data) {	1117	for (@$data) {
742	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
743		1119
744	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1136	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
762		1138
763	sync_job {	1139	sync_job {
764	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
767		1144
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1149	aio_close $fh;
773		1150
774	if (@$objs) {	1151	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1157	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
782	}	1159	}
783	} else {	1160	} else {
784	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
785	}	1162	}
…		…
790	}	1167	}
791	} else {	1168	} else {
792	aio_unlink $filename;	1169	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
794	}	1171	}
795	}	1172	};
796	}	1173	}
797		1174
798	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
800		1177
…		…
812	or return;	1189	or return;
813		1190
814	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
816	or return;	1193	or return;
		1194
817	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
818	}	1197	}
819		1198
		1199	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
822	return ($data, $av);	1203	($data, $av)
823	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
824		1211
825	#############################################################################	1212	#############################################################################
826	# command handling &c	1213	# command handling &c
827		1214
828	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1229	}
843		1230
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1232
846	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
847		1238
848	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
849	called.	1240	called.
850		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
851	=cut	1253	=cut
852		1254
853	sub register_extcmd {	1255	sub register_extcmd {
854	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
855		1257
856	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
857	}	1265	}
858		1266
859	cf::player->attach (	1267	cf::player->attach (
860	on_command => sub {	1268	on_command => sub {
861	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1278	cf::override;
871	},	1279	},
872	on_extcmd => sub {	1280	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
874		1282
875	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1284
877	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
883	} else {	1300	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1302	}
886		1303
887	cf::override;	1304	cf::override;
888	},	1305	},
889	);	1306	);
890		1307
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
926	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1313	next unless -r $path;
928	eval {	1314
929	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
930	1	1371	}
931	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
932	}	1377	};
933	}	1378	}
934		1379
935	#############################################################################	1380	#############################################################################
936		1381
		1382	=back
		1383
937	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
938		1385
939	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
940		1387
941	=cut	1388	=cut
…		…
946		1393
947	=head3 cf::player	1394	=head3 cf::player
948		1395
949	=over 4	1396	=over 4
950		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
951	=item cf::player::find $login	1412	=item cf::player::find $login
952		1413
953	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
954		1415
955	=cut	1416	=cut
956		1417
957	sub playerdir($) {	1418	sub playerdir($) {
958	cf::localdir	1419	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1421	}
964		1422
965	sub path($) {	1423	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1425
968	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
969	}	1427	}
970		1428
971	sub find_active($) {	1429	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1444	my $login = $_[0];
987		1445
988	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
989		1447
990	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
992	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
994	}	1465	}
995	}	1466	}
996	}	1467	}
997		1468
…		…
1006	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1007		1478
1008	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1010		1481
		1482	cf::get_slot 0.01;
		1483
1011	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1012	Coro::cede;	1485	cf::cede_to_tick;
1013	}	1486	}
1014		1487
1015	sub new($) {	1488	sub new($) {
1016	my ($login) = @_;	1489	my ($login) = @_;
1017		1490
…		…
1023	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1024		1497
1025	$self	1498	$self
1026	}	1499	}
1027		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1028	=item $pl->quit_character	1511	=item $pl->quit_character
1029		1512
1030	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1032		1515
…		…
1040	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1042		1525
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1047		1532
1048	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1080		1565
1081	=cut	1566	=cut
1082		1567
1083	sub list_logins {	1568	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1570	or return [];
1086		1571
1087	my @logins;	1572	my @logins;
1088		1573
1089	for my $login (@$dirs) {	1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1093		1584
1094	utf8::decode $login;	1585	utf8::decode $login;
1095	push @logins, $login;	1586	push @logins, $login;
1096	}	1587	}
1097		1588
…		…
1124	}	1615	}
1125		1616
1126	\@paths	1617	\@paths
1127	}	1618	}
1128		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1130		1714
1131	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1132		1716
1133	=cut	1717	=cut
1134		1718
1135	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1137		1721
1138	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1723	}
1142		1724
1143	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1144		1765
1145	=back	1766	=back
1146
1147		1767
1148	=head3 cf::map	1768	=head3 cf::map
1149		1769
1150	=over 4	1770	=over 4
1151		1771
…		…
1163	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1165		1785
1166	sub generate_random_map {	1786	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1790
1168	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1792	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1795	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1829	my ($self, $merge) = @_;
1207		1830
1208	# we have to keep some variables in memory intact	1831	# we have to keep some variables in memory intact
1209	local $self->{path};	1832	local $self->{path};
1210	local $self->{load_path};	1833	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1834
1214	$self->SUPER::thawer_merge ($merge);	1835	$self->SUPER::thawer_merge ($merge);
1215	}	1836	}
1216		1837
1217	sub normalise {	1838	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1265	return $self;	1886	return $self;
1266	}	1887	}
1267	}	1888	}
1268		1889
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1891	()
1271	}	1892	}
1272		1893
1273	sub init {	1894	sub init {
1274	my ($self) = @_;	1895	my ($self) = @_;
…		…
1289		1910
1290	# the original (read-only) location	1911	# the original (read-only) location
1291	sub load_path {	1912	sub load_path {
1292	my ($self) = @_;	1913	my ($self) = @_;
1293		1914
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1295	}	1916	}
1296		1917
1297	# the temporary/swap location	1918	# the temporary/swap location
1298	sub save_path {	1919	sub save_path {
1299	my ($self) = @_;	1920	my ($self) = @_;
1300		1921
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1923	"$TMPDIR/$path.map"
1303	}	1924	}
1304		1925
1305	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1306	sub uniq_path {	1927	sub uniq_path {
1307	my ($self) = @_;	1928	my ($self) = @_;
1308		1929
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1931	"$UNIQUEDIR/$path"
1311	}	1932	}
1312		1933
1313	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1314	# all maps in C++...	1935	# all maps in C++...
1315	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1317		1938
1318	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1320	}	1941	}
1321		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1322	sub unlink_save {	1951	sub unlink_save {
1323	my ($self) = @_;	1952	my ($self) = @_;
1324		1953
1325	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1958
1330	sub load_header_from($) {	1959	sub load_header_from($) {
1331	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1332		1961
1333	utf8::encode $path;	1962	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1964	or return;
		1965
		1966	$self->_load_header ($f)
		1967	or return;
		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
1339		1971
1340	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1341		1973
1342	1	1974	1
1343	}	1975	}
…		…
1382	$self->load_header_orig	2014	$self->load_header_orig
1383	or return;	2015	or return;
1384	$self->prepare_orig;	2016	$self->prepare_orig;
1385	}	2017	}
1386		2018
		2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
		2021
		2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
		2024
1387	1	2025	1
1388	}	2026	}
1389		2027
1390	sub find;	2028	sub find;
1391	sub find {	2029	sub find {
1392	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1393		2031
1394	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1395		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1397		2036
1398	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1400	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1401	or return;	2042	or return;
1402		2043
1403	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1404		2045
1405	$map->load_header	2046	$map->load_header
1406	or return;	2047	or return;
1407		2048
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2050	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1411	$map->reset;	2054	$map->reset;
1412	undef $guard;
1413	return find $path;	2055	return find $path;
1414	}	2056	}
1415		2057
1416	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1417	}	2059	}
…		…
1424	my ($self) = @_;	2066	my ($self) = @_;
1425		2067
1426	local $self->{deny_reset} = 1; # loading can take a long time	2068	local $self->{deny_reset} = 1; # loading can take a long time
1427		2069
1428	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1430		2074
		2075	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2077
1433	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1434		2079
1435	$self->alloc;	2080	$self->alloc;
1436		2081
1437	$self->pre_load;	2082	$self->pre_load;
		2083	cf::cede_to_tick;
1438		2084
1439	$self->_load_objects ($self->{load_path}, 1)	2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1440	or return;	2088	or return;
1441		2089
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	2091	if delete $self->{load_original};
1444		2092
1445	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2094	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2097	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1450	}	2101	}
1451	}	2102	}
1452		2103
1453	Coro::cede;	2104	$f->resolve_delayed_derefs;
1454		2105
		2106	cf::cede_to_tick;
1455	# now do the right thing for maps	2107	# now do the right thing for maps
1456	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2110	unless $self->difficulty;
1466	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1467	$self->activate;	2120	$self->activate;
		2121	}
		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
		2126	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2127	}
1469		2128
1470	$self->post_load;	2129	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2130	}
1474		2131
1475	sub customise_for {	2132	sub customise_for {
1476	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1477		2134
1478	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2136	if $self->per_player;
1480		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1481	$self	2141	$self
1482	}	2142	}
1483		2143
1484	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2145	sub load_neighbours {
1486	my ($map) = @_;	2146	my ($map) = @_;
1487		2147
1488	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1489		2149
1490	for (0 .. 3) {	2150	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1492	or next;	2152	or next;
1493	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1494	or next;	2154	or next;
1495	$neigh->load;	2155	$neigh->load;
1496		2156
		2157	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2160	}
1500		2161
1501	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1503	or next;	2165	or next;
1504	$neigh->load;	2166	$neigh->load;
1505	}	2167	}
1506	}	2168	}
1507		2169
…		…
1512	}	2174	}
1513		2175
1514	sub do_load_sync {	2176	sub do_load_sync {
1515	my ($map) = @_;	2177	my ($map) = @_;
1516		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1517	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1518	}	2183	}
1519		2184
1520	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2186	our $MAP_PREFETCHER = undef;
1522		2187
1523	sub find_async {	2188	sub find_async {
1524	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1525		2190
1526	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1527		2192
1528	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2195	}
1531		2196
1532	undef $MAP_PREFETCH{$path};	2197	$MAP_PREFETCH{$path} |= $load;
		2198
1533	$MAP_PREFETCHER ||= cf::async {	2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
1534	while (%MAP_PREFETCH) {	2202	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2203	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2204	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2205	$map->load if $v;
		2206	}
1539		2207
1540	delete $MAP_PREFETCH{$path};	2208	delete $MAP_PREFETCH{$k};
1541	}	2209	}
1542	}	2210	}
1543	undef $MAP_PREFETCHER;	2211	undef $MAP_PREFETCHER;
1544	};	2212	};
1545	$MAP_PREFETCHER->prio (6);	2213	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2216	}
1549		2217
1550	sub save {	2218	sub save {
1551	my ($self) = @_;	2219	my ($self) = @_;
1552		2220
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2222
1555	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1556		2224
1557	return unless $self->dirty;	2225	return unless $self->dirty;
1558		2226
…		…
1564	return if $self->{deny_save};	2232	return if $self->{deny_save};
1565		2233
1566	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1567		2235
1568	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1570	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1571		2242
1572	if ($uniq) {	2243	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2246	} else {
…		…
1581	my ($self) = @_;	2252	my ($self) = @_;
1582		2253
1583	# save first because save cedes	2254	# save first because save cedes
1584	$self->save;	2255	$self->save;
1585		2256
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2258
1588	return if $self->players;	2259	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2261	return if $self->{deny_save};
1591		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2267	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2268	}
1595		2269
1596	sub reset_at {	2270	sub reset_at {
1597	my ($self) = @_;	2271	my ($self) = @_;
1598		2272
1599	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1602		2275
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2278
…		…
1616	my ($self) = @_;	2289	my ($self) = @_;
1617		2290
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2292
1620	return if $self->players;	2293	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2294
1623	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
1624		2296
1625	$self->in_memory (cf::MAP_SWAPPED);	2297	$self->in_memory (cf::MAP_SWAPPED);
1626		2298
1627	# need to save uniques path	2299	# need to save uniques path
1628	unless ($self->{deny_save}) {	2300	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2304	if $uniq;
1633	}	2305	}
1634		2306
1635	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1636		2308
		2309	$self->deactivate;
		2310	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2311	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2312
1641	$self->unlink_save;	2313	$self->unlink_save;
1642	$self->destroy;	2314	$self->destroy;
1643	}	2315	}
1644		2316
1645	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1646		2318
1647	sub nuke {	2319	sub nuke {
1648	my ($self) = @_;	2320	my ($self) = @_;
1649		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
1650	delete $cf::MAP{$self->path};	2325	delete $cf::MAP{$self->path};
1651		2326
1652	$self->unlink_save;	2327	$self->unlink_save;
1653		2328
1654	bless $self, "cf::map";	2329	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2330	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2334
1660	$cf::MAP{$self->path} = $self;	2335	$cf::MAP{$self->path} = $self;
		2336	}
1661		2337
1662	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
		2339	}
		2340
		2341	=item $maps = cf::map::tmp_maps
		2342
		2343	Returns an arrayref with all map paths of currently instantiated and saved
		2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
		2349	[
		2350	map {
		2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
		2357	}
		2358
		2359	=item $maps = cf::map::random_maps
		2360
		2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
		2363
		2364	=cut
		2365
		2366	sub random_maps() {
		2367	[
		2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
1663	}	2375	}
1664		2376
1665	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1666		2378
1667	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2380	instantiated unique items. May block.
1669		2381
1670	=cut	2382	=cut
1671		2383
1672	sub unique_maps() {	2384	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1674	or return;	2386	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2387	utf8::decode $_;
1680	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2390	? ()
1683	push @paths, cf::map::normalise $_;	2391	: normalise $_
		2392	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2393	]
1685
1686	\@paths
1687	}	2394	}
1688
1689	package cf;
1690		2395
1691	=back	2396	=back
1692		2397
1693	=head3 cf::object	2398	=head3 cf::object
1694		2399
…		…
1698		2403
1699	=over 4	2404	=over 4
1700		2405
1701	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1702		2407
1703	Returns the inventory of the object _and_ their inventories, recursively.	2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
1704		2410
1705	=cut	2411	=cut
1706		2412
1707	sub inv_recursive_;	2413	sub inv_recursive_;
1708	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1711		2417
1712	sub inv_recursive {	2418	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1714	}	2420	}
1715		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
		2447	}
		2448	}
		2449
1716	package cf;	2450	package cf;
1717		2451
1718	=back	2452	=back
1719		2453
1720	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1729		2463
1730	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1731		2479
1732	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2481	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1737		2485
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2487
1740	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1742	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1745	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1746	}	2513	}
1747		2514
1748	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1749		2516
1750	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1798		2565
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2567
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1803		2570
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2572	}
1806		2573
1807	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1809		2578
1810	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1811		2580
1812	unless ($map) {	2581	unless ($map) {
1813	# restore original map position	2582	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1830		2599
1831	$map->load;	2600	$map->load;
1832	$map->load_diag;	2601	$map->load_neighbours;
1833		2602
1834	return unless $self->contr->active;	2603	return unless $self->contr->active;
1835	$self->activate_recursive;	2604	$self->activate_recursive;
1836		2605
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1839	}	2608	}
1840		2609
1841	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2611
1845	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1849	};	2616	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2617
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1876		2621
1877	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2627
1880	$self->enter_link;	2628	$self->enter_link;
1881		2629
1882	(async {	2630	(async {
		2631	$Coro::current->{desc} = "player::goto $path $x $y";
		2632
		2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
1883	my $map = eval {	2652	my $map = eval {
1884	my $map = cf::map::find $path;	2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
		2657	$map = $check->($map) if $check && $map;
		2658	} else {
		2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
		2661
1886	$map	2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2668	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1891	})->prio (1);	2676	})->prio (1);
1892	}	2677	}
1893		2678
1894	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1895		2680
…		…
1915	}	2700	}
1916		2701
1917	sub prepare_random_map {	2702	sub prepare_random_map {
1918	my ($exit) = @_;	2703	my ($exit) = @_;
1919		2704
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2705	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2706	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2707	# that depends on the exit object
1925		2708
1926	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2711	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2712	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1933	}	2718	}
1934		2719
1935	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1936		2721
1937	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2724	my $meta = "$RANDOMDIR/$md5.meta";
1940		2725
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2728	undef $fh;
1944	aio_rename "$meta~", $meta;	2729	aio_rename "$meta~", $meta;
1945		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1948	}	2737	}
1949	}	2738	}
1950		2739
1951	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
1953		2742
1954	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1955		2744
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2745	$self->enter_link;
1966		2746
1967	(async {	2747	(async {
1968	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1969	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
		2757	prepare_random_map $exit
		2758	if $exit->slaying eq "/!";
		2759	}
		2760
		2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
		2764
1970	$self->goto ($slaying, $hp, $sp);	2765	$self->goto ($map, $x, $y);
1971		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1972	1;	2771	1
1973	}) {	2772	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2777
1979	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2779	$self->leave_link;
1981	}	2780	}
1982	})->prio (1);	2781	})->prio (1);
…		…
1998		2797
1999	utf8::encode $text;	2798	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2800	}
2002		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
2003		2966
2004	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
2005		2968
2006	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2970	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2972
2010	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2974	become reliable at some point in the future.
2012		2975
2013	=cut	2976	=cut
2014		2977
2015	sub cf::client::query {	2978	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2987	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2989
2027	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
2029	}	2994	}
2030		2995
2031	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
2032	on_reply => sub {	3002	on_reply => sub {
2033	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
2034		3004
2035	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
2036	# get handled first	3006	# get handled first
…		…
2048	} else {	3018	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3020	}
2051	}	3021	}
2052	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
2053	);	3049	);
2054		3050
2055	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
2056		3052
2057	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
2100		3096
2101	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
2102		3098
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
2104		3104
2105	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
2106		3106
2107	=pod	3107	=pod
2108		3108
2109	The following functions and methods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
2110		3110
2111	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
2112	cf::object::player player	3115	cf::object::player
2113	cf::player peaceful	3116	player
2114	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2115		3123
2116	=cut	3124	=cut
2117		3125
2118	for (	3126	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2120	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2123	) {	3133	) {
2124	no strict 'refs';	3134	no strict 'refs';
…		…
2195	=back	3205	=back
2196		3206
2197	=cut	3207	=cut
2198		3208
2199	#############################################################################	3209	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3210	# the server's init and main functions
2273		3211
2274	sub load_facedata {	3212	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3213	my ($path) = @_;
		3214
		3215	# HACK to clear player env face cache, we need some signal framework
		3216	# for this (global event?)
		3217	%ext::player_env::MUSIC_FACE_CACHE = ();
		3218
		3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2276		3220
2277	warn "loading facedata from $path\n";	3221	warn "loading facedata from $path\n";
2278		3222
2279	my $faces;	3223	my $facedata;
2280	0 < aio_load $path, $faces	3224	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3225	or die "$path: $!";
2282		3226
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3227	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3228
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3229	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3231
		3232	# patch in the exptable
		3233	$facedata->{resource}{"res/exp_table"} = {
		3234	type => FT_RSRC,
		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3236	};
		3237	cf::cede_to_tick;
		3238
		3239	{
		3240	my $faces = $facedata->{faceinfo};
		3241
2291	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3244
		3245	cf::face::set_visibility $idx, $info->{visibility};
		3246	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	Coro::cede;
2297	}
2298		3249
		3250	cf::cede_to_tick;
		3251	}
		3252
2299	while (my ($face, $info) = each %$faces) {	3253	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3254	next unless $info->{smooth};
		3255
2301	my $idx = cf::face::find $face	3256	my $idx = cf::face::find $face
2302	or next;	3257	or next;
		3258
2303	if (my $smooth = cf::face::find $info->{smooth}) {	3259	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	3262	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	3264	}
2308	Coro::cede;	3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
2309	}	3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2310		3315
2311	1	3316	1
2312	}	3317	}
2313		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
		3363	or die "unable to load regions file\n";
		3364
		3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
2314	sub reload_resources {	3386	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3387	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3388
2317	load_facedata	3389	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
2319	}	3395	}
2320		3396
2321	sub init {	3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
2322	reload_resources;	3400	reload_resources;
2323	}	3401	}
2324		3402
2325	sub cfg_load {	3403	sub reload_config {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3405	or return;
2328		3406
2329	local $/;	3407	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2331		3409
2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2333		3411
2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2346	sub main {	3424	sub main {
2347	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2350	(async {	3428	(async {
2351	Event::one_event;	3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
2352	})->prio (Coro::PRIO_MAX);	3431	})->prio (Coro::PRIO_MAX);
2353	};	3432	};
2354		3433
2355	cfg_load;	3434	{
		3435	my $guard = freeze_mainloop;
		3436	reload_config;
2356	db_init;	3437	db_init;
2357	load_extensions;	3438	load_extensions;
2358		3439
2359	$TICK_WATCHER->start;	3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2360	Event::loop;	3444	EV::loop;
2361	}	3445	}
2362		3446
2363	#############################################################################	3447	#############################################################################
2364	# initialisation and cleanup	3448	# initialisation and cleanup
2365		3449
2366	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2367	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2368	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2369	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2370	reentrant => 0,
2371	data => WF_AUTOCANCEL,
2372	signal => $signal,
2373	prio => 0,
2374	cb => sub {
2375	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2376	},
2377	);	3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2378	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2379	}	3539	}
2380		3540
2381	sub emergency_save() {	3541	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2383		3543
…		…
2389	# and maps saved/destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2391	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3555	$pl->save;
2395	}	3556	}
2396	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2397		3558
2398	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2404	warn "end emergency map save\n";	3565	warn "end emergency map save\n";
2405		3566
2406	warn "begin emergency database checkpoint\n";	3567	warn "begin emergency database checkpoint\n";
2407	BDB::db_env_txn_checkpoint $DB_ENV;	3568	BDB::db_env_txn_checkpoint $DB_ENV;
2408	warn "end emergency database checkpoint\n";	3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2409	};	3574	};
2410		3575
2411	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2412	}	3577	}
2413		3578
…		…
2416		3581
2417	warn Carp::longmess "post_cleanup backtrace"	3582	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3583	if $make_core;
2419	}	3584	}
2420		3585
2421	sub reload() {	3586	sub do_reload_perl() {
2422	# can/must only be called in main	3587	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	3589	warn "can only reload from main coroutine";
2425	return;	3590	return;
2426	}	3591	}
…		…
2428	warn "reloading...";	3593	warn "reloading...";
2429		3594
2430	warn "entering sync_job";	3595	warn "entering sync_job";
2431		3596
2432	cf::sync_job {	3597	cf::sync_job {
2433	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2434	cf::emergency_save;	3599	cf::emergency_save;
2435	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2436		3601
2437	warn "syncing database to disk";	3602	warn "syncing database to disk";
2438	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2439		3604
2440	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2441
2442	warn "cancelling all WF_AUTOCANCEL watchers";
2443	for (Event::all_watchers) {
2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2445	}
2446		3606
2447	warn "flushing outstanding aio requests";	3607	warn "flushing outstanding aio requests";
2448	for (;;) {	3608	for (;;) {
2449	BDB::flush;	3609	BDB::flush;
2450	IO::AIO::flush;	3610	IO::AIO::flush;
2451	Coro::cede;	3611	Coro::cede_notself;
2452	last unless IO::AIO::nreqs || BDB::nreqs;	3612	last unless IO::AIO::nreqs || BDB::nreqs;
2453	warn "iterate...";	3613	warn "iterate...";
2454	}	3614	}
2455		3615
2456	++$RELOAD;	3616	++$RELOAD;
…		…
2460	%EXT_CORO = ();	3620	%EXT_CORO = ();
2461		3621
2462	warn "removing commands";	3622	warn "removing commands";
2463	%COMMAND = ();	3623	%COMMAND = ();
2464		3624
2465	warn "removing ext commands";	3625	warn "removing ext/exti commands";
2466	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2467		3628
2468	warn "unloading/nuking all extensions";	3629	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2471		3632
…		…
2501	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3664
2504	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2506		3668
2507	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3670	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2510		3672
…		…
2513	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2514	require cf;	3676	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2516		3678
2517	warn "loading config and database again";	3679	warn "loading config and database again";
2518	cf::cfg_load;	3680	cf::reload_config;
2519		3681
2520	warn "loading extensions";	3682	warn "loading extensions";
2521	cf::load_extensions;	3683	cf::load_extensions;
2522		3684
2523	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
…		…
2525	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2529		3691
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	3692	warn "leaving sync_job";
2534		3693
2535	1	3694	1
2536	} or do {	3695	} or do {
2537	warn $@;	3696	warn $@;
2538	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2539	exit 1;
2540	};	3698	};
2541		3699
2542	warn "reloaded";	3700	warn "reloaded";
2543	};	3701	};
2544		3702
2545	our $RELOAD_WATCHER; # used only during reload	3703	our $RELOAD_WATCHER; # used only during reload
2546		3704
		3705	sub reload_perl() {
		3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
		3708
		3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3710	do_reload_perl;
		3711	undef $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2547	register_command "reload" => sub {	3715	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2549		3717
2550	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3719	$who->message ("reloading server.");
2552		3720	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	3721	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	3722	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	3723	};
2565	}	3724	}
2566	};	3725	};
2567		3726
2568	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2569		3728
2570	my $bug_warning = 0;	3729	my $bug_warning = 0;
2571		3730
2572	$TICK_WATCHER = Event->timer (	3731	our @WAIT_FOR_TICK;
2573	reentrant => 0,	3732	our @WAIT_FOR_TICK_BEGIN;
2574	parked => 1,	3733
2575	prio => 0,	3734	sub wait_for_tick {
2576	at => $NEXT_TICK || $TICK,	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2577	data => WF_AUTOCANCEL,	3736
2578	cb => sub {	3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
2579	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3753	unless ++$bug_warning > 10;
2582	return;	3754	return;
2583	}	3755	}
2584		3756
2585	$NOW = Event::time;
2586
2587	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2588	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;
2590		3758
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2593	Coro::async_pool {	3761	Coro::async_pool {
		3762	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	3763	write_runtime_sync
2595	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
2596	};
2597	}	3765	};
2598
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#
2604
2605	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2607
2608	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;
2610	},	3766	}
2611	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
2612		3786
2613	{	3787	{
2614	BDB::max_poll_time $TICK * 0.1;	3788	# configure BDB
2615	$BDB_POLL_WATCHER = Event->io (	3789
2616	reentrant => 0,
2617	fd => BDB::poll_fileno,
2618	poll => 'r',
2619	prio => 0,
2620	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,
2622	);
2623	BDB::min_parallel 8;	3790	BDB::min_parallel 8;
2624		3791	BDB::max_poll_reqs $TICK * 0.1;
2625	BDB::set_sync_prepare {	3792	$Coro::BDB::WATCHER->priority (1);
2626	my $status;
2627	my $current = $Coro::current;
2628	(
2629	sub {
2630	$status = $!;
2631	$current->ready; undef $current;
2632	},
2633	sub {
2634	Coro::schedule while defined $current;
2635	$! = $status;
2636	},
2637	)
2638	};
2639		3793
2640	unless ($DB_ENV) {	3794	unless ($DB_ENV) {
2641	$DB_ENV = BDB::db_env_create;	3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2642		3800
2643	cf::sync_job {	3801	cf::sync_job {
2644	eval {	3802	eval {
2645	BDB::db_env_open	3803	BDB::db_env_open
2646	$DB_ENV,	3804	$DB_ENV,
2647	$BDB_ENV_DIR,	3805	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3808	0666;
2651		3809
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	3811	};
2657		3812
2658	cf::cleanup "db_env_open(db): $@" if $@;	3813	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	3814	};
2660	}	3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
2661	}	3826	}
2662		3827
2663	{	3828	{
		3829	# configure IO::AIO
		3830
2664	IO::AIO::min_parallel 8;	3831	IO::AIO::min_parallel 8;
2665
2666	undef $Coro::AIO::WATCHER;
2667	IO::AIO::max_poll_time $TICK * 0.1;	3832	IO::AIO::max_poll_time $TICK * 0.1;
2668	$AIO_POLL_WATCHER = Event->io (	3833	$Coro::AIO::WATCHER->priority (1);
2669	reentrant => 0,
2670	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,
2672	poll => 'r',
2673	prio => 6,
2674	cb => \&IO::AIO::poll_cb,
2675	);
2676	}	3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2677		3878
2678	END { cf::emergency_save }	3879	END { cf::emergency_save }
2679		3880
2680	1	3881	1
2681		3882

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