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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
27		58
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		66
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		68
37	our %COMMAND = ();	69	our %COMMAND = ();
38	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
39		71
40	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
44		77
		78	our $RELOAD; # number of reloads so far
45	our @EVENT;	79	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		80
48	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
49	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(!)
50	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	97	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		99
56	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	104	our $DB_ENV;
58		105
59	our %CFG;	106	our %CFG;
60		107
61	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
63		111
64	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		115
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $TICK_START; # for load detecting purposes
		123
76	binmode STDOUT;	124	binmode STDOUT;
77	binmode STDERR;	125	binmode STDERR;
78		126
79	# read virtual server time, if available	127	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
84	}	132	}
85		133
86	mkdir cf::localdir;	134	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		136
93	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
94		138
95	sub cf::map::normalise;	139	sub cf::map::normalise;
96		140
…		…
107	=item $cf::RUNTIME	151	=item $cf::RUNTIME
108		152
109	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
110	every server tick.	154	every server tick.
111		155
112	=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
113		159
114	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		164
117	=item $cf::NOW	165	=item $cf::NOW
118		166
119	The time of the last (current) server tick.	167	The time of the last (current) server tick.
120		168
121	=item $cf::TICK	169	=item $cf::TICK
122		170
123	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	183	=item %cf::CFG
126		184
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	186	from wherever your confdir points to.
129		187
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		189
132	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
133	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
134	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.
135	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.
136		199
137	=back	200	=back
138		201
139	=cut	202	=cut
140		203
141	BEGIN {	204	BEGIN {
142	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	206	my $msg = join "", @_;
144	utf8::encode $msg;
145		207
146	$msg .= "\n"	208	$msg .= "\n"
147	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
148		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
149	LOG llevError, $msg;	213	LOG llevError, $msg;
150	};	214	};
151	}	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#?
152		231
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		239
160	# 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
161	# within the Safe compartment.	241	# within the Safe compartment.
162	for my $pkg (qw(	242	for my $pkg (qw(
163	cf::global cf::attachable	243	cf::global cf::attachable
…		…
168	)) {	248	)) {
169	no strict 'refs';	249	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	251	}
172		252
173	$Event::DIED = sub {	253	$EV::DIED = sub {
174	warn "error in event callback: @_";	254	warn "error in event callback: @_";
175	};	255	};
		256
		257	#############################################################################
176		258
177	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
178		260
179	=over 4	261	=over 4
180		262
…		…
199	$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;
200	$d	282	$d
201	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
202	}	284	}
203		285
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
207		287
208	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
209		289
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
218		291
219	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
220		293
221	=cut	294	=cut
222		295
223	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
225	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
227		300
228	=item cf::lock_wait $string	301	=item cf::lock_wait $string
229		302
230	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
231		304
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
237	returned.	310	returned.
238		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
239	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
240	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
241		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
242	=cut	322	=cut
243		323
244	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
245		326
246	sub lock_wait($) {	327	sub lock_wait($) {
247	my ($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#
248		334
249	# wait for lock, if any	335	# wait for lock, if any
250	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	338	Coro::schedule;
…		…
258		344
259	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
260	lock_wait $key;	346	lock_wait $key;
261		347
262	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
263		350
264	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
267	}	355	}
268	}	356	}
269		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
270	sub freeze_mainloop {	364	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
272		366
273	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	368	}
275	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
276	};	428	}
277	$WRITE_RUNTIME_WATCHER->stop;	429	};
278	$TICK_WATCHER->stop;	430
279	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
280	}	443	}
281		444
282	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
283		446
284	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		452
290	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
291		454
292	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
293		456
294	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
297		461
298	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
301	fast or be very important.	465	fast or be very important.
…		…
304		468
305	sub sync_job(&) {	469	sub sync_job(&) {
306	my ($job) = @_;	470	my ($job) = @_;
307		471
308	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
309	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
311		477
312	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	479
314	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
315		481
316	my $busy = 1;	482	my $busy = 1;
317	my @res;	483	my @res;
318		484
319	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	487	@res = eval { $job->() };
321	warn $@ if $@;	488	warn $@ if $@;
322	undef $busy;	489	undef $busy;
323	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
324		491
325	while ($busy) {	492	while ($busy) {
326	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
327	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
328		503
329	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
330	} else {	505	} else {
331	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
332		507
…		…
352	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
353		528
354	$coro	529	$coro
355	}	530	}
356		531
357	sub write_runtime {	532	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		533
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
361	or return;	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.
362		538
363	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		540
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
368	and return;	542	my ($cb, @args) = @_;
369		543
370	# always fsync - this file is important	544	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	545	# otherwise perl prematurely frees the stuff :/
372	and return;	546	# TODO: investigate and fix (likely this will be rather laborious)
373		547
374	close $fh	548	my @res = Coro::Util::fork_eval {
375	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
376		552
377	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
378	and return;	554	}
379		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
380	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	719	}
382		720
383	=back	721	=back
384		722
385	=cut	723	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
394		732
395	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>
396	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
397	crossfire+).	735	Deliantra).
398		736
399	=over 4	737	=over 4
400		738
401	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
402		740
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
566		904
567	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		909
572	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	911	my $pkg = shift @arg;
574		912
575	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
605	}	943	}
606		944
607	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
608	} else {	946	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	948	}
611		949
612	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
613	}	951	}
614		952
…		…
616	if (ref $_[0]) {	954	if (ref $_[0]) {
617	_object_attach @_;	955	_object_attach @_;
618	} else {	956	} else {
619	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
620	}	958	}
		959	_recalc_want;
621	};	960	};
622		961
623	# all those should be optimised	962	# all those should be optimised
624	sub cf::attachable::detach {	963	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
629	reattach ($obj);	968	reattach ($obj);
630	} else {	969	} else {
631	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
632	}	971	}
		972	_recalc_want;
633	};	973	};
634		974
635	sub cf::attachable::attached {	975	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
637		977
…		…
652	";	992	";
653	die if $@;	993	die if $@;
654	}	994	}
655		995
656	our $override;	996	our $override;
657	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?
658		998
659	sub override {	999	sub override {
660	$override = 1;	1000	$override = 1;
661	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
662	}	1002	}
663		1003
664	sub do_invoke {	1004	sub do_invoke {
665	my $event = shift;	1005	my $event = shift;
666	my $callbacks = shift;	1006	my $callbacks = shift;
667		1007
668	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
669		1009
670	local $override;	1010	local $override;
671		1011
672	for (@$callbacks) {	1012	for (@$callbacks) {
673	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
682	}	1022	}
683		1023
684	0	1024	0
685	}	1025	}
686		1026
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1028
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1030
691	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
692		1032
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1036
697	=back	1037	=back
698		1038
699	=cut	1039	=cut
700		1040
701	#############################################################################	1041	#############################################################################
702	# 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, $ob2
		1084	}
703		1085
704	sub reattach {	1086	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1088	my ($obj) = @_;
707		1089
…		…
728	cf::attachable->attach (	1110	cf::attachable->attach (
729	prio => -1000000,	1111	prio => -1000000,
730	on_instantiate => sub {	1112	on_instantiate => sub {
731	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
732		1114
733	$data = from_json $data;	1115	$data = decode_json $data;
734		1116
735	for (@$data) {	1117	for (@$data) {
736	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
737		1119
738	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1136	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
756		1138
757	sync_job {	1139	sync_job {
758	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
761		1144
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1149	aio_close $fh;
767		1150
768	if (@$objs) {	1151	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1157	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
776	}	1159	}
777	} else {	1160	} else {
778	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
779	}	1162	}
…		…
784	}	1167	}
785	} else {	1168	} else {
786	aio_unlink $filename;	1169	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
788	}	1171	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
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, $objs) = @_;
800		1177
…		…
805		1182
806	sub object_thawer_load {	1183	sub object_thawer_load {
807	my ($filename) = @_;	1184	my ($filename) = @_;
808		1185
809	my ($data, $av);	1186	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1187
814	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
815	or return;	1189	or return;
816		1190
817	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
819	or return;	1193	or return;
		1194
820	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
821	}	1197	}
822		1198
		1199	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
825	return ($data, $av);	1203	($data, $av)
826	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
827		1211
828	#############################################################################	1212	#############################################################################
829	# command handling &c	1213	# command handling &c
830		1214
831	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1229	}
846		1230
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1232
849	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.
850		1238
851	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
852	called.	1240	called.
853		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
854	=cut	1253	=cut
855		1254
856	sub register_extcmd {	1255	sub register_extcmd {
857	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
858		1257
859	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
860	}	1265	}
861		1266
862	cf::player->attach (	1267	cf::player->attach (
863	on_command => sub {	1268	on_command => sub {
864	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1278	cf::override;
874	},	1279	},
875	on_extcmd => sub {	1280	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
877		1282
878	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1284
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
886	} else {	1300	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1302	}
889		1303
890	cf::override;	1304	cf::override;
891	},	1305	},
892	);	1306	);
893		1307
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
929	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1313	next unless -r $path;
931	eval {	1314
932	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	$progress = 1;
933	1	1371	}
934	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
935	}	1377	};
936	}	1378	}
937		1379
938	#############################################################################	1380	#############################################################################
939		1381
		1382	=back
		1383
940	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
941		1385
942	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
943		1387
944	=cut	1388	=cut
…		…
949		1393
950	=head3 cf::player	1394	=head3 cf::player
951		1395
952	=over 4	1396	=over 4
953		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
954	=item cf::player::find $login	1412	=item cf::player::find $login
955		1413
956	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
957		1415
958	=cut	1416	=cut
959		1417
960	sub playerdir($) {	1418	sub playerdir($) {
961	cf::localdir	1419	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1421	}
967		1422
968	sub path($) {	1423	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1425
971	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
972	}	1427	}
973		1428
974	sub find_active($) {	1429	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1444	my $login = $_[0];
990		1445
991	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
992		1447
993	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
997	}	1465	}
998	}	1466	}
999	}	1467	}
1000		1468
…		…
1009	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1010		1478
1011	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1013		1481
		1482	cf::get_slot 0.01;
		1483
1014	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1015	Coro::cede;	1485	cf::cede_to_tick;
1016	}	1486	}
1017		1487
1018	sub new($) {	1488	sub new($) {
1019	my ($login) = @_;	1489	my ($login) = @_;
1020		1490
…		…
1026	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1027		1497
1028	$self	1498	$self
1029	}	1499	}
1030		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
1031	=item $pl->quit_character	1511	=item $pl->quit_character
1032		1512
1033	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1035		1515
1036	=cut	1516	=cut
1037		1517
1038	sub quit_character {	1518	sub quit_character {
1039	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1040		1522
1041	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1042	$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
1043		1525
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1535	$pl->destroy;
		1536
		1537	my $prefix = qr<^~\Q$name\E/>;
		1538
		1539	# nuke player maps
		1540	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1541
1054	IO::AIO::aio_rmtree $temp;	1542	IO::AIO::aio_rmtree $temp;
		1543	}
		1544
		1545	=item $pl->kick
		1546
		1547	Kicks a player out of the game. This destroys the connection.
		1548
		1549	=cut
		1550
		1551	sub kick {
		1552	my ($pl, $kicker) = @_;
		1553
		1554	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1555	$pl->killer ("kicked");
		1556	$pl->ns->destroy;
1055	}	1557	}
1056		1558
1057	=item cf::player::list_logins	1559	=item cf::player::list_logins
1058		1560
1059	Returns am arrayref of all valid playernames in the system, can take a	1561	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1061		1563
1062	=cut	1564	=cut
1063		1565
1064	sub list_logins {	1566	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1568	or return [];
1067		1569
1068	my @logins;	1570	my @logins;
1069		1571
1070	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1074		1582
1075	utf8::decode $login;	1583	utf8::decode $login;
1076	push @logins, $login;	1584	push @logins, $login;
1077	}	1585	}
1078		1586
…		…
1105	}	1613	}
1106		1614
1107	\@paths	1615	\@paths
1108	}	1616	}
1109		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1111		1712
1112	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1113		1714
1114	=cut	1715	=cut
1115		1716
1116	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1118		1719
1119	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1721	}
1123		1722
1124	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1125		1763
1126	=back	1764	=back
1127
1128		1765
1129	=head3 cf::map	1766	=head3 cf::map
1130		1767
1131	=over 4	1768	=over 4
1132		1769
…		…
1144	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1146		1783
1147	sub generate_random_map {	1784	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1149	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1790	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1188		1828
1189	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1190	local $self->{path};	1830	local $self->{path};
1191	local $self->{load_path};	1831	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1832
1195	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1196	}	1834	}
1197		1835
1198	sub normalise {	1836	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1246	return $self;	1884	return $self;
1247	}	1885	}
1248	}	1886	}
1249		1887
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1889	()
1252	}	1890	}
1253		1891
1254	sub init {	1892	sub init {
1255	my ($self) = @_;	1893	my ($self) = @_;
…		…
1270		1908
1271	# the original (read-only) location	1909	# the original (read-only) location
1272	sub load_path {	1910	sub load_path {
1273	my ($self) = @_;	1911	my ($self) = @_;
1274		1912
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1276	}	1914	}
1277		1915
1278	# the temporary/swap location	1916	# the temporary/swap location
1279	sub save_path {	1917	sub save_path {
1280	my ($self) = @_;	1918	my ($self) = @_;
1281		1919
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1284	}	1922	}
1285		1923
1286	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1287	sub uniq_path {	1925	sub uniq_path {
1288	my ($self) = @_;	1926	my ($self) = @_;
1289		1927
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1292	}	1930	}
1293		1931
1294	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1295	# all maps in C++...	1933	# all maps in C++...
1296	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1298		1936
1299	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1301	}	1939	}
1302		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1303	sub unlink_save {	1949	sub unlink_save {
1304	my ($self) = @_;	1950	my ($self) = @_;
1305		1951
1306	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1954	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1955	}
1315		1956
1316	sub load_header_from($) {	1957	sub load_header_from($) {
1317	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1318		1959
1319	utf8::encode $path;	1960	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1325		1969
1326	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1327		1971
1328	1	1972	1
1329	}	1973	}
…		…
1368	$self->load_header_orig	2012	$self->load_header_orig
1369	or return;	2013	or return;
1370	$self->prepare_orig;	2014	$self->prepare_orig;
1371	}	2015	}
1372		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1373	1	2023	1
1374	}	2024	}
1375		2025
1376	sub find;	2026	sub find;
1377	sub find {	2027	sub find {
1378	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1379		2029
1380	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1381		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1383		2034
1384	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1386	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1387	or return;	2040	or return;
1388		2041
1389	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1390		2043
1391	$map->load_header	2044	$map->load_header
1392	or return;	2045	or return;
1393		2046
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1397	$map->reset;	2052	$map->reset;
1398	undef $guard;
1399	return find $path;	2053	return find $path;
1400	}	2054	}
1401		2055
1402	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1403	}	2057	}
…		…
1410	my ($self) = @_;	2064	my ($self) = @_;
1411		2065
1412	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1413		2067
1414	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1416		2072
		2073	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2075
1419	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1420		2077
1421	$self->alloc;	2078	$self->alloc;
1422		2079
1423	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1424		2082
1425	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1426	or return;	2086	or return;
1427		2087
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	2089	if delete $self->{load_original};
1430		2090
1431	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2092	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2095	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1436	}	2099	}
1437	}	2100	}
1438		2101
1439	Coro::cede;	2102	$f->resolve_delayed_derefs;
1440		2103
		2104	cf::cede_to_tick;
1441	# now do the right thing for maps	2105	# now do the right thing for maps
1442	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2108	unless $self->difficulty;
1452	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1453	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2125	}
1455		2126
1456	$self->post_load;	2127	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2128	}
1460		2129
1461	sub customise_for {	2130	sub customise_for {
1462	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1463		2132
1464	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2134	if $self->per_player;
1466		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1467	$self	2139	$self
1468	}	2140	}
1469		2141
1470	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2143	sub load_neighbours {
1472	my ($map) = @_;	2144	my ($map) = @_;
1473		2145
1474	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1475		2147
1476	for (0 .. 3) {	2148	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1478	or next;	2150	or next;
1479	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1480	or next;	2152	or next;
1481	$neigh->load;	2153	$neigh->load;
1482		2154
		2155	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2158	}
1486		2159
1487	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1489	or next;	2163	or next;
1490	$neigh->load;	2164	$neigh->load;
1491	}	2165	}
1492	}	2166	}
1493		2167
…		…
1498	}	2172	}
1499		2173
1500	sub do_load_sync {	2174	sub do_load_sync {
1501	my ($map) = @_;	2175	my ($map) = @_;
1502		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1503	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1504	}	2181	}
1505		2182
1506	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1508		2185
1509	sub find_async {	2186	sub find_async {
1510	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1511		2188
1512	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1513		2190
1514	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2193	}
1517		2194
1518	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1519	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1520	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2202	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2203	$map->load if $v;
		2204	}
1525		2205
1526	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1527	}	2207	}
1528	}	2208	}
1529	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1530	};	2210	};
1531	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2214	}
1535		2215
1536	sub save {	2216	sub save {
1537	my ($self) = @_;	2217	my ($self) = @_;
1538		2218
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2220
1541	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1542		2222
1543	return unless $self->dirty;	2223	return unless $self->dirty;
1544		2224
…		…
1550	return if $self->{deny_save};	2230	return if $self->{deny_save};
1551		2231
1552	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1553		2233
1554	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1556	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1557		2240
1558	if ($uniq) {	2241	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2244	} else {
…		…
1567	my ($self) = @_;	2250	my ($self) = @_;
1568		2251
1569	# save first because save cedes	2252	# save first because save cedes
1570	$self->save;	2253	$self->save;
1571		2254
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2256
1574	return if $self->players;	2257	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2259	return if $self->{deny_save};
1577		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2265	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2266	}
1581		2267
1582	sub reset_at {	2268	sub reset_at {
1583	my ($self) = @_;	2269	my ($self) = @_;
1584		2270
1585	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1588		2273
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2276
…		…
1602	my ($self) = @_;	2287	my ($self) = @_;
1603		2288
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2290
1606	return if $self->players;	2291	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2292
1609	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
		2294
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# need to save uniques path
		2298	unless ($self->{deny_save}) {
		2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2300
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2302	if $uniq;
		2303	}
1610		2304
1611	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1612		2306
1613	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2309	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2310
1618	$self->unlink_save;	2311	$self->unlink_save;
1619	$self->destroy;	2312	$self->destroy;
1620	}	2313	}
1621		2314
1622	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1623		2316
1624	sub nuke {	2317	sub nuke {
1625	my ($self) = @_;	2318	my ($self) = @_;
1626		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1627	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1628		2324
1629	$self->unlink_save;	2325	$self->unlink_save;
1630		2326
1631	bless $self, "cf::map";	2327	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2332
1637	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1638		2335
1639	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1640	}	2373	}
1641		2374
1642	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1643		2376
1644	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2378	instantiated unique items. May block.
1646		2379
1647	=cut	2380	=cut
1648		2381
1649	sub unique_maps() {	2382	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1651	or return;	2384	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2385	utf8::decode $_;
1657	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2388	? ()
1660	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2391	]
1662
1663	\@paths
1664	}	2392	}
1665
1666	package cf;
1667		2393
1668	=back	2394	=back
1669		2395
1670	=head3 cf::object	2396	=head3 cf::object
1671		2397
…		…
1675		2401
1676	=over 4	2402	=over 4
1677		2403
1678	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1679		2405
1680	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1681		2408
1682	=cut	2409	=cut
1683		2410
1684	sub inv_recursive_;	2411	sub inv_recursive_;
1685	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1688		2415
1689	sub inv_recursive {	2416	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1691	}	2418	}
1692		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1693	package cf;	2448	package cf;
1694		2449
1695	=back	2450	=back
1696		2451
1697	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1706		2461
1707	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1708		2477
1709	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2479	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1714		2483
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2485
1717	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1719	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1722	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1723	}	2511	}
1724		2512
1725	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1726		2514
1727	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1775		2563
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2565
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1780		2568
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2570	}
1783		2571
1784	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1786		2576
1787	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1788		2578
1789	unless ($map) {	2579	unless ($map) {
1790	# restore original map position	2580	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1807		2597
1808	$map->load;	2598	$map->load;
1809	$map->load_diag;	2599	$map->load_neighbours;
1810		2600
1811	return unless $self->contr->active;	2601	return unless $self->contr->active;
1812	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1814	}	2606	}
1815		2607
1816	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2609
1820	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1824	};	2614	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2615
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1851		2619
1852	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2625
1855	$self->enter_link;	2626	$self->enter_link;
1856		2627
1857	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1858	my $map = eval {	2650	my $map = eval {
1859	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1861	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2666	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1866	})->prio (1);	2674	})->prio (1);
1867	}	2675	}
1868		2676
1869	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1870		2678
…		…
1907	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1908	}	2716	}
1909		2717
1910	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1911		2719
1912	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1915		2723
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2726	undef $fh;
1919	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
…		…
1928		2736
1929	return unless $self->type == cf::PLAYER;	2737	return unless $self->type == cf::PLAYER;
1930		2738
1931	if ($exit->slaying eq "/!") {	2739	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2741	# the problem is that $exit might not survive long enough
		2742	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2743	cf::sync_job { prepare_random_map $exit };
1934	}	2744	}
1935		2745
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
1939		2749
1940	$self->enter_link;	2750	$self->enter_link;
1941		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
1942	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
1943	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2760	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
1946		2762
1947	1;	2763	1;
1948	}) {	2764	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2765	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2766	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2767	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2768	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2769
1954	warn "ERROR in enter_exit: $@";	2770	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2771	$self->leave_link;
1956	}	2772	}
1957	})->prio (1);	2773	})->prio (1);
…		…
1970		2786
1971	sub cf::client::send_drawinfo {	2787	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2788	my ($self, $text, $flags) = @_;
1973		2789
1974	utf8::encode $text;	2790	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2792	}
1977		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
		2924	=item $client->ext_msg ($type, @msg)
		2925
		2926	Sends an ext event to the client.
		2927
		2928	=cut
		2929
		2930	sub cf::client::ext_msg($$@) {
		2931	my ($self, $type, @msg) = @_;
		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
		2936	push @msg, msgtype => "event_$type";
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
		2957	}
1978		2958
1979	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
1980		2960
1981	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2964
1985	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2966	become reliable at some point in the future.
1987		2967
1988	=cut	2968	=cut
1989		2969
1990	sub cf::client::query {	2970	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2979	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2981
2002	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
2004	}	2986	}
2005		2987
2006	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
2007	on_reply => sub {	2994	on_reply => sub {
2008	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2009		2996
2010	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2011	# get handled first	2998	# get handled first
…		…
2023	} else {	3010	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3012	}
2026	}	3013	}
2027	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2028	);	3041	);
2029		3042
2030	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2031		3044
2032	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2075		3088
2076	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2077		3090
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2079		3096
2080	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2081		3098
2082	=pod	3099	=pod
2083		3100
2084	The following fucntions and emthods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2085		3102
2086	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2087	cf::object::player player	3107	cf::object::player
2088	cf::player peaceful	3108	player
2089	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2090		3115
2091	=cut	3116	=cut
2092		3117
2093	for (	3118	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2095	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2098	) {	3125	) {
2099	no strict 'refs';	3126	no strict 'refs';
…		…
2170	=back	3197	=back
2171		3198
2172	=cut	3199	=cut
2173		3200
2174	#############################################################################	3201	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3202	# the server's init and main functions
2284		3203
		3204	sub load_facedata($) {
		3205	my ($path) = @_;
		3206
		3207	# HACK to clear player env face cache, we need some signal framework
		3208	# for this (global event?)
		3209	%ext::player_env::MUSIC_FACE_CACHE = ();
		3210
		3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3212
		3213	warn "loading facedata from $path\n";
		3214
		3215	my $facedata;
		3216	0 < aio_load $path, $facedata
		3217	or die "$path: $!";
		3218
		3219	$facedata = Coro::Storable::thaw $facedata;
		3220
		3221	$facedata->{version} == 2
		3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3223
		3224	# patch in the exptable
		3225	$facedata->{resource}{"res/exp_table"} = {
		3226	type => FT_RSRC,
		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3228	};
		3229	cf::cede_to_tick;
		3230
		3231	{
		3232	my $faces = $facedata->{faceinfo};
		3233
		3234	while (my ($face, $info) = each %$faces) {
		3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3236
		3237	cf::face::set_visibility $idx, $info->{visibility};
		3238	cf::face::set_magicmap $idx, $info->{magicmap};
		3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244
		3245	while (my ($face, $info) = each %$faces) {
		3246	next unless $info->{smooth};
		3247
		3248	my $idx = cf::face::find $face
		3249	or next;
		3250
		3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
		3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3254	} else {
		3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	{
		3263	my $anims = $facedata->{animinfo};
		3264
		3265	while (my ($anim, $info) = each %$anims) {
		3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3267	cf::cede_to_tick;
		3268	}
		3269
		3270	cf::anim::invalidate_all; # d'oh
		3271	}
		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
		3308	1
		3309	}
		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
2285	sub load_resources {	3339	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3355	or die "unable to load regions file\n";
2288	}
2289		3356
2290	sub cfg_load {	3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
		3363	sub reload_facedata {
		3364	load_facedata "$DATADIR/facedata"
		3365	or die "unable to load facedata\n";
		3366	}
		3367
		3368	sub reload_archetypes {
		3369	load_resource_file "$DATADIR/archetypes"
		3370	or die "unable to load archetypes\n";
		3371	}
		3372
		3373	sub reload_treasures {
		3374	load_resource_file "$DATADIR/treasures"
		3375	or die "unable to load treasurelists\n";
		3376	}
		3377
		3378	sub reload_resources {
		3379	warn "reloading resource files...\n";
		3380
		3381	reload_facedata;
		3382	reload_archetypes;
		3383	reload_regions;
		3384	reload_treasures;
		3385
		3386	warn "finished reloading resource files\n";
		3387	}
		3388
		3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
		3392	reload_resources;
		3393	}
		3394
		3395	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3397	or return;
2293		3398
2294	local $/;	3399	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2296		3401
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3403
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3411	};
2307	warn $@ if $@;	3412	warn $@ if $@;
2308	}	3413	}
2309	}	3414	}
2310		3415
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3416	sub main {
2316	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3420	(async {
2320	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2322	};	3424	};
2323		3425
2324	cfg_load;	3426	{
2325	db_load;	3427	my $guard = freeze_mainloop;
		3428	reload_config;
		3429	db_init;
2326	load_extensions;	3430	load_extensions;
2327		3431
2328	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2329	Event::loop;	3436	EV::loop;
2330	}	3437	}
2331		3438
2332	#############################################################################	3439	#############################################################################
2333	# initialisation and cleanup	3440	# initialisation and cleanup
2334		3441
2335	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2336	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2345	},
2346	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2347	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2348	}	3531	}
2349		3532
2350	sub emergency_save() {	3533	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2352		3535
…		…
2358	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3547	$pl->save;
2364	}	3548	}
2365	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2366		3550
2367	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3553	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3554	$map->valid or next;
2371	$map->save;	3555	$map->save;
2372	}	3556	}
2373	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
		3558
		3559	warn "begin emergency database checkpoint\n";
		3560	BDB::db_env_txn_checkpoint $DB_ENV;
		3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2374	};	3566	};
2375		3567
2376	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2377	}	3569	}
2378		3570
		3571	sub post_cleanup {
		3572	my ($make_core) = @_;
		3573
		3574	warn Carp::longmess "post_cleanup backtrace"
		3575	if $make_core;
		3576	}
		3577
2379	sub reload() {	3578	sub do_reload_perl() {
2380	# can/must only be called in main	3579	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3580	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3581	warn "can only reload from main coroutine";
2383	return;	3582	return;
2384	}	3583	}
2385		3584
2386	warn "reloading...";	3585	warn "reloading...";
2387		3586
2388	warn "cancelling server ticker";	3587	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3588
		3589	cf::sync_job {
		3590	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3591	cf::emergency_save;
		3592	cf::write_runtime_sync; # external watchdog should not bark
2392		3593
2393	eval {	3594	warn "syncing database to disk";
		3595	BDB::db_env_txn_checkpoint $DB_ENV;
		3596
2394	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403		3598
2404	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2405	for (;;) {	3600	for (;;) {
		3601	BDB::flush;
2406	IO::AIO::flush;	3602	IO::AIO::flush;
2407	Coro::cede;	3603	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3605	warn "iterate...";
2410	}	3606	}
		3607
		3608	++$RELOAD;
2411		3609
2412	warn "cancelling all extension coros";	3610	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3611	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3612	%EXT_CORO = ();
2415		3613
2416	warn "removing commands";	3614	warn "removing commands";
2417	%COMMAND = ();	3615	%COMMAND = ();
2418		3616
2419	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2421		3620
2422	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2425		3624
…		…
2455	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3656
2458	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2460		3660
2461	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3662	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2464		3664
…		…
2467	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2468	require cf;	3668	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3670
2471	warn "loading config and database again";	3671	warn "loading config and database again";
2472	cf::cfg_load;	3672	cf::reload_config;
2473	cf::db_load;
2474		3673
2475	warn "loading extensions";	3674	warn "loading extensions";
2476	cf::load_extensions;	3675	cf::load_extensions;
2477		3676
2478	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3678	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2482		3683
2483	warn "loading reloadable resources";	3684	warn "leaving sync_job";
2484	load_resources;
2485		3685
2486	warn "restarting server ticker";	3686	1
2487		3687	} or do {
2488	$TICK_WATCHER->start;	3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
2489	};	3690	};
2490
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496		3691
2497	warn "reloaded";	3692	warn "reloaded";
2498	};	3693	};
2499		3694
2500	our $RELOAD_WATCHER; # used only during reload	3695	our $RELOAD_WATCHER; # used only during reload
2501		3696
		3697	sub reload_perl() {
		3698	# doing reload synchronously and two reloads happen back-to-back,
		3699	# coro crashes during coro_state_free->destroy here.
		3700
		3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3702	do_reload_perl;
		3703	undef $RELOAD_WATCHER;
		3704	};
		3705	}
		3706
2502	register_command "reload" => sub {	3707	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2504		3709
2505	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
2507		3712	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3713	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3714	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3715	};
2520	}	3716	}
2521	};	3717	};
2522		3718
2523	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2524		3720
2525	my $bug_warning = 0;	3721	my $bug_warning = 0;
2526		3722
2527	$TICK_WATCHER = Event->timer (	3723	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3724	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3725
2530	prio => 0,	3726	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3728
2533	cb => sub {	3729	my $signal = new Coro::Signal;
		3730	push @WAIT_FOR_TICK, $signal;
		3731	$signal->wait;
		3732	}
		3733
		3734	sub wait_for_tick_begin {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK_BEGIN, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub tick {
2534	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2537	return;	3746	return;
2538	}	3747	}
2539		3748
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3750
2546	$WAIT_FOR_TICK->broadcast;	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3753	Coro::async_pool {
		3754	$Coro::current->{desc} = "runtime saver";
		3755	write_runtime_sync
		3756	or warn "ERROR: unable to write runtime file: $!";
		3757	};
		3758	}
2548		3759
2549	Event::sweep;	3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3761	$sig->send;
		3762	}
		3763	while (my $sig = shift @WAIT_FOR_TICK) {
		3764	$sig->send;
		3765	}
		3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
2551		3775	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3776	}
2561	);	3777	}
2562		3778
2563	{	3779	{
2564	BDB::max_poll_time $TICK * 0.1;	3780	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3781
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3782	BDB::min_parallel 8;
2574		3783	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3784	$Coro::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3785
2590	unless ($DB_ENV) {	3786	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3792
2593	cf::sync_job {	3793	cf::sync_job {
		3794	eval {
2594	BDB::db_env_open	3795	BDB::db_env_open
2595	$DB_ENV,	3796	$DB_ENV,
2596	$BDB_ENV_DIR,	3797	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3800	0666;
2600		3801
2601	cf::cleanup "$!" if $!;	3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3803	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3804
		3805	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3806	};
2605	}	3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
2606	}	3818	}
2607		3819
2608	{	3820	{
		3821	# configure IO::AIO
		3822
2609	IO::AIO::min_parallel 8;	3823	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3824	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3825	$Coro::AIO::WATCHER->priority (1);
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3826	}
2622		3827
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3828	my $_log_backtrace;
2624	reentrant => 0,	3829
2625	data => WF_AUTOCANCEL,	3830	sub _log_backtrace {
2626	after => 1,	3831	my ($msg, @addr) = @_;
2627	interval => 10,	3832
2628	prio => 6, # keep it lowest so it acts like a watchdog	3833	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3834
2630	write_runtime	3835	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3865	}
2633	);	3866	}
		3867
		3868	# load additional modules
		3869	use cf::pod;
2634		3870
2635	END { cf::emergency_save }	3871	END { cf::emergency_save }
2636		3872
2637	1	3873	1
2638		3874

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