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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		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;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	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(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	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
113	every server tick.	154	every server tick.
114		155
115	=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
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	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
136	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
137	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.
138	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.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	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#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		239
163	# 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
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$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;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	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
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($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#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
278	};	428	}
279	$TICK_WATCHER->stop;	429	};
280	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
281	}	443	}
282		444
283	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
284		446
285	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		452
291	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
292		454
293	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
294		456
295	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
298		461
299	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
302	fast or be very important.	465	fast or be very important.
…		…
305		468
306	sub sync_job(&) {	469	sub sync_job(&) {
307	my ($job) = @_;	470	my ($job) = @_;
308		471
309	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
310	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
312		477
313	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	479
315	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
316		481
317	my $busy = 1;	482	my $busy = 1;
318	my @res;	483	my @res;
319		484
320	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	487	@res = eval { $job->() };
322	warn $@ if $@;	488	warn $@ if $@;
323	undef $busy;	489	undef $busy;
324	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
325		491
326	while ($busy) {	492	while ($busy) {
327	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
328	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
329		503
330	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
331	} else {	505	} else {
332	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
333		507
…		…
353	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
354		528
355	$coro	529	$coro
356	}	530	}
357		531
358	sub write_runtime {	532	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		533
361	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
362		538
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
364	or return;
365		540
366	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		543
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
371	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
372		547
373	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	549	reset_signals;
375	and return;	550	&$cb
		551	}, @args;
376		552
377	close $fh	553	wantarray ? @res : $res[-1]
378	or return;	554	}
379		555
380	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
381	and return;
382		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
383	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
384	}	719	}
385		720
386	=back	721	=back
387		722
388	=cut	723	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
397		732
398	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>
399	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
400	crossfire+).	735	Deliantra).
401		736
402	=over 4	737	=over 4
403		738
404	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
405		740
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
569		904
570	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		909
575	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	911	my $pkg = shift @arg;
577		912
578	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
608	}	943	}
609		944
610	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
611	} else {	946	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	948	}
614		949
615	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
616	}	951	}
617		952
…		…
619	if (ref $_[0]) {	954	if (ref $_[0]) {
620	_object_attach @_;	955	_object_attach @_;
621	} else {	956	} else {
622	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
623	}	958	}
		959	_recalc_want;
624	};	960	};
625		961
626	# all those should be optimised	962	# all those should be optimised
627	sub cf::attachable::detach {	963	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
632	reattach ($obj);	968	reattach ($obj);
633	} else {	969	} else {
634	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
635	}	971	}
		972	_recalc_want;
636	};	973	};
637		974
638	sub cf::attachable::attached {	975	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
640		977
…		…
655	";	992	";
656	die if $@;	993	die if $@;
657	}	994	}
658		995
659	our $override;	996	our $override;
660	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?
661		998
662	sub override {	999	sub override {
663	$override = 1;	1000	$override = 1;
664	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
665	}	1002	}
666		1003
667	sub do_invoke {	1004	sub do_invoke {
668	my $event = shift;	1005	my $event = shift;
669	my $callbacks = shift;	1006	my $callbacks = shift;
670		1007
671	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
672		1009
673	local $override;	1010	local $override;
674		1011
675	for (@$callbacks) {	1012	for (@$callbacks) {
676	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
685	}	1022	}
686		1023
687	0	1024	0
688	}	1025	}
689		1026
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1028
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1030
694	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
695		1032
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1036
700	=back	1037	=back
701		1038
702	=cut	1039	=cut
703		1040
704	#############################################################################	1041	#############################################################################
705	# 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, $ob2
		1084	}
706		1085
707	sub reattach {	1086	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1088	my ($obj) = @_;
710		1089
…		…
731	cf::attachable->attach (	1110	cf::attachable->attach (
732	prio => -1000000,	1111	prio => -1000000,
733	on_instantiate => sub {	1112	on_instantiate => sub {
734	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
735		1114
736	$data = from_json $data;	1115	$data = decode_json $data;
737		1116
738	for (@$data) {	1117	for (@$data) {
739	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
740		1119
741	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1136	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
759		1138
760	sync_job {	1139	sync_job {
761	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
764		1144
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1149	aio_close $fh;
770		1150
771	if (@$objs) {	1151	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1157	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
779	}	1159	}
780	} else {	1160	} else {
781	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
782	}	1162	}
…		…
787	}	1167	}
788	} else {	1168	} else {
789	aio_unlink $filename;	1169	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
791	}	1171	}
792	}	1172	};
793	}	1173	}
794		1174
795	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
797		1177
…		…
809	or return;	1189	or return;
810		1190
811	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
813	or return;	1193	or return;
		1194
814	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
815	}	1197	}
816		1198
		1199	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
819	return ($data, $av);	1203	($data, $av)
820	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
821		1211
822	#############################################################################	1212	#############################################################################
823	# command handling &c	1213	# command handling &c
824		1214
825	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1229	}
840		1230
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1232
843	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.
844		1238
845	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
846	called.	1240	called.
847		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
848	=cut	1253	=cut
849		1254
850	sub register_extcmd {	1255	sub register_extcmd {
851	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
852		1257
853	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
854	}	1265	}
855		1266
856	cf::player->attach (	1267	cf::player->attach (
857	on_command => sub {	1268	on_command => sub {
858	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1278	cf::override;
868	},	1279	},
869	on_extcmd => sub {	1280	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
871		1282
872	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1284
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
880	} else {	1300	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1302	}
883		1303
884	cf::override;	1304	cf::override;
885	},	1305	},
886	);	1306	);
887		1307
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
923	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1313	next unless -r $path;
925	eval {	1314
926	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	$progress = 1;
927	1	1371	}
928	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
929	}	1377	};
930	}	1378	}
931		1379
932	#############################################################################	1380	#############################################################################
933		1381
		1382	=back
		1383
934	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
935		1385
936	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
937		1387
938	=cut	1388	=cut
…		…
943		1393
944	=head3 cf::player	1394	=head3 cf::player
945		1395
946	=over 4	1396	=over 4
947		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
948	=item cf::player::find $login	1412	=item cf::player::find $login
949		1413
950	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
951		1415
952	=cut	1416	=cut
953		1417
954	sub playerdir($) {	1418	sub playerdir($) {
955	cf::localdir	1419	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1421	}
961		1422
962	sub path($) {	1423	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1425
965	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
966	}	1427	}
967		1428
968	sub find_active($) {	1429	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1444	my $login = $_[0];
984		1445
985	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
986		1447
987	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
991	}	1465	}
992	}	1466	}
993	}	1467	}
994		1468
…		…
1003	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1004		1478
1005	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1007		1481
		1482	cf::get_slot 0.01;
		1483
1008	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1009	Coro::cede;	1485	cf::cede_to_tick;
1010	}	1486	}
1011		1487
1012	sub new($) {	1488	sub new($) {
1013	my ($login) = @_;	1489	my ($login) = @_;
1014		1490
…		…
1020	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1021		1497
1022	$self	1498	$self
1023	}	1499	}
1024		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
1025	=item $pl->quit_character	1511	=item $pl->quit_character
1026		1512
1027	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1029		1515
1030	=cut	1516	=cut
1031		1517
1032	sub quit_character {	1518	sub quit_character {
1033	my ($pl) = @_;	1519	my ($pl) = @_;
1034		1520
		1521	my $name = $pl->ob->name;
		1522
1035	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1036	$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
1037		1525
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1042		1532
1043	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1537	$pl->destroy;
		1538
		1539	my $prefix = qr<^~\Q$name\E/>;
		1540
		1541	# nuke player maps
		1542	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1543
1048	IO::AIO::aio_rmtree $temp;	1544	IO::AIO::aio_rmtree $temp;
		1545	}
		1546
		1547	=item $pl->kick
		1548
		1549	Kicks a player out of the game. This destroys the connection.
		1550
		1551	=cut
		1552
		1553	sub kick {
		1554	my ($pl, $kicker) = @_;
		1555
		1556	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1557	$pl->killer ("kicked");
		1558	$pl->ns->destroy;
1049	}	1559	}
1050		1560
1051	=item cf::player::list_logins	1561	=item cf::player::list_logins
1052		1562
1053	Returns am arrayref of all valid playernames in the system, can take a	1563	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1055		1565
1056	=cut	1566	=cut
1057		1567
1058	sub list_logins {	1568	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1570	or return [];
1061		1571
1062	my @logins;	1572	my @logins;
1063		1573
1064	for my $login (@$dirs) {	1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1068		1584
1069	utf8::decode $login;	1585	utf8::decode $login;
1070	push @logins, $login;	1586	push @logins, $login;
1071	}	1587	}
1072		1588
…		…
1099	}	1615	}
1100		1616
1101	\@paths	1617	\@paths
1102	}	1618	}
1103		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1105		1714
1106	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1107		1716
1108	=cut	1717	=cut
1109		1718
1110	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1112		1721
1113	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1723	}
1117		1724
1118	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1119		1765
1120	=back	1766	=back
1121
1122		1767
1123	=head3 cf::map	1768	=head3 cf::map
1124		1769
1125	=over 4	1770	=over 4
1126		1771
…		…
1138	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1140		1785
1141	sub generate_random_map {	1786	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1790
1143	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1792	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1795	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1829	my ($self, $merge) = @_;
1182		1830
1183	# we have to keep some variables in memory intact	1831	# we have to keep some variables in memory intact
1184	local $self->{path};	1832	local $self->{path};
1185	local $self->{load_path};	1833	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1834
1189	$self->SUPER::thawer_merge ($merge);	1835	$self->SUPER::thawer_merge ($merge);
1190	}	1836	}
1191		1837
1192	sub normalise {	1838	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1240	return $self;	1886	return $self;
1241	}	1887	}
1242	}	1888	}
1243		1889
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1891	()
1246	}	1892	}
1247		1893
1248	sub init {	1894	sub init {
1249	my ($self) = @_;	1895	my ($self) = @_;
…		…
1264		1910
1265	# the original (read-only) location	1911	# the original (read-only) location
1266	sub load_path {	1912	sub load_path {
1267	my ($self) = @_;	1913	my ($self) = @_;
1268		1914
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1270	}	1916	}
1271		1917
1272	# the temporary/swap location	1918	# the temporary/swap location
1273	sub save_path {	1919	sub save_path {
1274	my ($self) = @_;	1920	my ($self) = @_;
1275		1921
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1923	"$TMPDIR/$path.map"
1278	}	1924	}
1279		1925
1280	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1281	sub uniq_path {	1927	sub uniq_path {
1282	my ($self) = @_;	1928	my ($self) = @_;
1283		1929
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1931	"$UNIQUEDIR/$path"
1286	}	1932	}
1287		1933
1288	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1289	# all maps in C++...	1935	# all maps in C++...
1290	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1292		1938
1293	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1295	}	1941	}
1296		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1297	sub unlink_save {	1951	sub unlink_save {
1298	my ($self) = @_;	1952	my ($self) = @_;
1299		1953
1300	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1958
1305	sub load_header_from($) {	1959	sub load_header_from($) {
1306	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1307		1961
1308	utf8::encode $path;	1962	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1964	or return;
		1965
		1966	$self->_load_header ($f)
		1967	or return;
		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
1314		1971
1315	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1316		1973
1317	1	1974	1
1318	}	1975	}
…		…
1357	$self->load_header_orig	2014	$self->load_header_orig
1358	or return;	2015	or return;
1359	$self->prepare_orig;	2016	$self->prepare_orig;
1360	}	2017	}
1361		2018
		2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
		2021
		2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
		2024
1362	1	2025	1
1363	}	2026	}
1364		2027
1365	sub find;	2028	sub find;
1366	sub find {	2029	sub find {
1367	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1368		2031
1369	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1370		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1372		2036
1373	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1374	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1375	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1376	or return;	2042	or return;
1377		2043
1378	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1379		2045
1380	$map->load_header	2046	$map->load_header
1381	or return;	2047	or return;
1382		2048
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	2050	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1386	$map->reset;	2054	$map->reset;
1387	undef $guard;
1388	return find $path;	2055	return find $path;
1389	}	2056	}
1390		2057
1391	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1392	}	2059	}
…		…
1399	my ($self) = @_;	2066	my ($self) = @_;
1400		2067
1401	local $self->{deny_reset} = 1; # loading can take a long time	2068	local $self->{deny_reset} = 1; # loading can take a long time
1402		2069
1403	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1404	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1405		2074
		2075	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2077
1408	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1409		2079
1410	$self->alloc;	2080	$self->alloc;
1411		2081
1412	$self->pre_load;	2082	$self->pre_load;
		2083	cf::cede_to_tick;
1413		2084
1414	$self->_load_objects ($self->{load_path}, 1)	2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1415	or return;	2088	or return;
1416		2089
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	2091	if delete $self->{load_original};
1419		2092
1420	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2094	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2097	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1425	}	2101	}
1426	}	2102	}
1427		2103
1428	Coro::cede;	2104	$f->resolve_delayed_derefs;
1429		2105
		2106	cf::cede_to_tick;
1430	# now do the right thing for maps	2107	# now do the right thing for maps
1431	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2110	unless $self->difficulty;
1441	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1442	$self->activate;	2120	$self->activate;
		2121	}
		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
		2126	$self->in_memory (cf::MAP_ACTIVE);
1443	}	2127	}
1444		2128
1445	$self->post_load;	2129	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2130	}
1449		2131
1450	sub customise_for {	2132	sub customise_for {
1451	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1452		2134
1453	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2136	if $self->per_player;
1455		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1456	$self	2141	$self
1457	}	2142	}
1458		2143
1459	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2145	sub load_neighbours {
1461	my ($map) = @_;	2146	my ($map) = @_;
1462		2147
1463	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1464		2149
1465	for (0 .. 3) {	2150	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1467	or next;	2152	or next;
1468	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1469	or next;	2154	or next;
1470	$neigh->load;	2155	$neigh->load;
1471		2156
		2157	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2160	}
1475		2161
1476	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1478	or next;	2165	or next;
1479	$neigh->load;	2166	$neigh->load;
1480	}	2167	}
1481	}	2168	}
1482		2169
…		…
1487	}	2174	}
1488		2175
1489	sub do_load_sync {	2176	sub do_load_sync {
1490	my ($map) = @_;	2177	my ($map) = @_;
1491		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1492	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1493	}	2183	}
1494		2184
1495	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2186	our $MAP_PREFETCHER = undef;
1497		2187
1498	sub find_async {	2188	sub find_async {
1499	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1500		2190
1501	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1502		2192
1503	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2195	}
1506		2196
1507	undef $MAP_PREFETCH{$path};	2197	$MAP_PREFETCH{$path} |= $load;
		2198
1508	$MAP_PREFETCHER ||= cf::async {	2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
1509	while (%MAP_PREFETCH) {	2202	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2203	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2204	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2205	$map->load if $v;
		2206	}
1514		2207
1515	delete $MAP_PREFETCH{$path};	2208	delete $MAP_PREFETCH{$k};
1516	}	2209	}
1517	}	2210	}
1518	undef $MAP_PREFETCHER;	2211	undef $MAP_PREFETCHER;
1519	};	2212	};
1520	$MAP_PREFETCHER->prio (6);	2213	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2216	}
1524		2217
1525	sub save {	2218	sub save {
1526	my ($self) = @_;	2219	my ($self) = @_;
1527		2220
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2222
1530	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1531		2224
1532	return unless $self->dirty;	2225	return unless $self->dirty;
1533		2226
…		…
1539	return if $self->{deny_save};	2232	return if $self->{deny_save};
1540		2233
1541	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1542		2235
1543	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1545	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1546		2242
1547	if ($uniq) {	2243	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2246	} else {
…		…
1556	my ($self) = @_;	2252	my ($self) = @_;
1557		2253
1558	# save first because save cedes	2254	# save first because save cedes
1559	$self->save;	2255	$self->save;
1560		2256
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2258
1563	return if $self->players;	2259	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1565	return if $self->{deny_save};	2261	return if $self->{deny_save};
1566		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2267	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2268	}
1570		2269
1571	sub reset_at {	2270	sub reset_at {
1572	my ($self) = @_;	2271	my ($self) = @_;
1573		2272
1574	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1577		2275
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2278
…		…
1591	my ($self) = @_;	2289	my ($self) = @_;
1592		2290
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2292
1595	return if $self->players;	2293	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2294
1598	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
1599		2296
1600	$self->in_memory (cf::MAP_SWAPPED);	2297	$self->in_memory (cf::MAP_SWAPPED);
1601		2298
1602	# need to save uniques path	2299	# need to save uniques path
1603	unless ($self->{deny_save}) {	2300	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2304	if $uniq;
1608	}	2305	}
1609		2306
1610	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1611		2308
		2309	$self->deactivate;
		2310	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2311	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2312
1616	$self->unlink_save;	2313	$self->unlink_save;
1617	$self->destroy;	2314	$self->destroy;
1618	}	2315	}
1619		2316
1620	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1621		2318
1622	sub nuke {	2319	sub nuke {
1623	my ($self) = @_;	2320	my ($self) = @_;
1624		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
1625	delete $cf::MAP{$self->path};	2325	delete $cf::MAP{$self->path};
1626		2326
1627	$self->unlink_save;	2327	$self->unlink_save;
1628		2328
1629	bless $self, "cf::map";	2329	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2330	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2334
1635	$cf::MAP{$self->path} = $self;	2335	$cf::MAP{$self->path} = $self;
		2336	}
1636		2337
1637	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
		2339	}
		2340
		2341	=item $maps = cf::map::tmp_maps
		2342
		2343	Returns an arrayref with all map paths of currently instantiated and saved
		2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
		2349	[
		2350	map {
		2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
		2357	}
		2358
		2359	=item $maps = cf::map::random_maps
		2360
		2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
		2363
		2364	=cut
		2365
		2366	sub random_maps() {
		2367	[
		2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
1638	}	2375	}
1639		2376
1640	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1641		2378
1642	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2380	instantiated unique items. May block.
1644		2381
1645	=cut	2382	=cut
1646		2383
1647	sub unique_maps() {	2384	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1649	or return;	2386	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2387	utf8::decode $_;
1655	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2390	? ()
1658	push @paths, cf::map::normalise $_;	2391	: normalise $_
		2392	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2393	]
1660
1661	\@paths
1662	}	2394	}
1663
1664	package cf;
1665		2395
1666	=back	2396	=back
1667		2397
1668	=head3 cf::object	2398	=head3 cf::object
1669		2399
…		…
1673		2403
1674	=over 4	2404	=over 4
1675		2405
1676	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1677		2407
1678	Returns the inventory of the object _and_ their inventories, recursively.	2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
1679		2410
1680	=cut	2411	=cut
1681		2412
1682	sub inv_recursive_;	2413	sub inv_recursive_;
1683	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1686		2417
1687	sub inv_recursive {	2418	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1689	}	2420	}
1690		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
		2447	}
		2448	}
		2449
1691	package cf;	2450	package cf;
1692		2451
1693	=back	2452	=back
1694		2453
1695	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1701	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1702	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1703	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1704		2463
1705	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1706		2479
1707	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2481	# with dialog boxes.
1709	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1710	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1712		2485
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2487
1715	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1717	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1720	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1721	}	2513	}
1722		2514
1723	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1724		2516
1725	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1773		2565
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2567
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1778		2570
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2572	}
1781		2573
1782	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1784		2578
1785	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1786		2580
1787	unless ($map) {	2581	unless ($map) {
1788	# restore original map position	2582	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1805		2599
1806	$map->load;	2600	$map->load;
1807	$map->load_diag;	2601	$map->load_neighbours;
1808		2602
1809	return unless $self->contr->active;	2603	return unless $self->contr->active;
1810	$self->activate_recursive;	2604	$self->activate_recursive;
1811		2605
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1814	}	2608	}
1815		2609
1816	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2611
1820	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1824	};	2616	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2617
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	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
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	2618	=cut
		2619
		2620	our $GOTOGEN;
1851		2621
1852	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2627
1855	$self->enter_link;	2628	$self->enter_link;
1856		2629
1857	(async {	2630	(async {
		2631	$Coro::current->{desc} = "player::goto $path $x $y";
		2632
		2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
1858	my $map = eval {	2652	my $map = eval {
1859	my $map = cf::map::find $path;	2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
		2657	$map = $check->($map) if $check && $map;
		2658	} else {
		2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
		2661
1861	$map	2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2668	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1866	})->prio (1);	2676	})->prio (1);
1867	}	2677	}
1868		2678
1869	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1870		2680
…		…
1890	}	2700	}
1891		2701
1892	sub prepare_random_map {	2702	sub prepare_random_map {
1893	my ($exit) = @_;	2703	my ($exit) = @_;
1894		2704
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2705	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2706	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2707	# that depends on the exit object
1900		2708
1901	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2711	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2712	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1908	}	2718	}
1909		2719
1910	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1911		2721
1912	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2724	my $meta = "$RANDOMDIR/$md5.meta";
1915		2725
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2728	undef $fh;
1919	aio_rename "$meta~", $meta;	2729	aio_rename "$meta~", $meta;
1920		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1923	}	2737	}
1924	}	2738	}
1925		2739
1926	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
1928		2742
1929	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1930		2744
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2745	$self->enter_link;
1941		2746
1942	(async {	2747	(async {
1943	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1944	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
		2757	prepare_random_map $exit
		2758	if $exit->slaying eq "/!";
		2759	}
		2760
		2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
		2764
1945	$self->goto ($slaying, $hp, $sp);	2765	$self->goto ($map, $x, $y);
1946		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1947	1;	2771	1
1948	}) {	2772	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2777
1954	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2779	$self->leave_link;
1956	}	2780	}
1957	})->prio (1);	2781	})->prio (1);
…		…
1970		2794
1971	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1973		2797
1974	utf8::encode $text;	2798	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2800	}
1977		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
1978		2966
1979	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1980		2968
1981	Queues a query to the client, calling the given callback with	2969	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>,	2970	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>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2972
1985	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2974	become reliable at some point in the future.
1987		2975
1988	=cut	2976	=cut
1989		2977
1990	sub cf::client::query {	2978	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2987	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2989
2002	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
2004	}	2994	}
2005		2995
2006	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
2007	on_reply => sub {	3002	on_reply => sub {
2008	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
2009		3004
2010	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
2011	# get handled first	3006	# get handled first
…		…
2023	} else {	3018	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3020	}
2026	}	3021	}
2027	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
2028	);	3049	);
2029		3050
2030	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
2031		3052
2032	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
2075		3096
2076	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
2077		3098
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
2079		3104
2080	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
2081		3106
2082	=pod	3107	=pod
2083		3108
2084	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
2085		3110
2086	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
2087	cf::object::player player	3115	cf::object::player
2088	cf::player peaceful	3116	player
2089	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2090		3123
2091	=cut	3124	=cut
2092		3125
2093	for (	3126	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2095	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2098	) {	3133	) {
2099	no strict 'refs';	3134	no strict 'refs';
…		…
2170	=back	3205	=back
2171		3206
2172	=cut	3207	=cut
2173		3208
2174	#############################################################################	3209	#############################################################################
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 $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3210	# the server's init and main functions
2248		3211
2249	sub init_resources {	3212	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3213	my ($path) = @_;
		3214
		3215	# HACK to clear player env face cache, we need some signal framework
		3216	# for this (global event?)
		3217	%ext::player_env::MUSIC_FACE_CACHE = ();
		3218
		3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3220
		3221	warn "loading facedata from $path\n";
		3222
		3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
		3226
		3227	$facedata = Coro::Storable::thaw $facedata;
		3228
		3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3231
		3232	# patch in the exptable
		3233	$facedata->{resource}{"res/exp_table"} = {
		3234	type => FT_RSRC,
		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3236	};
		3237	cf::cede_to_tick;
		3238
		3239	{
		3240	my $faces = $facedata->{faceinfo};
		3241
		3242	while (my ($face, $info) = each %$faces) {
		3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3244
		3245	cf::face::set_visibility $idx, $info->{visibility};
		3246	cf::face::set_magicmap $idx, $info->{magicmap};
		3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3249
		3250	cf::cede_to_tick;
		3251	}
		3252
		3253	while (my ($face, $info) = each %$faces) {
		3254	next unless $info->{smooth};
		3255
		3256	my $idx = cf::face::find $face
		3257	or next;
		3258
		3259	if (my $smooth = cf::face::find $info->{smooth}) {
		3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3262	} else {
		3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3315
		3316	1
		3317	}
		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3363	or die "unable to load regions file\n";
2252	}
2253		3364
2254	sub cfg_load {	3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
		3386	sub reload_resources {
		3387	warn "reloading resource files...\n";
		3388
		3389	reload_facedata;
		3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
		3395	}
		3396
		3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
		3400	reload_resources;
		3401	}
		3402
		3403	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3405	or return;
2257		3406
2258	local $/;	3407	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2260		3409
2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2262		3411
2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2270	};	3419	};
2271	warn $@ if $@;	3420	warn $@ if $@;
2272	}	3421	}
2273	}	3422	}
2274		3423
2275	sub init {
2276	init_resources;
2277	}
2278
2279	sub main {	3424	sub main {
2280	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3428	(async {
2284	Event::one_event;	3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3431	})->prio (Coro::PRIO_MAX);
2286	};	3432	};
2287		3433
2288	cfg_load;	3434	{
		3435	my $guard = freeze_mainloop;
		3436	reload_config;
2289	db_init;	3437	db_init;
2290	load_extensions;	3438	load_extensions;
2291		3439
2292	$TICK_WATCHER->start;	3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2293	Event::loop;	3444	EV::loop;
2294	}	3445	}
2295		3446
2296	#############################################################################	3447	#############################################################################
2297	# initialisation and cleanup	3448	# initialisation and cleanup
2298		3449
2299	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2300	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2309	},
2310	);	3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2311	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2312	}	3539	}
2313		3540
2314	sub emergency_save() {	3541	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2316		3543
…		…
2322	# and maps saved/destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3555	$pl->save;
2328	}	3556	}
2329	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2330		3558
2331	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3565	warn "end emergency map save\n";
2338		3566
2339	warn "begin emergency database checkpoint\n";	3567	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3568	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2342	};	3574	};
2343		3575
2344	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2345	}	3577	}
2346		3578
…		…
2349		3581
2350	warn Carp::longmess "post_cleanup backtrace"	3582	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3583	if $make_core;
2352	}	3584	}
2353		3585
2354	sub reload() {	3586	sub do_reload_perl() {
2355	# can/must only be called in main	3587	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3589	warn "can only reload from main coroutine";
2358	return;	3590	return;
2359	}	3591	}
…		…
2361	warn "reloading...";	3593	warn "reloading...";
2362		3594
2363	warn "entering sync_job";	3595	warn "entering sync_job";
2364		3596
2365	cf::sync_job {	3597	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2367	cf::emergency_save;	3599	cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2369		3601
2370	warn "syncing database to disk";	3602	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3604
2373	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2374
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379		3606
2380	warn "flushing outstanding aio requests";	3607	warn "flushing outstanding aio requests";
2381	for (;;) {	3608	for (;;) {
2382	BDB::flush;	3609	BDB::flush;
2383	IO::AIO::flush;	3610	IO::AIO::flush;
2384	Coro::cede;	3611	Coro::cede_notself;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3612	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3613	warn "iterate...";
2387	}	3614	}
		3615
		3616	++$RELOAD;
2388		3617
2389	warn "cancelling all extension coros";	3618	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3620	%EXT_CORO = ();
2392		3621
2393	warn "removing commands";	3622	warn "removing commands";
2394	%COMMAND = ();	3623	%COMMAND = ();
2395		3624
2396	warn "removing ext commands";	3625	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2398		3628
2399	warn "unloading/nuking all extensions";	3629	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2402		3632
…		…
2432	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3664
2435	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2437		3668
2438	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3670	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2441		3672
…		…
2444	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2445	require cf;	3676	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3678
2448	warn "loading config and database again";	3679	warn "loading config and database again";
2449	cf::cfg_load;	3680	cf::reload_config;
2450		3681
2451	warn "loading extensions";	3682	warn "loading extensions";
2452	cf::load_extensions;	3683	cf::load_extensions;
2453		3684
2454	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3686	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2458		3689	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3690	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3691
2462	warn "leaving sync_job";	3692	warn "leaving sync_job";
2463		3693
2464	1	3694	1
2465	} or do {	3695	} or do {
2466	warn $@;	3696	warn $@;
2467	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2468	exit 1;
2469	};	3698	};
2470		3699
2471	warn "reloaded";	3700	warn "reloaded";
2472	};	3701	};
2473		3702
2474	our $RELOAD_WATCHER; # used only during reload	3703	our $RELOAD_WATCHER; # used only during reload
2475		3704
		3705	sub reload_perl() {
		3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
		3708
		3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3710	do_reload_perl;
		3711	undef $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2476	register_command "reload" => sub {	3715	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2478		3717
2479	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3719	$who->message ("reloading server.");
2481		3720	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3721	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3722	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3723	};
2494	}	3724	}
2495	};	3725	};
2496		3726
2497	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2498		3728
2499	my $bug_warning = 0;	3729	my $bug_warning = 0;
2500		3730
2501	$TICK_WATCHER = Event->timer (	3731	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3732	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3733
2504	prio => 0,	3734	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	3736
2507	cb => sub {	3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
2508	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3753	unless ++$bug_warning > 10;
2511	return;	3754	return;
2512	}	3755	}
2513		3756
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		3758
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3761	Coro::async_pool {
		3762	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3763	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3765	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	3766	}
2540	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
2541		3786
2542	{	3787	{
2543	BDB::max_poll_time $TICK * 0.1;	3788	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3789
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	3790	BDB::min_parallel 8;
2553		3791	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3792	$Coro::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		3793
2569	unless ($DB_ENV) {	3794	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		3800
2572	cf::sync_job {	3801	cf::sync_job {
2573	eval {	3802	eval {
2574	BDB::db_env_open	3803	BDB::db_env_open
2575	$DB_ENV,	3804	$DB_ENV,
2576	$BDB_ENV_DIR,	3805	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3808	0666;
2580		3809
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3811	};
2586		3812
2587	cf::cleanup "db_env_open(db): $@" if $@;	3813	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3814	};
2589	}	3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
2590	}	3826	}
2591		3827
2592	{	3828	{
		3829	# configure IO::AIO
		3830
2593	IO::AIO::min_parallel 8;	3831	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	3832	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	3833	$Coro::AIO::WATCHER->priority (1);
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2606		3878
2607	END { cf::emergency_save }	3879	END { cf::emergency_save }
2608		3880
2609	1	3881	1
2610		3882

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