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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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;
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 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
54		108
55	our %CFG;	109	our %CFG;
56		110
57	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
59		114
60	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		118
68	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
71	binmode STDOUT;	127	binmode STDOUT;
72	binmode STDERR;	128	binmode STDERR;
73		129
74	# read virtual server time, if available	130	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
79	}	135	}
80		136
81	mkdir cf::localdir;	137	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		139
87	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
88		141
89	sub cf::map::normalise;	142	sub cf::map::normalise;
90		143
…		…
101	=item $cf::RUNTIME	154	=item $cf::RUNTIME
102		155
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	157	every server tick.
105		158
106	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		162
108	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
110		167
111	=item $cf::NOW	168	=item $cf::NOW
112		169
113	The time of the last (current) server tick.	170	The time of the last (current) server tick.
114		171
115	=item $cf::TICK	172	=item $cf::TICK
116		173
117	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
118		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
119	=item %cf::CFG	186	=item %cf::CFG
120		187
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	189	from wherever your confdir points to.
123		190
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		192
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
130		202
131	=back	203	=back
132		204
133	=cut	205	=cut
134		206
135	BEGIN {	207	BEGIN {
136	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	209	my $msg = join "", @_;
138	utf8::encode $msg;
139		210
140	$msg .= "\n"	211	$msg .= "\n"
141	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
142		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
143	LOG llevError, $msg;	216	LOG llevError, $msg;
144	};	217	};
145	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
146		234
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		242
154	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	244	# within the Safe compartment.
156	for my $pkg (qw(	245	for my $pkg (qw(
157	cf::global cf::attachable	246	cf::global cf::attachable
…		…
162	)) {	251	)) {
163	no strict 'refs';	252	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	254	}
166		255
167	$Event::DIED = sub {	256	$EV::DIED = sub {
168	warn "error in event callback: @_";	257	warn "error in event callback: @_";
169	};	258	};
		259
		260	#############################################################################
170		261
171	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
172		263
173	=over 4	264	=over 4
174		265
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	285	$d
195	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
196	}	287	}
197		288
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
201		290
202	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
203		292
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
212		294
213	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
214		296
215	=cut	297	=cut
216		298
217	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
219	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
221		303
222	=item cf::lock_wait $string	304	=item cf::lock_wait $string
223		305
224	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
225		307
…		…
228	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
231	returned.	313	returned.
232		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
233	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
235		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
236	=cut	325	=cut
237		326
238	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
239		329
240	sub lock_wait($) {	330	sub lock_wait($) {
241	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
242		337
243	# wait for lock, if any	338	# wait for lock, if any
244	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	341	Coro::schedule;
…		…
252		347
253	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
254	lock_wait $key;	349	lock_wait $key;
255		350
256	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
257		353
258	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
261	}	358	}
262	}	359	}
263		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
264	sub freeze_mainloop {	367	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
266		369
267	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	371	}
269	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
270	};	431	}
271	$WRITE_RUNTIME_WATCHER->stop;	432	};
272	$TICK_WATCHER->stop;	433
273	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
274	}	446	}
275		447
276	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
277		449
278	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		455
284	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
285		457
286	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
287		459
288	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
291		464
292	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
295	fast or be very important.	468	fast or be very important.
…		…
298		471
299	sub sync_job(&) {	472	sub sync_job(&) {
300	my ($job) = @_;	473	my ($job) = @_;
301		474
302	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
303	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
305		480
306	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	482
308	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
309		484
310	my $busy = 1;	485	my $busy = 1;
311	my @res;	486	my @res;
312		487
313	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	490	@res = eval { $job->() };
315	warn $@ if $@;	491	warn $@ if $@;
316	undef $busy;	492	undef $busy;
317	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
318		494
319	while ($busy) {	495	while ($busy) {
320	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
321	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
322		506
323	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
324	} else {	508	} else {
325	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
326		510
…		…
346	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
347		531
348	$coro	532	$coro
349	}	533	}
350		534
351	sub write_runtime {	535	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		536
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
355	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
356		541
357	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		543
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
362	and return;	545	my ($cb, @args) = @_;
363		546
364	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
366	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
367		550
368	close $fh	551	my @res = Coro::Util::fork_eval {
369	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
370		555
371	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
372	and return;	557	}
373		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
374	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	722	}
376		723
377	=back	724	=back
378		725
379	=cut	726	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
388		735
389	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	738	Deliantra).
392		739
393	=over 4	740	=over 4
394		741
395	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
396		743
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
560		907
561	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		912
566	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	914	my $pkg = shift @arg;
568		915
569	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
599	}	946	}
600		947
601	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
602	} else {	949	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	951	}
605		952
606	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
607	}	954	}
608		955
…		…
610	if (ref $_[0]) {	957	if (ref $_[0]) {
611	_object_attach @_;	958	_object_attach @_;
612	} else {	959	} else {
613	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
614	}	961	}
		962	_recalc_want;
615	};	963	};
616		964
617	# all those should be optimised	965	# all those should be optimised
618	sub cf::attachable::detach {	966	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
623	reattach ($obj);	971	reattach ($obj);
624	} else {	972	} else {
625	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
626	}	974	}
		975	_recalc_want;
627	};	976	};
628		977
629	sub cf::attachable::attached {	978	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
631		980
…		…
646	";	995	";
647	die if $@;	996	die if $@;
648	}	997	}
649		998
650	our $override;	999	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1001
653	sub override {	1002	sub override {
654	$override = 1;	1003	$override = 1;
655	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
656	}	1005	}
657		1006
658	sub do_invoke {	1007	sub do_invoke {
659	my $event = shift;	1008	my $event = shift;
660	my $callbacks = shift;	1009	my $callbacks = shift;
661		1010
662	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
663		1012
664	local $override;	1013	local $override;
665		1014
666	for (@$callbacks) {	1015	for (@$callbacks) {
667	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
676	}	1025	}
677		1026
678	0	1027	0
679	}	1028	}
680		1029
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1031
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1033
685	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
686		1035
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1039
691	=back	1040	=back
692		1041
693	=cut	1042	=cut
694		1043
695	#############################################################################	1044	#############################################################################
696	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
697		1088
698	sub reattach {	1089	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1091	my ($obj) = @_;
701		1092
…		…
722	cf::attachable->attach (	1113	cf::attachable->attach (
723	prio => -1000000,	1114	prio => -1000000,
724	on_instantiate => sub {	1115	on_instantiate => sub {
725	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
726		1117
727	$data = from_json $data;	1118	$data = decode_json $data;
728		1119
729	for (@$data) {	1120	for (@$data) {
730	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
731		1122
732	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1139	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
750		1141
751	sync_job {	1142	sync_job {
752	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
755		1147
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1151	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1152	aio_close $fh;
761		1153
762	if (@$objs) {	1154	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1160	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
770	}	1162	}
771	} else {	1163	} else {
772	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
773	}	1165	}
…		…
778	}	1170	}
779	} else {	1171	} else {
780	aio_unlink $filename;	1172	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
782	}	1174	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1175	};
790	}	1176	}
791		1177
792	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
794		1180
…		…
799		1185
800	sub object_thawer_load {	1186	sub object_thawer_load {
801	my ($filename) = @_;	1187	my ($filename) = @_;
802		1188
803	my ($data, $av);	1189	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1190
808	(aio_load $filename, $data) >= 0	1191	(aio_load $filename, $data) >= 0
809	or return;	1192	or return;
810		1193
811	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
813	or return;	1196	or return;
		1197
814	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
815	}	1200	}
816		1201
		1202	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
819	return ($data, $av);	1206	($data, $av)
820	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
821		1214
822	#############################################################################	1215	#############################################################################
823	# command handling &c	1216	# command handling &c
824		1217
825	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1232	}
840		1233
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1235
843	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
844		1241
845	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
846	called.	1243	called.
847		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
848	=cut	1256	=cut
849		1257
850	sub register_extcmd {	1258	sub register_extcmd {
851	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
852		1260
853	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
854	}	1268	}
855		1269
856	cf::player->attach (	1270	cf::player->attach (
857	on_command => sub {	1271	on_command => sub {
858	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1281	cf::override;
868	},	1282	},
869	on_extcmd => sub {	1283	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
871		1285
872	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1287
874	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
880	} else {	1303	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1305	}
883		1306
884	cf::override;	1307	cf::override;
885	},	1308	},
886	);	1309	);
887		1310
888	sub load_extension {
889	my ($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 {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
923	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1316	next unless -r $path;
925	eval {	1317
926	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
927	1	1374	}
928	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
929	}	1380	};
930	}	1381	}
931		1382
932	#############################################################################	1383	#############################################################################
933		1384
		1385	=back
		1386
934	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
935		1388
936	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
937		1390
938	=cut	1391	=cut
…		…
943		1396
944	=head3 cf::player	1397	=head3 cf::player
945		1398
946	=over 4	1399	=over 4
947		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
948	=item cf::player::find $login	1415	=item cf::player::find $login
949		1416
950	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
951		1418
952	=cut	1419	=cut
953		1420
954	sub playerdir($) {	1421	sub playerdir($) {
955	cf::localdir	1422	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1424	}
961		1425
962	sub path($) {	1426	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1428
965	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
966	}	1430	}
967		1431
968	sub find_active($) {	1432	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1447	my $login = $_[0];
984		1448
985	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
986		1450
987	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
989	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
991	}	1468	}
992	}	1469	}
993	}	1470	}
994		1471
…		…
1003	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1004		1481
1005	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1007		1484
		1485	cf::get_slot 0.01;
		1486
1008	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1009	Coro::cede;	1488	cf::cede_to_tick;
1010	}	1489	}
1011		1490
1012	sub new($) {	1491	sub new($) {
1013	my ($login) = @_;	1492	my ($login) = @_;
1014		1493
…		…
1020	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1021		1500
1022	$self	1501	$self
1023	}	1502	}
1024		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1025	=item $pl->quit_character	1514	=item $pl->quit_character
1026		1515
1027	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1029		1518
1030	=cut	1519	=cut
1031		1520
1032	sub quit_character {	1521	sub quit_character {
1033	my ($pl) = @_;	1522	my ($pl) = @_;
1034		1523
		1524	my $name = $pl->ob->name;
		1525
1035	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1528
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1042		1535
1043	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1538	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1539	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1540	$pl->destroy;
		1541
		1542	my $prefix = qr<^~\Q$name\E/>;
		1543
		1544	# nuke player maps
		1545	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1546
1048	IO::AIO::aio_rmtree $temp;	1547	IO::AIO::aio_rmtree $temp;
		1548	}
		1549
		1550	=item $pl->kick
		1551
		1552	Kicks a player out of the game. This destroys the connection.
		1553
		1554	=cut
		1555
		1556	sub kick {
		1557	my ($pl, $kicker) = @_;
		1558
		1559	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1560	$pl->killer ("kicked");
		1561	$pl->ns->destroy;
1049	}	1562	}
1050		1563
1051	=item cf::player::list_logins	1564	=item cf::player::list_logins
1052		1565
1053	Returns am arrayref of all valid playernames in the system, can take a	1566	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1055		1568
1056	=cut	1569	=cut
1057		1570
1058	sub list_logins {	1571	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1573	or return [];
1061		1574
1062	my @logins;	1575	my @logins;
1063		1576
1064	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1068		1587
1069	utf8::decode $login;	1588	utf8::decode $login;
1070	push @logins, $login;	1589	push @logins, $login;
1071	}	1590	}
1072		1591
…		…
1099	}	1618	}
1100		1619
1101	\@paths	1620	\@paths
1102	}	1621	}
1103		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1105		1717
1106	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1107		1719
1108	=cut	1720	=cut
1109		1721
1110	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1112		1724
1113	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1726	}
1117		1727
1118	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1119		1768
1120	=back	1769	=back
1121
1122		1770
1123	=head3 cf::map	1771	=head3 cf::map
1124		1772
1125	=over 4	1773	=over 4
1126		1774
…		…
1138	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1140		1788
1141	sub generate_random_map {	1789	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1143	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1795	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1182		1833
1183	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1184	local $self->{path};	1835	local $self->{path};
1185	local $self->{load_path};	1836	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1837
1189	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1190	}	1839	}
1191		1840
1192	sub normalise {	1841	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1240	return $self;	1889	return $self;
1241	}	1890	}
1242	}	1891	}
1243		1892
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1894	()
1246	}	1895	}
1247		1896
1248	sub init {	1897	sub init {
1249	my ($self) = @_;	1898	my ($self) = @_;
…		…
1264		1913
1265	# the original (read-only) location	1914	# the original (read-only) location
1266	sub load_path {	1915	sub load_path {
1267	my ($self) = @_;	1916	my ($self) = @_;
1268		1917
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1270	}	1919	}
1271		1920
1272	# the temporary/swap location	1921	# the temporary/swap location
1273	sub save_path {	1922	sub save_path {
1274	my ($self) = @_;	1923	my ($self) = @_;
1275		1924
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1278	}	1927	}
1279		1928
1280	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1281	sub uniq_path {	1930	sub uniq_path {
1282	my ($self) = @_;	1931	my ($self) = @_;
1283		1932
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1286	}	1935	}
1287		1936
1288	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1289	# all maps in C++...	1938	# all maps in C++...
1290	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1292		1941
1293	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1295	}	1944	}
1296		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1297	sub unlink_save {	1954	sub unlink_save {
1298	my ($self) = @_;	1955	my ($self) = @_;
1299		1956
1300	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1960	}
1309		1961
1310	sub load_header_from($) {	1962	sub load_header_from($) {
1311	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1312		1964
1313	utf8::encode $path;	1965	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1967	or return;
		1968
		1969	$self->_load_header ($f)
		1970	or return;
		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
1319		1974
1320	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1321		1976
1322	1	1977	1
1323	}	1978	}
…		…
1362	$self->load_header_orig	2017	$self->load_header_orig
1363	or return;	2018	or return;
1364	$self->prepare_orig;	2019	$self->prepare_orig;
1365	}	2020	}
1366		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
		2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
		2027
1367	1	2028	1
1368	}	2029	}
1369		2030
1370	sub find;	2031	sub find;
1371	sub find {	2032	sub find {
1372	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1373		2034
1374	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1375		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1377		2039
1378	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1380	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1381	or return;	2045	or return;
1382		2046
1383	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1384		2048
1385	$map->load_header	2049	$map->load_header
1386	or return;	2050	or return;
1387		2051
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1391	$map->reset;	2057	$map->reset;
1392	undef $guard;
1393	return find $path;	2058	return find $path;
1394	}	2059	}
1395		2060
1396	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1397	}	2062	}
…		…
1404	my ($self) = @_;	2069	my ($self) = @_;
1405		2070
1406	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1407		2072
1408	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1410		2077
		2078	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2080
1413	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1414		2082
1415	$self->alloc;	2083	$self->alloc;
1416		2084
1417	$self->pre_load;	2085	$self->pre_load;
		2086	cf::cede_to_tick;
1418		2087
1419	$self->_load_objects ($self->{load_path}, 1)	2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1420	or return;	2091	or return;
1421		2092
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2094	if delete $self->{load_original};
1424		2095
1425	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2097	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2100	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1430	}	2104	}
1431	}	2105	}
1432		2106
1433	Coro::cede;	2107	$f->resolve_delayed_derefs;
1434		2108
		2109	cf::cede_to_tick;
1435	# now do the right thing for maps	2110	# now do the right thing for maps
1436	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2113	unless $self->difficulty;
1446	Coro::cede;	2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1447	$self->activate;	2123	$self->activate;
		2124	}
		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
		2129	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2130	}
1449		2131
1450	$self->post_load;	2132	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2133	}
1454		2134
1455	sub customise_for {	2135	sub customise_for {
1456	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1457		2137
1458	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2139	if $self->per_player;
1460		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1461	$self	2144	$self
1462	}	2145	}
1463		2146
1464	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2148	sub load_neighbours {
1466	my ($map) = @_;	2149	my ($map) = @_;
1467		2150
1468	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1469		2152
1470	for (0 .. 3) {	2153	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1472	or next;	2155	or next;
1473	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1474	or next;	2157	or next;
1475	$neigh->load;	2158	$neigh->load;
1476		2159
		2160	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2163	}
1480		2164
1481	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1483	or next;	2168	or next;
1484	$neigh->load;	2169	$neigh->load;
1485	}	2170	}
1486	}	2171	}
1487		2172
…		…
1492	}	2177	}
1493		2178
1494	sub do_load_sync {	2179	sub do_load_sync {
1495	my ($map) = @_;	2180	my ($map) = @_;
1496		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1497	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1498	}	2186	}
1499		2187
1500	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1502		2190
1503	sub find_async {	2191	sub find_async {
1504	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1505		2193
1506	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1507		2195
1508	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2198	}
1511		2199
1512	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1513	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1514	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2207	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2208	$map->load if $v;
		2209	}
1519		2210
1520	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1521	}	2212	}
1522	}	2213	}
1523	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1524	};	2215	};
1525	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2219	}
1529		2220
1530	sub save {	2221	sub save {
1531	my ($self) = @_;	2222	my ($self) = @_;
1532		2223
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2225
1535	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1536		2227
1537	return unless $self->dirty;	2228	return unless $self->dirty;
1538		2229
…		…
1544	return if $self->{deny_save};	2235	return if $self->{deny_save};
1545		2236
1546	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1547		2238
1548	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1550	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1551		2245
1552	if ($uniq) {	2246	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2249	} else {
…		…
1561	my ($self) = @_;	2255	my ($self) = @_;
1562		2256
1563	# save first because save cedes	2257	# save first because save cedes
1564	$self->save;	2258	$self->save;
1565		2259
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2261
1568	return if $self->players;	2262	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2264	return if $self->{deny_save};
1571		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2270	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2271	}
1575		2272
1576	sub reset_at {	2273	sub reset_at {
1577	my ($self) = @_;	2274	my ($self) = @_;
1578		2275
1579	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1582		2278
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2281
…		…
1596	my ($self) = @_;	2292	my ($self) = @_;
1597		2293
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2295
1600	return if $self->players;	2296	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2297
1603	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
		2299
		2300	$self->in_memory (cf::MAP_SWAPPED);
		2301
		2302	# need to save uniques path
		2303	unless ($self->{deny_save}) {
		2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2305
		2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2307	if $uniq;
		2308	}
1604		2309
1605	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1606		2311
1607	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2314	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2315
1612	$self->unlink_save;	2316	$self->unlink_save;
1613	$self->destroy;	2317	$self->destroy;
1614	}	2318	}
1615		2319
1616	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1617		2321
1618	sub nuke {	2322	sub nuke {
1619	my ($self) = @_;	2323	my ($self) = @_;
1620		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1621	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1622		2329
1623	$self->unlink_save;	2330	$self->unlink_save;
1624		2331
1625	bless $self, "cf::map";	2332	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2337
1631	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1632		2340
1633	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1634	}	2378	}
1635		2379
1636	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1637		2381
1638	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2383	instantiated unique items. May block.
1640		2384
1641	=cut	2385	=cut
1642		2386
1643	sub unique_maps() {	2387	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1645	or return;	2389	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2390	utf8::decode $_;
1651	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2393	? ()
1654	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2396	]
1656
1657	\@paths
1658	}	2397	}
1659
1660	package cf;
1661		2398
1662	=back	2399	=back
1663		2400
1664	=head3 cf::object	2401	=head3 cf::object
1665		2402
…		…
1669		2406
1670	=over 4	2407	=over 4
1671		2408
1672	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1673		2410
1674	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1675		2413
1676	=cut	2414	=cut
1677		2415
1678	sub inv_recursive_;	2416	sub inv_recursive_;
1679	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1682		2420
1683	sub inv_recursive {	2421	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1685	}	2423	}
1686		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1687	package cf;	2453	package cf;
1688		2454
1689	=back	2455	=back
1690		2456
1691	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1700		2466
1701	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1702		2482
1703	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2484	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1708		2488
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2490
1711	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1713	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1716	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1717	}	2516	}
1718		2517
1719	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1720		2519
1721	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1769		2568
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2570
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1774		2573
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2575	}
1777		2576
1778	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1780		2581
1781	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1782		2583
1783	unless ($map) {	2584	unless ($map) {
1784	# restore original map position	2585	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1801		2602
1802	$map->load;	2603	$map->load;
1803	$map->load_diag;	2604	$map->load_neighbours;
1804		2605
1805	return unless $self->contr->active;	2606	return unless $self->contr->active;
1806	$self->activate_recursive;	2607	$self->activate_recursive;
		2608
		2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1808	}	2611	}
1809		2612
1810	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2614
1814	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1818	};	2619	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2620
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1845		2624
1846	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2630
1849	$self->enter_link;	2631	$self->enter_link;
1850		2632
1851	(async {	2633	(async {
		2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
1852	my $map = eval {	2655	my $map = eval {
1853	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
		2660	$map = $check->($map) if $check && $map;
		2661	} else {
		2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
		2664
1855	$map	2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2671	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1860	})->prio (1);	2679	})->prio (1);
1861	}	2680	}
1862		2681
1863	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1864		2683
…		…
1884	}	2703	}
1885		2704
1886	sub prepare_random_map {	2705	sub prepare_random_map {
1887	my ($exit) = @_;	2706	my ($exit) = @_;
1888		2707
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2710	# that depends on the exit object
1894		2711
1895	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2714	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1902	}	2721	}
1903		2722
1904	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1905		2724
1906	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
1909		2728
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2731	undef $fh;
1913	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
1914		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1917	}	2740	}
1918	}	2741	}
1919		2742
1920	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
1922		2745
1923	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1924		2747
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2748	$self->enter_link;
1935		2749
1936	(async {	2750	(async {
1937	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1938	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
		2760	prepare_random_map $exit
		2761	if $exit->slaying eq "/!";
		2762	}
		2763
		2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
		2767
1939	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
1940		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1941	1;	2774	1
1942	}) {	2775	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2780
1948	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2782	$self->leave_link;
1950	}	2783	}
1951	})->prio (1);	2784	})->prio (1);
…		…
1964		2797
1965	sub cf::client::send_drawinfo {	2798	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2799	my ($self, $text, $flags) = @_;
1967		2800
1968	utf8::encode $text;	2801	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2803	}
1971		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
1972		2969
1973	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1974		2971
1975	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2975
1979	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2977	become reliable at some point in the future.
1981		2978
1982	=cut	2979	=cut
1983		2980
1984	sub cf::client::query {	2981	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2990	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2992
1996	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
1998	}	2997	}
1999		2998
2000	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
2001	on_reply => sub {	3005	on_reply => sub {
2002	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2003		3007
2004	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2005	# get handled first	3009	# get handled first
…		…
2017	} else {	3021	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3023	}
2020	}	3024	}
2021	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
2022	);	3052	);
2023		3053
2024	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2025		3055
2026	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2069		3099
2070	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2071		3101
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2073		3107
2074	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2075		3109
2076	=pod	3110	=pod
2077		3111
2078	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2079		3113
2080	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2081	cf::object::player player	3118	cf::object::player
2082	cf::player peaceful	3119	player
2083	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2084		3126
2085	=cut	3127	=cut
2086		3128
2087	for (	3129	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2089	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2092	) {	3136	) {
2093	no strict 'refs';	3137	no strict 'refs';
…		…
2164	=back	3208	=back
2165		3209
2166	=cut	3210	=cut
2167		3211
2168	#############################################################################	3212	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
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 => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3213	# the server's init and main functions
2278		3214
		3215	sub load_facedata($) {
		3216	my ($path) = @_;
		3217
		3218	# HACK to clear player env face cache, we need some signal framework
		3219	# for this (global event?)
		3220	%ext::player_env::MUSIC_FACE_CACHE = ();
		3221
		3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3223
		3224	warn "loading facedata from $path\n";
		3225
		3226	my $facedata;
		3227	0 < aio_load $path, $facedata
		3228	or die "$path: $!";
		3229
		3230	$facedata = Coro::Storable::thaw $facedata;
		3231
		3232	$facedata->{version} == 2
		3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3234
		3235	# patch in the exptable
		3236	$facedata->{resource}{"res/exp_table"} = {
		3237	type => FT_RSRC,
		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3239	};
		3240	cf::cede_to_tick;
		3241
		3242	{
		3243	my $faces = $facedata->{faceinfo};
		3244
		3245	while (my ($face, $info) = each %$faces) {
		3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3247
		3248	cf::face::set_visibility $idx, $info->{visibility};
		3249	cf::face::set_magicmap $idx, $info->{magicmap};
		3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3252
		3253	cf::cede_to_tick;
		3254	}
		3255
		3256	while (my ($face, $info) = each %$faces) {
		3257	next unless $info->{smooth};
		3258
		3259	my $idx = cf::face::find $face
		3260	or next;
		3261
		3262	if (my $smooth = cf::face::find $info->{smooth}) {
		3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3265	} else {
		3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3318
		3319	1
		3320	}
		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
2279	sub load_resources {	3350	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3366	or die "unable to load regions file\n";
2282	}
2283		3367
2284	sub cfg_load {	3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
		3389	sub reload_resources {
		3390	warn "reloading resource files...\n";
		3391
		3392	reload_facedata;
		3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
		3398	}
		3399
		3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3408	or return;
2287		3409
2288	local $/;	3410	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2290		3412
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3414
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3422	};
2301	warn $@ if $@;	3423	warn $@ if $@;
2302	}	3424	}
2303	}	3425	}
2304		3426
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3427	sub main {
2310	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3431	(async {
2314	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2316	};	3435	};
2317		3436
2318	cfg_load;	3437	{
2319	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2320	load_extensions;	3441	load_extensions;
2321		3442
2322	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2323	Event::loop;	3446	EV::loop;
2324	}	3447	}
2325		3448
2326	#############################################################################	3449	#############################################################################
2327	# initialisation and cleanup	3450	# initialisation and cleanup
2328		3451
2329	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2330	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2339	},
2340	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2341	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2342	}	3541	}
2343		3542
2344	sub emergency_save() {	3543	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2346		3545
…		…
2352	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3557	$pl->save;
2358	}	3558	}
2359	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2360		3560
2361	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3564	$map->valid or next;
2365	$map->save;	3565	$map->save;
2366	}	3566	}
2367	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2368	};	3576	};
2369		3577
2370	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2371	}	3579	}
2372		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2373	sub reload() {	3588	sub do_reload_perl() {
2374	# can/must only be called in main	3589	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2377	return;	3592	return;
2378	}	3593	}
2379		3594
2380	warn "reloading...";	3595	warn "reloading...";
2381		3596
2382	warn "cancelling server ticker";	3597	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2386		3603
2387	eval {	3604	warn "syncing database to disk";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606
2388	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397		3608
2398	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2399	for (;;) {	3610	for (;;) {
		3611	BDB::flush;
2400	IO::AIO::flush;	3612	IO::AIO::flush;
2401	Coro::cede;	3613	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3615	warn "iterate...";
2404	}	3616	}
		3617
		3618	++$RELOAD;
2405		3619
2406	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3622	%EXT_CORO = ();
2409		3623
2410	warn "removing commands";	3624	warn "removing commands";
2411	%COMMAND = ();	3625	%COMMAND = ();
2412		3626
2413	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2415		3630
2416	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2419		3634
…		…
2449	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3666
2452	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2454		3670
2455	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3672	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2458		3674
…		…
2461	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2462	require cf;	3678	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3680
2465	warn "loading config and database again";	3681	warn "loading config and database again";
2466	cf::cfg_load;	3682	cf::reload_config;
2467	cf::db_load;
2468		3683
2469	warn "loading extensions";	3684	warn "loading extensions";
2470	cf::load_extensions;	3685	cf::load_extensions;
2471		3686
2472	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3688	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
2476		3693
2477	warn "loading reloadable resources";	3694	warn "leaving sync_job";
2478	load_resources;
2479		3695
2480	warn "restarting server ticker";	3696	1
2481		3697	} or do {
2482	$TICK_WATCHER->start;	3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2483	};	3700	};
2484
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490		3701
2491	warn "reloaded";	3702	warn "reloaded";
2492	};	3703	};
2493		3704
2494	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2495		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2496	register_command "reload" => sub {	3717	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2498		3719
2499	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2501		3722	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3724	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3725	};
2514	}	3726	}
2515	};	3727	};
2516		3728
2517	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2518		3730
2519	my $bug_warning = 0;	3731	my $bug_warning = 0;
2520		3732
2521	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3735
2524	prio => 0,	3736	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3738
2527	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2528	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2531	return;	3756	return;
2532	}	3757	}
2533		3758
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3760
2540	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3763	Coro::async_pool {
2543	Event::sweep;	3764	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;
2545
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},
2555	);
2556
2557	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568
2569	$WRITE_RUNTIME_WATCHER = Event->timer (
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	after => 1,
2573	interval => 10,
2574	prio => 6, # keep it lowest so it acts like a watchdog
2575	cb => Coro::unblock_sub {
2576	write_runtime	3765	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
2578	},	3768	}
2579	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	#undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2580		3880
2581	END { cf::emergency_save }	3881	END { cf::emergency_save }
2582		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2583	1	3885	1
2584		3886

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