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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.436 by root, Sun Jun 15 20:32:51 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	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	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		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
54		106
55	our %CFG;	107	our %CFG;
56		108
57	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
59		112
60	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	115	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		116
68	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
71	binmode STDOUT;	125	binmode STDOUT;
72	binmode STDERR;	126	binmode STDERR;
73		127
74	# read virtual server time, if available	128	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
79	}	133	}
80		134
81	mkdir cf::localdir;	135	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		137
87	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
88		139
89	sub cf::map::normalise;	140	sub cf::map::normalise;
90		141
…		…
101	=item $cf::RUNTIME	152	=item $cf::RUNTIME
102		153
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	155	every server tick.
105		156
106	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		160
108	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
110		165
111	=item $cf::NOW	166	=item $cf::NOW
112		167
113	The time of the last (current) server tick.	168	The time of the last (current) server tick.
114		169
115	=item $cf::TICK	170	=item $cf::TICK
116		171
117	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
118		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
119	=item %cf::CFG	184	=item %cf::CFG
120		185
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	187	from wherever your confdir points to.
123		188
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		190
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	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	192	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	193	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.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
130		200
131	=back	201	=back
132		202
133	=cut	203	=cut
134		204
135	BEGIN {	205	BEGIN {
136	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	207	my $msg = join "", @_;
138	utf8::encode $msg;
139		208
140	$msg .= "\n"	209	$msg .= "\n"
141	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
142		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
143	LOG llevError, $msg;	214	LOG llevError, $msg;
144	};	215	};
145	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
146		232
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		240
154	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	242	# within the Safe compartment.
156	for my $pkg (qw(	243	for my $pkg (qw(
157	cf::global cf::attachable	244	cf::global cf::attachable
…		…
162	)) {	249	)) {
163	no strict 'refs';	250	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	252	}
166		253
167	$Event::DIED = sub {	254	$EV::DIED = sub {
168	warn "error in event callback: @_";	255	warn "error in event callback: @_";
169	};	256	};
		257
		258	#############################################################################
170		259
171	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
172		261
173	=over 4	262	=over 4
174		263
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	283	$d
195	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
196	}	285	}
197		286
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
201		288
202	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
203		290
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
212		292
213	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
214		294
215	=cut	295	=cut
216		296
217	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
219	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
220	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
221		301
222	=item cf::lock_wait $string	302	=item cf::lock_wait $string
223		303
224	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
225		305
…		…
228	Wait until the given lock is available and then acquires it and returns	308	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,	309	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	310	for example when the coroutine gets canceled), the lock is automatically
231	returned.	311	returned.
232		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
233	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
235		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
236	=cut	323	=cut
237		324
238	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
239		327
240	sub lock_wait($) {	328	sub lock_wait($) {
241	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
242		335
243	# wait for lock, if any	336	# wait for lock, if any
244	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	339	Coro::schedule;
…		…
252		345
253	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
254	lock_wait $key;	347	lock_wait $key;
255		348
256	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
257		351
258	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
261	}	356	}
262	}	357	}
263		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
264	sub freeze_mainloop {	365	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
266		367
267	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
268	$TICK_WATCHER->start;	369	}
269	$WRITE_RUNTIME_WATCHER->start;	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
270	};	429	}
271	$WRITE_RUNTIME_WATCHER->stop;	430	};
272	$TICK_WATCHER->stop;	431
273	$guard	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
274	}	444	}
275		445
276	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
277		447
278	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		453
284	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
285		455
286	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
287		457
288	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
291		462
292	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
295	fast or be very important.	466	fast or be very important.
…		…
298		469
299	sub sync_job(&) {	470	sub sync_job(&) {
300	my ($job) = @_;	471	my ($job) = @_;
301		472
302	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
303	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
305		478
306	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	480
308	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
309		482
310	my $busy = 1;	483	my $busy = 1;
311	my @res;	484	my @res;
312		485
313	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	488	@res = eval { $job->() };
315	warn $@ if $@;	489	warn $@ if $@;
316	undef $busy;	490	undef $busy;
317	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
318		492
319	while ($busy) {	493	while ($busy) {
320	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
321	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
322		504
323	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
324	} else {	506	} else {
325	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
326		508
…		…
346	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
347		529
348	$coro	530	$coro
349	}	531	}
350		532
351	sub write_runtime {	533	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		534
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
355	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
356		539
357	my $value = $cf::RUNTIME + 90 + 10;	540	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		541
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	sub fork_call(&@) {
362	and return;	543	my ($cb, @args) = @_;
363		544
364	# always fsync - this file is important	545	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	546	# otherwise perl prematurely frees the stuff :/
366	and return;	547	# TODO: investigate and fix (likely this will be rather laborious)
367		548
368	close $fh	549	my @res = Coro::Util::fork_eval {
369	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
370		553
371	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
372	and return;	555	}
373		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
374	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	720	}
376		721
377	=back	722	=back
378		723
379	=cut	724	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
388		733
389	In the following description, CLASS can be any of C<global>, C<object>	734	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	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	736	Deliantra).
392		737
393	=over 4	738	=over 4
394		739
395	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
396		741
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
560		905
561	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		910
566	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	912	my $pkg = shift @arg;
568		913
569	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
599	}	944	}
600		945
601	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
602	} else {	947	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	949	}
605		950
606	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
607	}	952	}
608		953
…		…
610	if (ref $_[0]) {	955	if (ref $_[0]) {
611	_object_attach @_;	956	_object_attach @_;
612	} else {	957	} else {
613	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
614	}	959	}
		960	_recalc_want;
615	};	961	};
616		962
617	# all those should be optimised	963	# all those should be optimised
618	sub cf::attachable::detach {	964	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
623	reattach ($obj);	969	reattach ($obj);
624	} else {	970	} else {
625	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
626	}	972	}
		973	_recalc_want;
627	};	974	};
628		975
629	sub cf::attachable::attached {	976	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
631		978
…		…
646	";	993	";
647	die if $@;	994	die if $@;
648	}	995	}
649		996
650	our $override;	997	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		999
653	sub override {	1000	sub override {
654	$override = 1;	1001	$override = 1;
655	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
656	}	1003	}
657		1004
658	sub do_invoke {	1005	sub do_invoke {
659	my $event = shift;	1006	my $event = shift;
660	my $callbacks = shift;	1007	my $callbacks = shift;
661		1008
662	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
663		1010
664	local $override;	1011	local $override;
665		1012
666	for (@$callbacks) {	1013	for (@$callbacks) {
667	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
676	}	1023	}
677		1024
678	0	1025	0
679	}	1026	}
680		1027
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1029
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1031
685	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
686		1033
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	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	1035	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1037
691	=back	1038	=back
692		1039
693	=cut	1040	=cut
694		1041
695	#############################################################################	1042	#############################################################################
696	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
697		1086
698	sub reattach {	1087	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1089	my ($obj) = @_;
701		1090
…		…
722	cf::attachable->attach (	1111	cf::attachable->attach (
723	prio => -1000000,	1112	prio => -1000000,
724	on_instantiate => sub {	1113	on_instantiate => sub {
725	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
726		1115
727	$data = from_json $data;	1116	$data = decode_json $data;
728		1117
729	for (@$data) {	1118	for (@$data) {
730	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
731		1120
732	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1137	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
750		1139
751	sync_job {	1140	sync_job {
752	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
755		1145
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1149	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1150	aio_close $fh;
761		1151
762	if (@$objs) {	1152	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1157	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1158	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
770	}	1160	}
771	} else {	1161	} else {
772	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
773	}	1163	}
…		…
778	}	1168	}
779	} else {	1169	} else {
780	aio_unlink $filename;	1170	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
782	}	1172	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1173	};
790	}	1174	}
791		1175
792	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
794		1178
…		…
799		1183
800	sub object_thawer_load {	1184	sub object_thawer_load {
801	my ($filename) = @_;	1185	my ($filename) = @_;
802		1186
803	my ($data, $av);	1187	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1188
808	(aio_load $filename, $data) >= 0	1189	(aio_load $filename, $data) >= 0
809	or return;	1190	or return;
810		1191
811	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
813	or return;	1194	or return;
		1195
814	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
815	}	1198	}
816		1199
		1200	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
819	return ($data, $av);	1204	($data, $av)
820	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
821		1212
822	#############################################################################	1213	#############################################################################
823	# command handling &c	1214	# command handling &c
824		1215
825	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1230	}
840		1231
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1233
843	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
844		1239
845	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
846	called.	1241	called.
847		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
848	=cut	1254	=cut
849		1255
850	sub register_extcmd {	1256	sub register_extcmd {
851	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
852		1258
853	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
854	}	1266	}
855		1267
856	cf::player->attach (	1268	cf::player->attach (
857	on_command => sub {	1269	on_command => sub {
858	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1279	cf::override;
868	},	1280	},
869	on_extcmd => sub {	1281	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
871		1283
872	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1285
874	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
880	} else {	1301	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1303	}
883		1304
884	cf::override;	1305	cf::override;
885	},	1306	},
886	);	1307	);
887		1308
888	sub load_extension {
889	my ($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 {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
923	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1314	next unless -r $path;
925	eval {	1315
926	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
927	1	1372	}
928	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
929	}	1378	};
930	}	1379	}
931		1380
932	#############################################################################	1381	#############################################################################
933		1382
		1383	=back
		1384
934	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
935		1386
936	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
937		1388
938	=cut	1389	=cut
…		…
943		1394
944	=head3 cf::player	1395	=head3 cf::player
945		1396
946	=over 4	1397	=over 4
947		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
948	=item cf::player::find $login	1413	=item cf::player::find $login
949		1414
950	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
951		1416
952	=cut	1417	=cut
953		1418
954	sub playerdir($) {	1419	sub playerdir($) {
955	cf::localdir	1420	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1422	}
961		1423
962	sub path($) {	1424	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1426
965	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
966	}	1428	}
967		1429
968	sub find_active($) {	1430	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1445	my $login = $_[0];
984		1446
985	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
986		1448
987	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
989	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
991	}	1466	}
992	}	1467	}
993	}	1468	}
994		1469
…		…
1003	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1004		1479
1005	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1007		1482
		1483	cf::get_slot 0.01;
		1484
1008	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1009	Coro::cede;	1486	cf::cede_to_tick;
1010	}	1487	}
1011		1488
1012	sub new($) {	1489	sub new($) {
1013	my ($login) = @_;	1490	my ($login) = @_;
1014		1491
…		…
1020	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1021		1498
1022	$self	1499	$self
1023	}	1500	}
1024		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1025	=item $pl->quit_character	1512	=item $pl->quit_character
1026		1513
1027	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1029		1516
1030	=cut	1517	=cut
1031		1518
1032	sub quit_character {	1519	sub quit_character {
1033	my ($pl) = @_;	1520	my ($pl) = @_;
1034		1521
		1522	my $name = $pl->ob->name;
		1523
1035	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1526
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1042		1533
1043	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1048	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1049	}	1560	}
1050		1561
1051	=item cf::player::list_logins	1562	=item cf::player::list_logins
1052		1563
1053	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1055		1566
1056	=cut	1567	=cut
1057		1568
1058	sub list_logins {	1569	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1571	or return [];
1061		1572
1062	my @logins;	1573	my @logins;
1063		1574
1064	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1068		1585
1069	utf8::decode $login;	1586	utf8::decode $login;
1070	push @logins, $login;	1587	push @logins, $login;
1071	}	1588	}
1072		1589
…		…
1099	}	1616	}
1100		1617
1101	\@paths	1618	\@paths
1102	}	1619	}
1103		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1105		1715
1106	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1107		1717
1108	=cut	1718	=cut
1109		1719
1110	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1112		1722
1113	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1724	}
1117		1725
1118	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1119		1766
1120	=back	1767	=back
1121
1122		1768
1123	=head3 cf::map	1769	=head3 cf::map
1124		1770
1125	=over 4	1771	=over 4
1126		1772
…		…
1138	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1140		1786
1141	sub generate_random_map {	1787	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1143	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1793	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1181	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1182		1831
1183	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1184	local $self->{path};	1833	local $self->{path};
1185	local $self->{load_path};	1834	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1835
1189	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1190	}	1837	}
1191		1838
1192	sub normalise {	1839	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1240	return $self;	1887	return $self;
1241	}	1888	}
1242	}	1889	}
1243		1890
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1892	()
1246	}	1893	}
1247		1894
1248	sub init {	1895	sub init {
1249	my ($self) = @_;	1896	my ($self) = @_;
…		…
1264		1911
1265	# the original (read-only) location	1912	# the original (read-only) location
1266	sub load_path {	1913	sub load_path {
1267	my ($self) = @_;	1914	my ($self) = @_;
1268		1915
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1270	}	1917	}
1271		1918
1272	# the temporary/swap location	1919	# the temporary/swap location
1273	sub save_path {	1920	sub save_path {
1274	my ($self) = @_;	1921	my ($self) = @_;
1275		1922
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1278	}	1925	}
1279		1926
1280	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1281	sub uniq_path {	1928	sub uniq_path {
1282	my ($self) = @_;	1929	my ($self) = @_;
1283		1930
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1286	}	1933	}
1287		1934
1288	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1289	# all maps in C++...	1936	# all maps in C++...
1290	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1292		1939
1293	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1295	}	1942	}
1296		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1297	sub unlink_save {	1952	sub unlink_save {
1298	my ($self) = @_;	1953	my ($self) = @_;
1299		1954
1300	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1957	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	}	1958	}
1309		1959
1310	sub load_header_from($) {	1960	sub load_header_from($) {
1311	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1312		1962
1313	utf8::encode $path;	1963	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1319		1972
1320	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1321		1974
1322	1	1975	1
1323	}	1976	}
…		…
1362	$self->load_header_orig	2015	$self->load_header_orig
1363	or return;	2016	or return;
1364	$self->prepare_orig;	2017	$self->prepare_orig;
1365	}	2018	}
1366		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
1367	1	2026	1
1368	}	2027	}
1369		2028
1370	sub find;	2029	sub find;
1371	sub find {	2030	sub find {
1372	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1373		2032
1374	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1375		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1377		2037
1378	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1379	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1380	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1381	or return;	2043	or return;
1382		2044
1383	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1384		2046
1385	$map->load_header	2047	$map->load_header
1386	or return;	2048	or return;
1387		2049
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1391	$map->reset;	2055	$map->reset;
1392	undef $guard;
1393	return find $path;	2056	return find $path;
1394	}	2057	}
1395		2058
1396	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1397	}	2060	}
…		…
1404	my ($self) = @_;	2067	my ($self) = @_;
1405		2068
1406	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1407		2070
1408	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1410		2075
		2076	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2078
1413	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1414		2080
1415	$self->alloc;	2081	$self->alloc;
1416		2082
1417	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1418		2085
1419	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1420	or return;	2089	or return;
1421		2090
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2092	if delete $self->{load_original};
1424		2093
1425	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2095	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2098	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1430	}	2102	}
1431	}	2103	}
1432		2104
1433	Coro::cede;	2105	$f->resolve_delayed_derefs;
1434		2106
		2107	cf::cede_to_tick;
1435	# now do the right thing for maps	2108	# now do the right thing for maps
1436	$self->link_multipart_objects;	2109	$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)	2110	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2111	unless $self->difficulty;
1446	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1447	$self->activate;	2121	$self->activate;
		2122	}
		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
		2127	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2128	}
1449		2129
1450	$self->post_load;	2130	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2131	}
1454		2132
1455	sub customise_for {	2133	sub customise_for {
1456	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1457		2135
1458	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2137	if $self->per_player;
1460		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1461	$self	2142	$self
1462	}	2143	}
1463		2144
1464	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2146	sub load_neighbours {
1466	my ($map) = @_;	2147	my ($map) = @_;
1467		2148
1468	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1469		2150
1470	for (0 .. 3) {	2151	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1472	or next;	2153	or next;
1473	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1474	or next;	2155	or next;
1475	$neigh->load;	2156	$neigh->load;
1476		2157
		2158	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2161	}
1480		2162
1481	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1483	or next;	2166	or next;
1484	$neigh->load;	2167	$neigh->load;
1485	}	2168	}
1486	}	2169	}
1487		2170
…		…
1492	}	2175	}
1493		2176
1494	sub do_load_sync {	2177	sub do_load_sync {
1495	my ($map) = @_;	2178	my ($map) = @_;
1496		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1497	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1498	}	2184	}
1499		2185
1500	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1502		2188
1503	sub find_async {	2189	sub find_async {
1504	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1505		2191
1506	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1507		2193
1508	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2196	}
1511		2197
1512	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1513	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1514	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2205	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2206	$map->load if $v;
		2207	}
1519		2208
1520	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1521	}	2210	}
1522	}	2211	}
1523	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1524	};	2213	};
1525	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2217	}
1529		2218
1530	sub save {	2219	sub save {
1531	my ($self) = @_;	2220	my ($self) = @_;
1532		2221
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2223
1535	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1536		2225
1537	return unless $self->dirty;	2226	return unless $self->dirty;
1538		2227
…		…
1544	return if $self->{deny_save};	2233	return if $self->{deny_save};
1545		2234
1546	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1547		2236
1548	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1550	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1551		2243
1552	if ($uniq) {	2244	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2247	} else {
…		…
1561	my ($self) = @_;	2253	my ($self) = @_;
1562		2254
1563	# save first because save cedes	2255	# save first because save cedes
1564	$self->save;	2256	$self->save;
1565		2257
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2259
1568	return if $self->players;	2260	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1570	return if $self->{deny_save};	2262	return if $self->{deny_save};
1571		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2268	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2269	}
1575		2270
1576	sub reset_at {	2271	sub reset_at {
1577	my ($self) = @_;	2272	my ($self) = @_;
1578		2273
1579	# TODO: safety, remove and allow resettable per-player maps	2274	# 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};	2275	return 1e99 if $self->{deny_reset};
1582		2276
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2279
…		…
1596	my ($self) = @_;	2290	my ($self) = @_;
1597		2291
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2293
1600	return if $self->players;	2294	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2295
1603	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1604		2307
1605	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1606		2309
1607	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2312	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2313
1612	$self->unlink_save;	2314	$self->unlink_save;
1613	$self->destroy;	2315	$self->destroy;
1614	}	2316	}
1615		2317
1616	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1617		2319
1618	sub nuke {	2320	sub nuke {
1619	my ($self) = @_;	2321	my ($self) = @_;
1620		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1621	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1622		2327
1623	$self->unlink_save;	2328	$self->unlink_save;
1624		2329
1625	bless $self, "cf::map";	2330	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2335
1631	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1632		2338
1633	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1634	}	2376	}
1635		2377
1636	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1637		2379
1638	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2381	instantiated unique items. May block.
1640		2382
1641	=cut	2383	=cut
1642		2384
1643	sub unique_maps() {	2385	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1645	or return;	2387	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2388	utf8::decode $_;
1651	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2391	? ()
1654	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2394	]
1656
1657	\@paths
1658	}	2395	}
1659
1660	package cf;
1661		2396
1662	=back	2397	=back
1663		2398
1664	=head3 cf::object	2399	=head3 cf::object
1665		2400
…		…
1669		2404
1670	=over 4	2405	=over 4
1671		2406
1672	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1673		2408
1674	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1675		2411
1676	=cut	2412	=cut
1677		2413
1678	sub inv_recursive_;	2414	sub inv_recursive_;
1679	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1682		2418
1683	sub inv_recursive {	2419	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1685	}	2421	}
1686		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1687	package cf;	2451	package cf;
1688		2452
1689	=back	2453	=back
1690		2454
1691	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	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	2462	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1700		2464
1701	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1702		2480
1703	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2482	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1708		2486
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2488
1711	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1713	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1716	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1717	}	2514	}
1718		2515
1719	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1720		2517
1721	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1769		2566
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2568
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1774		2571
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2573	}
1777		2574
1778	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1780		2579
1781	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1782		2581
1783	unless ($map) {	2582	unless ($map) {
1784	# restore original map position	2583	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1801		2600
1802	$map->load;	2601	$map->load;
1803	$map->load_diag;	2602	$map->load_neighbours;
1804		2603
1805	return unless $self->contr->active;	2604	return unless $self->contr->active;
1806	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1808	}	2609	}
1809		2610
1810	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2612
1814	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1818	};	2617	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2618
1824	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1825	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1826	if ($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		2621
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1845		2625
1846	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2631
1849	$self->enter_link;	2632	$self->enter_link;
1850		2633
1851	(async {	2634	(async {
		2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
1852	my $map = eval {	2656	my $map = eval {
1853	my $map = cf::map::find $path;	2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
		2661	$map = $check->($map) if $check && $map;
		2662	} else {
		2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
		2665
1855	$map	2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2672	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1860	})->prio (1);	2680	})->prio (1);
1861	}	2681	}
1862		2682
1863	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1864		2684
…		…
1884	}	2704	}
1885		2705
1886	sub prepare_random_map {	2706	sub prepare_random_map {
1887	my ($exit) = @_;	2707	my ($exit) = @_;
1888		2708
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2709	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2710	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2711	# that depends on the exit object
1894		2712
1895	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2715	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2716	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1902	}	2722	}
1903		2723
1904	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1905		2725
1906	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2728	my $meta = "$RANDOMDIR/$md5.meta";
1909		2729
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2732	undef $fh;
1913	aio_rename "$meta~", $meta;	2733	aio_rename "$meta~", $meta;
1914		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1917	}	2741	}
1918	}	2742	}
1919		2743
1920	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
1922		2746
1923	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1924		2748
1925	if ($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;	2749	$self->enter_link;
1935		2750
1936	(async {	2751	(async {
1937	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1938	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
		2761	prepare_random_map $exit
		2762	if $exit->slaying eq "/!";
		2763	}
		2764
		2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
		2768
1939	$self->goto ($slaying, $hp, $sp);	2769	$self->goto ($map, $x, $y);
1940		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1941	1;	2775	1
1942	}) {	2776	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2781
1948	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2783	$self->leave_link;
1950	}	2784	}
1951	})->prio (1);	2785	})->prio (1);
…		…
1964		2798
1965	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1967		2801
1968	utf8::encode $text;	2802	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2804	}
1971		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1972		2970
1973	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1974		2972
1975	Queues a query to the client, calling the given callback with	2973	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>,	2974	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>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2976
1979	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2978	become reliable at some point in the future.
1981		2979
1982	=cut	2980	=cut
1983		2981
1984	sub cf::client::query {	2982	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2991	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2993
1996	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
1998	}	2998	}
1999		2999
2000	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
2001	on_reply => sub {	3006	on_reply => sub {
2002	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
2003		3008
2004	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
2005	# get handled first	3010	# get handled first
…		…
2017	} else {	3022	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3024	}
2020	}	3025	}
2021	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
2022	);	3053	);
2023		3054
2024	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
2025		3056
2026	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
2069		3100
2070	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
2071		3102
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
2073		3108
2074	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
2075		3110
2076	=pod	3111	=pod
2077		3112
2078	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
2079		3114
2080	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2081	cf::object::player player	3119	cf::object::player
2082	cf::player peaceful	3120	player
2083	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2084		3127
2085	=cut	3128	=cut
2086		3129
2087	for (	3130	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy)],
2089	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2092	) {	3137	) {
2093	no strict 'refs';	3138	no strict 'refs';
…		…
2164	=back	3209	=back
2165		3210
2166	=cut	3211	=cut
2167		3212
2168	#############################################################################	3213	#############################################################################
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	3214	# the server's init and main functions
2278		3215
		3216	sub load_facedata($) {
		3217	my ($path) = @_;
		3218
		3219	# HACK to clear player env face cache, we need some signal framework
		3220	# for this (global event?)
		3221	%ext::player_env::MUSIC_FACE_CACHE = ();
		3222
		3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3224
		3225	warn "loading facedata from $path\n";
		3226
		3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
		3230
		3231	$facedata = Coro::Storable::thaw $facedata;
		3232
		3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3235
		3236	# patch in the exptable
		3237	$facedata->{resource}{"res/exp_table"} = {
		3238	type => FT_RSRC,
		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3240	};
		3241	cf::cede_to_tick;
		3242
		3243	{
		3244	my $faces = $facedata->{faceinfo};
		3245
		3246	while (my ($face, $info) = each %$faces) {
		3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3248
		3249	cf::face::set_visibility $idx, $info->{visibility};
		3250	cf::face::set_magicmap $idx, $info->{magicmap};
		3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3253
		3254	cf::cede_to_tick;
		3255	}
		3256
		3257	while (my ($face, $info) = each %$faces) {
		3258	next unless $info->{smooth};
		3259
		3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
2279	sub load_resources {	3351	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3367	or die "unable to load regions file\n";
2282	}
2283		3368
2284	sub cfg_load {	3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3411	or return;
2287		3412
2288	local $/;	3413	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2290		3415
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2292		3417
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$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};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2300	};	3425	};
2301	warn $@ if $@;	3426	warn $@ if $@;
2302	}	3427	}
2303	}	3428	}
2304		3429
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3430	sub main {
2310	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3434	(async {
2314	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2316	};	3438	};
2317		3439
2318	cfg_load;	3440	{
2319	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2320	load_extensions;	3444	load_extensions;
2321		3445
2322	$TICK_WATCHER->start;	3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2323	Event::loop;	3449	EV::loop;
2324	}	3450	}
2325		3451
2326	#############################################################################	3452	#############################################################################
2327	# initialisation and cleanup	3453	# initialisation and cleanup
2328		3454
2329	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2330	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3459	$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";	3460	cf::cleanup "SIG$signal";
2339	},
2340	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2341	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2342	}	3544	}
2343		3545
2344	sub emergency_save() {	3546	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2346		3548
…		…
2352	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3560	$pl->save;
2358	}	3561	}
2359	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2360		3563
2361	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3567	$map->valid or next;
2365	$map->save;	3568	$map->save;
2366	}	3569	}
2367	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2368	};	3579	};
2369		3580
2370	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2371	}	3582	}
2372		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2373	sub reload() {	3591	sub do_reload_perl() {
2374	# can/must only be called in main	3592	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3594	warn "can only reload from main coroutine";
2377	return;	3595	return;
2378	}	3596	}
2379		3597
2380	warn "reloading...";	3598	warn "reloading...";
2381		3599
2382	warn "cancelling server ticker";	3600	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2386		3606
2387	eval {	3607	warn "syncing database to disk";
		3608	BDB::db_env_txn_checkpoint $DB_ENV;
		3609
2388	# if anything goes wrong in here, we should simply crash as we already saved	3610	# 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 $_->data & WF_AUTOCANCEL;
2396	}
2397		3611
2398	warn "flushing outstanding aio requests";	3612	warn "flushing outstanding aio requests";
2399	for (;;) {	3613	for (;;) {
		3614	BDB::flush;
2400	IO::AIO::flush;	3615	IO::AIO::flush;
2401	Coro::cede;	3616	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3617	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3618	warn "iterate...";
2404	}	3619	}
		3620
		3621	++$RELOAD;
2405		3622
2406	warn "cancelling all extension coros";	3623	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3625	%EXT_CORO = ();
2409		3626
2410	warn "removing commands";	3627	warn "removing commands";
2411	%COMMAND = ();	3628	%COMMAND = ();
2412		3629
2413	warn "removing ext commands";	3630	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2415		3633
2416	warn "unloading/nuking all extensions";	3634	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2419		3637
…		…
2449	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3669
2452	warn "unloading cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2454		3673
2455	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3675	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2458		3677
…		…
2461	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2462	require cf;	3681	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3683
2465	warn "loading config and database again";	3684	warn "loading config and database again";
2466	cf::cfg_load;	3685	cf::reload_config;
2467	cf::db_load;
2468		3686
2469	warn "loading extensions";	3687	warn "loading extensions";
2470	cf::load_extensions;	3688	cf::load_extensions;
2471		3689
2472	warn "reattaching attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3691	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3692	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
2476		3696
2477	warn "loading reloadable resources";	3697	warn "leaving sync_job";
2478	load_resources;
2479		3698
2480	warn "restarting server ticker";	3699	1
2481		3700	} or do {
2482	$TICK_WATCHER->start;	3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2483	};	3703	};
2484
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490		3704
2491	warn "reloaded";	3705	warn "reloaded";
2492	};	3706	};
2493		3707
2494	our $RELOAD_WATCHER; # used only during reload	3708	our $RELOAD_WATCHER; # used only during reload
2495		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2496	register_command "reload" => sub {	3720	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2498		3722
2499	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3724	$who->message ("reloading server.");
2501		3725	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3726	$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;	3727	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3728	};
2514	}	3729	}
2515	};	3730	};
2516		3731
2517	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2518		3733
2519	my $bug_warning = 0;	3734	my $bug_warning = 0;
2520		3735
2521	$TICK_WATCHER = Event->timer (	3736	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3737	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3738
2524	prio => 0,	3739	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3741
2527	cb => sub {	3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
2528	if ($Coro::current != $Coro::main) {	3756	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3758	unless ++$bug_warning > 10;
2531	return;	3759	return;
2532	}	3760	}
2533		3761
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		3763
2540	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2542		3766	Coro::async_pool {
2543	Event::sweep;	3767	$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	3768	write_runtime_sync
2577	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
		3770	};
2578	},	3771	}
2579	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
		3791
		3792	{
		3793	# configure BDB
		3794
		3795	BDB::min_parallel 8;
		3796	BDB::max_poll_reqs $TICK * 0.1;
		3797	$AnyEvent::BDB::WATCHER->priority (1);
		3798
		3799	unless ($DB_ENV) {
		3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3802	| BDB::LOG_AUTOREMOVE, 1);
		3803	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3804	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3805
		3806	cf::sync_job {
		3807	eval {
		3808	BDB::db_env_open
		3809	$DB_ENV,
		3810	$BDBDIR,
		3811	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3812	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3813	0666;
		3814
		3815	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3816	};
		3817
		3818	cf::cleanup "db_env_open(db): $@" if $@;
		3819	};
		3820	}
		3821
		3822	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3823	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3824	};
		3825	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3826	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3827	};
		3828	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3829	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3830	};
		3831	}
		3832
		3833	{
		3834	# configure IO::AIO
		3835
		3836	IO::AIO::min_parallel 8;
		3837	IO::AIO::max_poll_time $TICK * 0.1;
		3838	undef $AnyEvent::AIO::WATCHER;
		3839	}
		3840
		3841	my $_log_backtrace;
		3842
		3843	sub _log_backtrace {
		3844	my ($msg, @addr) = @_;
		3845
		3846	$msg =~ s/\n//;
		3847
		3848	# limit the # of concurrent backtraces
		3849	if ($_log_backtrace < 2) {
		3850	++$_log_backtrace;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2580		3883
2581	END { cf::emergency_save }	3884	END { cf::emergency_save }
2582		3885
2583	1	3886	1
2584		3887

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