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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.547 by root, Sun May 9 22:51:13 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	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 ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	201	every server tick.
114		202
115	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
139		257
140	=back	258	=back
141		259
142	=cut	260	=cut
143		261
144	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	269	my $msg = join "", @_;
147	utf8::encode $msg;
148		270
149	$msg .= "\n"	271	$msg .= "\n"
150	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
151		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
152	LOG llevError, $msg;	276	LOG llevWarn, $msg;
153	};	277	};
154	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
155		292
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		300
163	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	302	# within the Safe compartment.
165	for my $pkg (qw(	303	for my $pkg (qw(
166	cf::global cf::attachable	304	cf::global cf::attachable
167	cf::object cf::object::player	305	cf::object cf::object::player
168	cf::client cf::player	306	cf::client cf::player
169	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
170	cf::map cf::party cf::region	309	cf::party cf::region
171	)) {	310	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	312	}
175		313
176	$Event::DIED = sub {	314	$EV::DIED = sub {
177	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
178	};	316	};
		317
		318	#############################################################################
179		319
180	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
181		321
182	=over 4	322	=over 4
183		323
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	343	$d
204	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
205	}	345	}
206		346
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
210		348
211	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
212		350
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
221		352
222	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
223		354
224	=cut	355	=cut
225		356
226	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
228	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
229	}	374	}
230		375
231	=item cf::lock_wait $string	376	=item cf::lock_wait $string
232		377
233	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
234		379
235	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
236		381
237	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
240	returned.	385	returned.
241		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
242	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
244		392
245	=cut	393	=item $locked = cf::lock_active $string
246		394
247	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
248		400
249	sub lock_wait($) {	401	sub lock_wait($) {
250	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	403	}
258		404
259	sub lock_acquire($) {	405	sub lock_acquire($) {
260	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
261		408
262	# wait, to be sure we are not locked	409	sub lock_active($) {
263	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	411	}
272		412
273	sub freeze_mainloop {	413	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
275		415
276	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
278	};	483	}
279	$TICK_WATCHER->stop;	484	};
280	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
281	}	499	}
282		500
283	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
284		502
285	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		508
291	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
292		510
293	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
294		512
295	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
298		517
299	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
302	fast or be very important.	521	fast or be very important.
…		…
304	=cut	523	=cut
305		524
306	sub sync_job(&) {	525	sub sync_job(&) {
307	my ($job) = @_;	526	my ($job) = @_;
308		527
309	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
310	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
312		533
313	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	535
315	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
316		537
317	my $busy = 1;	538	my $busy = 1;
318	my @res;	539	my @res;
319		540
320	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	543	@res = eval { $job->() };
322	warn $@ if $@;	544	error $@ if $@;
323	undef $busy;	545	undef $busy;
324	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
325		547
326	while ($busy) {	548	while ($busy) {
327	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
328	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
329		559
330	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
331	} else {	561	} else {
332	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
333		563
…		…
353	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
354		584
355	$coro	585	$coro
356	}	586	}
357		587
358	sub write_runtime {	588	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		589
361	my $runtime = cf::localdir . "/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
362		594
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
364	or return;
365		596
366	my $value = $cf::RUNTIME + 90 + 10;	597	sub post_fork {
367	# 10 is the runtime save interval, for a monotonic clock	598	reset_signals;
368	# 60 allows for the watchdog to kill the server.	599	}
369		600
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	601	sub fork_call(&@) {
371	and return;	602	my ($cb, @args) = @_;
372		603
373	# always fsync - this file is important	604	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	605	# otherwise perl prematurely frees the stuff :/
375	and return;	606	# TODO: investigate and fix (likely this will be rather laborious)
376		607
377	close $fh	608	my @res = Coro::Util::fork_eval {
378	or return;	609	cf::post_fork;
		610	&$cb
		611	}, @args;
379		612
380	aio_rename "$runtime~", $runtime	613	wantarray ? @res : $res[-1]
381	and return;	614	}
382		615
		616	sub objinfo {
383	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
		781	}
		782
		783	=item cf::datalog type => key => value, ...
		784
		785	Log a datalog packet of the given type with the given key-value pairs.
		786
		787	=cut
		788
		789	sub datalog($@) {
		790	my ($type, %kv) = @_;
		791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	792	}
385		793
386	=back	794	=back
387		795
388	=cut	796	=cut
389		797
390	#############################################################################	798	#############################################################################
391		799
392	=head2 ATTACHABLE OBJECTS	800	=head2 ATTACHABLE OBJECTS
393		801
394	Many objects in crossfire are so-called attachable objects. That means you can	802	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
397		805
398	In the following description, CLASS can be any of C<global>, C<object>	806	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	808	Deliantra).
401		809
402	=over 4	810	=over 4
403		811
404	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
405		813
…		…
449	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
450		858
451	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
453		861
454	Some classes such as crossfire maps and objects can specify attachments	862	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	863	that are attached at load/instantiate time, thus the need for a name.
456		864
457	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
458		866
459	=over 4	867	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
569		977
570	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		982
575	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	984	my $pkg = shift @arg;
577		985
578	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
583		991
584	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		994
587	} elsif (ref $type) {	995	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
589		997
590	} else {	998	} else {
591	shift @arg;	999	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
593	}	1001	}
594	}	1002	}
595	}	1003	}
596		1004
597	sub _object_attach {	1005	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
608	}	1016	}
609		1017
610	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
611	} else {	1019	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1021	}
614		1022
615	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
616	}	1024	}
617		1025
…		…
619	if (ref $_[0]) {	1027	if (ref $_[0]) {
620	_object_attach @_;	1028	_object_attach @_;
621	} else {	1029	} else {
622	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
623	}	1031	}
		1032	_recalc_want;
624	};	1033	};
625		1034
626	# all those should be optimised	1035	# all those should be optimised
627	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1041	reattach ($obj);
633	} else {	1042	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
635	}	1044	}
		1045	_recalc_want;
636	};	1046	};
637		1047
638	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
640		1050
…		…
655	";	1065	";
656	die if $@;	1066	die if $@;
657	}	1067	}
658		1068
659	our $override;	1069	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1071
662	sub override {	1072	sub override {
663	$override = 1;	1073	$override = 1;
664	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
665	}	1075	}
666		1076
667	sub do_invoke {	1077	sub do_invoke {
668	my $event = shift;	1078	my $event = shift;
669	my $callbacks = shift;	1079	my $callbacks = shift;
670		1080
671	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
672		1082
673	local $override;	1083	local $override;
674		1084
675	for (@$callbacks) {	1085	for (@$callbacks) {
676	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
677		1087
678	if ($@) {	1088	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1090	override;
682	}	1091	}
683		1092
684	return 1 if $override;	1093	return 1 if $override;
685	}	1094	}
686		1095
687	0	1096	0
688	}	1097	}
689		1098
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1100
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1102
694	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
695		1104
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1106	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1108
700	=back	1109	=back
701		1110
702	=cut	1111	=cut
703		1112
704	#############################################################################	1113	#############################################################################
705	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
706		1157
707	sub reattach {	1158	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1160	my ($obj) = @_;
710		1161
		1162	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1164
713	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
714		1166
715	@$registry = ();	1167	@$registry = ();
716		1168
…		…
721	for (@$attach) {	1173	for (@$attach) {
722	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
724	}	1176	}
725	} else {	1177	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1179	}
728	}	1180	}
729	}	1181	}
730		1182
731	cf::attachable->attach (	1183	cf::attachable->attach (
732	prio => -1000000,	1184	prio => -1000000,
733	on_instantiate => sub {	1185	on_instantiate => sub {
734	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
735		1187
736	$data = from_json $data;	1188	$data = decode_json $data;
737		1189
738	for (@$data) {	1190	for (@$data) {
739	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
740		1192
741	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1209	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
759		1211
760	sync_job {	1212	sync_job {
761	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
764		1218
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
769	close $fh;	1226	aio_close $fh;
770		1227
771	if (@$objs) {	1228	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1233	if ($cf::USE_FSYNC) {
		1234	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1235	aio_fsync $fh;
		1236	}
777	close $fh;	1237	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
779	}	1239	}
780	} else {	1240	} else {
781	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
782	}	1242	}
783		1243
784	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1248	} else {
786	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
787	}	1250	}
788	} else {	1251	} else {
789	aio_unlink $filename;	1252	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
791	}	1254	}
792	}	1255	};
793	}	1256	}
794		1257
795	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
797		1260
…		…
809	or return;	1272	or return;
810		1273
811	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
813	or return;	1276	or return;
		1277
814	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
815	}	1280	}
816		1281
		1282	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
819	return ($data, $av);	1287	($data, $av)
820	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
821		1295
822	#############################################################################	1296	#############################################################################
823	# command handling &c	1297	# command handling &c
824		1298
825	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1313	}
840		1314
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1316
843	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
844		1322
845	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
846	called.	1324	called.
847		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
848	=cut	1337	=cut
849		1338
850	sub register_extcmd {	1339	sub register_extcmd {
851	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
852		1341
853	$EXTCMD{$name} = $cb;	1342	$EXTCMD{$name} = $cb;
854	}	1343	}
855		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
		1352
856	cf::player->attach (	1353	cf::player->attach (
857	on_command => sub {	1354	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
859		1356
860	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
861	or return;	1358	or return;
862		1359
…		…
867	cf::override;	1364	cf::override;
868	},	1365	},
869	on_extcmd => sub {	1366	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
871		1368
872	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1370
874	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
880	} else {	1386	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1388	}
883		1389
884	cf::override;	1390	cf::override;
885	},	1391	},
886	);	1392	);
887		1393
		1394	# "readahead" all extensions
888	sub load_extension {	1395	sub cache_extensions {
889	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
890		1397
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1400	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
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	}	1401	}
916	die $@;
917	}	1402	};
918		1403
919	push @EXTS, $pkg;	1404	$grp
920	}	1405	}
921		1406
922	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
923	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1414	next unless -r $path;
925	eval {	1415
926	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
927	1	1479	}
928	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
929	}	1490	};
930	}	1491	}
931		1492
932	#############################################################################	1493	#############################################################################
933		1494
		1495	=back
		1496
934	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
935		1498
936	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
937		1500
938	=cut	1501	=cut
939		1502
940	package cf::player;	1503	package cf::player;
941		1504
…		…
943		1506
944	=head3 cf::player	1507	=head3 cf::player
945		1508
946	=over 4	1509	=over 4
947		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
948	=item cf::player::find $login	1525	=item cf::player::find $login
949		1526
950	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
951		1528
952	=cut	1529	=cut
953		1530
954	sub playerdir($) {	1531	sub playerdir($) {
955	cf::localdir	1532	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1534	}
961		1535
962	sub path($) {	1536	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1538
965	(playerdir $login) . "/$login.pl"	1539	(playerdir $login) . "/playerdata"
966	}	1540	}
967		1541
968	sub find_active($) {	1542	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1543	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1544	and $cf::PLAYER{$_[0]}->active
…		…
973		1547
974	sub exists($) {	1548	sub exists($) {
975	my ($login) = @_;	1549	my ($login) = @_;
976		1550
977	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1552	or !aio_stat path $login
979	}	1553	}
980		1554
981	sub find($) {	1555	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1557	my $login = $_[0];
984		1558
985	my $guard = cf::lock_acquire "user_find:$login";	1559	my $guard = cf::lock_acquire "user_find:$login";
986		1560
987	$cf::PLAYER{$_[0]} || do {	1561	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1562	# rename old playerfiles to new ones
		1563	#TODO: remove when no longer required
		1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1567	aio_unlink +(playerdir $login) . "/$login.pl";
		1568
		1569	my $f = new_from_file cf::object::thawer path $login
989	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
991	}	1578	}
992	}	1579	}
993	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
994		1594
995	sub save($) {	1595	sub save($) {
996	my ($pl) = @_;	1596	my ($pl) = @_;
997		1597
998	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1004		1604
1005	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1007		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1008	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1009	Coro::cede;	1614	cf::cede_to_tick;
1010	}	1615	}
1011		1616
1012	sub new($) {	1617	sub new($) {
1013	my ($login) = @_;	1618	my ($login) = @_;
1014		1619
…		…
1020	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1021		1626
1022	$self	1627	$self
1023	}	1628	}
1024		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1025	=item $pl->quit_character	1640	=item $pl->quit_character
1026		1641
1027	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1029		1644
…		…
1033	my ($pl) = @_;	1648	my ($pl) = @_;
1034		1649
1035	my $name = $pl->ob->name;	1650	my $name = $pl->ob->name;
1036		1651
1037	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1654
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1044		1663
1045	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1673	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1674
1056	IO::AIO::aio_rmtree $temp;	1675	IO::AIO::aio_rmtree $temp;
1057	}	1676	}
1058		1677
		1678	=item $pl->kick
		1679
		1680	Kicks a player out of the game. This destroys the connection.
		1681
		1682	=cut
		1683
		1684	sub kick {
		1685	my ($pl, $kicker) = @_;
		1686
		1687	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1688	$pl->killer ("kicked");
		1689	$pl->ns->destroy;
		1690	}
		1691
1059	=item cf::player::list_logins	1692	=item cf::player::list_logins
1060		1693
1061	Returns am arrayref of all valid playernames in the system, can take a	1694	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1063		1696
1064	=cut	1697	=cut
1065		1698
1066	sub list_logins {	1699	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1701	or return [];
1069		1702
1070	my @logins;	1703	my @logins;
1071		1704
1072	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1076		1715
1077	utf8::decode $login;	1716	utf8::decode $login;
1078	push @logins, $login;	1717	push @logins, $login;
1079	}	1718	}
1080		1719
1081	\@logins	1720	\@logins
1082	}	1721	}
1083		1722
1084	=item $player->maps	1723	=item $player->maps
		1724
		1725	=item cf::player::maps $login
1085		1726
1086	Returns an arrayref of map paths that are private for this	1727	Returns an arrayref of map paths that are private for this
1087	player. May block.	1728	player. May block.
1088		1729
1089	=cut	1730	=cut
…		…
1107	}	1748	}
1108		1749
1109	\@paths	1750	\@paths
1110	}	1751	}
1111		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1113		1758
1114	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1115		1760
1116	=cut	1761	=cut
1117		1762
1118	sub ext_reply($$$%) {	1763	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1120		1765
1121	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1767	}
1125		1768
1126	package cf;	1769	=item $player->ext_msg ($type, @msg)
		1770
		1771	Sends an ext event to the client.
		1772
		1773	=cut
		1774
		1775	sub ext_msg($$@) {
		1776	my ($self, $type, @msg) = @_;
		1777
		1778	$self->ns->ext_msg ($type, @msg);
		1779	}
		1780
		1781	=head3 cf::region
		1782
		1783	=over 4
		1784
		1785	=cut
		1786
		1787	package cf::region;
		1788
		1789	=item cf::region::find_by_path $path
		1790
		1791	Tries to decuce the likely region for a map knowing only its path.
		1792
		1793	=cut
		1794
		1795	sub find_by_path($) {
		1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
		1800	my ($match, $specificity);
		1801
		1802	for my $region (list) {
		1803	if ($region->{match} && $path =~ $region->{match}) {
		1804	($match, $specificity) = ($region, $region->specificity)
		1805	if $region->specificity > $specificity;
		1806	}
		1807	}
		1808
		1809	$match
		1810	}
1127		1811
1128	=back	1812	=back
1129
1130		1813
1131	=head3 cf::map	1814	=head3 cf::map
1132		1815
1133	=over 4	1816	=over 4
1134		1817
…		…
1146	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1148		1831
1149	sub generate_random_map {	1832	sub generate_random_map {
1150	my ($self, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1836
1151	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1152	$self->_create_random_map (	1838	$self->_create_random_map (
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1156	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1157	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1174		1860
1175	sub register {	1861	sub register {
1176	my (undef, $regex, $prio) = @_;	1862	my (undef, $regex, $prio) = @_;
1177	my $pkg = caller;	1863	my $pkg = caller;
1178		1864
1179	no strict;
1180	push @{"$pkg\::ISA"}, __PACKAGE__;	1865	push @{"$pkg\::ISA"}, __PACKAGE__;
1181		1866
1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1183	}	1868	}
1184		1869
1185	# also paths starting with '/'	1870	# also paths starting with '/'
1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1187		1872
1188	sub thawer_merge {	1873	sub thawer_merge {
1189	my ($self, $merge) = @_;	1874	my ($self, $merge) = @_;
1190		1875
1191	# we have to keep some variables in memory intact	1876	# we have to keep some variables in memory intact
1192	local $self->{path};	1877	local $self->{path};
1193	local $self->{load_path};	1878	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1879
1197	$self->SUPER::thawer_merge ($merge);	1880	$self->SUPER::thawer_merge ($merge);
1198	}	1881	}
1199		1882
1200	sub normalise {	1883	sub normalise {
1201	my ($path, $base) = @_;	1884	my ($path, $base) = @_;
1202		1885
1203	$path = "$path"; # make sure its a string	1886	$path = "$path"; # make sure it's a string
1204		1887
1205	$path =~ s/\.map$//;	1888	$path =~ s/\.map$//;
1206		1889
1207	# map plan:	1890	# map plan:
1208	#	1891	#
…		…
1247	$self->init; # pass $1 etc.	1930	$self->init; # pass $1 etc.
1248	return $self;	1931	return $self;
1249	}	1932	}
1250	}	1933	}
1251		1934
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
1253	()	1936	()
1254	}	1937	}
1255		1938
1256	sub init {	1939	sub init {
1257	my ($self) = @_;	1940	my ($self) = @_;
…		…
1272		1955
1273	# the original (read-only) location	1956	# the original (read-only) location
1274	sub load_path {	1957	sub load_path {
1275	my ($self) = @_;	1958	my ($self) = @_;
1276		1959
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1960	"$MAPDIR/$self->{path}.map"
1278	}	1961	}
1279		1962
1280	# the temporary/swap location	1963	# the temporary/swap location
1281	sub save_path {	1964	sub save_path {
1282	my ($self) = @_;	1965	my ($self) = @_;
1283		1966
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1968	"$TMPDIR/$path.map"
1286	}	1969	}
1287		1970
1288	# the unique path, undef == no special unique path	1971	# the unique path, undef == no special unique path
1289	sub uniq_path {	1972	sub uniq_path {
1290	my ($self) = @_;	1973	my ($self) = @_;
1291		1974
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1976	"$UNIQUEDIR/$path"
1294	}	1977	}
1295		1978
1296	# and all this just because we cannot iterate over	1979	sub decay_objects {
1297	# all maps in C++...
1298	sub change_all_map_light {
1299	my ($change) = @_;	1980	my ($self) = @_;
1300		1981
1301	$_->change_map_light ($change)	1982	return if $self->{deny_reset};
1302	for grep $_->outdoor, values %cf::MAP;	1983
		1984	$self->do_decay_objects;
1303	}	1985	}
1304		1986
1305	sub unlink_save {	1987	sub unlink_save {
1306	my ($self) = @_;	1988	my ($self) = @_;
1307		1989
…		…
1312		1994
1313	sub load_header_from($) {	1995	sub load_header_from($) {
1314	my ($self, $path) = @_;	1996	my ($self, $path) = @_;
1315		1997
1316	utf8::encode $path;	1998	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	2000	or return;
		2001
		2002	$self->_load_header ($f)
		2003	or return;
		2004
		2005	local $MAP_LOADING{$self->{path}} = $self;
		2006	$f->resolve_delayed_derefs;
1322		2007
1323	$self->{load_path} = $path;	2008	$self->{load_path} = $path;
1324		2009
1325	1	2010	1
1326	}	2011	}
…		…
1365	$self->load_header_orig	2050	$self->load_header_orig
1366	or return;	2051	or return;
1367	$self->prepare_orig;	2052	$self->prepare_orig;
1368	}	2053	}
1369		2054
		2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
		2057
		2058	$self->default_region (cf::region::find_by_path $self->{path})
		2059	unless $self->default_region;
		2060
1370	1	2061	1
1371	}	2062	}
1372		2063
1373	sub find;	2064	sub find;
1374	sub find {	2065	sub find {
1375	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1376		2067
		2068	cf::cede_to_tick;
		2069
1377	$path = normalise $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1378		2071
		2072	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1380		2074
1381	$cf::MAP{$path} || do {	2075	$cf::MAP{$path} || do {
1382	my $guard = cf::lock_acquire "map_find:$path";
1383	my $map = new_from_path cf::map $path	2076	my $map = new_from_path cf::map $path
1384	or return;	2077	or return;
1385		2078
1386	$map->{last_save} = $cf::RUNTIME;	2079	$map->{last_save} = $cf::RUNTIME;
1387		2080
1388	$map->load_header	2081	$map->load_header
1389	or return;	2082	or return;
1390		2083
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	2085	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1394	$map->reset;	2089	$map->reset;
1395	undef $guard;
1396	return find $path;	2090	return find $path;
1397	}	2091	}
1398		2092
1399	$cf::MAP{$path} = $map	2093	$cf::MAP{$path} = $map
1400	}	2094	}
1401	}	2095	}
1402		2096
1403	sub pre_load { }	2097	sub pre_load { }
1404	sub post_load { }	2098	#sub post_load { } # XS
1405		2099
1406	sub load {	2100	sub load {
1407	my ($self) = @_;	2101	my ($self) = @_;
1408		2102
1409	local $self->{deny_reset} = 1; # loading can take a long time	2103	local $self->{deny_reset} = 1; # loading can take a long time
1410		2104
1411	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1412	my $guard = cf::lock_acquire "map_load:$path";	2108	my $guard = cf::lock_acquire "map_data:$path";
1413		2109
		2110	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2112
1416	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1417		2114
1418	$self->alloc;	2115	$self->alloc;
1419		2116
1420	$self->pre_load;	2117	$self->pre_load;
		2118	cf::cede_to_tick;
1421		2119
1422	$self->_load_objects ($self->{load_path}, 1)	2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1423	or return;	2123	or return;
1424		2124
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1426	if delete $self->{load_original};	2126	if delete $self->{load_original};
1427		2127
1428	if (my $uniq = $self->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2129	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2132	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1433	}	2136	}
1434	}	2137	}
1435		2138
1436	Coro::cede;	2139	$f->resolve_delayed_derefs;
1437		2140
		2141	cf::cede_to_tick;
1438	# now do the right thing for maps	2142	# now do the right thing for maps
1439	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2144	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2145	unless $self->difficulty;
1449	Coro::cede;	2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1450	$self->activate;	2153	$self->activate;
		2154	}
		2155
		2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
		2158
		2159	$self->in_memory (cf::MAP_ACTIVE);
1451	}	2160	}
1452		2161
1453	$self->post_load;	2162	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	2163	}
1457		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
1458	sub customise_for {	2168	sub customise_for {
1459	my ($self, $ob) = @_;	2169	my ($self, $ob) = @_;
1460		2170
1461	return find "~" . $ob->name . "/" . $self->{path}	2171	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2172	if $self->per_player;
1463		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
1464	$self	2177	$self
1465	}	2178	}
1466		2179
1467	# find and load all maps in the 3x3 area around a map	2180	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2181	sub load_neighbours {
1469	my ($map) = @_;	2182	my ($map) = @_;
1470		2183
1471	my @diag; # diagonal neighbours	2184	my @neigh; # diagonal neighbours
1472		2185
1473	for (0 .. 3) {	2186	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2187	my $neigh = $map->tile_path ($_)
1475	or next;	2188	or next;
1476	$neigh = find $neigh, $map	2189	$neigh = find $neigh, $map
1477	or next;	2190	or next;
1478	$neigh->load;	2191	$neigh->load;
1479		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2197	}
1483		2198
1484	for (@diag) {	2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2201	my $neigh = find $path, $origin
1486	or next;	2202	or next;
1487	$neigh->load;	2203	$neigh->load;
1488	}	2204	}
1489	}	2205	}
1490		2206
1491	sub find_sync {	2207	sub find_sync {
1492	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1493		2209
1494	cf::sync_job { find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1495	}	2214	}
1496		2215
1497	sub do_load_sync {	2216	sub do_load_sync {
1498	my ($map) = @_;	2217	my ($map) = @_;
1499		2218
1500	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
1501	}	2223	}
1502		2224
1503	our %MAP_PREFETCH;	2225	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2226	our $MAP_PREFETCHER = undef;
1505		2227
1506	sub find_async {	2228	sub find_async {
1507	my ($path, $origin) = @_;	2229	my ($path, $origin, $load) = @_;
1508		2230
1509	$path = normalise $path, $origin && $origin->{path};	2231	$path = normalise $path, $origin && $origin->{path};
1510		2232
1511	if (my $map = $cf::MAP{$path}) {	2233	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513	}	2235	}
1514		2236
1515	undef $MAP_PREFETCH{$path};	2237	$MAP_PREFETCH{$path} |= $load;
		2238
1516	$MAP_PREFETCHER ||= cf::async {	2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
1517	while (%MAP_PREFETCH) {	2242	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2243	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2244	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2245	$map->load if $v;
		2246	}
1522		2247
1523	delete $MAP_PREFETCH{$path};	2248	delete $MAP_PREFETCH{$k};
1524	}	2249	}
1525	}	2250	}
1526	undef $MAP_PREFETCHER;	2251	undef $MAP_PREFETCHER;
1527	};	2252	};
1528	$MAP_PREFETCHER->prio (6);	2253	$MAP_PREFETCHER->prio (6);
1529		2254
1530	()	2255	()
1531	}	2256	}
1532		2257
		2258	# common code, used by both ->save and ->swapout
1533	sub save {	2259	sub _save {
1534	my ($self) = @_;	2260	my ($self) = @_;
1535
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1537		2261
1538	$self->{last_save} = $cf::RUNTIME;	2262	$self->{last_save} = $cf::RUNTIME;
1539		2263
1540	return unless $self->dirty;	2264	return unless $self->dirty;
1541		2265
…		…
1547	return if $self->{deny_save};	2271	return if $self->{deny_save};
1548		2272
1549	local $self->{last_access} = $self->last_access;#d#	2273	local $self->{last_access} = $self->last_access;#d#
1550		2274
1551	cf::async {	2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2277	$_->contr->save for $self->players;
1553	};	2278	};
		2279
		2280	cf::get_slot 0.02;
1554		2281
1555	if ($uniq) {	2282	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2285	} else {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1560	}	2287	}
1561	}	2288	}
1562		2289
		2290	sub save {
		2291	my ($self) = @_;
		2292
		2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2294
		2295	$self->_save;
		2296	}
		2297
1563	sub swap_out {	2298	sub swap_out {
1564	my ($self) = @_;	2299	my ($self) = @_;
1565		2300
1566	# save first because save cedes
1567	$self->save;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1571	return if $self->players;	2305	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1573	return if $self->{deny_save};
1574		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1575	$self->clear;	2316	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2317	}
1578		2318
1579	sub reset_at {	2319	sub reset_at {
1580	my ($self) = @_;	2320	my ($self) = @_;
1581		2321
1582	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1585		2324
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2327
…		…
1599	my ($self) = @_;	2338	my ($self) = @_;
1600		2339
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2341
1603	return if $self->players;	2342	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2343
1606	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
1607		2345
1608	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->in_memory (cf::MAP_SWAPPED);
1609		2347
1610	# need to save uniques path	2348	# need to save uniques path
1611	unless ($self->{deny_save}) {	2349	unless ($self->{deny_save}) {
…		…
1615	if $uniq;	2353	if $uniq;
1616	}	2354	}
1617		2355
1618	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1619		2357
		2358	$self->deactivate;
		2359	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2360	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2361
1624	$self->unlink_save;	2362	$self->unlink_save;
1625	$self->destroy;	2363	$self->destroy;
1626	}	2364	}
1627		2365
1628	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1629		2367
1630	sub nuke {	2368	sub nuke {
1631	my ($self) = @_;	2369	my ($self) = @_;
1632		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
1633	delete $cf::MAP{$self->path};	2374	delete $cf::MAP{$self->path};
1634		2375
1635	$self->unlink_save;	2376	$self->unlink_save;
1636		2377
1637	bless $self, "cf::map";	2378	bless $self, "cf::map::wrap";
1638	delete $self->{deny_reset};	2379	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2383
1643	$cf::MAP{$self->path} = $self;	2384	$cf::MAP{$self->path} = $self;
		2385	}
1644		2386
1645	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
		2388	}
		2389
		2390	=item $maps = cf::map::tmp_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item $maps = cf::map::random_maps
		2409
		2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
		2412
		2413	=cut
		2414
		2415	sub random_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
1646	}	2424	}
1647		2425
1648	=item cf::map::unique_maps	2426	=item cf::map::unique_maps
1649		2427
1650	Returns an arrayref of paths of all shared maps that have	2428	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2429	instantiated unique items. May block.
1652		2430
1653	=cut	2431	=cut
1654		2432
1655	sub unique_maps() {	2433	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2434	[
1657	or return;	2435	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2436	utf8::decode $_;
1663	next if /\.pst$/;	2437	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2439	? ()
1666	push @paths, cf::map::normalise $_;	2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2442	]
1668
1669	\@paths
1670	}	2443	}
1671		2444
1672	package cf;	2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
		2472	}
		2473
		2474	\@maps
		2475	}
1673		2476
1674	=back	2477	=back
1675		2478
1676	=head3 cf::object	2479	=head3 cf::object
1677		2480
…		…
1681		2484
1682	=over 4	2485	=over 4
1683		2486
1684	=item $ob->inv_recursive	2487	=item $ob->inv_recursive
1685		2488
1686	Returns the inventory of the object _and_ their inventories, recursively.	2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
1687		2491
1688	=cut	2492	=cut
1689		2493
1690	sub inv_recursive_;	2494	sub inv_recursive_;
1691	sub inv_recursive_ {	2495	sub inv_recursive_ {
…		…
1694		2498
1695	sub inv_recursive {	2499	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2500	inv_recursive_ inv $_[0]
1697	}	2501	}
1698		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
		2529	}
		2530
1699	package cf;	2531	package cf;
1700		2532
1701	=back	2533	=back
1702		2534
1703	=head3 cf::object::player	2535	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2542	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1712		2544
1713	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1714		2560
1715	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2562	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1720		2566
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2568
1723	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1725	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1728	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1729	}	2594	}
1730		2595
1731	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1732		2597
1733	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1746		2611
1747	=item $player_object->enter_link	2612	=item $player_object->enter_link
1748		2613
1749	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1750		2615
1751	The player should be reasonably safe there for short amounts of time. You	2616	The player should be reasonably safe there for short amounts of time (e.g.
1752	I<MUST> call C<leave_link> as soon as possible, though.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
1753		2620
1754	Will never block.	2621	Will never block.
1755		2622
1756	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1757		2624
…		…
1777	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1778	my ($self) = @_;	2645	my ($self) = @_;
1779		2646
1780	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1781		2648
		2649	++$self->{_link_recursion};
		2650
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2652
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1786		2655
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1788	}	2657	}
1789		2658
1790	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1792		2663
1793	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1794		2665
1795	unless ($map) {	2666	unless ($map) {
1796	# restore original map position	2667	# restore original map position
…		…
1807	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1808	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1809		2680
1810	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1813		2684
1814	$map->load;	2685	$map->load;
1815	$map->load_diag;	2686	$map->load_neighbours;
1816		2687
1817	return unless $self->contr->active;	2688	return unless $self->contr->active;
1818	$self->activate_recursive;
1819		2689
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2691	if ($self->enter_map ($map, $x, $y)) {
1822	}	2692	# entering was successful
1823		2693	delete $self->{_link_recursion};
1824	cf::player->attach (	2694	# only activate afterwards, to support waiting in hooks
1825	on_logout => sub {	2695	$self->activate_recursive;
1826	my ($pl) = @_;
1827
1828	# abort map switching before logout
1829	if ($pl->ob->{_link_pos}) {
1830	cf::sync_job {
1831	$pl->ob->leave_link
1832	};
1833	}
1834	},	2696	}
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2697
1838	# try to abort aborted map switching on player login :)	2698	}
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855		2699
1856	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1857		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1858	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1859		2714
1860	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
		2717
		2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2726
1863	$self->enter_link;	2727	$self->enter_link;
1864		2728
1865	(async {	2729	(async {
		2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
1866	my $map = eval {	2751	my $map = eval {
1867	my $map = cf::map::find $path;	2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
		2757	} else {
		2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760
1869	$map	2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2767	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1874	})->prio (1);	2775	})->prio (1);
1875	}	2776	}
1876		2777
1877	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1878		2779
…		…
1898	}	2799	}
1899		2800
1900	sub prepare_random_map {	2801	sub prepare_random_map {
1901	my ($exit) = @_;	2802	my ($exit) = @_;
1902		2803
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2804	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2805	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2806	# that depends on the exit object
1908		2807
1909	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2810	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2811	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1916	}	2817	}
1917		2818
1918	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1919		2820
1920	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2823	my $meta = "$RANDOMDIR/$md5.meta";
1923		2824
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2827	undef $fh;
1927	aio_rename "$meta~", $meta;	2828	aio_rename "$meta~", $meta;
1928		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1931	}	2836	}
1932	}	2837	}
1933		2838
1934	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
1936		2841
1937	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
1938		2843
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2844	$self->enter_link;
1949		2845
1950	(async {	2846	(async {
1951	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
1952	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
		2856	prepare_random_map $exit
		2857	if $exit->slaying eq "/!";
		2858	}
		2859
		2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
		2863
1953	$self->goto ($slaying, $hp, $sp);	2864	$self->goto ($map, $x, $y);
1954		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
1955	1;	2870	1
1956	}) {	2871	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
1958	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2874	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2876
1962	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
1963	$self->leave_link;	2878	$self->leave_link;
1964	}	2879	}
1965	})->prio (1);	2880	})->prio (1);
1966	}	2881	}
1967		2882
…		…
1978		2893
1979	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
1981		2896
1982	utf8::encode $text;	2897	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2899	}
1985		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
		3088	=item $client->ext_msg ($type, @msg)
		3089
		3090	Sends an ext event to the client.
		3091
		3092	=cut
		3093
		3094	sub cf::client::ext_msg($$@) {
		3095	my ($self, $type, @msg) = @_;
		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
		3100	push @msg, msgtype => "event_$type";
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
		3121	}
1986		3122
1987	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
1988		3124
1989	Queues a query to the client, calling the given callback with	3125	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		3128
1993	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	3130	become reliable at some point in the future.
1995		3131
1996	=cut	3132	=cut
1997		3133
1998	sub cf::client::query {	3134	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	3143	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		3145
2010	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
2012	}	3150	}
2013		3151
2014	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
2015	on_reply => sub {	3158	on_reply => sub {
2016	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
2017		3160
2018	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
2019	# get handled first	3162	# get handled first
…		…
2031	} else {	3174	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	3176	}
2034	}	3177	}
2035	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
2036	);	3205	);
2037		3206
2038	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
2039		3208
2040	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
2056		3225
2057	$coro	3226	$coro
2058	}	3227	}
2059		3228
2060	cf::client->attach (	3229	cf::client->attach (
2061	on_destroy => sub {	3230	on_client_destroy => sub {
2062	my ($ns) = @_;	3231	my ($ns) = @_;
2063		3232
2064	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2065	},	3234	},
2066	);	3235	);
…		…
2081	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
2083		3252
2084	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
2085		3254
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
2087		3260
2088	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
2089		3262
2090	=pod	3263	=pod
2091		3264
2092	The following fucntions and emthods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
2093		3266
2094	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
2095	cf::object::player player	3272	cf::object::player
2096	cf::player peaceful	3273	player
2097	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
2098		3280
2099	=cut	3281	=cut
2100		3282
2101	for (	3283	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
2103	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
2105	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
2106	) {	3290	) {
2107	no strict 'refs';
2108	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
2109	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2110	for @funs;	3293	for @funs;
2111	}	3294	}
2112		3295
…		…
2127		3310
2128	my $qcode = $code;	3311	my $qcode = $code;
2129	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2130	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2131		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2132	local $_;	3318	local $_;
2133	local @safe::cf::_safe_eval_args = values %vars;
2134		3319
2135	my $eval =	3320	my $eval =
2136	"do {\n"	3321	"do {\n"
2137	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2138	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2139	. $code	3324	. $code
2140	. "\n}"	3325	. "\n}"
2141	;	3326	;
2142		3327
		3328	if ($CFG{safe_eval}) {
2143	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2144	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2145	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2146		3337
2147	if ($@) {	3338	if ($@) {
2148	warn "$@";	3339	warn "$@",
2149	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2150	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2151	}	3342	}
2152		3343
2153	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2154	}	3345	}
2155		3346
…		…
2169	=cut	3360	=cut
2170		3361
2171	sub register_script_function {	3362	sub register_script_function {
2172	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2173		3364
2174	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2175	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2176	}	3367	}
2177		3368
2178	=back	3369	=back
2179		3370
2180	=cut	3371	=cut
2181
2182	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253		3372
2254	#############################################################################	3373	#############################################################################
2255	# the server's init and main functions	3374	# the server's init and main functions
2256		3375
2257	sub init_resources {	3376	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3377	my ($path) = @_;
		3378
		3379	# HACK to clear player env face cache, we need some signal framework
		3380	# for this (global event?)
		3381	%ext::player_env::MUSIC_FACE_CACHE = ();
		3382
		3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3384
		3385	trace "loading facedata from $path\n";
		3386
		3387	0 < aio_load $path, my $facedata
		3388	or die "$path: $!";
		3389
		3390	$facedata = Coro::Storable::thaw $facedata;
		3391
		3392	$facedata->{version} == 2
		3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3394
		3395	# patch in the exptable
		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3397	$facedata->{resource}{"res/exp_table"} = {
		3398	type => FT_RSRC,
		3399	data => $exp_table,
		3400	hash => (Digest::MD5::md5 $exp_table),
		3401	};
		3402	cf::cede_to_tick;
		3403
		3404	{
		3405	my $faces = $facedata->{faceinfo};
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3409
		3410	cf::face::set_visibility $idx, $info->{visibility};
		3411	cf::face::set_magicmap $idx, $info->{magicmap};
		3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417
		3418	while (my ($face, $info) = each %$faces) {
		3419	next unless $info->{smooth};
		3420
		3421	my $idx = cf::face::find $face
		3422	or next;
		3423
		3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
		3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3427	} else {
		3428	error "smooth face '$info->{smooth}' not found for face '$face'";
		3429	}
		3430
		3431	cf::cede_to_tick;
		3432	}
		3433	}
		3434
		3435	{
		3436	my $anims = $facedata->{animinfo};
		3437
		3438	while (my ($anim, $info) = each %$anims) {
		3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3440	cf::cede_to_tick;
		3441	}
		3442
		3443	cf::anim::invalidate_all; # d'oh
		3444	}
		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
		3465	1
		3466	}
		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3492	or die "unable to load regions file\n";
2260	}
2261		3493
2262	sub cfg_load {	3494	for (cf::region::list) {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3495	$_->{match} = qr/$_->{match}/
2264	or return;	3496	if exists $_->{match};
		3497	}
		3498	}
2265		3499
2266	local $/;	3500	sub reload_facedata {
		3501	load_facedata "$DATADIR/facedata"
		3502	or die "unable to load facedata\n";
		3503	}
		3504
		3505	sub reload_archetypes {
		3506	load_resource_file "$DATADIR/archetypes"
		3507	or die "unable to load archetypes\n";
		3508	}
		3509
		3510	sub reload_treasures {
		3511	load_resource_file "$DATADIR/treasures"
		3512	or die "unable to load treasurelists\n";
		3513	}
		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
		3538	sub reload_resources {
		3539	trace "reloading resource files...\n";
		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
		3546	reload_regions;
		3547	reload_treasures;
		3548
		3549	trace "finished reloading resource files\n";
		3550	}
		3551
		3552	sub reload_config {
		3553	trace "reloading config file...\n";
		3554
		3555	0 < aio_load "$CONFDIR/config", my $config
		3556	or die "$CONFDIR/config: $!";
		3557
		3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2267	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2268		3562
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2270		3564
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2273		3567
2274	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2278	};	3572	};
2279	warn $@ if $@;	3573	warn $@ if $@;
2280	}	3574	}
2281	}	3575	}
2282		3576
2283	sub init {	3577	sub pidfile() {
2284	init_resources;	3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
2285	}	3603	}
2286		3604
2287	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2288	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3618	(async {
2292	Event::one_event;	3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3621	})->prio (Coro::PRIO_MAX);
2294	};	3622	};
2295		3623
2296	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
		3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
2297	db_init;	3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2298	load_extensions;	3647	load_extensions;
2299		3648
2300	$TICK_WATCHER->start;	3649	utime time, time, $RUNTIMEFILE;
2301	Event::loop;	3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2302	}	3667	}
2303		3668
2304	#############################################################################	3669	#############################################################################
2305	# initialisation and cleanup	3670	# initialisation and cleanup
2306		3671
2307	# install some emergency cleanup handlers	3672	# install some emergency cleanup handlers
2308	BEGIN {	3673	BEGIN {
		3674	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3675	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3677	cf::cleanup "SIG$signal";
2317	},
2318	);	3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
2319	}	3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
2320	}	3768	}
2321		3769
2322	sub emergency_save() {	3770	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3771	my $freeze_guard = cf::freeze_mainloop;
2324		3772
2325	warn "enter emergency perl save\n";	3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
2326		3779
2327	cf::sync_job {	3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
2328	# use a peculiar iteration method to avoid tripping on perl	3783	# use a peculiar iteration method to avoid tripping on perl
2329	# refcount bugs in for. also avoids problems with players	3784	# refcount bugs in for. also avoids problems with players
2330	# and maps saved/destroyed asynchronously.	3785	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3786	info "emergency_perl_save: begin player save\n";
2332	for my $login (keys %cf::PLAYER) {	3787	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3788	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3791	$pl->save;
2336	}	3792	}
2337	warn "end emergency player save\n";	3793	info "emergency_perl_save: end player save\n";
2338		3794
2339	warn "begin emergency map save\n";	3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
2340	for my $path (keys %cf::MAP) {	3798	for my $path (keys %cf::MAP) {
2341	my $map = $cf::MAP{$path} or next;	3799	my $map = $cf::MAP{$path} or next;
2342	$map->valid or next;	3800	$map->valid or next;
2343	$map->save;	3801	$map->save;
2344	}	3802	}
2345	warn "end emergency map save\n";	3803	info "emergency_perl_save: end map save\n";
2346		3804
2347	warn "begin emergency database checkpoint\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3808	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
2350	};	3833	};
2351		3834
2352	warn "leave emergency perl save\n";	3835	info "emergency_perl_save: leave\n";
2353	}	3836	}
2354		3837
2355	sub post_cleanup {	3838	sub post_cleanup {
2356	my ($make_core) = @_;	3839	my ($make_core) = @_;
2357		3840
		3841	IO::AIO::flush;
		3842
2358	warn Carp::longmess "post_cleanup backtrace"	3843	error Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3844	if $make_core;
2360	}
2361		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
		3873	}
		3874
2362	sub reload() {	3875	sub do_reload_perl() {
2363	# can/must only be called in main	3876	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2365	warn "can only reload from main coroutine";	3878	error "can only reload from main coroutine";
2366	return;	3879	return;
2367	}	3880	}
2368		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2369	warn "reloading...";	3888	info "reloading...";
2370		3889
2371	warn "entering sync_job";	3890	trace "entering sync_job";
2372		3891
2373	cf::sync_job {	3892	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark
2375	cf::emergency_save;	3893	#cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark
2377		3894
2378	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;
2380
2381	# if anything goes wrong in here, we should simply crash as we already saved
2382
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387
2388	warn "flushing outstanding aio requests";
2389	for (;;) {
2390	BDB::flush;
2391	IO::AIO::flush;
2392	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";
2395	}
2396
2397	warn "cancelling all extension coros";	3895	trace "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	3897	%EXT_CORO = ();
2400		3898
2401	warn "removing commands";	3899	trace "removing commands";
2402	%COMMAND = ();	3900	%COMMAND = ();
2403		3901
2404	warn "removing ext commands";	3902	trace "removing ext/exti commands";
2405	%EXTCMD = ();	3903	%EXTCMD = ();
		3904	%EXTICMD = ();
2406		3905
2407	warn "unloading/nuking all extensions";	3906	trace "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {	3907	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";	3908	trace "... unloading $pkg";
2410		3909
2411	if (my $cb = $pkg->can ("unload")) {	3910	if (my $cb = $pkg->can ("unload")) {
2412	eval {	3911	eval {
2413	$cb->($pkg);	3912	$cb->($pkg);
2414	1	3913	1
2415	} or warn "$pkg unloaded, but with errors: $@";	3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2416	}	3919	}
2417		3920
2418	warn "... nuking $pkg";
2419	Symbol::delete_package $pkg;
2420	}
2421
2422	warn "unloading all perl modules loaded from $LIBDIR";	3921	trace "unloading all perl modules loaded from $LIBDIR";
2423	while (my ($k, $v) = each %INC) {	3922	while (my ($k, $v) = each %INC) {
2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425		3924
2426	warn "... unloading $k";	3925	trace "... unloading $k";
2427	delete $INC{$k};	3926	delete $INC{$k};
2428		3927
2429	$k =~ s/\.pm$//;	3928	$k =~ s/\.pm$//;
2430	$k =~ s/\//::/g;	3929	$k =~ s/\//::/g;
2431		3930
2432	if (my $cb = $k->can ("unload_module")) {	3931	if (my $cb = $k->can ("unload_module")) {
2433	$cb->();	3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2434	}	3936	}
2435		3937
2436	Symbol::delete_package $k;
2437	}
2438
2439	warn "getting rid of safe::, as good as possible";	3938	trace "getting rid of safe::, as good as possible";
2440	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3941
2443	warn "unloading cf.pm \"a bit\"";	3942	trace "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2445		3945
2446	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3947	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2449		3949
2450	warn "unload completed, starting to reload now";	3950	info "unload completed, starting to reload now";
2451		3951
2452	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2453	require cf;	3953	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2455		3955
2456	warn "loading config and database again";	3956	trace "loading config and database again";
2457	cf::cfg_load;	3957	cf::reload_config;
2458		3958
2459	warn "loading extensions";	3959	trace "loading extensions";
2460	cf::load_extensions;	3960	cf::load_extensions;
2461		3961
		3962	if ($REATTACH_ON_RELOAD) {
2462	warn "reattaching attachments to objects/players";	3963	trace "reattaching attachments to objects/players";
2463	_global_reattach;	3964	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3965	trace "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
		3967	trace "reattaching attachments to players";
		3968	reattach $_ for values %PLAYER;
		3969	}
2466		3970
2467	warn "loading reloadable resources";	3971	trace "running post_init jobs";
2468	init_resources;	3972	(pop @POST_INIT)->(1) while @POST_INIT;
2469		3973
2470	warn "leaving sync_job";	3974	trace "leaving sync_job";
2471		3975
2472	1	3976	1
2473	} or do {	3977	} or do {
2474	warn $@;	3978	error $@;
2475	warn "error while reloading, exiting.";	3979	cf::cleanup "error while reloading, exiting.";
2476	exit 1;	3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
		3984	}
		3985
		3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
		3988	};
		3989
		3990	our $RELOAD_WATCHER; # used only during reload
		3991
		3992	sub reload_perl() {
		3993	# doing reload synchronously and two reloads happen back-to-back,
		3994	# coro crashes during coro_state_free->destroy here.
		3995
		3996	$RELOAD_WATCHER ||= cf::async {
		3997	Coro::AIO::aio_wait cache_extensions;
		3998
		3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4000	do_reload_perl;
		4001	undef $RELOAD_WATCHER;
		4002	};
2477	};	4003	};
2478		4004	}
2479	warn "reloaded";
2480	};
2481
2482	our $RELOAD_WATCHER; # used only during reload
2483		4005
2484	register_command "reload" => sub {	4006	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2486		4008
2487	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	4010	$who->message ("reloading server.");
2489		4011	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	4012	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	4013	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	4014	};
2502	}	4015	}
2503	};	4016	};
2504		4017
2505	unshift @INC, $LIBDIR;	4018	#############################################################################
2506		4019
2507	my $bug_warning = 0;	4020	my $bug_warning = 0;
2508		4021
2509	$TICK_WATCHER = Event->timer (	4022	our @WAIT_FOR_TICK;
2510	reentrant => 0,	4023	our @WAIT_FOR_TICK_BEGIN;
2511	parked => 1,	4024
2512	prio => 0,	4025	sub wait_for_tick() {
2513	at => $NEXT_TICK || $TICK,	4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2514	data => WF_AUTOCANCEL,	4027
2515	cb => sub {	4028	my $signal = new Coro::Signal;
		4029	push @WAIT_FOR_TICK, $signal;
		4030	$signal->wait;
		4031	}
		4032
		4033	sub wait_for_tick_begin() {
		4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4035
		4036	my $signal = new Coro::Signal;
		4037	push @WAIT_FOR_TICK_BEGIN, $signal;
		4038	$signal->wait;
		4039	}
		4040
		4041	sub tick {
2516	if ($Coro::current != $Coro::main) {	4042	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	4044	unless ++$bug_warning > 10;
2519	return;	4045	return;
2520	}	4046	}
2521		4047
2522	$NOW = Event::time;
2523
2524	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		4049
		4050	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4051
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	4054	Coro::async_pool {
		4055	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	4056	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2533	};
2534	}	4058	};
2535
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#
2541
2542	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;
2547	},	4059	}
2548	);	4060
		4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4062	$sig->send;
		4063	}
		4064	while (my $sig = shift @WAIT_FOR_TICK) {
		4065	$sig->send;
		4066	}
		4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
2549		4079
2550	{	4080	{
2551	BDB::max_poll_time $TICK * 0.1;	4081	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	4082
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	4083	BDB::min_parallel 16;
2561		4084	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	4085	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		4086
2577	unless ($DB_ENV) {	4087	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		4094
2580	cf::sync_job {	4095	cf::sync_job {
2581	eval {	4096	eval {
2582	BDB::db_env_open	4097	BDB::db_env_open
2583	$DB_ENV,	4098	$DB_ENV,
2584	$BDB_ENV_DIR,	4099	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	4102	0666;
2588		4103
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	4105	};
2594		4106
2595	cf::cleanup "db_env_open(db): $@" if $@;	4107	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	4108	};
2597	}	4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
2598	}	4120	}
2599		4121
2600	{	4122	{
		4123	# configure IO::AIO
		4124
2601	IO::AIO::min_parallel 8;	4125	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	4126	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	4127	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	4128	}
		4129
		4130	my $_log_backtrace;
		4131
		4132	sub _log_backtrace {
		4133	my ($msg, @addr) = @_;
		4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
		4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2614		4175
2615	END { cf::emergency_save }	4176	END { cf::emergency_save }
2616		4177
2617	1	4178	1
2618		4179

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