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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	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
142	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
143	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.
144	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.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	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	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		300
169	# 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
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$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;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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;
		374	}
		375
223	=item cf::lock_wait $string	376	=item cf::lock_wait $string
224		377
225	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
226		379
227	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
228		381
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
232	returned.	385	returned.
233		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
234	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
235	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
236		392
237	=cut	393	=item $locked = cf::lock_active $string
238		394
239	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
240		400
241	sub lock_wait($) {	401	sub lock_wait($) {
242	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	403	}
250		404
251	sub lock_acquire($) {	405	sub lock_acquire($) {
252	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
253		408
254	# wait, to be sure we are not locked	409	sub lock_active($) {
255	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	411	}
264		412
265	sub freeze_mainloop {	413	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
267		415
268	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
270	};	483	}
271	$TICK_WATCHER->stop;	484	};
272	$guard	485
		486	sub get_slot($;$$) {
		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	$sig->wait;
273	}	499	}
274		500
275	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
276		502
277	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		508
283	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
284		510
285	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
286		512
287	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
290		517
291	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
294	fast or be very important.	521	fast or be very important.
…		…
296	=cut	523	=cut
297		524
298	sub sync_job(&) {	525	sub sync_job(&) {
299	my ($job) = @_;	526	my ($job) = @_;
300		527
301	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
302	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
304		533
305	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	535
307	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
308		537
309	my $busy = 1;	538	my $busy = 1;
310	my @res;	539	my @res;
311		540
312	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	543	@res = eval { $job->() };
314	warn $@ if $@;	544	error $@ if $@;
315	undef $busy;	545	undef $busy;
316	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
317		547
318	while ($busy) {	548	while ($busy) {
319	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
320	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
321		559
322	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
323	} else {	561	} else {
324	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
325		563
…		…
345	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
346		584
347	$coro	585	$coro
348	}	586	}
349		587
350	sub write_runtime {	588	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		589
353	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.
354		594
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
356	or return;
357		596
358	my $value = $cf::RUNTIME + 90 + 10;	597	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	598	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		599
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	600	# we seemingly have to make a local copy of the whole thing,
363	and return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
364		603
365	# always fsync - this file is important	604	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	605	reset_signals;
367	and return;	606	&$cb
		607	}, @args;
368		608
369	close $fh	609	wantarray ? @res : $res[-1]
370	or return;	610	}
371		611
372	aio_rename "$runtime~", $runtime	612	sub objinfo {
373	and return;
374
375	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
		777	}
		778
		779	=item cf::datalog type => key => value, ...
		780
		781	Log a datalog packet of the given type with the given key-value pairs.
		782
		783	=cut
		784
		785	sub datalog($@) {
		786	my ($type, %kv) = @_;
		787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	788	}
377		789
378	=back	790	=back
379		791
380	=cut	792	=cut
381		793
382	#############################################################################	794	#############################################################################
383		795
384	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
385		797
386	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
389		801
390	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	804	Deliantra).
393		805
394	=over 4	806	=over 4
395		807
396	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
397		809
…		…
441	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
442		854
443	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
445		857
446	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
448		860
449	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
450		862
451	=over 4	863	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
561		973
562	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		978
567	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	980	my $pkg = shift @arg;
569		981
570	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
575		987
576	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		990
579	} elsif (ref $type) {	991	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
581		993
582	} else {	994	} else {
583	shift @arg;	995	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
585	}	997	}
586	}	998	}
587	}	999	}
588		1000
589	sub _object_attach {	1001	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
600	}	1012	}
601		1013
602	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
603	} else {	1015	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1017	}
606		1018
607	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
608	}	1020	}
609		1021
…		…
611	if (ref $_[0]) {	1023	if (ref $_[0]) {
612	_object_attach @_;	1024	_object_attach @_;
613	} else {	1025	} else {
614	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
615	}	1027	}
		1028	_recalc_want;
616	};	1029	};
617		1030
618	# all those should be optimised	1031	# all those should be optimised
619	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1037	reattach ($obj);
625	} else {	1038	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
627	}	1040	}
		1041	_recalc_want;
628	};	1042	};
629		1043
630	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
632		1046
…		…
647	";	1061	";
648	die if $@;	1062	die if $@;
649	}	1063	}
650		1064
651	our $override;	1065	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1067
654	sub override {	1068	sub override {
655	$override = 1;	1069	$override = 1;
656	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
657	}	1071	}
658		1072
659	sub do_invoke {	1073	sub do_invoke {
660	my $event = shift;	1074	my $event = shift;
661	my $callbacks = shift;	1075	my $callbacks = shift;
662		1076
663	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
664		1078
665	local $override;	1079	local $override;
666		1080
667	for (@$callbacks) {	1081	for (@$callbacks) {
668	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
669		1083
670	if ($@) {	1084	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1086	override;
674	}	1087	}
675		1088
676	return 1 if $override;	1089	return 1 if $override;
677	}	1090	}
678		1091
679	0	1092	0
680	}	1093	}
681		1094
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1096
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1098
686	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
687		1100
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1104
692	=back	1105	=back
693		1106
694	=cut	1107	=cut
695		1108
696	#############################################################################	1109	#############################################################################
697	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
698		1153
699	sub reattach {	1154	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1156	my ($obj) = @_;
702		1157
		1158	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1160
705	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
706		1162
707	@$registry = ();	1163	@$registry = ();
708		1164
…		…
713	for (@$attach) {	1169	for (@$attach) {
714	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
716	}	1172	}
717	} else {	1173	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1175	}
720	}	1176	}
721	}	1177	}
722		1178
723	cf::attachable->attach (	1179	cf::attachable->attach (
724	prio => -1000000,	1180	prio => -1000000,
725	on_instantiate => sub {	1181	on_instantiate => sub {
726	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
727		1183
728	$data = from_json $data;	1184	$data = decode_json $data;
729		1185
730	for (@$data) {	1186	for (@$data) {
731	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
732		1188
733	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1205	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
751		1207
752	sync_job {	1208	sync_job {
753	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
756		1214
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
761	close $fh;	1222	aio_close $fh;
762		1223
763	if (@$objs) {	1224	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
769	close $fh;	1233	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
771	}	1235	}
772	} else {	1236	} else {
773	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
774	}	1238	}
775		1239
776	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1244	} else {
778	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
779	}	1246	}
780	} else {	1247	} else {
781	aio_unlink $filename;	1248	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
783	}	1250	}
784	}	1251	};
785	}	1252	}
786		1253
787	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
789		1256
…		…
801	or return;	1268	or return;
802		1269
803	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
805	or return;	1272	or return;
		1273
806	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
807	}	1276	}
808		1277
		1278	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
811	return ($data, $av);	1283	($data, $av)
812	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
813		1291
814	#############################################################################	1292	#############################################################################
815	# command handling &c	1293	# command handling &c
816		1294
817	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1309	}
832		1310
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1312
835	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
836		1318
837	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
838	called.	1320	called.
839		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
840	=cut	1333	=cut
841		1334
842	sub register_extcmd {	1335	sub register_extcmd {
843	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
844		1337
845	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
846	}	1339	}
847		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
848	cf::player->attach (	1349	cf::player->attach (
849	on_command => sub {	1350	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
851		1352
852	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
853	or return;	1354	or return;
854		1355
…		…
859	cf::override;	1360	cf::override;
860	},	1361	},
861	on_extcmd => sub {	1362	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
863		1364
864	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1366
866	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
872	} else {	1382	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1384	}
875		1385
876	cf::override;	1386	cf::override;
877	},	1387	},
878	);	1388	);
879		1389
		1390	# "readahead" all extensions
880	sub load_extension {	1391	sub cache_extensions {
881	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
882		1393
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1397	}
908	die $@;
909	}	1398	};
910		1399
911	push @EXTS, $pkg;	1400	$grp
912	}	1401	}
913		1402
914	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
915	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1410	next unless -r $path;
917	eval {	1411
918	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
919	1	1475	}
920	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
921	}	1486	};
922	}	1487	}
923		1488
924	#############################################################################	1489	#############################################################################
925		1490
		1491	=back
		1492
926	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
927		1494
928	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
929		1496
930	=cut	1497	=cut
931		1498
932	package cf::player;	1499	package cf::player;
933		1500
…		…
935		1502
936	=head3 cf::player	1503	=head3 cf::player
937		1504
938	=over 4	1505	=over 4
939		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
		1520
940	=item cf::player::find $login	1521	=item cf::player::find $login
941		1522
942	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
943		1524
944	=cut	1525	=cut
945		1526
946	sub playerdir($) {	1527	sub playerdir($) {
947	cf::localdir	1528	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1530	}
953		1531
954	sub path($) {	1532	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1534
957	(playerdir $login) . "/$login.pl"	1535	(playerdir $login) . "/playerdata"
958	}	1536	}
959		1537
960	sub find_active($) {	1538	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1539	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1540	and $cf::PLAYER{$_[0]}->active
…		…
965		1543
966	sub exists($) {	1544	sub exists($) {
967	my ($login) = @_;	1545	my ($login) = @_;
968		1546
969	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
971	}	1549	}
972		1550
973	sub find($) {	1551	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1553	my $login = $_[0];
976		1554
977	my $guard = cf::lock_acquire "user_find:$login";	1555	my $guard = cf::lock_acquire "user_find:$login";
978		1556
979	$cf::PLAYER{$_[0]} || do {	1557	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1558	# rename old playerfiles to new ones
		1559	#TODO: remove when no longer required
		1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1563	aio_unlink +(playerdir $login) . "/$login.pl";
		1564
		1565	my $f = new_from_file cf::object::thawer path $login
981	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
983	}	1574	}
984	}	1575	}
985	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
986		1590
987	sub save($) {	1591	sub save($) {
988	my ($pl) = @_;	1592	my ($pl) = @_;
989		1593
990	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
996		1600
997	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
999		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1000	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1001	Coro::cede;	1610	cf::cede_to_tick;
1002	}	1611	}
1003		1612
1004	sub new($) {	1613	sub new($) {
1005	my ($login) = @_;	1614	my ($login) = @_;
1006		1615
…		…
1012	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1013		1622
1014	$self	1623	$self
1015	}	1624	}
1016		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1017	=item $pl->quit_character	1636	=item $pl->quit_character
1018		1637
1019	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1021		1640
…		…
1025	my ($pl) = @_;	1644	my ($pl) = @_;
1026		1645
1027	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1028		1647
1029	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1650
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1036		1656
1037	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1069		1689
1070	=cut	1690	=cut
1071		1691
1072	sub list_logins {	1692	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1694	or return [];
1075		1695
1076	my @logins;	1696	my @logins;
1077		1697
1078	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1082		1708
1083	utf8::decode $login;	1709	utf8::decode $login;
1084	push @logins, $login;	1710	push @logins, $login;
1085	}	1711	}
1086		1712
1087	\@logins	1713	\@logins
1088	}	1714	}
1089		1715
1090	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1091		1719
1092	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1093	player. May block.	1721	player. May block.
1094		1722
1095	=cut	1723	=cut
…		…
1113	}	1741	}
1114		1742
1115	\@paths	1743	\@paths
1116	}	1744	}
1117		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1119		1751
1120	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1121		1753
1122	=cut	1754	=cut
1123		1755
1124	sub ext_reply($$$%) {	1756	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1126		1758
1127	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1760	}
1131		1761
1132	package cf;	1762	=item $player->ext_msg ($type, @msg)
		1763
		1764	Sends an ext event to the client.
		1765
		1766	=cut
		1767
		1768	sub ext_msg($$@) {
		1769	my ($self, $type, @msg) = @_;
		1770
		1771	$self->ns->ext_msg ($type, @msg);
		1772	}
		1773
		1774	=head3 cf::region
		1775
		1776	=over 4
		1777
		1778	=cut
		1779
		1780	package cf::region;
		1781
		1782	=item cf::region::find_by_path $path
		1783
		1784	Tries to decuce the likely region for a map knowing only its path.
		1785
		1786	=cut
		1787
		1788	sub find_by_path($) {
		1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
		1793	my ($match, $specificity);
		1794
		1795	for my $region (list) {
		1796	if ($region->{match} && $path =~ $region->{match}) {
		1797	($match, $specificity) = ($region, $region->specificity)
		1798	if $region->specificity > $specificity;
		1799	}
		1800	}
		1801
		1802	$match
		1803	}
1133		1804
1134	=back	1805	=back
1135
1136		1806
1137	=head3 cf::map	1807	=head3 cf::map
1138		1808
1139	=over 4	1809	=over 4
1140		1810
…		…
1152	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1154		1824
1155	sub generate_random_map {	1825	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1157	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1831	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1180		1853
1181	sub register {	1854	sub register {
1182	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1856	my $pkg = caller;
1184		1857
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1859
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1861	}
1190		1862
1191	# also paths starting with '/'	1863	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1865
1194	sub thawer_merge {	1866	sub thawer_merge {
1195	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1196		1868
1197	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1198	local $self->{path};	1870	local $self->{path};
1199	local $self->{load_path};	1871	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1872
1203	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1204	}	1874	}
1205		1875
1206	sub normalise {	1876	sub normalise {
1207	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1208		1878
1209	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1210		1880
1211	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1212		1882
1213	# map plan:	1883	# map plan:
1214	#	1884	#
…		…
1253	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1254	return $self;	1924	return $self;
1255	}	1925	}
1256	}	1926	}
1257		1927
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1929	()
1260	}	1930	}
1261		1931
1262	sub init {	1932	sub init {
1263	my ($self) = @_;	1933	my ($self) = @_;
…		…
1278		1948
1279	# the original (read-only) location	1949	# the original (read-only) location
1280	sub load_path {	1950	sub load_path {
1281	my ($self) = @_;	1951	my ($self) = @_;
1282		1952
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1284	}	1954	}
1285		1955
1286	# the temporary/swap location	1956	# the temporary/swap location
1287	sub save_path {	1957	sub save_path {
1288	my ($self) = @_;	1958	my ($self) = @_;
1289		1959
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1292	}	1962	}
1293		1963
1294	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1295	sub uniq_path {	1965	sub uniq_path {
1296	my ($self) = @_;	1966	my ($self) = @_;
1297		1967
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1300	}	1970	}
1301		1971
1302	# and all this just because we cannot iterate over	1972	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	1973	my ($self) = @_;
1306		1974
1307	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1309	}	1978	}
1310		1979
1311	sub unlink_save {	1980	sub unlink_save {
1312	my ($self) = @_;	1981	my ($self) = @_;
1313		1982
…		…
1318		1987
1319	sub load_header_from($) {	1988	sub load_header_from($) {
1320	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1321		1990
1322	utf8::encode $path;	1991	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1328		2000
1329	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1330		2002
1331	1	2003	1
1332	}	2004	}
…		…
1371	$self->load_header_orig	2043	$self->load_header_orig
1372	or return;	2044	or return;
1373	$self->prepare_orig;	2045	$self->prepare_orig;
1374	}	2046	}
1375		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
		2051	$self->default_region (cf::region::find_by_path $self->{path})
		2052	unless $self->default_region;
		2053
1376	1	2054	1
1377	}	2055	}
1378		2056
1379	sub find;	2057	sub find;
1380	sub find {	2058	sub find {
1381	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1382		2060
		2061	cf::cede_to_tick;
		2062
1383	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1384		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2067
1387	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1390	or return;	2070	or return;
1391		2071
1392	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1393		2073
1394	$map->load_header	2074	$map->load_header
1395	or return;	2075	or return;
1396		2076
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1400	$map->reset;	2082	$map->reset;
1401	undef $guard;
1402	return find $path;	2083	return find $path;
1403	}	2084	}
1404		2085
1405	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1406	}	2087	}
1407	}	2088	}
1408		2089
1409	sub pre_load { }	2090	sub pre_load { }
1410	sub post_load { }	2091	#sub post_load { } # XS
1411		2092
1412	sub load {	2093	sub load {
1413	my ($self) = @_;	2094	my ($self) = @_;
1414		2095
1415	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1416		2097
1417	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1419		2102
		2103	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2105
1422	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1423		2107
1424	$self->alloc;	2108	$self->alloc;
1425		2109
1426	$self->pre_load;	2110	$self->pre_load;
		2111	cf::cede_to_tick;
1427		2112
1428	$self->_load_objects ($self->{load_path}, 1)	2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
		2115	$self->_load_objects ($f)
1429	or return;	2116	or return;
1430		2117
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1432	if delete $self->{load_original};	2119	if delete $self->{load_original};
1433		2120
1434	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2122	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2125	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1439	}	2129	}
1440	}	2130	}
1441		2131
1442	Coro::cede;	2132	$f->resolve_delayed_derefs;
1443		2133
		2134	cf::cede_to_tick;
1444	# now do the right thing for maps	2135	# now do the right thing for maps
1445	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2138	unless $self->difficulty;
1455	Coro::cede;	2139	cf::cede_to_tick;
		2140
		2141	unless ($self->{deny_activate}) {
		2142	$self->decay_objects;
		2143	$self->fix_auto_apply;
		2144	$self->update_buttons;
		2145	cf::cede_to_tick;
1456	$self->activate;	2146	$self->activate;
		2147	}
		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
		2152	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2153	}
1458		2154
1459	$self->post_load;	2155	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2156	}
1463		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2161	sub customise_for {
1465	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1466		2163
1467	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2165	if $self->per_player;
1469		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1470	$self	2170	$self
1471	}	2171	}
1472		2172
1473	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2174	sub load_neighbours {
1475	my ($map) = @_;	2175	my ($map) = @_;
1476		2176
1477	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1478		2178
1479	for (0 .. 3) {	2179	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1481	or next;	2181	or next;
1482	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1483	or next;	2183	or next;
1484	$neigh->load;	2184	$neigh->load;
1485		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2190	}
1489		2191
1490	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1492	or next;	2195	or next;
1493	$neigh->load;	2196	$neigh->load;
1494	}	2197	}
1495	}	2198	}
1496		2199
1497	sub find_sync {	2200	sub find_sync {
1498	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1499		2202
1500	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1501	}	2207	}
1502		2208
1503	sub do_load_sync {	2209	sub do_load_sync {
1504	my ($map) = @_;	2210	my ($map) = @_;
1505		2211
1506	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1507	}	2216	}
1508		2217
1509	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1511		2220
1512	sub find_async {	2221	sub find_async {
1513	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1514		2223
1515	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1516		2225
1517	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2228	}
1520		2229
1521	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1522	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1523	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2237	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2238	$map->load if $v;
		2239	}
1528		2240
1529	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1530	}	2242	}
1531	}	2243	}
1532	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1533	};	2245	};
1534	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1535		2247
1536	()	2248	()
1537	}	2249	}
1538		2250
		2251	# common code, used by both ->save and ->swapout
1539	sub save {	2252	sub _save {
1540	my ($self) = @_;	2253	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2254
1544	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1545		2256
1546	return unless $self->dirty;	2257	return unless $self->dirty;
1547		2258
…		…
1553	return if $self->{deny_save};	2264	return if $self->{deny_save};
1554		2265
1555	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1556		2267
1557	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1559	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1560		2274
1561	if ($uniq) {	2275	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2278	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2280	}
1567	}	2281	}
1568		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1569	sub swap_out {	2291	sub swap_out {
1570	my ($self) = @_;	2292	my ($self) = @_;
1571		2293
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1577	return if $self->players;	2298	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1581	$self->clear;	2309	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2310	}
1584		2311
1585	sub reset_at {	2312	sub reset_at {
1586	my ($self) = @_;	2313	my ($self) = @_;
1587		2314
1588	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1591		2317
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2320
…		…
1605	my ($self) = @_;	2331	my ($self) = @_;
1606		2332
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2334
1609	return if $self->players;	2335	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2336
1612	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1613		2338
1614	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1615		2340
1616	# need to save uniques path	2341	# need to save uniques path
1617	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2346	if $uniq;
1622	}	2347	}
1623		2348
1624	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1625		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2353	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2354
1630	$self->unlink_save;	2355	$self->unlink_save;
1631	$self->destroy;	2356	$self->destroy;
1632	}	2357	}
1633		2358
1634	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1635		2360
1636	sub nuke {	2361	sub nuke {
1637	my ($self) = @_;	2362	my ($self) = @_;
1638		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1639	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1640		2368
1641	$self->unlink_save;	2369	$self->unlink_save;
1642		2370
1643	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2376
1649	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1650		2379
1651	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1652	}	2417	}
1653		2418
1654	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1655		2420
1656	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2422	instantiated unique items. May block.
1658		2423
1659	=cut	2424	=cut
1660		2425
1661	sub unique_maps() {	2426	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1663	or return;	2428	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2429	utf8::decode $_;
1669	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2432	? ()
1672	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2435	]
1674
1675	\@paths
1676	}	2436	}
1677		2437
1678	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1679		2469
1680	=back	2470	=back
1681		2471
1682	=head3 cf::object	2472	=head3 cf::object
1683		2473
…		…
1687		2477
1688	=over 4	2478	=over 4
1689		2479
1690	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1691		2481
1692	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1693		2484
1694	=cut	2485	=cut
1695		2486
1696	sub inv_recursive_;	2487	sub inv_recursive_;
1697	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1700		2491
1701	sub inv_recursive {	2492	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1703	}	2494	}
1704		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1705	package cf;	2524	package cf;
1706		2525
1707	=back	2526	=back
1708		2527
1709	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1718		2537
1719	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1720		2553
1721	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2555	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1726		2559
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2561
1729	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1731	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1734	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1735	}	2587	}
1736		2588
1737	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1738		2590
1739	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1752		2604
1753	=item $player_object->enter_link	2605	=item $player_object->enter_link
1754		2606
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2608
1757	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1759		2613
1760	Will never block.	2614	Will never block.
1761		2615
1762	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1763		2617
…		…
1783	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2638	my ($self) = @_;
1785		2639
1786	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1787		2641
		2642	++$self->{_link_recursion};
		2643
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2645
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1792		2648
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2650	}
1795		2651
1796	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1798		2656
1799	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1800		2658
1801	unless ($map) {	2659	unless ($map) {
1802	# restore original map position	2660	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1815		2673
1816	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1819		2677
1820	$map->load;	2678	$map->load;
1821	$map->load_diag;	2679	$map->load_neighbours;
1822		2680
1823	return unless $self->contr->active;	2681	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2682
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1828	}	2685	# entering was successful
1829		2686	delete $self->{_link_recursion};
1830	cf::player->attach (	2687	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2688	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2689	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2690
1844	# try to abort aborted map switching on player login :)	2691	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2692
1862	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2694
		2695	Moves the player to the given map-path and coordinates by first freezing
		2696	her, loading and preparing them map, calling the provided $check callback
		2697	that has to return the map if sucecssful, and then unfreezes the player on
		2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1864	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1865		2707
1866	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2719
1869	$self->enter_link;	2720	$self->enter_link;
1870		2721
1871	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1872	my $map = eval {	2744	my $map = eval {
1873	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2748	$map = $map->customise_for ($self);
		2749	$map = $check->($map, $x, $y, $self) if $check && $map;
		2750	} else {
		2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	}
		2753
1875	$map	2754	$map
		2755	};
		2756
		2757	if ($@) {
		2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2760	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1880	})->prio (1);	2768	})->prio (1);
1881	}	2769	}
1882		2770
1883	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1884		2772
…		…
1904	}	2792	}
1905		2793
1906	sub prepare_random_map {	2794	sub prepare_random_map {
1907	my ($exit) = @_;	2795	my ($exit) = @_;
1908		2796
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2799	# that depends on the exit object
1914		2800
1915	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2803	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1922	}	2810	}
1923		2811
1924	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1925		2813
1926	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1929		2817
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2820	undef $fh;
1933	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1934		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1937	}	2829	}
1938	}	2830	}
1939		2831
1940	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
1942		2834
1943	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
1944		2836
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2837	$self->enter_link;
1955		2838
1956	(async {	2839	(async {
1957	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
1958	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
1959	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
1960		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
1961	1;	2863	1
1962	}) {	2864	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2869
1968	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2871	$self->leave_link;
1970	}	2872	}
1971	})->prio (1);	2873	})->prio (1);
1972	}	2874	}
1973		2875
…		…
1987		2889
1988	utf8::encode $text;	2890	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2892	}
1991		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
		3081	=item $client->ext_msg ($type, @msg)
		3082
		3083	Sends an ext event to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_msg($$@) {
		3088	my ($self, $type, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
		3093	push @msg, msgtype => "event_$type";
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
		3114	}
1992		3115
1993	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
1994		3117
1995	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3121
1999	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3123	become reliable at some point in the future.
2001		3124
2002	=cut	3125	=cut
2003		3126
2004	sub cf::client::query {	3127	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3136	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3138
2016	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2018	}	3143	}
2019		3144
2020	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2021	on_reply => sub {	3151	on_reply => sub {
2022	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2023		3153
2024	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2025	# get handled first	3155	# get handled first
…		…
2037	} else {	3167	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3169	}
2040	}	3170	}
2041	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2042	);	3198	);
2043		3199
2044	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2045		3201
2046	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3218
2063	$coro	3219	$coro
2064	}	3220	}
2065		3221
2066	cf::client->attach (	3222	cf::client->attach (
2067	on_destroy => sub {	3223	on_client_destroy => sub {
2068	my ($ns) = @_;	3224	my ($ns) = @_;
2069		3225
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3227	},
2072	);	3228	);
…		…
2087	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2089		3245
2090	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2091		3247
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2093		3253
2094	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2095		3255
2096	=pod	3256	=pod
2097		3257
2098	The following fucntions and emthods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2099		3259
2100	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2101	cf::object::player player	3265	cf::object::player
2102	cf::player peaceful	3266	player
2103	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2104		3273
2105	=cut	3274	=cut
2106		3275
2107	for (	3276	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2112	) {	3283	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3286	for @funs;
2117	}	3287	}
2118		3288
…		…
2133		3303
2134	my $qcode = $code;	3304	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2137		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2138	local $_;	3311	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3312
2141	my $eval =	3313	my $eval =
2142	"do {\n"	3314	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3317	. $code
2146	. "\n}"	3318	. "\n}"
2147	;	3319	;
2148		3320
		3321	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2152		3330
2153	if ($@) {	3331	if ($@) {
2154	warn "$@";	3332	warn "$@",
2155	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2157	}	3335	}
2158		3336
2159	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2160	}	3338	}
2161		3339
…		…
2175	=cut	3353	=cut
2176		3354
2177	sub register_script_function {	3355	sub register_script_function {
2178	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2179		3357
2180	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2182	}	3360	}
2183		3361
2184	=back	3362	=back
2185		3363
2186	=cut	3364	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3365
2260	#############################################################################	3366	#############################################################################
2261	# the server's init and main functions	3367	# the server's init and main functions
2262		3368
2263	sub load_faces {	3369	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3370	my ($path) = @_;
2265		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2266	warn "loading faces from $path\n";	3378	trace "loading facedata from $path\n";
2267		3379
2268	my $faces;
2269	0 < aio_load $path, $faces	3380	0 < aio_load $path, my $facedata
2270	or die "$path: $!";	3381	or die "$path: $!";
2271		3382
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3383	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3384
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3385	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
		3397	{
		3398	my $faces = $facedata->{faceinfo};
		3399
2280	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3402
		3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3407
		3408	cf::cede_to_tick;
		3409	}
		3410
2287	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2289	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
		3415	or next;
		3416
		3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
		3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3420	} else {
		3421	error "smooth face '$info->{smooth}' not found for face '$face'";
		3422	}
		3423
		3424	cf::cede_to_tick;
		3425	}
		3426	}
		3427
		3428	{
		3429	my $anims = $facedata->{animinfo};
		3430
		3431	while (my ($anim, $info) = each %$anims) {
		3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	cf::anim::invalidate_all; # d'oh
		3437	}
		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
		3458	1
		3459	}
		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
		3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
		3484	load_resource_file "$MAPDIR/regions"
		3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
		3491	}
		3492
		3493	sub reload_facedata {
		3494	load_facedata "$DATADIR/facedata"
		3495	or die "unable to load facedata\n";
		3496	}
		3497
		3498	sub reload_archetypes {
		3499	load_resource_file "$DATADIR/archetypes"
		3500	or die "unable to load archetypes\n";
		3501	}
		3502
		3503	sub reload_treasures {
		3504	load_resource_file "$DATADIR/treasures"
		3505	or die "unable to load treasurelists\n";
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
2290	or next;	3518	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
2300	}	3529	}
2301		3530
2302	sub reload_resources {	3531	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3532	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3533
		3534	reload_exp_table;
		3535	reload_materials;
2305	load_faces	3536	reload_facedata;
2306	or die "unable to load faces\n";#d#	3537	reload_sound;
2307	}	3538	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3539	reload_regions;
2311	}	3540	reload_treasures;
2312		3541
2313	sub cfg_load {	3542	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3543	}
2315	or return;
2316		3544
2317	local $/;	3545	sub reload_config {
		3546	trace "reloading config file...\n";
		3547
		3548	0 < aio_load "$CONFDIR/config", my $config
		3549	or die "$CONFDIR/config: $!";
		3550
		3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2318	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2319		3555
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3557
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3560
2325	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2329	};	3565	};
2330	warn $@ if $@;	3566	warn $@ if $@;
2331	}	3567	}
2332	}	3568	}
2333		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2334	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2335	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3611	(async {
2339	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2341	};	3615	};
2342		3616
2343	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2344	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2345	load_extensions;	3640	load_extensions;
2346		3641
2347	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2349	}	3660	}
2350		3661
2351	#############################################################################	3662	#############################################################################
2352	# initialisation and cleanup	3663	# initialisation and cleanup
2353		3664
2354	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2355	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2364	},
2365	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2366	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2367	}	3761	}
2368		3762
2369	sub emergency_save() {	3763	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2371		3765
2372	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2373		3772
2374	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2375	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3784	$pl->save;
2383	}	3785	}
2384	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2385		3787
2386	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3793	$map->valid or next;
2390	$map->save;	3794	$map->save;
2391	}	3795	}
2392	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2393		3797
2394	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3826	};
2398		3827
2399	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2400	}	3829	}
2401		3830
2402	sub post_cleanup {	3831	sub post_cleanup {
2403	my ($make_core) = @_;	3832	my ($make_core) = @_;
2404		3833
		3834	IO::AIO::flush;
		3835
2405	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3837	if $make_core;
2407	}
2408		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2409	sub reload() {	3868	sub do_reload_perl() {
2410	# can/must only be called in main	3869	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2412	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2413	return;	3872	return;
2414	}	3873	}
2415		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2416	warn "reloading...";	3881	info "reloading...";
2417		3882
2418	warn "entering sync_job";	3883	trace "entering sync_job";
2419		3884
2420	cf::sync_job {	3885	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3886	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3887
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3890	%EXT_CORO = ();
2449		3891
2450	warn "removing commands";	3892	trace "removing commands";
2451	%COMMAND = ();	3893	%COMMAND = ();
2452		3894
2453	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2454	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2455		3898
2456	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2459		3902
2460	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3904	eval {
2462	$cb->($pkg);	3905	$cb->($pkg);
2463	1	3906	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2465	}	3912	}
2466		3913
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3917
2475	warn "... unloading $k";	3918	trace "... unloading $k";
2476	delete $INC{$k};	3919	delete $INC{$k};
2477		3920
2478	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2480		3923
2481	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2483	}	3929	}
2484		3930
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3934
2492	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3938
2495	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3940	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2498		3942
2499	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2500		3944
2501	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2502	require cf;	3946	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2504		3948
2505	warn "loading config and database again";	3949	trace "loading config and database again";
2506	cf::cfg_load;	3950	cf::reload_config;
2507		3951
2508	warn "loading extensions";	3952	trace "loading extensions";
2509	cf::load_extensions;	3953	cf::load_extensions;
2510		3954
		3955	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2517		3963
2518	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2519	reload_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3966
2521	warn "leaving sync_job";	3967	trace "leaving sync_job";
2522		3968
2523	1	3969	1
2524	} or do {	3970	} or do {
2525	warn $@;	3971	error $@;
2526	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2528	};	3996	};
2529		3997	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3998
2535	register_command "reload" => sub {	3999	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2537		4001
2538	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2540		4004	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4006	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4007	};
2553	}	4008	}
2554	};	4009	};
2555		4010
2556	unshift @INC, $LIBDIR;	4011	#############################################################################
2557		4012
2558	my $bug_warning = 0;	4013	my $bug_warning = 0;
2559		4014
2560	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4017
2563	prio => 0,	4018	sub wait_for_tick() {
2564	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4020
2566	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin() {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2567	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2570	return;	4038	return;
2571	}	4039	}
2572		4040
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4042
		4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4044
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4049	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4051	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4052	}
2599	);	4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
2600		4072
2601	{	4073	{
2602	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4075
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2612		4077	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4079
2628	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4087
2631	cf::sync_job {	4088	cf::sync_job {
2632	eval {	4089	eval {
2633	BDB::db_env_open	4090	BDB::db_env_open
2634	$DB_ENV,	4091	$DB_ENV,
2635	$BDB_ENV_DIR,	4092	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4095	0666;
2639		4096
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4098	};
2645		4099
2646	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4101	};
2648	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2649	}	4113	}
2650		4114
2651	{	4115	{
		4116	# configure IO::AIO
		4117
2652	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4121	}
		4122
		4123	my $_log_backtrace;
		4124
		4125	sub _log_backtrace {
		4126	my ($msg, @addr) = @_;
		4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
		4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2665		4168
2666	END { cf::emergency_save }	4169	END { cf::emergency_save }
2667		4170
2668	1	4171	1
2669		4172

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