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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 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 3.61 ();	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;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		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;
58		118
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	121	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		130
70	our %CFG;	131	our %CFG;
71		132
72	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
74		136
75	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		140
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		153
84	binmode STDOUT;	154	binmode STDOUT;
85	binmode STDERR;	155	binmode STDERR;
86		156
87	# read virtual server time, if available	157	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
92	}	162	}
93		163
94	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	165
96	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		168
101	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
102		170
103	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::"} };
104		187
105	#############################################################################	188	#############################################################################
106		189
107	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
108		191
…		…
115	=item $cf::RUNTIME	198	=item $cf::RUNTIME
116		199
117	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
118	every server tick.	201	every server tick.
119		202
120	=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
121		206
122	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		211
125	=item $cf::NOW	212	=item $cf::NOW
126		213
127	The time of the last (current) server tick.	214	The time of the last (current) server tick.
128		215
129	=item $cf::TICK	216	=item $cf::TICK
130		217
131	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	230	=item %cf::CFG
134		231
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	233	from wherever your confdir points to.
137		234
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		236
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		257
144	=back	258	=back
145		259
146	=cut	260	=cut
147		261
148	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	269	my $msg = join "", @_;
151	utf8::encode $msg;
152		270
153	$msg .= "\n"	271	$msg .= "\n"
154	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
155		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
156	LOG llevError, $msg;	276	LOG llevWarn, $msg;
157	};	277	};
158	}	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	};
159		292
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		300
167	# 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
168	# within the Safe compartment.	302	# within the Safe compartment.
169	for my $pkg (qw(	303	for my $pkg (qw(
170	cf::global cf::attachable	304	cf::global cf::attachable
171	cf::object cf::object::player	305	cf::object cf::object::player
172	cf::client cf::player	306	cf::client cf::player
173	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
174	cf::map cf::party cf::region	309	cf::party cf::region
175	)) {	310	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	312	}
179		313
180	$Event::DIED = sub {	314	$EV::DIED = sub {
181	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
182	};	316	};
		317
		318	#############################################################################
183		319
184	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
185		321
186	=over 4	322	=over 4
187		323
…		…
206	$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;
207	$d	343	$d
208	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
209	}	345	}
210		346
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
214		348
215	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
216		350
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	376	=item cf::lock_wait $string
222		377
223	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
224		379
225	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
226		381
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
230	returned.	385	returned.
231		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
232	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
233	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
234		392
235	=cut	393	=item $locked = cf::lock_active $string
236		394
237	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
238		400
239	sub lock_wait($) {	401	sub lock_wait($) {
240	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	403	}
248		404
249	sub lock_acquire($) {	405	sub lock_acquire($) {
250	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
251		408
252	# wait, to be sure we are not locked	409	sub lock_active($) {
253	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	411	}
262		412
263	sub freeze_mainloop {	413	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
265		415
266	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
268	};	483	}
269	$TICK_WATCHER->stop;	484	};
270	$guard	485
		486	sub get_slot($;$$) {
		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	$sig->wait;
271	}	499	}
272		500
273	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
274		502
275	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		508
281	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
282		510
283	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
284		512
285	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
288		517
289	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
292	fast or be very important.	521	fast or be very important.
…		…
294	=cut	523	=cut
295		524
296	sub sync_job(&) {	525	sub sync_job(&) {
297	my ($job) = @_;	526	my ($job) = @_;
298		527
299	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
300	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
302		533
303	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	535
305	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
306		537
307	my $busy = 1;	538	my $busy = 1;
308	my @res;	539	my @res;
309		540
310	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	543	@res = eval { $job->() };
312	warn $@ if $@;	544	error $@ if $@;
313	undef $busy;	545	undef $busy;
314	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
315		547
316	while ($busy) {	548	while ($busy) {
317	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
318	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
319		559
320	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
321	} else {	561	} else {
322	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
323		563
…		…
343	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
344		584
345	$coro	585	$coro
346	}	586	}
347		587
348	sub write_runtime {	588	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		589
351	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.
352		594
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
354	or return;
355		596
356	my $value = $cf::RUNTIME + 90 + 10;	597	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	598	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		599
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	600	# we seemingly have to make a local copy of the whole thing,
361	and return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
362		603
363	# always fsync - this file is important	604	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	605	reset_signals;
365	and return;	606	&$cb
		607	}, @args;
366		608
367	close $fh	609	wantarray ? @res : $res[-1]
368	or return;	610	}
369		611
370	aio_rename "$runtime~", $runtime	612	sub objinfo {
371	and return;
372
373	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"
374	}	777	}
375		778
376	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
377		780
378	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
379		782
380	=cut	783	=cut
381		784
382	sub datalog($@) {	785	sub datalog($@) {
383	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	788	}
386		789
387	=back	790	=back
388		791
389	=cut	792	=cut
390		793
391	#############################################################################	794	#############################################################################
392		795
393	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
394		797
395	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
396	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")
397	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
398		801
399	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>
400	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
401	crossfire+).	804	Deliantra).
402		805
403	=over 4	806	=over 4
404		807
405	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
406		809
…		…
450	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
451		854
452	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
454		857
455	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		860
458	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
459		862
460	=over 4	863	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
570		973
571	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		978
576	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	980	my $pkg = shift @arg;
578		981
579	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
584		987
585	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		990
588	} elsif (ref $type) {	991	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
590		993
591	} else {	994	} else {
592	shift @arg;	995	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
594	}	997	}
595	}	998	}
596	}	999	}
597		1000
598	sub _object_attach {	1001	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
609	}	1012	}
610		1013
611	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
612	} else {	1015	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1017	}
615		1018
616	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
617	}	1020	}
618		1021
…		…
620	if (ref $_[0]) {	1023	if (ref $_[0]) {
621	_object_attach @_;	1024	_object_attach @_;
622	} else {	1025	} else {
623	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
624	}	1027	}
		1028	_recalc_want;
625	};	1029	};
626		1030
627	# all those should be optimised	1031	# all those should be optimised
628	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1037	reattach ($obj);
634	} else {	1038	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
636	}	1040	}
		1041	_recalc_want;
637	};	1042	};
638		1043
639	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
641		1046
…		…
656	";	1061	";
657	die if $@;	1062	die if $@;
658	}	1063	}
659		1064
660	our $override;	1065	our $override;
661	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?
662		1067
663	sub override {	1068	sub override {
664	$override = 1;	1069	$override = 1;
665	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
666	}	1071	}
667		1072
668	sub do_invoke {	1073	sub do_invoke {
669	my $event = shift;	1074	my $event = shift;
670	my $callbacks = shift;	1075	my $callbacks = shift;
671		1076
672	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
673		1078
674	local $override;	1079	local $override;
675		1080
676	for (@$callbacks) {	1081	for (@$callbacks) {
677	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
678		1083
679	if ($@) {	1084	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1086	override;
683	}	1087	}
684		1088
685	return 1 if $override;	1089	return 1 if $override;
686	}	1090	}
687		1091
688	0	1092	0
689	}	1093	}
690		1094
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1096
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1098
695	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
696		1100
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1104
701	=back	1105	=back
702		1106
703	=cut	1107	=cut
704		1108
705	#############################################################################	1109	#############################################################################
706	# 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, $ob2
		1152	}
707		1153
708	sub reattach {	1154	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1156	my ($obj) = @_;
711		1157
		1158	# no longer needed after getting rid of delete_package?
712	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
713		1160
714	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
715		1162
716	@$registry = ();	1163	@$registry = ();
717		1164
…		…
722	for (@$attach) {	1169	for (@$attach) {
723	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
725	}	1172	}
726	} else {	1173	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1175	}
729	}	1176	}
730	}	1177	}
731		1178
732	cf::attachable->attach (	1179	cf::attachable->attach (
733	prio => -1000000,	1180	prio => -1000000,
734	on_instantiate => sub {	1181	on_instantiate => sub {
735	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
736		1183
737	$data = from_json $data;	1184	$data = decode_json $data;
738		1185
739	for (@$data) {	1186	for (@$data) {
740	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
741		1188
742	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1205	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
760		1207
761	sync_job {	1208	sync_job {
762	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
765		1214
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1222	aio_close $fh;
771		1223
772	if (@$objs) {	1224	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1233	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
780	}	1235	}
781	} else {	1236	} else {
782	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
783	}	1238	}
784		1239
785	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1244	} else {
787	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
788	}	1246	}
789	} else {	1247	} else {
790	aio_unlink $filename;	1248	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
792	}	1250	}
793	}	1251	};
794	}	1252	}
795		1253
796	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
798		1256
…		…
810	or return;	1268	or return;
811		1269
812	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
814	or return;	1272	or return;
		1273
815	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
816	}	1276	}
817		1277
		1278	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
820	return ($data, $av);	1283	($data, $av)
821	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
822		1291
823	#############################################################################	1292	#############################################################################
824	# command handling &c	1293	# command handling &c
825		1294
826	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1309	}
841		1310
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1312
844	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.
845		1318
846	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
847	called.	1320	called.
848		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
849	=cut	1333	=cut
850		1334
851	sub register_extcmd {	1335	sub register_extcmd {
852	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
853		1337
854	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
855	}	1339	}
856		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
857	cf::player->attach (	1349	cf::player->attach (
858	on_command => sub {	1350	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
860		1352
861	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
862	or return;	1354	or return;
863		1355
…		…
868	cf::override;	1360	cf::override;
869	},	1361	},
870	on_extcmd => sub {	1362	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
872		1364
873	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1366
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
881	} else {	1382	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1384	}
884		1385
885	cf::override;	1386	cf::override;
886	},	1387	},
887	);	1388	);
888		1389
		1390	# "readahead" all extensions
889	sub load_extension {	1391	sub cache_extensions {
890	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
891		1393
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1397	}
917	die $@;
918	}	1398	};
919		1399
920	push @EXTS, $pkg;	1400	$grp
921	}	1401	}
922		1402
923	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
924	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1410	next unless -r $path;
926	eval {	1411
927	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 $active;
		1474	}
928	1	1475	}
929	} or warn "$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	}
930	}	1486	};
931	}	1487	}
932		1488
933	#############################################################################	1489	#############################################################################
934		1490
		1491	=back
		1492
935	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
936		1494
937	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
938		1496
939	=cut	1497	=cut
940		1498
941	package cf::player;	1499	package cf::player;
942		1500
…		…
944		1502
945	=head3 cf::player	1503	=head3 cf::player
946		1504
947	=over 4	1505	=over 4
948		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
949	=item cf::player::find $login	1521	=item cf::player::find $login
950		1522
951	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
952		1524
953	=cut	1525	=cut
954		1526
955	sub playerdir($) {	1527	sub playerdir($) {
956	cf::localdir	1528	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1530	}
962		1531
963	sub path($) {	1532	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1543
975	sub exists($) {	1544	sub exists($) {
976	my ($login) = @_;	1545	my ($login) = @_;
977		1546
978	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
980	}	1549	}
981		1550
982	sub find($) {	1551	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1553	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1563	aio_unlink +(playerdir $login) . "/$login.pl";
995		1564
996	my $pl = load_pl path $login	1565	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
999	}	1574	}
1000	}	1575	}
1001	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($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	);
1002		1590
1003	sub save($) {	1591	sub save($) {
1004	my ($pl) = @_;	1592	my ($pl) = @_;
1005		1593
1006	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1012		1600
1013	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1017	Coro::cede;	1610	cf::cede_to_tick;
1018	}	1611	}
1019		1612
1020	sub new($) {	1613	sub new($) {
1021	my ($login) = @_;	1614	my ($login) = @_;
1022		1615
…		…
1028	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1029		1622
1030	$self	1623	$self
1031	}	1624	}
1032		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
1033	=item $pl->quit_character	1636	=item $pl->quit_character
1034		1637
1035	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1037		1640
…		…
1041	my ($pl) = @_;	1644	my ($pl) = @_;
1042		1645
1043	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1044		1647
1045	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1046	$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
1047		1650
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1052		1656
1053	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1085		1689
1086	=cut	1690	=cut
1087		1691
1088	sub list_logins {	1692	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1694	or return [];
1091		1695
1092	my @logins;	1696	my @logins;
1093		1697
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1098		1708
1099	utf8::decode $login;	1709	utf8::decode $login;
1100	push @logins, $login;	1710	push @logins, $login;
1101	}	1711	}
1102		1712
1103	\@logins	1713	\@logins
1104	}	1714	}
1105		1715
1106	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1107		1719
1108	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1109	player. May block.	1721	player. May block.
1110		1722
1111	=cut	1723	=cut
…		…
1129	}	1741	}
1130		1742
1131	\@paths	1743	\@paths
1132	}	1744	}
1133		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1134	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1135		1751
1136	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1137		1753
1138	=cut	1754	=cut
1139		1755
1140	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1142		1758
1143	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1760	}
1147		1761
1148	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1149		1763
1150	Sends an ext event to the client.	1764	Sends an ext event to the client.
1151		1765
1152	=cut	1766	=cut
1153		1767
1154	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1156		1770
1157	$self->ns->ext_event ($type, %msg);	1771	$self->ns->ext_msg ($type, @msg);
1158	}	1772	}
1159		1773
1160	=head3 cf::region	1774	=head3 cf::region
1161		1775
1162	=over 4	1776	=over 4
…		…
1165		1779
1166	package cf::region;	1780	package cf::region;
1167		1781
1168	=item cf::region::find_by_path $path	1782	=item cf::region::find_by_path $path
1169		1783
1170	Tries to decuce the probable region for a map knowing only its path.	1784	Tries to decuce the likely region for a map knowing only its path.
1171		1785
1172	=cut	1786	=cut
1173		1787
1174	sub find_by_path($) {	1788	sub find_by_path($) {
1175	my ($path) = @_;	1789	my ($path) = @_;
1176		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
1177	my ($match, $specificity);	1793	my ($match, $specificity);
1178		1794
1179	for my $region (list) {	1795	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1796	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1797	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1798	if $region->specificity > $specificity;
1183	}	1799	}
1184	}	1800	}
1185		1801
…		…
1206	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1208		1824
1209	sub generate_random_map {	1825	sub generate_random_map {
1210	my ($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
1211	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1831	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1234		1853
1235	sub register {	1854	sub register {
1236	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1856	my $pkg = caller;
1238		1857
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1859
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1861	}
1244		1862
1245	# also paths starting with '/'	1863	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1865
1248	sub thawer_merge {	1866	sub thawer_merge {
1249	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1250		1868
1251	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1252	local $self->{path};	1870	local $self->{path};
1253	local $self->{load_path};	1871	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1872
1257	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1258	}	1874	}
1259		1875
1260	sub normalise {	1876	sub normalise {
1261	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1262		1878
1263	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1264		1880
1265	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1266		1882
1267	# map plan:	1883	# map plan:
1268	#	1884	#
…		…
1307	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1308	return $self;	1924	return $self;
1309	}	1925	}
1310	}	1926	}
1311		1927
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1929	()
1314	}	1930	}
1315		1931
1316	sub init {	1932	sub init {
1317	my ($self) = @_;	1933	my ($self) = @_;
…		…
1332		1948
1333	# the original (read-only) location	1949	# the original (read-only) location
1334	sub load_path {	1950	sub load_path {
1335	my ($self) = @_;	1951	my ($self) = @_;
1336		1952
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1338	}	1954	}
1339		1955
1340	# the temporary/swap location	1956	# the temporary/swap location
1341	sub save_path {	1957	sub save_path {
1342	my ($self) = @_;	1958	my ($self) = @_;
1343		1959
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1346	}	1962	}
1347		1963
1348	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1349	sub uniq_path {	1965	sub uniq_path {
1350	my ($self) = @_;	1966	my ($self) = @_;
1351		1967
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1354	}	1970	}
1355		1971
1356	# and all this just because we cannot iterate over	1972	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1973	my ($self) = @_;
1360		1974
1361	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1363	}	1978	}
1364		1979
1365	sub unlink_save {	1980	sub unlink_save {
1366	my ($self) = @_;	1981	my ($self) = @_;
1367		1982
…		…
1372		1987
1373	sub load_header_from($) {	1988	sub load_header_from($) {
1374	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1375		1990
1376	utf8::encode $path;	1991	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		2000
1383	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1384		2002
1385	1	2003	1
1386	}	2004	}
…		…
1425	$self->load_header_orig	2043	$self->load_header_orig
1426	or return;	2044	or return;
1427	$self->prepare_orig;	2045	$self->prepare_orig;
1428	}	2046	}
1429		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
1430	$self->default_region (cf::region::find_by_path $self->{path})	2051	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2052	unless $self->default_region;
1432		2053
1433	1	2054	1
1434	}	2055	}
1435		2056
1436	sub find;	2057	sub find;
1437	sub find {	2058	sub find {
1438	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1439		2060
		2061	cf::cede_to_tick;
		2062
1440	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1441		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2067
1444	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1447	or return;	2070	or return;
1448		2071
1449	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1450		2073
1451	$map->load_header	2074	$map->load_header
1452	or return;	2075	or return;
1453		2076
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1457	$map->reset;	2082	$map->reset;
1458	undef $guard;
1459	return find $path;	2083	return find $path;
1460	}	2084	}
1461		2085
1462	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1463	}	2087	}
1464	}	2088	}
1465		2089
1466	sub pre_load { }	2090	sub pre_load { }
1467	sub post_load { }	2091	#sub post_load { } # XS
1468		2092
1469	sub load {	2093	sub load {
1470	my ($self) = @_;	2094	my ($self) = @_;
1471		2095
1472	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1473		2097
1474	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1476		2102
		2103	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2105
1479	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1480		2107
1481	$self->alloc;	2108	$self->alloc;
1482		2109
1483	$self->pre_load;	2110	$self->pre_load;
1484	Coro::cede;	2111	cf::cede_to_tick;
1485		2112
1486	$self->_load_objects ($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)
1487	or return;	2116	or return;
1488		2117
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1490	if delete $self->{load_original};	2119	if delete $self->{load_original};
1491		2120
1492	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2122	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2125	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1497	}	2129	}
1498	}	2130	}
1499		2131
1500	Coro::cede;	2132	$f->resolve_delayed_derefs;
		2133
		2134	cf::cede_to_tick;
1501	# now do the right thing for maps	2135	# now do the right thing for maps
1502	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2138	unless $self->difficulty;
1513	Coro::cede;	2139	cf::cede_to_tick;
		2140
		2141	unless ($self->{deny_activate}) {
		2142	$self->decay_objects;
		2143	$self->fix_auto_apply;
		2144	$self->update_buttons;
		2145	cf::cede_to_tick;
1514	$self->activate;	2146	$self->activate;
1515	Coro::cede;	2147	}
		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
		2152	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2153	}
1517		2154
1518	$self->post_load;	2155	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2156	}
1523		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2161	sub customise_for {
1525	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1526		2163
1527	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2165	if $self->per_player;
1529		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1530	$self	2170	$self
1531	}	2171	}
1532		2172
1533	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2174	sub load_neighbours {
1535	my ($map) = @_;	2175	my ($map) = @_;
1536		2176
1537	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1538		2178
1539	for (0 .. 3) {	2179	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1541	or next;	2181	or next;
1542	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1543	or next;	2183	or next;
1544	$neigh->load;	2184	$neigh->load;
1545		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2190	}
1549		2191
1550	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1552	or next;	2195	or next;
1553	$neigh->load;	2196	$neigh->load;
1554	}	2197	}
1555	}	2198	}
1556		2199
1557	sub find_sync {	2200	sub find_sync {
1558	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1559		2202
1560	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, $origin
1561	}	2207	}
1562		2208
1563	sub do_load_sync {	2209	sub do_load_sync {
1564	my ($map) = @_;	2210	my ($map) = @_;
1565		2211
1566	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;
1567	}	2216	}
1568		2217
1569	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1571		2220
1572	sub find_async {	2221	sub find_async {
1573	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1574		2223
1575	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1576		2225
1577	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2228	}
1580		2229
1581	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1582	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1583	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2237	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2238	$map->load if $v;
		2239	}
1588		2240
1589	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1590	}	2242	}
1591	}	2243	}
1592	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1593	};	2245	};
1594	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1595		2247
1596	()	2248	()
1597	}	2249	}
1598		2250
		2251	# common code, used by both ->save and ->swapout
1599	sub save {	2252	sub _save {
1600	my ($self) = @_;	2253	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2254
1604	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1605		2256
1606	return unless $self->dirty;	2257	return unless $self->dirty;
1607		2258
…		…
1613	return if $self->{deny_save};	2264	return if $self->{deny_save};
1614		2265
1615	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1616		2267
1617	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1619	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1620		2274
1621	if ($uniq) {	2275	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2278	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2280	}
1627	}	2281	}
1628		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1629	sub swap_out {	2291	sub swap_out {
1630	my ($self) = @_;	2292	my ($self) = @_;
1631		2293
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1637	return if $self->players;	2298	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2309	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2310	}
1644		2311
1645	sub reset_at {	2312	sub reset_at {
1646	my ($self) = @_;	2313	my ($self) = @_;
1647		2314
1648	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1651		2317
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2320
…		…
1665	my ($self) = @_;	2331	my ($self) = @_;
1666		2332
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2334
1669	return if $self->players;	2335	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2336
1672	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1673		2338
1674	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1675		2340
1676	# need to save uniques path	2341	# need to save uniques path
1677	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2346	if $uniq;
1682	}	2347	}
1683		2348
1684	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1685		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2353	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2354
1690	$self->unlink_save;	2355	$self->unlink_save;
1691	$self->destroy;	2356	$self->destroy;
1692	}	2357	}
1693		2358
1694	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1695		2360
1696	sub nuke {	2361	sub nuke {
1697	my ($self) = @_;	2362	my ($self) = @_;
1698		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1699	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1700		2368
1701	$self->unlink_save;	2369	$self->unlink_save;
1702		2370
1703	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2376
1709	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1710		2379
1711	$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	]
1712	}	2417	}
1713		2418
1714	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1715		2420
1716	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2422	instantiated unique items. May block.
1718		2423
1719	=cut	2424	=cut
1720		2425
1721	sub unique_maps() {	2426	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1723	or return;	2428	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2429	utf8::decode $_;
1729	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2432	? ()
1732	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2435	]
1734
1735	\@paths
1736	}	2436	}
1737		2437
1738	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	}
1739		2469
1740	=back	2470	=back
1741		2471
1742	=head3 cf::object	2472	=head3 cf::object
1743		2473
…		…
1747		2477
1748	=over 4	2478	=over 4
1749		2479
1750	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1751		2481
1752	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.
1753		2484
1754	=cut	2485	=cut
1755		2486
1756	sub inv_recursive_;	2487	sub inv_recursive_;
1757	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1760		2491
1761	sub inv_recursive {	2492	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1763	}	2494	}
1764		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
1765	package cf;	2524	package cf;
1766		2525
1767	=back	2526	=back
1768		2527
1769	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1778		2537
1779	=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	};
1780		2553
1781	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2555	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1786		2559
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2561
1789	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1794	}	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 (@_);
1795	}	2587	}
1796		2588
1797	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1798		2590
1799	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1812		2604
1813	=item $player_object->enter_link	2605	=item $player_object->enter_link
1814		2606
1815	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}>).
1816		2608
1817	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.
1818	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.
1819		2613
1820	Will never block.	2614	Will never block.
1821		2615
1822	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1823		2617
…		…
1843	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2638	my ($self) = @_;
1845		2639
1846	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1847		2641
		2642	++$self->{_link_recursion};
		2643
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2645
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1852		2648
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2650	}
1855		2651
1856	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1858		2656
1859	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1860		2658
1861	unless ($map) {	2659	unless ($map) {
1862	# restore original map position	2660	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1875		2673
1876	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1879		2677
1880	$map->load;	2678	$map->load;
1881	$map->load_diag;	2679	$map->load_neighbours;
1882		2680
1883	return unless $self->contr->active;	2681	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2682
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1888	}	2685	# entering was successful
1889		2686	delete $self->{_link_recursion};
1890	cf::player->attach (	2687	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2688	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2689	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2690
1904	# try to abort aborted map switching on player login :)	2691	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2692
1922	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		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
1924	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1925		2707
1926	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1927	my ($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;
1928		2719
1929	$self->enter_link;	2720	$self->enter_link;
1930		2721
1931	(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
1932	my $map = eval {	2744	my $map = eval {
1933	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2760	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1940	})->prio (1);	2768	})->prio (1);
1941	}	2769	}
1942		2770
1943	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1944		2772
…		…
1964	}	2792	}
1965		2793
1966	sub prepare_random_map {	2794	sub prepare_random_map {
1967	my ($exit) = @_;	2795	my ($exit) = @_;
1968		2796
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2799	# that depends on the exit object
1974		2800
1975	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2803	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1982	}	2810	}
1983		2811
1984	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1985		2813
1986	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1989		2817
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2820	undef $fh;
1993	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1994		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1997	}	2829	}
1998	}	2830	}
1999		2831
2000	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
2002		2834
2003	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
2004		2836
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2837	$self->enter_link;
2017		2838
2018	(async {	2839	(async {
2019	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
2022		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
2023	1;	2863	1
2024	}) {	2864	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2869
2030	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2871	$self->leave_link;
2032	}	2872	}
2033	})->prio (1);	2873	})->prio (1);
2034	}	2874	}
2035		2875
…		…
2049		2889
2050	utf8::encode $text;	2890	utf8::encode $text;
2051	$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);
2052	}	2892	}
2053		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
2054	=item $client->ext_event ($type, %msg)	3081	=item $client->ext_msg ($type, @msg)
2055		3082
2056	Sends an exti event to the client.	3083	Sends an ext event to the client.
2057		3084
2058	=cut	3085	=cut
2059		3086
2060	sub cf::client::ext_event($$%) {	3087	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3088	my ($self, $type, @msg) = @_;
2062		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3093	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2065	}	3114	}
2066		3115
2067	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2068		3117
2069	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		3121
2073	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
2074	reliable at some point in the future.	3123	become reliable at some point in the future.
2075		3124
2076	=cut	3125	=cut
2077		3126
2078	sub cf::client::query {	3127	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3136	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3138
2090	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2092	}	3143	}
2093		3144
2094	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	},
2095	on_reply => sub {	3151	on_reply => sub {
2096	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2097		3153
2098	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2099	# get handled first	3155	# get handled first
…		…
2111	} else {	3167	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3169	}
2114	}	3170	}
2115	},	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	},
2116	);	3198	);
2117		3199
2118	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2119		3201
2120	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3218
2137	$coro	3219	$coro
2138	}	3220	}
2139		3221
2140	cf::client->attach (	3222	cf::client->attach (
2141	on_destroy => sub {	3223	on_client_destroy => sub {
2142	my ($ns) = @_;	3224	my ($ns) = @_;
2143		3225
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3227	},
2146	);	3228	);
…		…
2161	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2163		3245
2164	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2165		3247
2166	$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	));
2167		3253
2168	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2169		3255
2170	=pod	3256	=pod
2171		3257
2172	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2173		3259
2174	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
2175	cf::object::player player	3265	cf::object::player
2176	cf::player peaceful	3266	player
2177	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2178		3273
2179	=cut	3274	=cut
2180		3275
2181	for (	3276	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2186	) {	3283	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3286	for @funs;
2191	}	3287	}
2192		3288
…		…
2207		3303
2208	my $qcode = $code;	3304	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2211		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2212	local $_;	3311	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3312
2215	my $eval =	3313	my $eval =
2216	"do {\n"	3314	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3317	. $code
2220	. "\n}"	3318	. "\n}"
2221	;	3319	;
2222		3320
		3321	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	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	}
2226		3330
2227	if ($@) {	3331	if ($@) {
2228	warn "$@";	3332	warn "$@",
2229	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2231	}	3335	}
2232		3336
2233	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2234	}	3338	}
2235		3339
…		…
2249	=cut	3353	=cut
2250		3354
2251	sub register_script_function {	3355	sub register_script_function {
2252	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2253		3357
2254	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2256	}	3360	}
2257		3361
2258	=back	3362	=back
2259		3363
2260	=cut	3364	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3365
2334	#############################################################################	3366	#############################################################################
2335	# the server's init and main functions	3367	# the server's init and main functions
2336		3368
2337	sub load_facedata {	3369	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3370	my ($path) = @_;
2339		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
2340	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2341		3379
2342	my $facedata;
2343	0 < aio_load $path, $facedata	3380	0 < aio_load $path, my $facedata
2344	or die "$path: $!";	3381	or die "$path: $!";
2345		3382
2346	$facedata = Coro::Storable::thaw $facedata;	3383	$facedata = Coro::Storable::thaw $facedata;
2347		3384
2348	$facedata->{version} == 2	3385	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3397	{
2352	my $faces = $facedata->{faceinfo};	3398	my $faces = $facedata->{faceinfo};
2353		3399
2354	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3402
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3407
		3408	cf::cede_to_tick;
2360	}	3409	}
2361		3410
2362	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2364	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
2365	or next;	3415	or next;
		3416
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3420	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3421	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3422	}
2371	Coro::cede;	3423
		3424	cf::cede_to_tick;
2372	}	3425	}
2373	}	3426	}
2374		3427
2375	{	3428	{
2376	my $anims = $facedata->{animinfo};	3429	my $anims = $facedata->{animinfo};
2377		3430
2378	while (my ($anim, $info) = each %$anims) {	3431	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3433	cf::cede_to_tick;
2381	}	3434	}
2382		3435
2383	cf::anim::invalidate_all; # d'oh	3436	cf::anim::invalidate_all; # d'oh
2384	}	3437	}
2385		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
2386	1	3458	1
2387	}	3459	}
2388		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
2389	sub load_archetypes {	3498	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3499	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3500	or die "unable to load archetypes\n";
2392	}	3501	}
2393		3502
2394	sub load_treasures {	3503	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	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}[$_]
		3518	or next;
		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
		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	}
2396	}	3529	}
2397		3530
2398	sub reload_resources {	3531	sub reload_resources {
2399	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2400		3533
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3534	reload_exp_table;
2402	or die "unable to load regions file\n";	3535	reload_materials;
2403	load_facedata	3536	reload_facedata;
2404	or die "unable to load facedata\n";	3537	reload_sound;
2405	load_archetypes	3538	reload_archetypes;
2406	or die "unable to load archetypes\n";	3539	reload_regions;
2407	load_treasures	3540	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3541
2410	warn "finished reloading resource files\n";	3542	trace "finished reloading resource files\n";
2411	}	3543	}
2412		3544
2413	sub init {	3545	sub reload_config {
2414	reload_resources;	3546	trace "reloading config file...\n";
2415	}
2416		3547
2417	sub cfg_load {	3548	0 < aio_load "$CONFDIR/config", my $config
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3549	or die "$CONFDIR/config: $!";
2419	or return;
2420		3550
2421	local $/;	3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2422	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2423		3555
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2425		3557
2426	$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};
2427	$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};
2428		3560
2429	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2433	};	3565	};
2434	warn $@ if $@;	3566	warn $@ if $@;
2435	}	3567	}
2436	}	3568	}
2437		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
2438	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
2439	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2441	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#
2442	(async {	3611	(async {
2443	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2445	};	3615	};
2446		3616
2447	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;
2448	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
2449	load_extensions;	3640	load_extensions;
2450		3641
2451	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2452	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;
2453	}	3660	}
2454		3661
2455	#############################################################################	3662	#############################################################################
2456	# initialisation and cleanup	3663	# initialisation and cleanup
2457		3664
2458	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2459	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2468	},
2469	);	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
2470	}	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 };
2471	}	3761	}
2472		3762
2473	sub emergency_save() {	3763	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2475		3765
2476	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;
2477		3772
2478	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2479	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3784	$pl->save;
2487	}	3785	}
2488	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2489		3787
2490	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";
2491	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3793	$map->valid or next;
2494	$map->save;	3794	$map->save;
2495	}	3795	}
2496	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2497		3797
2498	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";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2500	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
2501	};	3826	};
2502		3827
2503	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2504	}	3829	}
2505		3830
2506	sub post_cleanup {	3831	sub post_cleanup {
2507	my ($make_core) = @_;	3832	my ($make_core) = @_;
2508		3833
		3834	IO::AIO::flush;
		3835
2509	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3837	if $make_core;
2511	}
2512		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
2513	sub reload() {	3868	sub do_reload_perl() {
2514	# can/must only be called in main	3869	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2516	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2517	return;	3872	return;
2518	}	3873	}
2519		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2520	warn "reloading...";	3881	info "reloading...";
2521		3882
2522	warn "entering sync_job";	3883	trace "entering sync_job";
2523		3884
2524	cf::sync_job {	3885	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark
2526	cf::emergency_save;	3886	#cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark
2528		3887
2529	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;
2531
2532	# if anything goes wrong in here, we should simply crash as we already saved
2533
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;
2545	warn "iterate...";
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();	3890	%EXT_CORO = ();
2553		3891
2554	warn "removing commands";	3892	trace "removing commands";
2555	%COMMAND = ();	3893	%COMMAND = ();
2556		3894
2557	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2558	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2559		3898
2560	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2563		3902
2564	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2565	eval {	3904	eval {
2566	$cb->($pkg);	3905	$cb->($pkg);
2567	1	3906	1
2568	} 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;
2569	}	3912	}
2570		3913
2571	warn "... nuking $pkg";
2572	Symbol::delete_package $pkg;
2573	}
2574
2575	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2576	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3917
2579	warn "... unloading $k";	3918	trace "... unloading $k";
2580	delete $INC{$k};	3919	delete $INC{$k};
2581		3920
2582	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2584		3923
2585	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2586	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2587	}	3929	}
2588		3930
2589	Symbol::delete_package $k;
2590	}
2591
2592	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2594	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);
2595		3934
2596	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		3938
2599	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3940	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2602		3942
2603	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2604		3944
2605	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2606	require cf;	3946	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2608		3948
2609	warn "loading config and database again";	3949	trace "loading config and database again";
2610	cf::cfg_load;	3950	cf::reload_config;
2611		3951
2612	warn "loading extensions";	3952	trace "loading extensions";
2613	cf::load_extensions;	3953	cf::load_extensions;
2614		3954
		3955	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2621		3963
2622	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2623	reload_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3966
2625	warn "leaving sync_job";	3967	trace "leaving sync_job";
2626		3968
2627	1	3969	1
2628	} or do {	3970	} or do {
2629	warn $@;	3971	error $@;
2630	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$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	};
2632	};	3996	};
2633		3997	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3998
2639	register_command "reload" => sub {	3999	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2641		4001
2642	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2644		4004	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	4006	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	4007	};
2657	}	4008	}
2658	};	4009	};
2659		4010
2660	unshift @INC, $LIBDIR;	4011	#############################################################################
2661		4012
2662	my $bug_warning = 0;	4013	my $bug_warning = 0;
2663		4014
2664	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2666		4017
2667	sub wait_for_tick {	4018	sub wait_for_tick() {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2670		4020
2671	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	4023	$signal->wait;
2674	}	4024	}
2675		4025
2676	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin() {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2679		4028
2680	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	4031	$signal->wait;
2683	}	4032	}
2684		4033
2685	$TICK_WATCHER = Event->timer (	4034	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2695	return;	4038	return;
2696	}	4039	}
2697		4040
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2701		4042
2702	$RUNTIME += $TICK;	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2703	$NEXT_TICK += $TICK;
2704		4044
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	4049	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2710	};
2711	}	4051	};
		4052	}
2712		4053
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	4055	$sig->send;
2724	}	4056	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	4058	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	4059	}
2731	);	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	}
2732		4072
2733	{	4073	{
2734	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	4075
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2744		4077	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		4079
2760	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2761	$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);
2762		4087
2763	cf::sync_job {	4088	cf::sync_job {
2764	eval {	4089	eval {
2765	BDB::db_env_open	4090	BDB::db_env_open
2766	$DB_ENV,	4091	$DB_ENV,
2767	$BDB_ENV_DIR,	4092	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4095	0666;
2771		4096
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4098	};
2777		4099
2778	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4101	};
2780	}	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	};
2781	}	4113	}
2782		4114
2783	{	4115	{
		4116	# configure IO::AIO
		4117
2784	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	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;
2797		4168
2798	END { cf::emergency_save }	4169	END { cf::emergency_save }
2799		4170
2800	1	4171	1
2801		4172

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