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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	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::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	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
103	every server tick.	201	every server tick.
104		202
105	=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
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
129		257
130	=back	258	=back
131		259
132	=cut	260	=cut
133		261
134	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	269	my $msg = join "", @_;
137	utf8::encode $msg;
138		270
139	$msg .= "\n"	271	$msg .= "\n"
140	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
141		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
142	LOG llevError, $msg;	276	LOG llevWarn, $msg;
143	};	277	};
144	}	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	};
145		292
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		300
153	# 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
154	# within the Safe compartment.	302	# within the Safe compartment.
155	for my $pkg (qw(	303	for my $pkg (qw(
156	cf::global cf::attachable	304	cf::global cf::attachable
157	cf::object cf::object::player	305	cf::object cf::object::player
158	cf::client cf::player	306	cf::client cf::player
159	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
160	cf::map cf::party cf::region	309	cf::party cf::region
161	)) {	310	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	312	}
165		313
166	$Event::DIED = sub {	314	$EV::DIED = sub {
167	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
168	};	316	};
		317
		318	#############################################################################
169		319
170	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
171		321
172	=over 4	322	=over 4
173		323
…		…
192	$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;
193	$d	343	$d
194	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
195	}	345	}
196		346
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
200		348
201	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
202		350
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
211		352
212	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
213		354
214	=cut	355	=cut
215		356
216	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
218	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
219	}	374	}
220		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	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
269	};	483	}
270	$WRITE_RUNTIME_WATCHER->stop;	484	};
271	$TICK_WATCHER->stop;	485
272	$guard	486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
273	}	499	}
274		500
275	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
276		502
277	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		508
283	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
284		510
285	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
286		512
287	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
290		517
291	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
294	fast or be very important.	521	fast or be very important.
…		…
296	=cut	523	=cut
297		524
298	sub sync_job(&) {	525	sub sync_job(&) {
299	my ($job) = @_;	526	my ($job) = @_;
300		527
301	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
302	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
304		533
305	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	535
307	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
308		537
309	my $busy = 1;	538	my $busy = 1;
310	my @res;	539	my @res;
311		540
312	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	543	@res = eval { $job->() };
314	warn $@ if $@;	544	error $@ if $@;
315	undef $busy;	545	undef $busy;
316	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
317		547
318	while ($busy) {	548	while ($busy) {
319	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
320	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
321		559
322	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
323	} else {	561	} else {
324	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
325		563
…		…
345	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
346		584
347	$coro	585	$coro
348	}	586	}
349		587
350	sub write_runtime {	588	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		589
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		594
356	my $value = $cf::RUNTIME + 90 + 10;	595	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		596
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	597	sub fork_call(&@) {
361	and return;	598	my ($cb, @args) = @_;
362		599
363	aio_fsync $fh	600	# we seemingly have to make a local copy of the whole thing,
364	and return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
365		603
366	close $fh	604	my @res = Coro::Util::fork_eval {
367	or return;	605	reset_signals;
		606	&$cb
		607	}, @args;
368		608
369	aio_rename "$runtime~", $runtime	609	wantarray ? @res : $res[-1]
370	and return;	610	}
371		611
		612	sub objinfo {
372	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
		777	}
		778
		779	=item cf::datalog type => key => value, ...
		780
		781	Log a datalog packet of the given type with the given key-value pairs.
		782
		783	=cut
		784
		785	sub datalog($@) {
		786	my ($type, %kv) = @_;
		787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	788	}
374		789
375	=back	790	=back
376		791
377	=cut	792	=cut
378		793
379	#############################################################################	794	#############################################################################
380		795
381	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
382		797
383	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
384	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")
385	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
386		801
387	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>
388	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
389	crossfire+).	804	Deliantra).
390		805
391	=over 4	806	=over 4
392		807
393	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
394		809
…		…
438	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
439		854
440	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
442		857
443	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		860
446	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
447		862
448	=over 4	863	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
558		973
559	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		978
564	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	980	my $pkg = shift @arg;
566		981
567	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
572		987
573	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		990
576	} elsif (ref $type) {	991	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
578		993
579	} else {	994	} else {
580	shift @arg;	995	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
582	}	997	}
583	}	998	}
584	}	999	}
585		1000
586	sub _object_attach {	1001	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
597	}	1012	}
598		1013
599	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
600	} else {	1015	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1017	}
603		1018
604	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
605	}	1020	}
606		1021
…		…
608	if (ref $_[0]) {	1023	if (ref $_[0]) {
609	_object_attach @_;	1024	_object_attach @_;
610	} else {	1025	} else {
611	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
612	}	1027	}
		1028	_recalc_want;
613	};	1029	};
614		1030
615	# all those should be optimised	1031	# all those should be optimised
616	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1037	reattach ($obj);
622	} else {	1038	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
624	}	1040	}
		1041	_recalc_want;
625	};	1042	};
626		1043
627	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
629		1046
…		…
644	";	1061	";
645	die if $@;	1062	die if $@;
646	}	1063	}
647		1064
648	our $override;	1065	our $override;
649	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?
650		1067
651	sub override {	1068	sub override {
652	$override = 1;	1069	$override = 1;
653	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
654	}	1071	}
655		1072
656	sub do_invoke {	1073	sub do_invoke {
657	my $event = shift;	1074	my $event = shift;
658	my $callbacks = shift;	1075	my $callbacks = shift;
659		1076
660	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
661		1078
662	local $override;	1079	local $override;
663		1080
664	for (@$callbacks) {	1081	for (@$callbacks) {
665	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
666		1083
667	if ($@) {	1084	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1086	override;
671	}	1087	}
672		1088
673	return 1 if $override;	1089	return 1 if $override;
674	}	1090	}
675		1091
676	0	1092	0
677	}	1093	}
678		1094
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1096
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1098
683	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
684		1100
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1104
689	=back	1105	=back
690		1106
691	=cut	1107	=cut
692		1108
693	#############################################################################	1109	#############################################################################
694	# 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, $ob2
		1152	}
695		1153
696	sub reattach {	1154	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1156	my ($obj) = @_;
699		1157
		1158	# no longer needed after getting rid of delete_package?
700	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
701		1160
702	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
703		1162
704	@$registry = ();	1163	@$registry = ();
705		1164
…		…
710	for (@$attach) {	1169	for (@$attach) {
711	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
713	}	1172	}
714	} else {	1173	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1175	}
717	}	1176	}
718	}	1177	}
719		1178
720	cf::attachable->attach (	1179	cf::attachable->attach (
721	prio => -1000000,	1180	prio => -1000000,
722	on_instantiate => sub {	1181	on_instantiate => sub {
723	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
724		1183
725	$data = from_json $data;	1184	$data = decode_json $data;
726		1185
727	for (@$data) {	1186	for (@$data) {
728	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
729		1188
730	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1205	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
748		1207
749	sync_job {	1208	sync_job {
750	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
753		1214
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
757	aio_fsync $fh;	1220	aio_fsync $fh;
		1221	}
758	close $fh;	1222	aio_close $fh;
759		1223
760	if (@$objs) {	1224	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
		1229	if ($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;
765	aio_fsync $fh;	1231	aio_fsync $fh;
		1232	}
766	close $fh;	1233	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
768	}	1235	}
769	} else {	1236	} else {
770	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
771	}	1238	}
772		1239
773	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1244	} else {
775	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
776	}	1246	}
777	} else {	1247	} else {
778	aio_unlink $filename;	1248	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
780	}	1250	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1251	};
788	}	1252	}
789		1253
790	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
792		1256
…		…
797		1261
798	sub object_thawer_load {	1262	sub object_thawer_load {
799	my ($filename) = @_;	1263	my ($filename) = @_;
800		1264
801	my ($data, $av);	1265	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1266
806	(aio_load $filename, $data) >= 0	1267	(aio_load $filename, $data) >= 0
807	or return;	1268	or return;
808		1269
809	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
811	or return;	1272	or return;
		1273
812	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
813	}	1276	}
814		1277
		1278	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
817	return ($data, $av);	1283	($data, $av)
818	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
819		1291
820	#############################################################################	1292	#############################################################################
821	# command handling &c	1293	# command handling &c
822		1294
823	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1309	}
838		1310
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1312
841	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.
842		1318
843	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
844	called.	1320	called.
845		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
846	=cut	1333	=cut
847		1334
848	sub register_extcmd {	1335	sub register_extcmd {
849	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
850		1337
851	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
852	}	1339	}
853		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
854	cf::player->attach (	1349	cf::player->attach (
855	on_command => sub {	1350	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
857		1352
858	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
859	or return;	1354	or return;
860		1355
…		…
865	cf::override;	1360	cf::override;
866	},	1361	},
867	on_extcmd => sub {	1362	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
869		1364
870	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1366
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
878	} else {	1382	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1384	}
881		1385
882	cf::override;	1386	cf::override;
883	},	1387	},
884	);	1388	);
885		1389
		1390	# "readahead" all extensions
886	sub load_extension {	1391	sub cache_extensions {
887	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
888		1393
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1397	}
914	die $@;
915	}	1398	};
916		1399
917	push @EXTS, $pkg;	1400	$grp
918	}	1401	}
919		1402
920	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
921	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1410	next unless -r $path;
923	eval {	1411
924	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 $active;
		1474	}
925	1	1475	}
926	} or warn "$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	}
927	}	1486	};
928	}	1487	}
929		1488
930	#############################################################################	1489	#############################################################################
931		1490
		1491	=back
		1492
932	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
933		1494
934	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
935		1496
936	=cut	1497	=cut
937		1498
938	package cf::player;	1499	package cf::player;
939		1500
…		…
941		1502
942	=head3 cf::player	1503	=head3 cf::player
943		1504
944	=over 4	1505	=over 4
945		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
946	=item cf::player::find $login	1521	=item cf::player::find $login
947		1522
948	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
949		1524
950	=cut	1525	=cut
951		1526
952	sub playerdir($) {	1527	sub playerdir($) {
953	cf::localdir	1528	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1530	}
959		1531
960	sub path($) {	1532	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1534
963	(playerdir $login) . "/$login.pl"	1535	(playerdir $login) . "/playerdata"
964	}	1536	}
965		1537
966	sub find_active($) {	1538	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1539	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1540	and $cf::PLAYER{$_[0]}->active
…		…
971		1543
972	sub exists($) {	1544	sub exists($) {
973	my ($login) = @_;	1545	my ($login) = @_;
974		1546
975	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
977	}	1549	}
978		1550
979	sub find($) {	1551	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1553	my $login = $_[0];
982		1554
983	my $guard = cf::lock_acquire "user_find:$login";	1555	my $guard = cf::lock_acquire "user_find:$login";
984		1556
985	$cf::PLAYER{$_[0]} || do {	1557	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1558	# rename old playerfiles to new ones
		1559	#TODO: remove when no longer required
		1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1563	aio_unlink +(playerdir $login) . "/$login.pl";
		1564
		1565	my $f = new_from_file cf::object::thawer path $login
987	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;
988	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
989	}	1574	}
990	}	1575	}
991	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($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	);
992		1590
993	sub save($) {	1591	sub save($) {
994	my ($pl) = @_;	1592	my ($pl) = @_;
995		1593
996	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1002		1600
1003	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1007	Coro::cede;	1610	cf::cede_to_tick;
1008	}	1611	}
1009		1612
1010	sub new($) {	1613	sub new($) {
1011	my ($login) = @_;	1614	my ($login) = @_;
1012		1615
…		…
1018	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1019		1622
1020	$self	1623	$self
1021	}	1624	}
1022		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
1023	=item $pl->quit_character	1636	=item $pl->quit_character
1024		1637
1025	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1027		1640
1028	=cut	1641	=cut
1029		1642
1030	sub quit_character {	1643	sub quit_character {
1031	my ($pl) = @_;	1644	my ($pl) = @_;
1032		1645
		1646	my $name = $pl->ob->name;
		1647
1033	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1034	$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
1035		1650
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1040		1656
1041	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1659	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1660	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1661	$pl->destroy;
		1662
		1663	my $prefix = qr<^~\Q$name\E/>;
		1664
		1665	# nuke player maps
		1666	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1667
1046	IO::AIO::aio_rmtree $temp;	1668	IO::AIO::aio_rmtree $temp;
		1669	}
		1670
		1671	=item $pl->kick
		1672
		1673	Kicks a player out of the game. This destroys the connection.
		1674
		1675	=cut
		1676
		1677	sub kick {
		1678	my ($pl, $kicker) = @_;
		1679
		1680	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1681	$pl->killer ("kicked");
		1682	$pl->ns->destroy;
1047	}	1683	}
1048		1684
1049	=item cf::player::list_logins	1685	=item cf::player::list_logins
1050		1686
1051	Returns am arrayref of all valid playernames in the system, can take a	1687	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1053		1689
1054	=cut	1690	=cut
1055		1691
1056	sub list_logins {	1692	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1694	or return [];
1059		1695
1060	my @logins;	1696	my @logins;
1061		1697
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1066		1708
1067	utf8::decode $login;	1709	utf8::decode $login;
1068	push @logins, $login;	1710	push @logins, $login;
1069	}	1711	}
1070		1712
1071	\@logins	1713	\@logins
1072	}	1714	}
1073		1715
1074	=item $player->maps	1716	=item $player->maps
1075		1717
		1718	=item cf::player::maps $login
		1719
1076	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1077	player. May block.	1721	player. May block.
1078		1722
1079	=cut	1723	=cut
1080		1724
1081	sub maps($) {	1725	sub maps($) {
1082	my ($pl) = @_;	1726	my ($pl) = @_;
		1727
		1728	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1729
1084	my $files = aio_readdir playerdir $pl	1730	my $files = aio_readdir playerdir $pl
1085	or return;	1731	or return;
1086		1732
1087	my @paths;	1733	my @paths;
…		…
1089	for (@$files) {	1735	for (@$files) {
1090	utf8::decode $_;	1736	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1737	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1738	next unless /^$PATH_SEP/o;
1093		1739
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1740	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1741	}
1096		1742
1097	\@paths	1743	\@paths
1098	}	1744	}
1099		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1101		1751
1102	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1103		1753
1104	=cut	1754	=cut
1105		1755
1106	sub ext_reply($$$%) {	1756	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1108		1758
1109	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1760	}
1113		1761
1114	package cf;	1762	=item $player->ext_msg ($type, @msg)
		1763
		1764	Sends an ext event to the client.
		1765
		1766	=cut
		1767
		1768	sub ext_msg($$@) {
		1769	my ($self, $type, @msg) = @_;
		1770
		1771	$self->ns->ext_msg ($type, @msg);
		1772	}
		1773
		1774	=head3 cf::region
		1775
		1776	=over 4
		1777
		1778	=cut
		1779
		1780	package cf::region;
		1781
		1782	=item cf::region::find_by_path $path
		1783
		1784	Tries to decuce the likely region for a map knowing only its path.
		1785
		1786	=cut
		1787
		1788	sub find_by_path($) {
		1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
		1793	my ($match, $specificity);
		1794
		1795	for my $region (list) {
		1796	if ($region->{match} && $path =~ $region->{match}) {
		1797	($match, $specificity) = ($region, $region->specificity)
		1798	if $region->specificity > $specificity;
		1799	}
		1800	}
		1801
		1802	$match
		1803	}
1115		1804
1116	=back	1805	=back
1117
1118		1806
1119	=head3 cf::map	1807	=head3 cf::map
1120		1808
1121	=over 4	1809	=over 4
1122		1810
…		…
1134	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1136		1824
1137	sub generate_random_map {	1825	sub generate_random_map {
1138	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
1139	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1831	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1162		1853
1163	sub register {	1854	sub register {
1164	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	1856	my $pkg = caller;
1166		1857
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		1859
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	1861	}
1172		1862
1173	# also paths starting with '/'	1863	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		1865
1176	sub thawer_merge {	1866	sub thawer_merge {
1177	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1178		1868
1179	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1180	local $self->{path};	1870	local $self->{path};
1181	local $self->{load_path};	1871	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1872
1185	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1186	}	1874	}
1187		1875
1188	sub normalise {	1876	sub normalise {
1189	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1190		1878
1191	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1192		1880
1193	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1194		1882
1195	# map plan:	1883	# map plan:
1196	#	1884	#
…		…
1235	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1236	return $self;	1924	return $self;
1237	}	1925	}
1238	}	1926	}
1239		1927
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	1929	()
1242	}	1930	}
1243		1931
1244	sub init {	1932	sub init {
1245	my ($self) = @_;	1933	my ($self) = @_;
…		…
1260		1948
1261	# the original (read-only) location	1949	# the original (read-only) location
1262	sub load_path {	1950	sub load_path {
1263	my ($self) = @_;	1951	my ($self) = @_;
1264		1952
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1266	}	1954	}
1267		1955
1268	# the temporary/swap location	1956	# the temporary/swap location
1269	sub save_path {	1957	sub save_path {
1270	my ($self) = @_;	1958	my ($self) = @_;
1271		1959
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1274	}	1962	}
1275		1963
1276	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1277	sub uniq_path {	1965	sub uniq_path {
1278	my ($self) = @_;	1966	my ($self) = @_;
1279		1967
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1282	}	1970	}
1283		1971
1284	# and all this just because we cannot iterate over	1972	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	1973	my ($self) = @_;
1288		1974
1289	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1291	}	1978	}
1292		1979
1293	sub unlink_save {	1980	sub unlink_save {
1294	my ($self) = @_;	1981	my ($self) = @_;
1295		1982
1296	utf8::encode (my $save = $self->save_path);	1983	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1984	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1985	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1986	}
1305		1987
1306	sub load_header_from($) {	1988	sub load_header_from($) {
1307	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1308		1990
1309	utf8::encode $path;	1991	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	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;
1315		2000
1316	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1317		2002
1318	1	2003	1
1319	}	2004	}
…		…
1358	$self->load_header_orig	2043	$self->load_header_orig
1359	or return;	2044	or return;
1360	$self->prepare_orig;	2045	$self->prepare_orig;
1361	}	2046	}
1362		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
		2051	$self->default_region (cf::region::find_by_path $self->{path})
		2052	unless $self->default_region;
		2053
1363	1	2054	1
1364	}	2055	}
1365		2056
1366	sub find;	2057	sub find;
1367	sub find {	2058	sub find {
1368	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1369		2060
		2061	cf::cede_to_tick;
		2062
1370	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1371		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2067
1374	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1377	or return;	2070	or return;
1378		2071
1379	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1380		2073
1381	$map->load_header	2074	$map->load_header
1382	or return;	2075	or return;
1383		2076
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1387	$map->reset;	2082	$map->reset;
1388	undef $guard;
1389	return find $path;	2083	return find $path;
1390	}	2084	}
1391		2085
1392	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1393	}	2087	}
1394	}	2088	}
1395		2089
1396	sub pre_load { }	2090	sub pre_load { }
1397	sub post_load { }	2091	#sub post_load { } # XS
1398		2092
1399	sub load {	2093	sub load {
1400	my ($self) = @_;	2094	my ($self) = @_;
1401		2095
1402	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1403		2097
1404	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1406		2102
		2103	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2105
1409	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1410		2107
1411	$self->alloc;	2108	$self->alloc;
1412		2109
1413	$self->pre_load;	2110	$self->pre_load;
		2111	cf::cede_to_tick;
1414		2112
1415	$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)
1416	or return;	2116	or return;
1417		2117
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1419	if delete $self->{load_original};	2119	if delete $self->{load_original};
1420		2120
1421	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2122	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2125	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1426	}	2129	}
1427	}	2130	}
1428		2131
1429	Coro::cede;	2132	$f->resolve_delayed_derefs;
1430		2133
		2134	cf::cede_to_tick;
1431	# now do the right thing for maps	2135	# now do the right thing for maps
1432	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2138	unless $self->difficulty;
1442	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;
1443	$self->activate;	2146	$self->activate;
		2147	}
		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
		2152	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2153	}
1445		2154
1446	$self->post_load;	2155	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2156	}
1450		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
1451	sub customise_for {	2161	sub customise_for {
1452	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1453		2163
1454	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2165	if $self->per_player;
1456		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1457	$self	2170	$self
1458	}	2171	}
1459		2172
1460	# 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
1461	sub load_diag {	2174	sub load_neighbours {
1462	my ($map) = @_;	2175	my ($map) = @_;
1463		2176
1464	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1465		2178
1466	for (0 .. 3) {	2179	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1468	or next;	2181	or next;
1469	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1470	or next;	2183	or next;
1471	$neigh->load;	2184	$neigh->load;
1472		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2190	}
1476		2191
1477	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1479	or next;	2195	or next;
1480	$neigh->load;	2196	$neigh->load;
1481	}	2197	}
1482	}	2198	}
1483		2199
1484	sub find_sync {	2200	sub find_sync {
1485	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1486		2202
1487	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
1488	}	2207	}
1489		2208
1490	sub do_load_sync {	2209	sub do_load_sync {
1491	my ($map) = @_;	2210	my ($map) = @_;
1492		2211
1493	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;
1494	}	2216	}
1495		2217
1496	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1498		2220
1499	sub find_async {	2221	sub find_async {
1500	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1501		2223
1502	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1503		2225
1504	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2228	}
1507		2229
1508	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1509	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1510	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2237	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2238	$map->load if $v;
		2239	}
1515		2240
1516	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1517	}	2242	}
1518	}	2243	}
1519	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1520	};	2245	};
1521	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1522		2247
1523	()	2248	()
1524	}	2249	}
1525		2250
		2251	# common code, used by both ->save and ->swapout
1526	sub save {	2252	sub _save {
1527	my ($self) = @_;	2253	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2254
1531	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1532		2256
1533	return unless $self->dirty;	2257	return unless $self->dirty;
1534		2258
…		…
1540	return if $self->{deny_save};	2264	return if $self->{deny_save};
1541		2265
1542	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1543		2267
1544	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1546	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1547		2274
1548	if ($uniq) {	2275	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2278	} else {
1552	$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);
1553	}	2280	}
1554	}	2281	}
1555		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1556	sub swap_out {	2291	sub swap_out {
1557	my ($self) = @_;	2292	my ($self) = @_;
1558		2293
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1564	return if $self->players;	2298	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		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
1568	$self->clear;	2309	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2310	}
1571		2311
1572	sub reset_at {	2312	sub reset_at {
1573	my ($self) = @_;	2313	my ($self) = @_;
1574		2314
1575	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1578		2317
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	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;
1581		2320
…		…
1592	my ($self) = @_;	2331	my ($self) = @_;
1593		2332
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2334
1596	return if $self->players;	2335	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2336
1599	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
		2338
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# need to save uniques path
		2342	unless ($self->{deny_save}) {
		2343	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2344
		2345	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2346	if $uniq;
		2347	}
1600		2348
1601	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1602		2350
1603	$self->in_memory (cf::MAP_SWAPPED);	2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2353	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2354
1608	$self->unlink_save;	2355	$self->unlink_save;
1609	$self->destroy;	2356	$self->destroy;
1610	}	2357	}
1611		2358
1612	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1613		2360
1614	sub nuke {	2361	sub nuke {
1615	my ($self) = @_;	2362	my ($self) = @_;
1616		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1617	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1618		2368
1619	$self->unlink_save;	2369	$self->unlink_save;
1620		2370
1621	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2376
1627	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1628		2379
1629	$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	]
1630	}	2417	}
1631		2418
1632	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1633		2420
1634	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2422	instantiated unique items. May block.
1636		2423
1637	=cut	2424	=cut
1638		2425
1639	sub unique_maps() {	2426	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1641	or return;	2428	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2429	utf8::decode $_;
1647	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2432	? ()
1650	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2435	]
1652
1653	\@paths
1654	}	2436	}
1655		2437
1656	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	}
1657		2469
1658	=back	2470	=back
1659		2471
1660	=head3 cf::object	2472	=head3 cf::object
1661		2473
…		…
1665		2477
1666	=over 4	2478	=over 4
1667		2479
1668	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1669		2481
1670	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.
1671		2484
1672	=cut	2485	=cut
1673		2486
1674	sub inv_recursive_;	2487	sub inv_recursive_;
1675	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1678		2491
1679	sub inv_recursive {	2492	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1681	}	2494	}
1682		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
1683	package cf;	2524	package cf;
1684		2525
1685	=back	2526	=back
1686		2527
1687	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1693	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>
1694	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
1695	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1696		2537
1697	=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	};
1698		2553
1699	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2555	# with dialog boxes.
1701	#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
1702	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1704		2559
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2561
1707	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1709	} 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 {
1710	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1712	}	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 (@_);
1713	}	2587	}
1714		2588
1715	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1716		2590
1717	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1730		2604
1731	=item $player_object->enter_link	2605	=item $player_object->enter_link
1732		2606
1733	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}>).
1734		2608
1735	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.
1736	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.
1737		2613
1738	Will never block.	2614	Will never block.
1739		2615
1740	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1741		2617
…		…
1761	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2638	my ($self) = @_;
1763		2639
1764	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1765		2641
		2642	++$self->{_link_recursion};
		2643
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2645
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1770		2648
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2650	}
1773		2651
1774	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1776		2656
1777	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1778		2658
1779	unless ($map) {	2659	unless ($map) {
1780	# restore original map position	2660	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1793		2673
1794	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1797		2677
1798	$map->load;	2678	$map->load;
1799	$map->load_diag;	2679	$map->load_neighbours;
1800		2680
1801	return unless $self->contr->active;	2681	return unless $self->contr->active;
		2682
		2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2684	if ($self->enter_map ($map, $x, $y)) {
		2685	# entering was successful
		2686	delete $self->{_link_recursion};
		2687	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2688	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2689	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2690
1820	# try to abort aborted map switching on player login :)	2691	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2692
1838	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		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
1840	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1841		2707
1842	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1843	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;
1844		2719
1845	$self->enter_link;	2720	$self->enter_link;
1846		2721
1847	(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
1848	my $map = eval {	2744	my $map = eval {
1849	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1850	$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
1851	$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 $@;
1852	} or	2760	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1856	})->prio (1);	2768	})->prio (1);
1857	}	2769	}
1858		2770
1859	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1860		2772
…		…
1880	}	2792	}
1881		2793
1882	sub prepare_random_map {	2794	sub prepare_random_map {
1883	my ($exit) = @_;	2795	my ($exit) = @_;
1884		2796
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2799	# that depends on the exit object
1890		2800
1891	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2803	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1898	}	2810	}
1899		2811
1900	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1901		2813
1902	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1905		2817
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2820	undef $fh;
1909	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1910		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1913	}	2829	}
1914	}	2830	}
1915		2831
1916	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
1918		2834
1919	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
1920		2836
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2837	$self->enter_link;
1931		2838
1932	(async {	2839	(async {
1933	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
1934	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
1935	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
1936		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
1937	1;	2863	1
1938	}) {	2864	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "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. "
1941	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2869
1944	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	2871	$self->leave_link;
1946	}	2872	}
1947	})->prio (1);	2873	})->prio (1);
1948	}	2874	}
1949		2875
…		…
1960		2886
1961	sub cf::client::send_drawinfo {	2887	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2888	my ($self, $text, $flags) = @_;
1963		2889
1964	utf8::encode $text;	2890	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2892	}
1967		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
		3081	=item $client->ext_msg ($type, @msg)
		3082
		3083	Sends an ext event to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_msg($$@) {
		3088	my ($self, $type, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
		3093	push @msg, msgtype => "event_$type";
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
		3114	}
1968		3115
1969	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
1970		3117
1971	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
1972	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>,
1973	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>.
1974		3121
1975	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
1976	reliable at some point in the future.	3123	become reliable at some point in the future.
1977		3124
1978	=cut	3125	=cut
1979		3126
1980	sub cf::client::query {	3127	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3136	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3138
1992	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
1994	}	3143	}
1995		3144
1996	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	},
1997	on_reply => sub {	3151	on_reply => sub {
1998	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
1999		3153
2000	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2001	# get handled first	3155	# get handled first
2002	my $queue = delete $ns->{query_queue}	3156	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3157	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3158
2005	(shift @$queue)->[1]->($msg);	3159	(shift @$queue)->[1]->($msg);
		3160	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3161
2007	push @{ $ns->{query_queue} }, @$queue;	3162	push @{ $ns->{query_queue} }, @$queue;
2008		3163
2009	if (@{ $ns->{query_queue} } == @$queue) {	3164	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3165	if (@$queue) {
…		…
2012	} else {	3167	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3169	}
2015	}	3170	}
2016	},	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	},
2017	);	3198	);
2018		3199
2019	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2020		3201
2021	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3218
2038	$coro	3219	$coro
2039	}	3220	}
2040		3221
2041	cf::client->attach (	3222	cf::client->attach (
2042	on_destroy => sub {	3223	on_client_destroy => sub {
2043	my ($ns) = @_;	3224	my ($ns) = @_;
2044		3225
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3227	},
2047	);	3228	);
…		…
2062	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2064		3245
2065	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2066		3247
2067	$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	));
2068		3253
2069	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2070		3255
2071	=pod	3256	=pod
2072		3257
2073	The following fucntions and emthods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2074		3259
2075	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
2076	cf::object::player player	3265	cf::object::player
2077	cf::player peaceful	3266	player
2078	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2079		3273
2080	=cut	3274	=cut
2081		3275
2082	for (	3276	for (
2083	["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)],
2084	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2087	) {	3283	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3286	for @funs;
2092	}	3287	}
2093		3288
…		…
2108		3303
2109	my $qcode = $code;	3304	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2112		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2113	local $_;	3311	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3312
2116	my $eval =	3313	my $eval =
2117	"do {\n"	3314	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3317	. $code
2121	. "\n}"	3318	. "\n}"
2122	;	3319	;
2123		3320
		3321	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	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	}
2127		3330
2128	if ($@) {	3331	if ($@) {
2129	warn "$@";	3332	warn "$@",
2130	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2132	}	3335	}
2133		3336
2134	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2135	}	3338	}
2136		3339
…		…
2150	=cut	3353	=cut
2151		3354
2152	sub register_script_function {	3355	sub register_script_function {
2153	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2154		3357
2155	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2157	}	3360	}
2158		3361
2159	=back	3362	=back
2160		3363
2161	=cut	3364	=cut
2162		3365
2163	#############################################################################	3366	#############################################################################
		3367	# the server's init and main functions
2164		3368
2165	=head2 EXTENSION DATABASE SUPPORT	3369	sub load_facedata($) {
		3370	my ($path) = @_;
2166		3371
2167	Crossfire maintains a very simple database for extension use. It can	3372	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3373	# for this (global event?)
2169	excludes objects.	3374	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3375
2171	The parameter C<$family> should best start with the name of the extension	3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3377
2174	=over 4	3378	trace "loading facedata from $path\n";
2175		3379
2176	=item $hashref = cf::db_get $family	3380	0 < aio_load $path, my $facedata
		3381	or die "$path: $!";
2177		3382
2178	Return a hashref for use by the extension C<$family>, which can be	3383	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3384
2182	=item $value = cf::db_get $family => $key	3385	$facedata->{version} == 2
		3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3387
2184	Returns a single value from the database	3388	# patch in the exptable
2185		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2186	=item cf::db_put $family => $hashref	3390	$facedata->{resource}{"res/exp_table"} = {
2187		3391	type => FT_RSRC,
2188	Stores the given family hashref into the database. Updates are delayed, if	3392	data => $exp_table,
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3393	hash => (Digest::MD5::md5 $exp_table),
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3394	};
		3395	cf::cede_to_tick;
2214		3396
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3397	{
		3398	my $faces = $facedata->{faceinfo};
2226		3399
2227	my $dirty;	3400	while (my ($face, $info) = each %$faces) {
		3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3402
2229	sub db_sync() {	3403	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3404	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2233		3407
2234	my $idle = Event->idle (	3408	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3409	}
2268	);
2269	}
2270		3410
2271	#############################################################################	3411	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3412	next unless $info->{smooth};
2273		3413
2274	sub cfg_load {	3414	my $idx = cf::face::find $face
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3415	or next;
2276	or return;
2277		3416
2278	local $/;	3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
		3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3420	} else {
		3421	error "smooth face '$info->{smooth}' not found for face '$face'";
		3422	}
		3423
		3424	cf::cede_to_tick;
		3425	}
		3426	}
		3427
		3428	{
		3429	my $anims = $facedata->{animinfo};
		3430
		3431	while (my ($anim, $info) = each %$anims) {
		3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	cf::anim::invalidate_all; # d'oh
		3437	}
		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
		3458	1
		3459	}
		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
		3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
		3484	load_resource_file "$MAPDIR/regions"
		3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
		3491	}
		3492
		3493	sub reload_facedata {
		3494	load_facedata "$DATADIR/facedata"
		3495	or die "unable to load facedata\n";
		3496	}
		3497
		3498	sub reload_archetypes {
		3499	load_resource_file "$DATADIR/archetypes"
		3500	or die "unable to load archetypes\n";
		3501	}
		3502
		3503	sub reload_treasures {
		3504	load_resource_file "$DATADIR/treasures"
		3505	or die "unable to load treasurelists\n";
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		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 => $face;
		3528	}
		3529	}
		3530
		3531	sub reload_resources {
		3532	trace "reloading resource files...\n";
		3533
		3534	reload_exp_table;
		3535	reload_materials;
		3536	reload_facedata;
		3537	reload_sound;
		3538	reload_archetypes;
		3539	reload_regions;
		3540	reload_treasures;
		3541
		3542	trace "finished reloading resource files\n";
		3543	}
		3544
		3545	sub reload_config {
		3546	trace "reloading config file...\n";
		3547
		3548	0 < aio_load "$CONFDIR/config", my $config
		3549	or die "$CONFDIR/config: $!";
		3550
		3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2279	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2280		3555
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3557
2283	$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};
2284	$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};
2285		3560
2286	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2290	};	3565	};
2291	warn $@ if $@;	3566	warn $@ if $@;
2292	}	3567	}
2293	}	3568	}
2294		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
2295	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
2296	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2298	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#
2299	(async {	3611	(async {
2300	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2302	};	3615	};
2303		3616
2304	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
2305	db_load;	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;
		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
2306	load_extensions;	3640	load_extensions;
2307		3641
2308	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2309	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;
2310	}	3660	}
2311		3661
2312	#############################################################################	3662	#############################################################################
2313	# initialisation and cleanup	3663	# initialisation and cleanup
2314		3664
2315	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2316	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2325	},
2326	);	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
2327	}	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 };
2328	}	3761	}
2329		3762
2330	sub emergency_save() {	3763	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2332		3765
2333	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;
2334		3772
2335	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2336	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3784	$pl->save;
2344	}	3785	}
2345	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2346		3787
2347	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";
2348	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3793	$map->valid or next;
2351	$map->save;	3794	$map->save;
2352	}	3795	}
2353	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		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 $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3826	};
2355		3827
2356	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2357	}	3829	}
2358		3830
		3831	sub post_cleanup {
		3832	my ($make_core) = @_;
		3833
		3834	IO::AIO::flush;
		3835
		3836	error Carp::longmess "post_cleanup backtrace"
		3837	if $make_core;
		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
2359	sub reload() {	3868	sub do_reload_perl() {
2360	# can/must only be called in main	3869	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2362	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2363	return;	3872	return;
2364	}	3873	}
2365		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2366	warn "reloading...";	3881	info "reloading...";
2367		3882
2368	warn "cancelling server ticker";	3883	trace "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3884
		3885	cf::sync_job {
2371	cf::emergency_save;	3886	#cf::emergency_save;
2372		3887
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3890	%EXT_CORO = ();
2395		3891
2396	warn "removing commands";	3892	trace "removing commands";
2397	%COMMAND = ();	3893	%COMMAND = ();
2398		3894
2399	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2400	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2401		3898
2402	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2405		3902
2406	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2407	eval {	3904	eval {
2408	$cb->($pkg);	3905	$cb->($pkg);
2409	1	3906	1
2410	} 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;
2411	}	3912	}
2412		3913
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3917
2421	warn "... unloading $k";	3918	trace "... unloading $k";
2422	delete $INC{$k};	3919	delete $INC{$k};
2423		3920
2424	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2426		3923
2427	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2429	}	3929	}
2430		3930
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2436	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);
2437		3934
2438	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		3938
2441	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3940	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2444		3942
2445	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2446		3944
2447	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2448	require cf;	3946	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2450		3948
2451	warn "loading config and database again";	3949	trace "loading config and database again";
2452	cf::cfg_load;	3950	cf::reload_config;
2453	cf::db_load;
2454		3951
2455	warn "loading extensions";	3952	trace "loading extensions";
2456	cf::load_extensions;	3953	cf::load_extensions;
2457		3954
		3955	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2459	_global_reattach;	3957	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
		3960	trace "reattaching attachments to players";
		3961	reattach $_ for values %PLAYER;
		3962	}
2462		3963
2463	warn "restarting server ticker";	3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
2464		3966
2465	$TICK_WATCHER->start;	3967	trace "leaving sync_job";
		3968
		3969	1
		3970	} or do {
		3971	error $@;
		3972	cf::cleanup "error while reloading, exiting.";
		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	};
2466	};	3996	};
2467		3997	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3998
2479	register_command "reload" => sub {	3999	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2481		4001
2482	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2484		4004	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4006	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4007	};
2497	}	4008	}
2498	};	4009	};
2499		4010
2500	unshift @INC, $LIBDIR;	4011	#############################################################################
2501		4012
2502	my $bug_warning = 0;	4013	my $bug_warning = 0;
2503		4014
2504	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2505	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	4017
2507	prio => 0,	4018	sub wait_for_tick() {
2508	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	4020
2510	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin() {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2511	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2512	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"
2513	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2514	return;	4038	return;
2515	}	4039	}
2516		4040
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		4042
2523	$WAIT_FOR_TICK->broadcast;	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4044
2526	Event::sweep;	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	Coro::cede_notself;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
		4049	write_runtime_sync
		4050	or error "ERROR: unable to write runtime file: $!";
		4051	};
		4052	}
		4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
2528		4069	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4070	}
2538	);	4071	}
2539		4072
		4073	{
		4074	# configure BDB
		4075
		4076	BDB::min_parallel 16;
		4077	BDB::max_poll_reqs $TICK * 0.1;
		4078	$AnyEvent::BDB::WATCHER->priority (1);
		4079
		4080	unless ($DB_ENV) {
		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);
		4087
		4088	cf::sync_job {
		4089	eval {
		4090	BDB::db_env_open
		4091	$DB_ENV,
		4092	$BDBDIR,
		4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4095	0666;
		4096
		4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4098	};
		4099
		4100	cf::cleanup "db_env_open(db): $@" if $@;
		4101	};
		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	};
		4113	}
		4114
		4115	{
		4116	# configure IO::AIO
		4117
		4118	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
		4120	undef $AnyEvent::AIO::WATCHER;
		4121	}
2541		4122
2542	undef $Coro::AIO::WATCHER;	4123	my $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4124
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4125	sub _log_backtrace {
2553	reentrant => 0,	4126	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4127
2555	after => 1,	4128	$msg =~ s/\n//;
2556	interval => 10,	4129
2557	prio => 6, # keep it lowest so it acts like a watchdog	4130	# limit the # of concurrent backtraces
2558	cb => Coro::unblock_sub {	4131	if ($_log_backtrace < 2) {
2559	write_runtime	4132	++$_log_backtrace;
2560	or warn "ERROR: unable to write runtime file: $!";	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] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	4162	}
2562	);	4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2563		4168
2564	END { cf::emergency_save }	4169	END { cf::emergency_save }
2565		4170
2566	1	4171	1
2567		4172

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