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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 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 $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
219	}	386	}
220		387
221	=item cf::lock_wait $string	388	=item cf::lock_wait $string
222		389
223	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
224		391
225	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
226		393
227	Wait until the given lock is available and then acquires it and returns	394	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,	395	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	396	for example when the coroutine gets canceled), the lock is automatically
230	returned.	397	returned.
231		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
232	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
234		404
235	=cut	405	=item $locked = cf::lock_active $string
236		406
237	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
238		412
239	sub lock_wait($) {	413	sub lock_wait($) {
240	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	415	}
248		416
249	sub lock_acquire($) {	417	sub lock_acquire($) {
250	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
251		420
252	# wait, to be sure we are not locked	421	sub lock_active($) {
253	lock_wait $key;	422	$LOCKS->count ($_[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	}	423	}
262		424
263	sub freeze_mainloop {	425	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
265		427
266	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	429	}
268	$WRITE_RUNTIME_WATCHER->start;	430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
269	};	495	}
270	$WRITE_RUNTIME_WATCHER->stop;	496	};
271	$TICK_WATCHER->stop;	497
272	$guard	498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
273	}	511	}
274		512
275	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
276		514
277	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		520
283	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
284		522
285	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
286		524
287	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
290		529
291	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
294	fast or be very important.	533	fast or be very important.
…		…
296	=cut	535	=cut
297		536
298	sub sync_job(&) {	537	sub sync_job(&) {
299	my ($job) = @_;	538	my ($job) = @_;
300		539
301	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
302	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
304		545
305	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	547
307	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
308		549
309	my $busy = 1;	550	my $busy = 1;
310	my @res;	551	my @res;
311		552
312	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	555	@res = eval { $job->() };
314	warn $@ if $@;	556	error $@ if $@;
315	undef $busy;	557	undef $busy;
316	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
317		559
318	while ($busy) {	560	while ($busy) {
319	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
320	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
321		571
322	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
323	} else {	573	} else {
324	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
325		575
…		…
345	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
346		596
347	$coro	597	$coro
348	}	598	}
349		599
350	sub write_runtime {	600	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		601
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
354	or return;	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
355		606
356	my $value = $cf::RUNTIME + 90 + 10;	607	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		608
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	sub post_fork {
361	and return;	610	reset_signals;
		611	}
362		612
363	aio_fsync $fh	613	sub fork_call(&@) {
364	and return;	614	my ($cb, @args) = @_;
365		615
366	close $fh	616	# we seemingly have to make a local copy of the whole thing,
367	or return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
368		619
369	aio_rename "$runtime~", $runtime	620	my @res = Coro::Util::fork_eval {
370	and return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
371		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
372	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	804	}
374		805
375	=back	806	=back
376		807
377	=cut	808	=cut
378		809
379	#############################################################################	810	#############################################################################
380		811
381	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
382		813
383	Many objects in crossfire are so-called attachable objects. That means you can	814	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")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
386		817
387	In the following description, CLASS can be any of C<global>, C<object>	818	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	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	820	Deliantra).
390		821
391	=over 4	822	=over 4
392		823
393	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
394		825
…		…
438	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
439		870
440	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
442		873
443	Some classes such as crossfire maps and objects can specify attachments	874	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.	875	that are attached at load/instantiate time, thus the need for a name.
445		876
446	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
447		878
448	=over 4	879	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
558		989
559	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		994
564	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	996	my $pkg = shift @arg;
566		997
567	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
572		1003
573	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1006
576	} elsif (ref $type) {	1007	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
578		1009
579	} else {	1010	} else {
580	shift @arg;	1011	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
582	}	1013	}
583	}	1014	}
584	}	1015	}
585		1016
586	sub _object_attach {	1017	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
597	}	1028	}
598		1029
599	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
600	} else {	1031	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1033	}
603		1034
604	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
605	}	1036	}
606		1037
…		…
608	if (ref $_[0]) {	1039	if (ref $_[0]) {
609	_object_attach @_;	1040	_object_attach @_;
610	} else {	1041	} else {
611	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
612	}	1043	}
		1044	_recalc_want;
613	};	1045	};
614		1046
615	# all those should be optimised	1047	# all those should be optimised
616	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1053	reattach ($obj);
622	} else {	1054	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
624	}	1056	}
		1057	_recalc_want;
625	};	1058	};
626		1059
627	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
629		1062
…		…
644	";	1077	";
645	die if $@;	1078	die if $@;
646	}	1079	}
647		1080
648	our $override;	1081	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1083
651	sub override {	1084	sub override {
652	$override = 1;	1085	$override = 1;
653	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
654	}	1087	}
655		1088
656	sub do_invoke {	1089	sub do_invoke {
657	my $event = shift;	1090	my $event = shift;
658	my $callbacks = shift;	1091	my $callbacks = shift;
659		1092
660	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
661		1094
662	local $override;	1095	local $override;
663		1096
664	for (@$callbacks) {	1097	for (@$callbacks) {
665	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
666		1099
667	if ($@) {	1100	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1102	override;
671	}	1103	}
672		1104
673	return 1 if $override;	1105	return 1 if $override;
674	}	1106	}
675		1107
676	0	1108	0
677	}	1109	}
678		1110
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1112
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1114
683	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
684		1116
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	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	1118	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1120
689	=back	1121	=back
690		1122
691	=cut	1123	=cut
692		1124
693	#############################################################################	1125	#############################################################################
694	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
695		1169
696	sub reattach {	1170	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1172	my ($obj) = @_;
699		1173
		1174	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1176
702	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
703		1178
704	@$registry = ();	1179	@$registry = ();
705		1180
…		…
710	for (@$attach) {	1185	for (@$attach) {
711	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
713	}	1188	}
714	} else {	1189	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1191	}
717	}	1192	}
718	}	1193	}
719		1194
720	cf::attachable->attach (	1195	cf::attachable->attach (
721	prio => -1000000,	1196	prio => -1000000,
722	on_instantiate => sub {	1197	on_instantiate => sub {
723	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
724		1199
725	$data = from_json $data;	1200	$data = decode_json $data;
726		1201
727	for (@$data) {	1202	for (@$data) {
728	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
729		1204
730	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1221	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
748		1223
749	sync_job {	1224	sync_job {
750	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
753		1230
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1234	if ($cf::USE_FSYNC) {
		1235	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;	1236	aio_fsync $fh;
		1237	}
758	close $fh;	1238	aio_close $fh;
759		1239
760	if (@$objs) {	1240	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
		1245	if ($cf::USE_FSYNC) {
		1246	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;	1247	aio_fsync $fh;
		1248	}
766	close $fh;	1249	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
768	}	1251	}
769	} else {	1252	} else {
770	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
771	}	1254	}
772		1255
773	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1260	} else {
775	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
776	}	1262	}
777	} else {	1263	} else {
778	aio_unlink $filename;	1264	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
780	}	1266	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1267	};
788	}	1268	}
789		1269
790	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
792		1272
…		…
797		1277
798	sub object_thawer_load {	1278	sub object_thawer_load {
799	my ($filename) = @_;	1279	my ($filename) = @_;
800		1280
801	my ($data, $av);	1281	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1282
806	(aio_load $filename, $data) >= 0	1283	(aio_load $filename, $data) >= 0
807	or return;	1284	or return;
808		1285
809	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
811	or return;	1288	or return;
		1289
812	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
813	}	1292	}
814		1293
		1294	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
817	return ($data, $av);	1299	($data, $av)
818	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
819		1307
820	#############################################################################	1308	#############################################################################
821	# command handling &c	1309	# command handling &c
822		1310
823	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1325	}
838		1326
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1328
841	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
842		1334
843	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
844	called.	1336	called.
845		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
846	=cut	1349	=cut
847		1350
848	sub register_extcmd {	1351	sub register_extcmd {
849	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
850		1353
851	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
852	}	1355	}
853		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
854	cf::player->attach (	1365	cf::player->attach (
855	on_command => sub {	1366	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
857		1368
858	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
859	or return;	1370	or return;
860		1371
…		…
865	cf::override;	1376	cf::override;
866	},	1377	},
867	on_extcmd => sub {	1378	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
869		1380
870	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1382
872	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
878	} else {	1398	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1400	}
881		1401
882	cf::override;	1402	cf::override;
883	},	1403	},
884	);	1404	);
885		1405
		1406	# "readahead" all extensions
886	sub load_extension {	1407	sub cache_extensions {
887	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
888		1409
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1412	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	}	1413	}
914	die $@;
915	}	1414	};
916		1415
917	push @EXTS, $pkg;	1416	$grp
918	}	1417	}
919		1418
920	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
921	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1426	next unless -r $path;
923	eval {	1427
924	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
925	1	1491	}
926	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
927	}	1502	};
928	}	1503	}
929		1504
930	#############################################################################	1505	#############################################################################
931		1506
		1507	=back
		1508
932	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
933		1510
934	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
935		1512
936	=cut	1513	=cut
937		1514
938	package cf::player;	1515	package cf::player;
939		1516
…		…
941		1518
942	=head3 cf::player	1519	=head3 cf::player
943		1520
944	=over 4	1521	=over 4
945		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
946	=item cf::player::find $login	1537	=item cf::player::find $login
947		1538
948	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
949		1540
950	=cut	1541	=cut
951		1542
952	sub playerdir($) {	1543	sub playerdir($) {
953	cf::localdir	1544	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1546	}
959		1547
960	sub path($) {	1548	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1550
963	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
964	}	1552	}
965		1553
966	sub find_active($) {	1554	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
971		1559
972	sub exists($) {	1560	sub exists($) {
973	my ($login) = @_;	1561	my ($login) = @_;
974		1562
975	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
977	}	1565	}
978		1566
979	sub find($) {	1567	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1569	my $login = $_[0];
982		1570
983	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
984		1572
985	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
987	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
989	}	1590	}
990	}	1591	}
991	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
992		1606
993	sub save($) {	1607	sub save($) {
994	my ($pl) = @_;	1608	my ($pl) = @_;
995		1609
996	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1002		1616
1003	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1005		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1006	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1007	Coro::cede;	1626	cf::cede_to_tick;
1008	}	1627	}
1009		1628
1010	sub new($) {	1629	sub new($) {
1011	my ($login) = @_;	1630	my ($login) = @_;
1012		1631
…		…
1018	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1019		1638
1020	$self	1639	$self
1021	}	1640	}
1022		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1023	=item $pl->quit_character	1652	=item $pl->quit_character
1024		1653
1025	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1027		1656
1028	=cut	1657	=cut
1029		1658
1030	sub quit_character {	1659	sub quit_character {
1031	my ($pl) = @_;	1660	my ($pl) = @_;
1032		1661
		1662	my $name = $pl->ob->name;
		1663
1033	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1666
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1039	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1040		1675
1041	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1680	$pl->destroy;
		1681
		1682	my $prefix = qr<^~\Q$name\E/>;
		1683
		1684	# nuke player maps
		1685	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1686
1046	IO::AIO::aio_rmtree $temp;	1687	IO::AIO::aio_rmtree $temp;
		1688	}
		1689
		1690	=item $pl->kick
		1691
		1692	Kicks a player out of the game. This destroys the connection.
		1693
		1694	=cut
		1695
		1696	sub kick {
		1697	my ($pl, $kicker) = @_;
		1698
		1699	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1700	$pl->killer ("kicked");
		1701	$pl->ns->destroy;
1047	}	1702	}
1048		1703
1049	=item cf::player::list_logins	1704	=item cf::player::list_logins
1050		1705
1051	Returns am arrayref of all valid playernames in the system, can take a	1706	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1053		1708
1054	=cut	1709	=cut
1055		1710
1056	sub list_logins {	1711	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1713	or return [];
1059		1714
1060	my @logins;	1715	my @logins;
1061		1716
1062	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1066		1727
1067	utf8::decode $login;	1728	utf8::decode $login;
1068	push @logins, $login;	1729	push @logins, $login;
1069	}	1730	}
1070		1731
1071	\@logins	1732	\@logins
1072	}	1733	}
1073		1734
1074	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1075		1738
1076	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1077	player. May block.	1740	player. May block.
1078		1741
1079	=cut	1742	=cut
…		…
1097	}	1760	}
1098		1761
1099	\@paths	1762	\@paths
1100	}	1763	}
1101		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1103		1770
1104	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1105		1772
1106	=cut	1773	=cut
1107		1774
1108	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1110		1777
1111	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1779	}
1115		1780
1116	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1117		1823
1118	=back	1824	=back
1119
1120		1825
1121	=head3 cf::map	1826	=head3 cf::map
1122		1827
1123	=over 4	1828	=over 4
1124		1829
…		…
1136	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1138		1843
1139	sub generate_random_map {	1844	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1141	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1850	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1164		1872
1165	sub register {	1873	sub register {
1166	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1875	my $pkg = caller;
1168		1876
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1878
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1880	}
1174		1881
1175	# also paths starting with '/'	1882	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1884
1178	sub thawer_merge {	1885	sub thawer_merge {
1179	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1180		1887
1181	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1182	local $self->{path};	1889	local $self->{path};
1183	local $self->{load_path};	1890	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1891
1187	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1188	}	1893	}
1189		1894
1190	sub normalise {	1895	sub normalise {
1191	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1192		1897
1193	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1194		1899
1195	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1196		1901
1197	# map plan:	1902	# map plan:
1198	#	1903	#
…		…
1237	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1238	return $self;	1943	return $self;
1239	}	1944	}
1240	}	1945	}
1241		1946
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1948	()
1244	}	1949	}
1245		1950
1246	sub init {	1951	sub init {
1247	my ($self) = @_;	1952	my ($self) = @_;
…		…
1262		1967
1263	# the original (read-only) location	1968	# the original (read-only) location
1264	sub load_path {	1969	sub load_path {
1265	my ($self) = @_;	1970	my ($self) = @_;
1266		1971
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1268	}	1973	}
1269		1974
1270	# the temporary/swap location	1975	# the temporary/swap location
1271	sub save_path {	1976	sub save_path {
1272	my ($self) = @_;	1977	my ($self) = @_;
1273		1978
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1276	}	1981	}
1277		1982
1278	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1279	sub uniq_path {	1984	sub uniq_path {
1280	my ($self) = @_;	1985	my ($self) = @_;
1281		1986
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1284	}	1989	}
1285		1990
1286	# and all this just because we cannot iterate over	1991	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1992	my ($self) = @_;
1290		1993
1291	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1293	}	1997	}
1294		1998
1295	sub unlink_save {	1999	sub unlink_save {
1296	my ($self) = @_;	2000	my ($self) = @_;
1297		2001
1298	utf8::encode (my $save = $self->save_path);	2002	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2003	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2004	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2005	}
1307		2006
1308	sub load_header_from($) {	2007	sub load_header_from($) {
1309	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1310		2009
1311	utf8::encode $path;	2010	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1317		2019
1318	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1319		2021
1320	1	2022	1
1321	}	2023	}
…		…
1360	$self->load_header_orig	2062	$self->load_header_orig
1361	or return;	2063	or return;
1362	$self->prepare_orig;	2064	$self->prepare_orig;
1363	}	2065	}
1364		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
		2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
1365	1	2073	1
1366	}	2074	}
1367		2075
1368	sub find;	2076	sub find;
1369	sub find {	2077	sub find {
1370	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1371		2079
		2080	cf::cede_to_tick;
		2081
1372	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1373		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2086
1376	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1379	or return;	2089	or return;
1380		2090
1381	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1382		2092
1383	$map->load_header	2093	$map->load_header
1384	or return;	2094	or return;
1385		2095
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1389	$map->reset;	2101	$map->reset;
1390	undef $guard;
1391	return find $path;	2102	return find $path;
1392	}	2103	}
1393		2104
1394	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1395	}	2106	}
1396	}	2107	}
1397		2108
1398	sub pre_load { }	2109	sub pre_load { }
1399	sub post_load { }	2110	#sub post_load { } # XS
1400		2111
1401	sub load {	2112	sub load {
1402	my ($self) = @_;	2113	my ($self) = @_;
1403		2114
1404	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1405		2116
1406	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1408		2121
		2122	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2124
1411	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1412		2126
1413	$self->alloc;	2127	$self->alloc;
1414		2128
1415	$self->pre_load;	2129	$self->pre_load;
		2130	cf::cede_to_tick;
1416		2131
1417	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1418	or return;	2135	or return;
1419		2136
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1421	if delete $self->{load_original};	2138	if delete $self->{load_original};
1422		2139
1423	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2141	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2144	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1428	}	2148	}
1429	}	2149	}
1430		2150
1431	Coro::cede;	2151	$f->resolve_delayed_derefs;
1432		2152
		2153	cf::cede_to_tick;
1433	# now do the right thing for maps	2154	# now do the right thing for maps
1434	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2157	unless $self->difficulty;
1444	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1445	$self->activate;	2165	$self->activate;
		2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2172	}
1447		2173
1448	$self->post_load;	2174	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2175	}
1452		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2180	sub customise_for {
1454	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1455		2182
1456	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2184	if $self->per_player;
1458		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1459	$self	2189	$self
1460	}	2190	}
1461		2191
1462	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2193	sub load_neighbours {
1464	my ($map) = @_;	2194	my ($map) = @_;
1465		2195
1466	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1467		2197
1468	for (0 .. 3) {	2198	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1470	or next;	2200	or next;
1471	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1472	or next;	2202	or next;
1473	$neigh->load;	2203	$neigh->load;
1474		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2209	}
1478		2210
1479	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1481	or next;	2214	or next;
1482	$neigh->load;	2215	$neigh->load;
1483	}	2216	}
1484	}	2217	}
1485		2218
1486	sub find_sync {	2219	sub find_sync {
1487	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1488		2221
1489	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1490	}	2226	}
1491		2227
1492	sub do_load_sync {	2228	sub do_load_sync {
1493	my ($map) = @_;	2229	my ($map) = @_;
1494		2230
1495	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1496	}	2235	}
1497		2236
1498	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1500		2239
1501	sub find_async {	2240	sub find_async {
1502	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1503		2242
1504	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1505		2244
1506	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2247	}
1509		2248
1510	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1511	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1512	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2256	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2257	$map->load if $v;
		2258	}
1517		2259
1518	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1519	}	2261	}
1520	}	2262	}
1521	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1522	};	2264	};
1523	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1524		2266
1525	()	2267	()
1526	}	2268	}
1527		2269
		2270	# common code, used by both ->save and ->swapout
1528	sub save {	2271	sub _save {
1529	my ($self) = @_;	2272	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2273
1533	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1534		2275
1535	return unless $self->dirty;	2276	return unless $self->dirty;
1536		2277
…		…
1542	return if $self->{deny_save};	2283	return if $self->{deny_save};
1543		2284
1544	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1545		2286
1546	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1548	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1549		2293
1550	if ($uniq) {	2294	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2297	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2299	}
1556	}	2300	}
1557		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1558	sub swap_out {	2310	sub swap_out {
1559	my ($self) = @_;	2311	my ($self) = @_;
1560		2312
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1566	return if $self->players;	2317	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1570	$self->clear;	2328	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2329	}
1573		2330
1574	sub reset_at {	2331	sub reset_at {
1575	my ($self) = @_;	2332	my ($self) = @_;
1576		2333
1577	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1580		2336
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2339
…		…
1594	my ($self) = @_;	2350	my ($self) = @_;
1595		2351
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2353
1598	return if $self->players;	2354	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2355
1601	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
		2357
		2358	$self->in_memory (cf::MAP_SWAPPED);
		2359
		2360	# need to save uniques path
		2361	unless ($self->{deny_save}) {
		2362	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2363
		2364	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2365	if $uniq;
		2366	}
1602		2367
1603	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1604		2369
1605	$self->in_memory (cf::MAP_SWAPPED);	2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2372	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2373
1610	$self->unlink_save;	2374	$self->unlink_save;
1611	$self->destroy;	2375	$self->destroy;
1612	}	2376	}
1613		2377
1614	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1615		2379
1616	sub nuke {	2380	sub nuke {
1617	my ($self) = @_;	2381	my ($self) = @_;
1618		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1619	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1620		2387
1621	$self->unlink_save;	2388	$self->unlink_save;
1622		2389
1623	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2395
1629	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1630		2398
1631	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1632	}	2436	}
1633		2437
1634	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1635		2439
1636	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2441	instantiated unique items. May block.
1638		2442
1639	=cut	2443	=cut
1640		2444
1641	sub unique_maps() {	2445	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1643	or return;	2447	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2448	utf8::decode $_;
1649	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2451	? ()
1652	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2454	]
1654
1655	\@paths
1656	}	2455	}
1657		2456
1658	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1659		2488
1660	=back	2489	=back
1661		2490
1662	=head3 cf::object	2491	=head3 cf::object
1663		2492
…		…
1667		2496
1668	=over 4	2497	=over 4
1669		2498
1670	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1671		2500
1672	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1673		2503
1674	=cut	2504	=cut
1675		2505
1676	sub inv_recursive_;	2506	sub inv_recursive_;
1677	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1680		2510
1681	sub inv_recursive {	2511	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1683	}	2513	}
1684		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1685	package cf;	2543	package cf;
1686		2544
1687	=back	2545	=back
1688		2546
1689	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1698		2556
1699	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1700		2572
1701	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2574	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1706		2578
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2580
1709	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1711	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1714	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1715	}	2606	}
1716		2607
1717	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1718		2609
1719	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1732		2623
1733	=item $player_object->enter_link	2624	=item $player_object->enter_link
1734		2625
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2627
1737	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1739		2632
1740	Will never block.	2633	Will never block.
1741		2634
1742	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1743		2636
…		…
1763	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2657	my ($self) = @_;
1765		2658
1766	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1767		2660
		2661	++$self->{_link_recursion};
		2662
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2664
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1772		2667
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2669	}
1775		2670
1776	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1778		2675
1779	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1780		2677
1781	unless ($map) {	2678	unless ($map) {
1782	# restore original map position	2679	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1795		2692
1796	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1799		2696
1800	$map->load;	2697	$map->load;
1801	$map->load_diag;	2698	$map->load_neighbours;
1802		2699
1803	return unless $self->contr->active;	2700	return unless $self->contr->active;
		2701
		2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2703	if ($self->enter_map ($map, $x, $y)) {
		2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2707	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2708	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2709
1822	# try to abort aborted map switching on player login :)	2710	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2711
1840	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1842	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1843		2726
1844	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2738
1847	$self->enter_link;	2739	$self->enter_link;
1848		2740
1849	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1850	my $map = eval {	2763	my $map = eval {
1851	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1853	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2779	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1858	})->prio (1);	2787	})->prio (1);
1859	}	2788	}
1860		2789
1861	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1862		2791
…		…
1882	}	2811	}
1883		2812
1884	sub prepare_random_map {	2813	sub prepare_random_map {
1885	my ($exit) = @_;	2814	my ($exit) = @_;
1886		2815
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2818	# that depends on the exit object
1892		2819
1893	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2822	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1900	}	2829	}
1901		2830
1902	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1903		2832
1904	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1907		2836
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2839	undef $fh;
1911	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1912		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1915	}	2848	}
1916	}	2849	}
1917		2850
1918	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
1920		2853
1921	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1922		2855
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2856	$self->enter_link;
1933		2857
1934	(async {	2858	(async {
1935	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1936	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
1937	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
1938		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1939	1;	2882	1
1940	}) {	2883	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2888
1946	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2890	$self->leave_link;
1948	}	2891	}
1949	})->prio (1);	2892	})->prio (1);
1950	}	2893	}
1951		2894
…		…
1962		2905
1963	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1965		2908
1966	utf8::encode $text;	2909	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2911	}
1969		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
1970		3134
1971	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1972		3136
1973	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3140
1977	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3142	become reliable at some point in the future.
1979		3143
1980	=cut	3144	=cut
1981		3145
1982	sub cf::client::query {	3146	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3155	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3157
1994	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
1996	}	3162	}
1997		3163
1998	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
1999	on_reply => sub {	3170	on_reply => sub {
2000	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2001		3172
2002	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2003	# get handled first	3174	# get handled first
2004	my $queue = delete $ns->{query_queue}	3175	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	3176	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		3177
2007	(shift @$queue)->[1]->($msg);	3178	(shift @$queue)->[1]->($msg);
		3179	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		3180
2009	push @{ $ns->{query_queue} }, @$queue;	3181	push @{ $ns->{query_queue} }, @$queue;
2010		3182
2011	if (@{ $ns->{query_queue} } == @$queue) {	3183	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	3184	if (@$queue) {
…		…
2014	} else {	3186	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	3188	}
2017	}	3189	}
2018	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2019	);	3217	);
2020		3218
2021	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2022		3220
2023	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039		3237
2040	$coro	3238	$coro
2041	}	3239	}
2042		3240
2043	cf::client->attach (	3241	cf::client->attach (
2044	on_destroy => sub {	3242	on_client_destroy => sub {
2045	my ($ns) = @_;	3243	my ($ns) = @_;
2046		3244
2047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2048	},	3246	},
2049	);	3247	);
…		…
2064	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2066		3264
2067	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2068		3266
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2070		3272
2071	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2072		3274
2073	=pod	3275	=pod
2074		3276
2075	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2076		3278
2077	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2078	cf::object::player player	3284	cf::object::player
2079	cf::player peaceful	3285	player
2080	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2081		3292
2082	=cut	3293	=cut
2083		3294
2084	for (	3295	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2086	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2088	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2089	) {	3302	) {
2090	no strict 'refs';
2091	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2092	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2093	for @funs;	3305	for @funs;
2094	}	3306	}
2095		3307
…		…
2110		3322
2111	my $qcode = $code;	3323	my $qcode = $code;
2112	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2113	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2114		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2115	local $_;	3330	local $_;
2116	local @safe::cf::_safe_eval_args = values %vars;
2117		3331
2118	my $eval =	3332	my $eval =
2119	"do {\n"	3333	"do {\n"
2120	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2121	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2122	. $code	3336	. $code
2123	. "\n}"	3337	. "\n}"
2124	;	3338	;
2125		3339
		3340	if ($CFG{safe_eval}) {
2126	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2127	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2128	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2129		3349
2130	if ($@) {	3350	if ($@) {
2131	warn "$@";	3351	warn "$@",
2132	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2133	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2134	}	3354	}
2135		3355
2136	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2137	}	3357	}
2138		3358
…		…
2152	=cut	3372	=cut
2153		3373
2154	sub register_script_function {	3374	sub register_script_function {
2155	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2156		3376
2157	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2158	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2159	}	3379	}
2160		3380
2161	=back	3381	=back
2162		3382
2163	=cut	3383	=cut
2164		3384
2165	#############################################################################	3385	#############################################################################
		3386	# the server's init and main functions
2166		3387
2167	=head2 EXTENSION DATABASE SUPPORT	3388	sub load_facedata($) {
		3389	my ($path) = @_;
2168		3390
2169	Crossfire maintains a very simple database for extension use. It can	3391	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3392	# for this (global event?)
2171	excludes objects.	3393	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3394
2173	The parameter C<$family> should best start with the name of the extension	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3396
2176	=over 4	3397	trace "loading facedata from $path\n";
2177		3398
2178	=item $hashref = cf::db_get $family	3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
2179		3401
2180	Return a hashref for use by the extension C<$family>, which can be	3402	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3403
2184	=item $value = cf::db_get $family => $key	3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3406
2186	Returns a single value from the database	3407	# patch in the exptable
2187		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2188	=item cf::db_put $family => $hashref	3409	$facedata->{resource}{"res/exp_table"} = {
2189		3410	type => FT_RSRC,
2190	Stores the given family hashref into the database. Updates are delayed, if	3411	data => $exp_table,
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3412	hash => (Digest::MD5::md5 $exp_table),
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3413	};
		3414	cf::cede_to_tick;
2216		3415
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3416	{
		3417	my $faces = $facedata->{faceinfo};
2228		3418
2229	my $dirty;	3419	while (my ($face, $info) = each %$faces) {
		3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3421
2231	sub db_sync() {	3422	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2234	}	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2235		3426
2236	my $idle = Event->idle (	3427	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3428	}
2270	);
2271	}
2272		3429
2273	#############################################################################	3430	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3431	next unless $info->{smooth};
2275		3432
2276	sub cfg_load {	3433	my $idx = cf::face::find $face
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3434	or next;
2278	or return;
2279		3435
2280	local $/;	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2281	*CFG = YAML::Syck::Load <$fh>;	3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
2282		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
		3477	1
		3478	}
		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
		3512	sub reload_facedata {
		3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
		3550	sub reload_resources {
		3551	trace "reloading resource files...\n";
		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
		3558	reload_regions;
		3559	reload_treasures;
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub reload_config {
		3565	trace "reloading config file...\n";
		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3574
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3577
2288	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2292	};	3582	};
2293	warn $@ if $@;	3583	warn $@ if $@;
2294	}	3584	}
2295	}	3585	}
2296		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2297	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2298	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3628	(async {
2302	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2304	};	3632	};
2305		3633
2306	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
2307	db_load;	3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
		3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2308	load_extensions;	3657	load_extensions;
2309		3658
2310	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2311	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2312	}	3677	}
2313		3678
2314	#############################################################################	3679	#############################################################################
2315	# initialisation and cleanup	3680	# initialisation and cleanup
2316		3681
2317	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2318	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2327	},
2328	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2329	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2330	}	3778	}
2331		3779
2332	sub emergency_save() {	3780	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2334		3782
2335	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2336		3789
2337	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2338	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2339	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2340	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2342	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3801	$pl->save;
2346	}	3802	}
2347	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2348		3804
2349	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2350	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2351	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3810	$map->valid or next;
2353	$map->save;	3811	$map->save;
2354	}	3812	}
2355	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3843	};
2357		3844
2358	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2359	}	3846	}
2360		3847
		3848	sub post_cleanup {
		3849	my ($make_core) = @_;
		3850
		3851	IO::AIO::flush;
		3852
		3853	error Carp::longmess "post_cleanup backtrace"
		3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2361	sub reload() {	3885	sub do_reload_perl() {
2362	# can/must only be called in main	3886	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2364	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2365	return;	3889	return;
2366	}	3890	}
2367		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2368	warn "reloading...";	3898	info "reloading...";
2369		3899
2370	warn "cancelling server ticker";	3900	trace "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3901
		3902	cf::sync_job {
2373	cf::emergency_save;	3903	#cf::emergency_save;
2374		3904
2375	eval {
2376	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";
2387	for (;;) {
2388	IO::AIO::flush;
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3907	%EXT_CORO = ();
2397		3908
2398	warn "removing commands";	3909	trace "removing commands";
2399	%COMMAND = ();	3910	%COMMAND = ();
2400		3911
2401	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2402	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2403		3915
2404	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2407		3919
2408	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2409	eval {	3921	eval {
2410	$cb->($pkg);	3922	$cb->($pkg);
2411	1	3923	1
2412	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2413	}	3929	}
2414		3930
2415	warn "... nuking $pkg";
2416	Symbol::delete_package $pkg;
2417	}
2418
2419	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2420	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		3934
2423	warn "... unloading $k";	3935	trace "... unloading $k";
2424	delete $INC{$k};	3936	delete $INC{$k};
2425		3937
2426	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2428		3940
2429	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2430	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2431	}	3946	}
2432		3947
2433	Symbol::delete_package $k;
2434	}
2435
2436	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3951
2440	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2442		3955
2443	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3957	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2446		3959
2447	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2448		3961
2449	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2450	require cf;	3963	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2452		3965
2453	warn "loading config and database again";	3966	trace "loading config and database again";
2454	cf::cfg_load;	3967	cf::reload_config;
2455	cf::db_load;
2456		3968
2457	warn "loading extensions";	3969	trace "loading extensions";
2458	cf::load_extensions;	3970	cf::load_extensions;
2459		3971
		3972	if ($REATTACH_ON_RELOAD) {
2460	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2461	_global_reattach;	3974	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
		3977	trace "reattaching attachments to players";
		3978	reattach $_ for values %PLAYER;
		3979	}
2464		3980
2465	warn "restarting server ticker";	3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
2466		3983
2467	$TICK_WATCHER->start;	3984	trace "leaving sync_job";
		3985
		3986	1
		3987	} or do {
		3988	error $@;
		3989	cf::cleanup "error while reloading, exiting.";
		3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2468	};	4013	};
2469		4014	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		4015
2481	register_command "reload" => sub {	4016	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2483		4018
2484	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
2486		4021	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	4022	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	4023	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	4024	};
2499	}	4025	}
2500	};	4026	};
2501		4027
2502	unshift @INC, $LIBDIR;	4028	#############################################################################
2503		4029
2504	my $bug_warning = 0;	4030	my $bug_warning = 0;
2505		4031
2506	$TICK_WATCHER = Event->timer (	4032	our @WAIT_FOR_TICK;
2507	reentrant => 0,	4033	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	4034
2509	prio => 0,	4035	sub wait_for_tick() {
2510	at => $NEXT_TICK || $TICK,	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	4037
2512	cb => sub {	4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
2513	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2516	return;	4055	return;
2517	}	4056	}
2518		4057
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		4059
2525	$WAIT_FOR_TICK->broadcast;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2527		4061
2528	Event::sweep;	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	Coro::cede_notself;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
		4066	write_runtime_sync
		4067	or error "ERROR: unable to write runtime file: $!";
		4068	};
		4069	}
		4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
2530		4086	}
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	4087	}
2540	);	4088	}
2541		4089
		4090	{
		4091	# configure BDB
		4092
		4093	BDB::min_parallel 16;
		4094	BDB::max_poll_reqs $TICK * 0.1;
		4095	$AnyEvent::BDB::WATCHER->priority (1);
		4096
		4097	unless ($DB_ENV) {
		4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4104
		4105	cf::sync_job {
		4106	eval {
		4107	BDB::db_env_open
		4108	$DB_ENV,
		4109	$BDBDIR,
		4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4112	0666;
		4113
		4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4115	};
		4116
		4117	cf::cleanup "db_env_open(db): $@" if $@;
		4118	};
		4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
		4130	}
		4131
		4132	{
		4133	# configure IO::AIO
		4134
		4135	IO::AIO::min_parallel 8;
2542	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
		4137	undef $AnyEvent::AIO::WATCHER;
		4138	}
2543		4139
2544	undef $Coro::AIO::WATCHER;	4140	my $_log_backtrace;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553		4141
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	4142	sub _log_backtrace {
2555	reentrant => 0,	4143	my ($msg, @addr) = @_;
2556	data => WF_AUTOCANCEL,	4144
2557	after => 1,	4145	$msg =~ s/\n//;
2558	interval => 10,	4146
2559	prio => 6, # keep it lowest so it acts like a watchdog	4147	# limit the # of concurrent backtraces
2560	cb => Coro::unblock_sub {	4148	if ($_log_backtrace < 2) {
2561	write_runtime	4149	++$_log_backtrace;
2562	or warn "ERROR: unable to write runtime file: $!";	4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
2563	},	4179	}
2564	);	4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2565		4185
2566	END { cf::emergency_save }	4186	END { cf::emergency_save }
2567		4187
2568	1	4188	1
2569		4189

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