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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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;
		170
		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::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	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
101	every server tick.	201	every server tick.
102		202
103	=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
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	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
124	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
125	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.
126	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.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	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	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		300
151	# 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
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$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;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	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 $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
217	}	403	}
218		404
219	=item cf::lock_wait $string	405	=item cf::lock_wait $string
220		406
221	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
222		408
223	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
224		410
225	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
228	returned.	414	returned.
229		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
230	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
232		421
233	=cut	422	=item $locked = cf::lock_active $string
234		423
235	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
236		429
237	sub lock_wait($) {	430	sub lock_wait($) {
238	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	432	}
246		433
247	sub lock_acquire($) {	434	sub lock_acquire($) {
248	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
249		437
250	# wait, to be sure we are not locked	438	sub lock_active($) {
251	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	440	}
260		441
261	sub freeze_mainloop {	442	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
263		444
264	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	446	}
266	$WRITE_RUNTIME_WATCHER->start;	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
267	};	512	}
268	$WRITE_RUNTIME_WATCHER->stop;	513	};
269	$TICK_WATCHER->stop;	514
270	$guard	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
271	}	528	}
272		529
273	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
274		531
275	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		537
281	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
282		539
283	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
284		541
285	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
288		546
289	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
292	fast or be very important.	550	fast or be very important.
…		…
294	=cut	552	=cut
295		553
296	sub sync_job(&) {	554	sub sync_job(&) {
297	my ($job) = @_;	555	my ($job) = @_;
298		556
299	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
300	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
302		562
303	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	564
305	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
306		566
307	my $busy = 1;	567	my $busy = 1;
308	my @res;	568	my @res;
309		569
310	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	572	@res = eval { $job->() };
312	warn $@ if $@;	573	error $@ if $@;
313	undef $busy;	574	undef $busy;
314	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
315		576
316	while ($busy) {	577	while ($busy) {
317	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
318	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
319		588
320	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
321	} else {	590	} else {
322	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
323		592
…		…
343	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
344		613
345	$coro	614	$coro
346	}	615	}
347		616
348	sub write_runtime {	617	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		618
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
352	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
353		623
354	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		625
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
359	and return;	627	reset_signals;
		628	}
360		629
361	aio_fsync $fh	630	sub fork_call(&@) {
362	and return;	631	my ($cb, @args) = @_;
363		632
364	close $fh	633	# we seemingly have to make a local copy of the whole thing,
365	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
366		636
367	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
368	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
369		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
370	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	821	}
372		822
373	=back	823	=back
374		824
375	=cut	825	=cut
376		826
377	#############################################################################	827	#############################################################################
378		828
379	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
380		830
381	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
384		834
385	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	837	Deliantra).
388		838
389	=over 4	839	=over 4
390		840
391	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
392		842
…		…
436	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
437		887
438	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
440		890
441	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
443		893
444	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
445		895
446	=over 4	896	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
556		1006
557	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1011
562	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
564		1014
565	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
570		1020
571	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1023
574	} elsif (ref $type) {	1024	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
576		1026
577	} else {	1027	} else {
578	shift @arg;	1028	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
580	}	1030	}
581	}	1031	}
582	}	1032	}
583		1033
584	sub _object_attach {	1034	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
595	}	1045	}
596		1046
597	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
598	} else {	1048	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1050	}
601		1051
602	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
603	}	1053	}
604		1054
…		…
606	if (ref $_[0]) {	1056	if (ref $_[0]) {
607	_object_attach @_;	1057	_object_attach @_;
608	} else {	1058	} else {
609	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
610	}	1060	}
		1061	_recalc_want;
611	};	1062	};
612		1063
613	# all those should be optimised	1064	# all those should be optimised
614	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1070	reattach ($obj);
620	} else {	1071	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
622	}	1073	}
		1074	_recalc_want;
623	};	1075	};
624		1076
625	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
627		1079
…		…
642	";	1094	";
643	die if $@;	1095	die if $@;
644	}	1096	}
645		1097
646	our $override;	1098	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1100
649	sub override {	1101	sub override {
650	$override = 1;	1102	$override = 1;
651	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
652	}	1104	}
653		1105
654	sub do_invoke {	1106	sub do_invoke {
655	my $event = shift;	1107	my $event = shift;
656	my $callbacks = shift;	1108	my $callbacks = shift;
657		1109
658	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
659		1111
660	local $override;	1112	local $override;
661		1113
662	for (@$callbacks) {	1114	for (@$callbacks) {
663	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
664		1116
665	if ($@) {	1117	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1119	override;
669	}	1120	}
670		1121
671	return 1 if $override;	1122	return 1 if $override;
672	}	1123	}
673		1124
674	0	1125	0
675	}	1126	}
676		1127
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1129
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1131
681	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
682		1133
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1137
687	=back	1138	=back
688		1139
689	=cut	1140	=cut
690		1141
691	#############################################################################	1142	#############################################################################
692	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
693		1186
694	sub reattach {	1187	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1189	my ($obj) = @_;
697		1190
		1191	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1193
700	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
701		1195
702	@$registry = ();	1196	@$registry = ();
703		1197
…		…
708	for (@$attach) {	1202	for (@$attach) {
709	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
711	}	1205	}
712	} else {	1206	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1208	}
715	}	1209	}
716	}	1210	}
717		1211
718	cf::attachable->attach (	1212	cf::attachable->attach (
719	prio => -1000000,	1213	prio => -1000000,
720	on_instantiate => sub {	1214	on_instantiate => sub {
721	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
722		1216
723	$data = from_json $data;	1217	$data = decode_json $data;
724		1218
725	for (@$data) {	1219	for (@$data) {
726	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
727		1221
728	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1238	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
746		1240
747	sync_job {	1241	sync_job {
748	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
751		1247
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	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;
755	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
756	close $fh;	1255	aio_close $fh;
757		1256
758	if (@$objs) {	1257	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	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;
763	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
764	close $fh;	1266	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
766	}	1268	}
767	} else {	1269	} else {
768	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
769	}	1271	}
770		1272
771	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1277	} else {
773	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
774	}	1279	}
775	} else {	1280	} else {
776	aio_unlink $filename;	1281	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
778	}	1283	}
779	}	1284	};
780	}	1285	}
781		1286
782	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
784		1289
…		…
796	or return;	1301	or return;
797		1302
798	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
800	or return;	1305	or return;
		1306
801	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
802	}	1309	}
803		1310
		1311	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
806	return ($data, $av);	1316	($data, $av)
807	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
808		1324
809	#############################################################################	1325	#############################################################################
810	# command handling &c	1326	# command handling &c
811		1327
812	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1342	}
827		1343
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1345
830	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
831		1351
832	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
833	called.	1353	called.
834		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
835	=cut	1366	=cut
836		1367
837	sub register_extcmd {	1368	sub register_extcmd {
838	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
839		1370
840	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
841	}	1372	}
842		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
843	cf::player->attach (	1382	cf::player->attach (
844	on_command => sub {	1383	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
846		1385
847	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
848	or return;	1387	or return;
849		1388
…		…
854	cf::override;	1393	cf::override;
855	},	1394	},
856	on_extcmd => sub {	1395	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
858		1397
859	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1399
861	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
867	} else {	1415	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1417	}
870		1418
871	cf::override;	1419	cf::override;
872	},	1420	},
873	);	1421	);
874		1422
		1423	# "readahead" all extensions
875	sub load_extension {	1424	sub cache_extensions {
876	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
877		1426
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1430	}
903	die $@;
904	}	1431	};
905		1432
906	push @EXTS, $pkg;	1433	$grp
907	}	1434	}
908		1435
909	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
910	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1443	next unless -r $path;
912	eval {	1444
913	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
914	1	1508	}
915	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
916	}	1519	};
917	}	1520	}
918		1521
919	#############################################################################	1522	#############################################################################
920		1523
		1524	=back
		1525
921	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
922		1527
923	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
924		1529
925	=cut	1530	=cut
926		1531
927	package cf::player;	1532	package cf::player;
928		1533
…		…
930		1535
931	=head3 cf::player	1536	=head3 cf::player
932		1537
933	=over 4	1538	=over 4
934		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
935	=item cf::player::find $login	1554	=item cf::player::find $login
936		1555
937	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
938		1557
939	=cut	1558	=cut
940		1559
941	sub playerdir($) {	1560	sub playerdir($) {
942	cf::localdir	1561	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1563	}
948		1564
949	sub path($) {	1565	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1567
952	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
953	}	1569	}
954		1570
955	sub find_active($) {	1571	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
960		1576
961	sub exists($) {	1577	sub exists($) {
962	my ($login) = @_;	1578	my ($login) = @_;
963		1579
964	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
966	}	1582	}
967		1583
968	sub find($) {	1584	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1586	my $login = $_[0];
971		1587
972	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
973		1589
974	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
976	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
978	}	1607	}
979	}	1608	}
980	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
981		1623
982	sub save($) {	1624	sub save($) {
983	my ($pl) = @_;	1625	my ($pl) = @_;
984		1626
985	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
991		1633
992	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
994		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
995	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
996	Coro::cede;	1643	cf::cede_to_tick;
997	}	1644	}
998		1645
999	sub new($) {	1646	sub new($) {
1000	my ($login) = @_;	1647	my ($login) = @_;
1001		1648
…		…
1007	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1008		1655
1009	$self	1656	$self
1010	}	1657	}
1011		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1012	=item $pl->quit_character	1669	=item $pl->quit_character
1013		1670
1014	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1016		1673
1017	=cut	1674	=cut
1018		1675
1019	sub quit_character {	1676	sub quit_character {
1020	my ($pl) = @_;	1677	my ($pl) = @_;
1021		1678
		1679	my $name = $pl->ob->name;
		1680
1022	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1683
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1028	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1029		1692
1030	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1035	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1036	}	1719	}
1037		1720
1038	=item cf::player::list_logins	1721	=item cf::player::list_logins
1039		1722
1040	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1042		1725
1043	=cut	1726	=cut
1044		1727
1045	sub list_logins {	1728	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1730	or return [];
1048		1731
1049	my @logins;	1732	my @logins;
1050		1733
1051	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1055		1744
1056	utf8::decode $login;	1745	utf8::decode $login;
1057	push @logins, $login;	1746	push @logins, $login;
1058	}	1747	}
1059		1748
1060	\@logins	1749	\@logins
1061	}	1750	}
1062		1751
1063	=item $player->maps	1752	=item $player->maps
1064		1753
		1754	=item cf::player::maps $login
		1755
1065	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1066	player. May block.	1757	player. May block.
1067		1758
1068	=cut	1759	=cut
1069		1760
1070	sub maps($) {	1761	sub maps($) {
1071	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1765
1073	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1074	or return;	1767	or return;
1075		1768
1076	my @paths;	1769	my @paths;
…		…
1078	for (@$files) {	1771	for (@$files) {
1079	utf8::decode $_;	1772	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1082		1775
1083	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1777	}
1086		1778
1087	\@paths	1779	\@paths
1088	}	1780	}
1089		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1091		1787
1092	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1093		1789
1094	=cut	1790	=cut
1095		1791
1096	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1098		1794
1099	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1796	}
1103		1797
1104	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1105		1840
1106	=back	1841	=back
1107
1108		1842
1109	=head3 cf::map	1843	=head3 cf::map
1110		1844
1111	=over 4	1845	=over 4
1112		1846
…		…
1124	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1126		1860
1127	sub generate_random_map {	1861	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1129	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1867	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1152		1889
1153	sub register {	1890	sub register {
1154	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1892	my $pkg = caller;
1156		1893
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1895
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1897	}
1162		1898
1163	# also paths starting with '/'	1899	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1901
1166	sub thawer_merge {	1902	sub thawer_merge {
1167	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1168		1904
1169	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1170	local $self->{path};	1906	local $self->{path};
1171	local $self->{load_path};	1907	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1908
1175	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1176	}	1910	}
1177		1911
1178	sub normalise {	1912	sub normalise {
1179	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1180		1914
1181	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
		1916
		1917	$path =~ s/\.map$//;
1182		1918
1183	# map plan:	1919	# map plan:
1184	#	1920	#
1185	# /! non-realised random map exit (special hack!)	1921	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1922	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1224	return $self;	1960	return $self;
1225	}	1961	}
1226	}	1962	}
1227		1963
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	1965	()
1230	}	1966	}
1231		1967
1232	sub init {	1968	sub init {
1233	my ($self) = @_;	1969	my ($self) = @_;
…		…
1248		1984
1249	# the original (read-only) location	1985	# the original (read-only) location
1250	sub load_path {	1986	sub load_path {
1251	my ($self) = @_;	1987	my ($self) = @_;
1252		1988
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1254	}	1990	}
1255		1991
1256	# the temporary/swap location	1992	# the temporary/swap location
1257	sub save_path {	1993	sub save_path {
1258	my ($self) = @_;	1994	my ($self) = @_;
1259		1995
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1262	}	1998	}
1263		1999
1264	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1265	sub uniq_path {	2001	sub uniq_path {
1266	my ($self) = @_;	2002	my ($self) = @_;
1267		2003
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1270	}	2006	}
1271		2007
1272	# and all this just because we cannot iterate over	2008	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2009	my ($self) = @_;
1276		2010
1277	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1279	}	2014	}
1280		2015
1281	sub unlink_save {	2016	sub unlink_save {
1282	my ($self) = @_;	2017	my ($self) = @_;
1283		2018
…		…
1288		2023
1289	sub load_header_from($) {	2024	sub load_header_from($) {
1290	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1291		2026
1292	utf8::encode $path;	2027	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1294	or return;	2029	or return;
1295		2030
1296	$self->_load_header ($path)	2031	$self->_load_header ($f)
1297	or return;	2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1298		2036
1299	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1300		2038
1301	1	2039	1
1302	}	2040	}
…		…
1341	$self->load_header_orig	2079	$self->load_header_orig
1342	or return;	2080	or return;
1343	$self->prepare_orig;	2081	$self->prepare_orig;
1344	}	2082	}
1345		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
1346	1	2090	1
1347	}	2091	}
1348		2092
1349	sub find;	2093	sub find;
1350	sub find {	2094	sub find {
1351	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1352		2096
		2097	cf::cede_to_tick;
		2098
1353	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1354		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2103
1357	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1360	or return;	2106	or return;
1361		2107
1362	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1363		2109
1364	$map->load_header	2110	$map->load_header
1365	or return;	2111	or return;
1366		2112
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1370	$map->reset;	2118	$map->reset;
1371	undef $guard;
1372	return find $path;	2119	return find $path;
1373	}	2120	}
1374		2121
1375	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1376	}	2123	}
1377	}	2124	}
1378		2125
1379	sub pre_load { }	2126	sub pre_load { }
1380	sub post_load { }	2127	#sub post_load { } # XS
1381		2128
1382	sub load {	2129	sub load {
1383	my ($self) = @_;	2130	my ($self) = @_;
1384		2131
1385	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1386		2133
1387	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1388	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1389		2138
		2139	return unless $self->valid;
1390	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1391		2141
1392	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1393		2143
1394	$self->alloc;	2144	$self->alloc;
1395		2145
1396	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1397		2148
1398	$self->_load_objects ($self->{load_path}, 1)	2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1399	or return;	2152	or return;
1400		2153
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1402	if delete $self->{load_original};	2155	if delete $self->{load_original};
1403		2156
1404	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	2158	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	2161	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1409	}	2165	}
1410	}	2166	}
1411		2167
1412	Coro::cede;	2168	$f->resolve_delayed_derefs;
1413		2169
		2170	cf::cede_to_tick;
1414	# now do the right thing for maps	2171	# now do the right thing for maps
1415	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	2174	unless $self->difficulty;
1425	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1426	$self->activate;	2182	$self->activate;
		2183	}
		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
		2188	$self->in_memory (cf::MAP_ACTIVE);
1427	}	2189	}
1428		2190
1429	$self->post_load;	2191	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	2192	}
1433		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1434	sub customise_for {	2197	sub customise_for {
1435	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1436		2199
1437	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	2201	if $self->per_player;
1439		2202
		2203	# return find "?party/" . $ob->name . "/" . $self->{path}
		2204	# if $self->per_party;
		2205
1440	$self	2206	$self
1441	}	2207	}
1442		2208
1443	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	2210	sub load_neighbours {
1445	my ($map) = @_;	2211	my ($map) = @_;
1446		2212
1447	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1448		2214
1449	for (0 .. 3) {	2215	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1451	or next;	2217	or next;
1452	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1453	or next;	2219	or next;
1454	$neigh->load;	2220	$neigh->load;
1455		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	2226	}
1459		2227
1460	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1462	or next;	2231	or next;
1463	$neigh->load;	2232	$neigh->load;
1464	}	2233	}
1465	}	2234	}
1466		2235
1467	sub find_sync {	2236	sub find_sync {
1468	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1469		2238
1470	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1471	}	2243	}
1472		2244
1473	sub do_load_sync {	2245	sub do_load_sync {
1474	my ($map) = @_;	2246	my ($map) = @_;
1475		2247
1476	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1477	}	2252	}
1478		2253
1479	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1481		2256
1482	sub find_async {	2257	sub find_async {
1483	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1484		2259
1485	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1486		2261
1487	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1489	}	2264	}
1490		2265
1491	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1492	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1493	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2273	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2274	$map->load if $v;
		2275	}
1498		2276
1499	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1500	}	2278	}
1501	}	2279	}
1502	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1503	};	2281	};
1504	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1505		2283
1506	()	2284	()
1507	}	2285	}
1508		2286
		2287	# common code, used by both ->save and ->swapout
1509	sub save {	2288	sub _save {
1510	my ($self) = @_;	2289	my ($self) = @_;
1511
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
1513		2290
1514	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1515		2292
1516	return unless $self->dirty;	2293	return unless $self->dirty;
1517		2294
…		…
1523	return if $self->{deny_save};	2300	return if $self->{deny_save};
1524		2301
1525	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1526		2303
1527	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1528	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1529	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1530		2310
1531	if ($uniq) {	2311	if ($uniq) {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1534	} else {	2314	} else {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1536	}	2316	}
1537	}	2317	}
1538		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1539	sub swap_out {	2327	sub swap_out {
1540	my ($self) = @_;	2328	my ($self) = @_;
1541		2329
1542	# save first because save cedes
1543	$self->save;
1544
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1547	return if $self->players;	2334	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1549	return if $self->{deny_save};
1550		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1551	$self->clear;	2345	$self->clear;
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	}	2346	}
1554		2347
1555	sub reset_at {	2348	sub reset_at {
1556	my ($self) = @_;	2349	my ($self) = @_;
1557		2350
1558	# TODO: safety, remove and allow resettable per-player maps	2351	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2352	return 1e99 if $self->{deny_reset};
1561		2353
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2356
…		…
1575	my ($self) = @_;	2367	my ($self) = @_;
1576		2368
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2370
1579	return if $self->players;	2371	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2372
1582	warn "resetting map ", $self->path;#d#	2373	cf::trace "resetting map ", $self->path, "\n";
		2374
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# need to save uniques path
		2378	unless ($self->{deny_save}) {
		2379	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2380
		2381	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2382	if $uniq;
		2383	}
1583		2384
1584	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1585		2386
1586	$self->in_memory (cf::MAP_SWAPPED);	2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1587	$self->clear;	2389	$self->clear;
1588
1589	$_->clear_links_to ($self) for values %cf::MAP;
1590		2390
1591	$self->unlink_save;	2391	$self->unlink_save;
1592	$self->destroy;	2392	$self->destroy;
1593	}	2393	}
1594		2394
1595	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1596		2396
1597	sub nuke {	2397	sub nuke {
1598	my ($self) = @_;	2398	my ($self) = @_;
1599		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1600	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1601		2404
1602	$self->unlink_save;	2405	$self->unlink_save;
1603		2406
1604	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1605	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2412
1610	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1611		2415
1612	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
		2417	}
		2418
		2419	=item $maps = cf::map::tmp_maps
		2420
		2421	Returns an arrayref with all map paths of currently instantiated and saved
		2422	maps. May block.
		2423
		2424	=cut
		2425
		2426	sub tmp_maps() {
		2427	[
		2428	map {
		2429	utf8::decode $_;
		2430	/\.map$/
		2431	? normalise $_
		2432	: ()
		2433	} @{ aio_readdir $TMPDIR or [] }
		2434	]
		2435	}
		2436
		2437	=item $maps = cf::map::random_maps
		2438
		2439	Returns an arrayref with all map paths of currently instantiated and saved
		2440	random maps. May block.
		2441
		2442	=cut
		2443
		2444	sub random_maps() {
		2445	[
		2446	map {
		2447	utf8::decode $_;
		2448	/\.map$/
		2449	? normalise "?random/$_"
		2450	: ()
		2451	} @{ aio_readdir $RANDOMDIR or [] }
		2452	]
1613	}	2453	}
1614		2454
1615	=item cf::map::unique_maps	2455	=item cf::map::unique_maps
1616		2456
1617	Returns an arrayref of paths of all shared maps that have	2457	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2458	instantiated unique items. May block.
1619		2459
1620	=cut	2460	=cut
1621		2461
1622	sub unique_maps() {	2462	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2463	[
1624	or return;	2464	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2465	utf8::decode $_;
1630	next if /\.pst$/;	2466	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
		2469	: normalise $_
		2470	} @{ aio_readdir $UNIQUEDIR or [] }
		2471	]
		2472	}
1632		2473
		2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
1633	s/\.map$//;	2495	s/\.map$// or next;
1634	push @paths, $_;	2496	utf8::decode $_;
1635	}	2497	push @maps, "$dir/$_";
		2498	}
1636		2499
1637	\@paths	2500	push @dirs, map "$dir/$_", @$dirs;
1638	}	2501	}
1639		2502
1640	package cf;	2503	\@maps
		2504	}
1641		2505
1642	=back	2506	=back
1643		2507
1644	=head3 cf::object	2508	=head3 cf::object
1645		2509
…		…
1649		2513
1650	=over 4	2514	=over 4
1651		2515
1652	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
1653		2517
1654	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
1655		2520
1656	=cut	2521	=cut
1657		2522
1658	sub inv_recursive_;	2523	sub inv_recursive_;
1659	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
1662		2527
1663	sub inv_recursive {	2528	sub inv_recursive {
1664	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
1665	}	2530	}
1666		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
1667	package cf;	2560	package cf;
1668		2561
1669	=back	2562	=back
1670		2563
1671	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
1677	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1678	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
1679	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
1680		2573
1681	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
1682		2589
1683	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
1684	# with dialog boxes.	2591	# with dialog boxes.
1685	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
1686	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
1688		2595
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2596	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2597
1691	if ($self->{record_replies}) {	2598	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2599	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2600
1693	} else {	2601	} else {
		2602	my $pl = $self->contr;
		2603
		2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2605	my $dialog = $pl->{npc_dialog};
		2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2607
		2608	} else {
1694	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2611	}
1696	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
1697	}	2623	}
1698		2624
1699	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
1700		2626
1701	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
1714		2640
1715	=item $player_object->enter_link	2641	=item $player_object->enter_link
1716		2642
1717	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
1718		2644
1719	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
1720	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
1721		2649
1722	Will never block.	2650	Will never block.
1723		2651
1724	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
1725		2653
…		…
1745	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
1746	my ($self) = @_;	2674	my ($self) = @_;
1747		2675
1748	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
1749		2677
		2678	++$self->{_link_recursion};
		2679
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2681
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2683	if $self->map && $self->map->{path} ne "{link}";
1754		2684
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1756	}	2686	}
1757		2687
1758	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
		2690
		2691	return unless $self->contr->active;
1760		2692
1761	my $link_pos = delete $self->{_link_pos};	2693	my $link_pos = delete $self->{_link_pos};
1762		2694
1763	unless ($map) {	2695	unless ($map) {
1764	# restore original map position	2696	# restore original map position
…		…
1775	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
1776	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
1777		2709
1778	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
1781		2713
1782	$map->load;	2714	$map->load;
1783	$map->load_diag;	2715	$map->load_neighbours;
1784		2716
1785	return unless $self->contr->active;	2717	return unless $self->contr->active;
		2718
		2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2720	if ($self->enter_map ($map, $x, $y)) {
		2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
1786	$self->activate_recursive;	2724	$self->activate_recursive;
1787	$self->enter_map ($map, $x, $y);
1788	}
1789
1790	cf::player->attach (
1791	on_logout => sub {
1792	my ($pl) = @_;
1793
1794	# abort map switching before logout
1795	if ($pl->ob->{_link_pos}) {
1796	cf::sync_job {
1797	$pl->ob->leave_link
1798	};
1799	}
1800	},	2725	}
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2726
1804	# try to abort aborted map switching on player login :)	2727	}
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821		2728
1822	=item $player_object->goto ($path, $x, $y)	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1823		2730
		2731	Moves the player to the given map-path and coordinates by first freezing
		2732	her, loading and preparing them map, calling the provided $check callback
		2733	that has to return the map if sucecssful, and then unfreezes the player on
		2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
		2739
1824	=cut	2740	=cut
		2741
		2742	our $GOTOGEN;
1825		2743
1826	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
		2752
		2753	# do generation counting so two concurrent goto's will be executed in-order
		2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2755
1829	$self->enter_link;	2756	$self->enter_link;
1830		2757
1831	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
1832	my $map = eval {	2780	my $map = eval {
1833	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
		2782
		2783	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2784	$map = $map->customise_for ($self);
		2785	$map = $check->($map, $x, $y, $self) if $check && $map;
		2786	} else {
		2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2788	}
		2789
1835	$map	2790	$map
		2791	};
		2792
		2793	if ($@) {
		2794	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2795	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2796	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2797
		2798	if ($gen == $self->{_goto_generation}) {
		2799	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
		2801	}
		2802
		2803	$done->($self) if $done;
1840	})->prio (1);	2804	})->prio (1);
1841	}	2805	}
1842		2806
1843	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
1844		2808
…		…
1864	}	2828	}
1865		2829
1866	sub prepare_random_map {	2830	sub prepare_random_map {
1867	my ($exit) = @_;	2831	my ($exit) = @_;
1868		2832
1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1870
1871	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
1872	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
1873	# that depends on the exit object	2835	# that depends on the exit object
1874		2836
1875	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
1877	if ($exit->map) {	2839	if ($exit->map) {
1878	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
1879	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
1880	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
1881	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
1882	}	2846	}
1883		2847
1884	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
1885		2849
1886	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1887	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
1889		2853
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2856	undef $fh;
1893	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
1894		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
1895	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
1896	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
1897	}	2865	}
1898	}	2866	}
1899		2867
1900	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
1901	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
1902		2870
1903	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
1904		2872
1905	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
1907	cf::sync_job { prepare_random_map $exit };
1908	}
1909
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;
1913
1914	$self->enter_link;	2873	$self->enter_link;
1915		2874
1916	(async {	2875	(async {
1917	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
1918	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
1919	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
1920		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
1921	1;	2899	1
1922	}) {	2900	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
1924	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2905
1928	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
1929	$self->leave_link;	2907	$self->leave_link;
1930	}	2908	}
1931	})->prio (1);	2909	})->prio (1);
1932	}	2910	}
1933		2911
…		…
1944		2922
1945	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
1947		2925
1948	utf8::encode $text;	2926	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2928	}
1951		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
		2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2956
		2957	Send a drawinfo or msg packet to the client, formatting the msg for the
		2958	client if neccessary. C<$type> should be a string identifying the type of
		2959	the message, with C<log> being the default. If C<$color> is negative, suppress
		2960	the message unless the client supports the msg packet.
		2961
		2962	=cut
		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
		3078	sub cf::client::send_msg {
		3079	my ($self, $channel, $msg, $color, @extra) = @_;
		3080
		3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
		3083
		3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
		3098	}
		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
		3117	=item $client->ext_msg ($type, @msg)
		3118
		3119	Sends an ext event to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_msg($$@) {
		3124	my ($self, $type, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
		3129	push @msg, msgtype => "event_$type";
		3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
		3150	}
1952		3151
1953	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
1954		3153
1955	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3155	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		3157
1959	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	3159	become reliable at some point in the future.
1961		3160
1962	=cut	3161	=cut
1963		3162
1964	sub cf::client::query {	3163	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	3172	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		3174
1976	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
1978	}	3179	}
1979		3180
1980	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
1981	on_reply => sub {	3187	on_reply => sub {
1982	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
1983		3189
1984	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
1985	# get handled first	3191	# get handled first
1986	my $queue = delete $ns->{query_queue}	3192	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	3193	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		3194
1989	(shift @$queue)->[1]->($msg);	3195	(shift @$queue)->[1]->($msg);
		3196	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		3197
1991	push @{ $ns->{query_queue} }, @$queue;	3198	push @{ $ns->{query_queue} }, @$queue;
1992		3199
1993	if (@{ $ns->{query_queue} } == @$queue) {	3200	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	3201	if (@$queue) {
…		…
1996	} else {	3203	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	3205	}
1999	}	3206	}
2000	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
2001	);	3234	);
2002		3235
2003	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
2004		3237
2005	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
2021		3254
2022	$coro	3255	$coro
2023	}	3256	}
2024		3257
2025	cf::client->attach (	3258	cf::client->attach (
2026	on_destroy => sub {	3259	on_client_destroy => sub {
2027	my ($ns) = @_;	3260	my ($ns) = @_;
2028		3261
2029	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2030	},	3263	},
2031	);	3264	);
…		…
2046	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2048		3281
2049	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2050		3283
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2052		3289
2053	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2054		3291
2055	=pod	3292	=pod
2056		3293
2057	The following fucntions and emthods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2058		3295
2059	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2060	cf::object::player player	3301	cf::object::player
2061	cf::player peaceful	3302	player
2062	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2063		3309
2064	=cut	3310	=cut
2065		3311
2066	for (	3312	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2068	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2070	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2071	) {	3319	) {
2072	no strict 'refs';
2073	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2074	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2075	for @funs;	3322	for @funs;
2076	}	3323	}
2077		3324
…		…
2092		3339
2093	my $qcode = $code;	3340	my $qcode = $code;
2094	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2095	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2096		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2097	local $_;	3347	local $_;
2098	local @safe::cf::_safe_eval_args = values %vars;
2099		3348
2100	my $eval =	3349	my $eval =
2101	"do {\n"	3350	"do {\n"
2102	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2103	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2104	. $code	3353	. $code
2105	. "\n}"	3354	. "\n}"
2106	;	3355	;
2107		3356
		3357	if ($CFG{safe_eval}) {
2108	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2109	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2110	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2111		3366
2112	if ($@) {	3367	if ($@) {
2113	warn "$@";	3368	warn "$@",
2114	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2115	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2116	}	3371	}
2117		3372
2118	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2119	}	3374	}
2120		3375
…		…
2134	=cut	3389	=cut
2135		3390
2136	sub register_script_function {	3391	sub register_script_function {
2137	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2138		3393
2139	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2140	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2141	}	3396	}
2142		3397
2143	=back	3398	=back
2144		3399
2145	=cut	3400	=cut
2146		3401
2147	#############################################################################	3402	#############################################################################
		3403	# the server's init and main functions
2148		3404
2149	=head2 EXTENSION DATABASE SUPPORT	3405	sub load_facedata($) {
		3406	my ($path) = @_;
2150		3407
2151	Crossfire maintains a very simple database for extension use. It can	3408	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	3409	# for this (global event?)
2153	excludes objects.	3410	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		3411
2155	The parameter C<$family> should best start with the name of the extension	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		3413
2158	=over 4	3414	trace "loading facedata from $path\n";
2159		3415
2160	=item $hashref = cf::db_get $family	3416	0 < aio_load $path, my $facedata
		3417	or die "$path: $!";
2161		3418
2162	Return a hashref for use by the extension C<$family>, which can be	3419	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		3420
2166	=item $value = cf::db_get $family => $key	3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		3423
2168	Returns a single value from the database	3424	# patch in the exptable
2169		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2170	=item cf::db_put $family => $hashref	3426	$facedata->{resource}{"res/exp_table"} = {
2171		3427	type => FT_RSRC,
2172	Stores the given family hashref into the database. Updates are delayed, if	3428	data => $exp_table,
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3429	hash => (Digest::MD5::md5 $exp_table),
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	3430	};
		3431	cf::cede_to_tick;
2198		3432
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	3433	{
		3434	my $faces = $facedata->{faceinfo};
2210		3435
2211	my $dirty;	3436	while (my ($face, $info) = each %$faces) {
		3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212		3438
2213	sub db_sync() {	3439	cf::face::set_visibility $idx, $info->{visibility};
2214	db_save if $dirty;	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2215	undef $dirty;	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2216	}	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2217		3443
2218	my $idle = Event->idle (	3444	cf::cede_to_tick;
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	3445	}
2252	);
2253	}
2254		3446
2255	#############################################################################	3447	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	3448	next unless $info->{smooth};
2257		3449
2258	sub cfg_load {	3450	my $idx = cf::face::find $face
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3451	or next;
2260	or return;
2261		3452
2262	local $/;	3453	if (my $smooth = cf::face::find $info->{smooth}) {
2263	*CFG = YAML::Syck::Load <$fh>;	3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
2264		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
		3575	reload_regions;
		3576	reload_treasures;
		3577
		3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
		3584	0 < aio_load "$CONFDIR/config", my $config
		3585	or die "$CONFDIR/config: $!";
		3586
		3587	utf8::decode $config;
		3588	*CFG = yaml_load $config;
		3589
2265	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2266		3591
2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2269		3594
2270	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2274	};	3599	};
2275	warn $@ if $@;	3600	warn $@ if $@;
2276	}	3601	}
2277	}	3602	}
2278		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2279	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2280	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3645	(async {
2284	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2286	};	3649	};
2287		3650
2288	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2289	db_load;	3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
		3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2290	load_extensions;	3674	load_extensions;
2291		3675
2292	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2293	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2294	}	3694	}
2295		3695
2296	#############################################################################	3696	#############################################################################
2297	# initialisation and cleanup	3697	# initialisation and cleanup
2298		3698
2299	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2300	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2309	},
2310	);	3705	};
		3706	}
		3707	}
		3708
		3709	sub write_runtime_sync {
		3710	my $t0 = AE::time;
		3711
		3712	# first touch the runtime file to show we are still running:
		3713	# the fsync below can take a very very long time.
		3714
		3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3716
		3717	my $guard = cf::lock_acquire "write_runtime";
		3718
		3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3720	or return;
		3721
		3722	my $value = $cf::RUNTIME + 90 + 10;
		3723	# 10 is the runtime save interval, for a monotonic clock
		3724	# 60 allows for the watchdog to kill the server.
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	# touch it again to show we are up-to-date
		3734	aio_utime $fh, undef, undef;
		3735
		3736	close $fh
		3737	or return;
		3738
		3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3740	and return;
		3741
		3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3743
2311	}	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2312	}	3795	}
2313		3796
2314	sub emergency_save() {	3797	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2316		3799
2317	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2318		3806
2319	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2320	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3818	$pl->save;
2328	}	3819	}
2329	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2330		3821
2331	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3827	$map->valid or next;
2335	$map->save;	3828	$map->save;
2336	}	3829	}
2337	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
		3835	BDB::db_env_txn_checkpoint $DB_ENV;
		3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2338	};	3860	};
2339		3861
2340	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2341	}	3863	}
2342		3864
		3865	sub post_cleanup {
		3866	my ($make_core) = @_;
		3867
		3868	IO::AIO::flush;
		3869
		3870	error Carp::longmess "post_cleanup backtrace"
		3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
		3900	}
		3901
2343	sub reload() {	3902	sub do_reload_perl() {
2344	# can/must only be called in main	3903	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2346	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2347	return;	3906	return;
2348	}	3907	}
2349		3908
2350	warn "reloading...";	3909	return if $RELOAD++;
2351		3910
2352	warn "cancelling server ticker";	3911	my $t1 = AE::time;
2353	$TICK_WATCHER->cancel;
2354		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
		3919	cf::sync_job {
2355	cf::emergency_save;	3920	#cf::emergency_save;
2356		3921
2357	eval {
2358	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362
2363	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}
2367
2368	warn "flushing outstanding aio requests";
2369	for (;;) {
2370	IO::AIO::flush;
2371	Coro::cede;
2372	last unless IO::AIO::nreqs;
2373	warn "iterate...";
2374	}
2375
2376	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3924	%EXT_CORO = ();
2379		3925
2380	warn "removing commands";	3926	trace "perl_reload: removing commands";
2381	%COMMAND = ();	3927	%COMMAND = ();
2382		3928
2383	warn "removing ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2384	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2385		3932
2386	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2389		3936
2390	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2391	eval {	3938	eval {
2392	$cb->($pkg);	3939	$cb->($pkg);
2393	1	3940	1
2394	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2395	}	3946	}
2396		3947
2397	warn "... nuking $pkg";
2398	Symbol::delete_package $pkg;
2399	}
2400
2401	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2402	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2404		3951
2405	warn "... unloading $k";	3952	trace "... unloading $k";
2406	delete $INC{$k};	3953	delete $INC{$k};
2407		3954
2408	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2409	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2410		3957
2411	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2412	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2413	}	3963	}
2414		3964
2415	Symbol::delete_package $k;
2416	}
2417
2418	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2419	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3968
2422	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
		3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2424		3972
2425	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3974	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2428		3976
2429	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2430		3978
2431	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2432	require cf;	3980	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2434		3982
2435	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2436	cf::cfg_load;	3984	cf::reload_config;
2437	cf::db_load;
2438		3985
2439	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2440	cf::load_extensions;	3987	cf::load_extensions;
2441		3988
		3989	if ($REATTACH_ON_RELOAD) {
2442	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2443	_global_reattach;	3991	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
		3994	trace "perl_reload: reattaching attachments to players";
		3995	reattach $_ for values %PLAYER;
		3996	}
2446		3997
2447	warn "restarting server ticker";	3998	cf::_post_init 1;
2448		3999
2449	$TICK_WATCHER->start;	4000	trace "perl_reload: leaving sync_job";
		4001
		4002	1
		4003	} or do {
		4004	error $@;
		4005	cf::cleanup "perl_reload: error, exiting.";
		4006	};
		4007
		4008	--$RELOAD;
		4009	}
		4010
		4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
		4013	};
		4014
		4015	our $RELOAD_WATCHER; # used only during reload
		4016
		4017	sub reload_perl() {
		4018	# doing reload synchronously and two reloads happen back-to-back,
		4019	# coro crashes during coro_state_free->destroy here.
		4020
		4021	$RELOAD_WATCHER ||= cf::async {
		4022	Coro::AIO::aio_wait cache_extensions;
		4023
		4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4025	do_reload_perl;
		4026	undef $RELOAD_WATCHER;
		4027	};
2450	};	4028	};
2451		4029	}
2452	if ($@) {
2453	warn $@;
2454	warn "error while reloading, exiting.";
2455	exit 1;
2456	}
2457
2458	warn "reloaded";
2459	};
2460
2461	our $RELOAD_WATCHER; # used only during reload
2462		4030
2463	register_command "reload" => sub {	4031	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2465		4033
2466	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
2468		4036	async {
2469	# doing reload synchronously and two reloads happen back-to-back,	4037	$Coro::current->{desc} = "perl_reload";
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;	4038	reload_perl;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);	4039	};
2481	}	4040	}
2482	};	4041	};
2483		4042
2484	unshift @INC, $LIBDIR;	4043	#############################################################################
2485		4044
2486	my $bug_warning = 0;	4045	my $bug_warning = 0;
2487		4046
2488	$TICK_WATCHER = Event->timer (	4047	our @WAIT_FOR_TICK;
2489	reentrant => 0,	4048	our @WAIT_FOR_TICK_BEGIN;
2490	parked => 1,	4049
2491	prio => 0,	4050	sub wait_for_tick() {
2492	at => $NEXT_TICK || $TICK,	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2493	data => WF_AUTOCANCEL,	4052
2494	cb => sub {	4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub wait_for_tick_begin() {
		4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4060
		4061	my $signal = new Coro::Signal;
		4062	push @WAIT_FOR_TICK_BEGIN, $signal;
		4063	$signal->wait;
		4064	}
		4065
		4066	sub tick {
2495	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
2498	return;	4070	return;
2499	}	4071	}
2500		4072
2501	$NOW = Event::time;
2502
2503	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2504	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;
2506		4074
2507	$WAIT_FOR_TICK->broadcast;	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2509		4076
2510	Event::sweep;	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2511	Coro::cede_notself;	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4079	Coro::async_pool {
		4080	$Coro::current->{desc} = "runtime saver";
		4081	write_runtime_sync
		4082	or error "ERROR: unable to write runtime file: $!";
		4083	};
		4084	}
		4085
		4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4087	$sig->send;
		4088	}
		4089	while (my $sig = shift @WAIT_FOR_TICK) {
		4090	$sig->send;
		4091	}
		4092
		4093	$LOAD = ($NOW - $TICK_START) / $TICK;
		4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4095
		4096	if (0) {
		4097	if ($NEXT_TICK) {
		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
2512		4101	}
2513	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#
2515
2516	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;
2521	},	4102	}
2522	);	4103	}
2523		4104
		4105	{
		4106	# configure BDB
		4107
		4108	BDB::min_parallel 16;
		4109	BDB::max_poll_reqs $TICK * 0.1;
		4110	$AnyEvent::BDB::WATCHER->priority (1);
		4111
		4112	unless ($DB_ENV) {
		4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4119
		4120	cf::sync_job {
		4121	eval {
		4122	BDB::db_env_open
		4123	$DB_ENV,
		4124	$BDBDIR,
		4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4127	0666;
		4128
		4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4130	};
		4131
		4132	cf::cleanup "db_env_open(db): $@" if $@;
		4133	};
		4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
		4145	}
		4146
		4147	{
		4148	# configure IO::AIO
		4149
		4150	IO::AIO::min_parallel 8;
2524	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
		4152	undef $AnyEvent::AIO::WATCHER;
		4153	}
2525		4154
2526	undef $Coro::AIO::WATCHER;	4155	my $_log_backtrace;
2527	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,
2529	fd => IO::AIO::poll_fileno,
2530	poll => 'r',
2531	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,
2534	);
2535		4156
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	4157	sub _log_backtrace {
2537	reentrant => 0,	4158	my ($msg, @addr) = @_;
2538	data => WF_AUTOCANCEL,	4159
2539	after => 1,	4160	$msg =~ s/\n//;
2540	interval => 10,	4161
2541	prio => 6, # keep it lowest so it acts like a watchdog	4162	# limit the # of concurrent backtraces
2542	cb => Coro::unblock_sub {	4163	if ($_log_backtrace < 2) {
2543	write_runtime	4164	++$_log_backtrace;
2544	or warn "ERROR: unable to write runtime file: $!";	4165	my $perl_bt = Carp::longmess $msg;
		4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
		4169	my @bt = fork_call {
		4170	@addr = map { sprintf "%x", $_ } @addr;
		4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4173	or die "addr2line: $!";
		4174
		4175	my @funcs;
		4176	my @res = <$fh>;
		4177	chomp for @res;
		4178	while (@res) {
		4179	my ($func, $line) = splice @res, 0, 2, ();
		4180	push @funcs, "[$func] $line";
		4181	}
		4182
		4183	@funcs
		4184	};
		4185
		4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4188	LOG llevInfo, "[ABT] $_\n" for @bt;
		4189	--$_log_backtrace;
		4190	};
		4191	} else {
		4192	LOG llevInfo, "[ABT] $msg\n";
		4193	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	4194	}
2546	);	4195	}
		4196
		4197	# load additional modules
		4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
2547		4200
2548	END { cf::emergency_save }	4201	END { cf::emergency_save }
2549		4202
2550	1	4203	1
2551		4204

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