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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 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;
53	our $USE_FSYNC; # use fsync to write maps - default off	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);
54		130
55	our %CFG;	131	our %CFG;
56		132
57	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
59		136
60	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		140
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $REALLY_UNLOOP; # never set to true, please :)
		153
71	binmode STDOUT;	154	binmode STDOUT;
72	binmode STDERR;	155	binmode STDERR;
73		156
74	# read virtual server time, if available	157	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
79	}	162	}
80		163
81	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
82	mkdir cf::localdir . "/" . cf::playerdir;	165
83	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
84	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
85	mkdir $RANDOM_MAPS;
86		168
87	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
88		170
89	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
90		187
91	#############################################################################	188	#############################################################################
92		189
93	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
94		191
…		…
101	=item $cf::RUNTIME	198	=item $cf::RUNTIME
102		199
103	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
104	every server tick.	201	every server tick.
105		202
106	=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
107		206
108	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		211
111	=item $cf::NOW	212	=item $cf::NOW
112		213
113	The time of the last (current) server tick.	214	The time of the last (current) server tick.
114		215
115	=item $cf::TICK	216	=item $cf::TICK
116		217
117	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
118		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
119	=item %cf::CFG	230	=item %cf::CFG
120		231
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	233	from wherever your confdir points to.
123		234
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		236
126	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
127	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
128	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.
129	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.
130		257
131	=back	258	=back
132		259
133	=cut	260	=cut
134		261
135	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
136	*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 {
137	my $msg = join "", @_;	269	my $msg = join "", @_;
138	utf8::encode $msg;
139		270
140	$msg .= "\n"	271	$msg .= "\n"
141	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
142		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
143	LOG llevError, $msg;	276	LOG llevWarn, $msg;
144	};	277	};
145	}	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	};
146		292
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		300
154	# 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
155	# within the Safe compartment.	302	# within the Safe compartment.
156	for my $pkg (qw(	303	for my $pkg (qw(
157	cf::global cf::attachable	304	cf::global cf::attachable
158	cf::object cf::object::player	305	cf::object cf::object::player
159	cf::client cf::player	306	cf::client cf::player
160	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
161	cf::map cf::party cf::region	309	cf::party cf::region
162	)) {	310	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	312	}
166		313
167	$Event::DIED = sub {	314	$EV::DIED = sub {
168	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
169	};	316	};
		317
		318	#############################################################################
170		319
171	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
172		321
173	=over 4	322	=over 4
174		323
…		…
193	$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;
194	$d	343	$d
195	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
196	}	345	}
197		346
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
201		348
202	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
203		350
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
212		352
213	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
214		354
215	=cut	355	=cut
216		356
217	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
219	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	}
220	}	403	}
221		404
222	=item cf::lock_wait $string	405	=item cf::lock_wait $string
223		406
224	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
225		408
226	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
227		410
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
231	returned.	414	returned.
232		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
233	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
234	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
235		421
236	=cut	422	=item $locked = cf::lock_active $string
237		423
238	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
239		429
240	sub lock_wait($) {	430	sub lock_wait($) {
241	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
242
243	# wait for lock, if any
244	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;
247	}
248	}	432	}
249		433
250	sub lock_acquire($) {	434	sub lock_acquire($) {
251	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
252		437
253	# wait, to be sure we are not locked	438	sub lock_active($) {
254	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
255
256	$LOCK{$key} = [];
257
258	Coro::guard {
259	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };
261	}
262	}	440	}
263		441
264	sub freeze_mainloop {	442	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
266		444
267	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
268	$TICK_WATCHER->start;	446	}
269	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
270	};	512	}
271	$WRITE_RUNTIME_WATCHER->stop;	513	};
272	$TICK_WATCHER->stop;	514
273	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
274	}	528	}
275		529
276	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
277		531
278	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		537
284	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
285		539
286	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
287		541
288	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
291		546
292	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
295	fast or be very important.	550	fast or be very important.
…		…
297	=cut	552	=cut
298		553
299	sub sync_job(&) {	554	sub sync_job(&) {
300	my ($job) = @_;	555	my ($job) = @_;
301		556
302	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
303	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
305		562
306	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	564
308	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
309		566
310	my $busy = 1;	567	my $busy = 1;
311	my @res;	568	my @res;
312		569
313	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	572	@res = eval { $job->() };
315	warn $@ if $@;	573	error $@ if $@;
316	undef $busy;	574	undef $busy;
317	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
318		576
319	while ($busy) {	577	while ($busy) {
320	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
321	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
322		588
323	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
324	} else {	590	} else {
325	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
326		592
…		…
346	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
347		613
348	$coro	614	$coro
349	}	615	}
350		616
351	sub write_runtime {	617	=item fork_call { }, @args
352	my $runtime = cf::localdir . "/runtime";
353		618
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
355	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.
356		623
357	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		625
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
362	and return;	627	reset_signals;
		628	}
363		629
364	# always fsync - this file is important	630	sub fork_call(&@) {
365	aio_fsync $fh	631	my ($cb, @args) = @_;
366	and return;
367		632
368	close $fh	633	# we seemingly have to make a local copy of the whole thing,
369	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
370		636
371	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
372	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
373		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
374	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 });
375	}	821	}
376		822
377	=back	823	=back
378		824
379	=cut	825	=cut
380		826
381	#############################################################################	827	#############################################################################
382		828
383	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
384		830
385	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
386	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")
387	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
388		834
389	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>
390	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
391	crossfire+).	837	Deliantra).
392		838
393	=over 4	839	=over 4
394		840
395	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
396		842
…		…
440	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
441		887
442	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
444		890
445	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
446	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.
447		893
448	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
449		895
450	=over 4	896	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
560		1006
561	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		1011
566	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
568		1014
569	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
574		1020
575	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
577		1023
578	} elsif (ref $type) {	1024	} elsif (ref $type) {
579	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
580		1026
581	} else {	1027	} else {
582	shift @arg;	1028	shift @arg;
583	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
584	}	1030	}
585	}	1031	}
586	}	1032	}
587		1033
588	sub _object_attach {	1034	sub _object_attach {
…		…
598	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
599	}	1045	}
600		1046
601	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
602	} else {	1048	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
604	}	1050	}
605		1051
606	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
607	}	1053	}
608		1054
…		…
610	if (ref $_[0]) {	1056	if (ref $_[0]) {
611	_object_attach @_;	1057	_object_attach @_;
612	} else {	1058	} else {
613	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
614	}	1060	}
		1061	_recalc_want;
615	};	1062	};
616		1063
617	# all those should be optimised	1064	# all those should be optimised
618	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
623	reattach ($obj);	1070	reattach ($obj);
624	} else {	1071	} else {
625	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
626	}	1073	}
		1074	_recalc_want;
627	};	1075	};
628		1076
629	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
631		1079
…		…
646	";	1094	";
647	die if $@;	1095	die if $@;
648	}	1096	}
649		1097
650	our $override;	1098	our $override;
651	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?
652		1100
653	sub override {	1101	sub override {
654	$override = 1;	1102	$override = 1;
655	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
656	}	1104	}
657		1105
658	sub do_invoke {	1106	sub do_invoke {
659	my $event = shift;	1107	my $event = shift;
660	my $callbacks = shift;	1108	my $callbacks = shift;
661		1109
662	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
663		1111
664	local $override;	1112	local $override;
665		1113
666	for (@$callbacks) {	1114	for (@$callbacks) {
667	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
668		1116
669	if ($@) {	1117	if ($@) {
670	warn "$@";
671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
672	override;	1119	override;
673	}	1120	}
674		1121
675	return 1 if $override;	1122	return 1 if $override;
676	}	1123	}
677		1124
678	0	1125	0
679	}	1126	}
680		1127
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1129
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1131
685	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
686		1133
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1137
691	=back	1138	=back
692		1139
693	=cut	1140	=cut
694		1141
695	#############################################################################	1142	#############################################################################
696	# 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, $ob2
		1185	}
697		1186
698	sub reattach {	1187	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1189	my ($obj) = @_;
701		1190
		1191	# no longer needed after getting rid of delete_package?
702	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
703		1193
704	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
705		1195
706	@$registry = ();	1196	@$registry = ();
707		1197
…		…
712	for (@$attach) {	1202	for (@$attach) {
713	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
714	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
715	}	1205	}
716	} else {	1206	} else {
717	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
718	}	1208	}
719	}	1209	}
720	}	1210	}
721		1211
722	cf::attachable->attach (	1212	cf::attachable->attach (
723	prio => -1000000,	1213	prio => -1000000,
724	on_instantiate => sub {	1214	on_instantiate => sub {
725	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
726		1216
727	$data = from_json $data;	1217	$data = decode_json $data;
728		1218
729	for (@$data) {	1219	for (@$data) {
730	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
731		1221
732	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1238	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
750		1240
751	sync_job {	1241	sync_job {
752	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
755		1247
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($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;
		1253	aio_fsync $fh;
		1254	}
760	close $fh;	1255	aio_close $fh;
761		1256
762	if (@$objs) {	1257	if (@$objs) {
763	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) {
764	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($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;
		1264	aio_fsync $fh;
		1265	}
768	close $fh;	1266	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
770	}	1268	}
771	} else {	1269	} else {
772	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
773	}	1271	}
774		1272
775	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1277	} else {
777	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
778	}	1279	}
779	} else {	1280	} else {
780	aio_unlink $filename;	1281	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
782	}	1283	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1284	};
790	}	1285	}
791		1286
792	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
794		1289
…		…
799		1294
800	sub object_thawer_load {	1295	sub object_thawer_load {
801	my ($filename) = @_;	1296	my ($filename) = @_;
802		1297
803	my ($data, $av);	1298	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1299
808	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
809	or return;	1301	or return;
810		1302
811	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
813	or return;	1305	or return;
		1306
814	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
815	}	1309	}
816		1310
		1311	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
819	return ($data, $av);	1316	($data, $av)
820	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
821		1324
822	#############################################################################	1325	#############################################################################
823	# command handling &c	1326	# command handling &c
824		1327
825	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1342	}
840		1343
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1345
843	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.
844		1351
845	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
846	called.	1353	called.
847		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
848	=cut	1366	=cut
849		1367
850	sub register_extcmd {	1368	sub register_extcmd {
851	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
852		1370
853	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
854	}	1372	}
855		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
856	cf::player->attach (	1382	cf::player->attach (
857	on_command => sub {	1383	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
859		1385
860	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
861	or return;	1387	or return;
862		1388
…		…
867	cf::override;	1393	cf::override;
868	},	1394	},
869	on_extcmd => sub {	1395	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
871		1397
872	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1399
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
880	} else {	1415	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1417	}
883		1418
884	cf::override;	1419	cf::override;
885	},	1420	},
886	);	1421	);
887		1422
		1423	# "readahead" all extensions
888	sub load_extension {	1424	sub cache_extensions {
889	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
890		1426
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1430	}
916	die $@;
917	}	1431	};
918		1432
919	push @EXTS, $pkg;	1433	$grp
920	}	1434	}
921		1435
922	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
923	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1443	next unless -r $path;
925	eval {	1444
926	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 $active;
		1507	}
927	1	1508	}
928	} or warn "$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	}
929	}	1519	};
930	}	1520	}
931		1521
932	#############################################################################	1522	#############################################################################
933		1523
		1524	=back
		1525
934	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
935		1527
936	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
937		1529
938	=cut	1530	=cut
939		1531
940	package cf::player;	1532	package cf::player;
941		1533
…		…
943		1535
944	=head3 cf::player	1536	=head3 cf::player
945		1537
946	=over 4	1538	=over 4
947		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
948	=item cf::player::find $login	1554	=item cf::player::find $login
949		1555
950	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
951		1557
952	=cut	1558	=cut
953		1559
954	sub playerdir($) {	1560	sub playerdir($) {
955	cf::localdir	1561	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1563	}
961		1564
962	sub path($) {	1565	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1567
965	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
966	}	1569	}
967		1570
968	sub find_active($) {	1571	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
973		1576
974	sub exists($) {	1577	sub exists($) {
975	my ($login) = @_;	1578	my ($login) = @_;
976		1579
977	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
979	}	1582	}
980		1583
981	sub find($) {	1584	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1586	my $login = $_[0];
984		1587
985	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
986		1589
987	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
991	}	1607	}
992	}	1608	}
993	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
994		1623
995	sub save($) {	1624	sub save($) {
996	my ($pl) = @_;	1625	my ($pl) = @_;
997		1626
998	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1004		1633
1005	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1007		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
1008	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1009	Coro::cede;	1643	cf::cede_to_tick;
1010	}	1644	}
1011		1645
1012	sub new($) {	1646	sub new($) {
1013	my ($login) = @_;	1647	my ($login) = @_;
1014		1648
…		…
1020	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1021		1655
1022	$self	1656	$self
1023	}	1657	}
1024		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
1025	=item $pl->quit_character	1669	=item $pl->quit_character
1026		1670
1027	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1029		1673
1030	=cut	1674	=cut
1031		1675
1032	sub quit_character {	1676	sub quit_character {
1033	my ($pl) = @_;	1677	my ($pl) = @_;
1034		1678
		1679	my $name = $pl->ob->name;
		1680
1035	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1036	$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
1037		1683
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1039	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1041	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1042		1692
1043	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1719	}
1050		1720
1051	=item cf::player::list_logins	1721	=item cf::player::list_logins
1052		1722
1053	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
1054	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1055		1725
1056	=cut	1726	=cut
1057		1727
1058	sub list_logins {	1728	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1730	or return [];
1061		1731
1062	my @logins;	1732	my @logins;
1063		1733
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1068		1744
1069	utf8::decode $login;	1745	utf8::decode $login;
1070	push @logins, $login;	1746	push @logins, $login;
1071	}	1747	}
1072		1748
1073	\@logins	1749	\@logins
1074	}	1750	}
1075		1751
1076	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1077		1755
1078	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1079	player. May block.	1757	player. May block.
1080		1758
1081	=cut	1759	=cut
…		…
1099	}	1777	}
1100		1778
1101	\@paths	1779	\@paths
1102	}	1780	}
1103		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1105		1787
1106	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1107		1789
1108	=cut	1790	=cut
1109		1791
1110	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1112		1794
1113	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1796	}
1117		1797
1118	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	}
1119		1840
1120	=back	1841	=back
1121
1122		1842
1123	=head3 cf::map	1843	=head3 cf::map
1124		1844
1125	=over 4	1845	=over 4
1126		1846
…		…
1138	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1140		1860
1141	sub generate_random_map {	1861	sub generate_random_map {
1142	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
1143	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1867	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1166		1889
1167	sub register {	1890	sub register {
1168	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1169	my $pkg = caller;	1892	my $pkg = caller;
1170		1893
1171	no strict;
1172	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1173		1895
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1897	}
1176		1898
1177	# also paths starting with '/'	1899	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1901
1180	sub thawer_merge {	1902	sub thawer_merge {
1181	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1182		1904
1183	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1184	local $self->{path};	1906	local $self->{path};
1185	local $self->{load_path};	1907	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1908
1189	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1190	}	1910	}
1191		1911
1192	sub normalise {	1912	sub normalise {
1193	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1194		1914
1195	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1196		1916
1197	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1198		1918
1199	# map plan:	1919	# map plan:
1200	#	1920	#
…		…
1239	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1240	return $self;	1960	return $self;
1241	}	1961	}
1242	}	1962	}
1243		1963
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1245	()	1965	()
1246	}	1966	}
1247		1967
1248	sub init {	1968	sub init {
1249	my ($self) = @_;	1969	my ($self) = @_;
…		…
1264		1984
1265	# the original (read-only) location	1985	# the original (read-only) location
1266	sub load_path {	1986	sub load_path {
1267	my ($self) = @_;	1987	my ($self) = @_;
1268		1988
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1270	}	1990	}
1271		1991
1272	# the temporary/swap location	1992	# the temporary/swap location
1273	sub save_path {	1993	sub save_path {
1274	my ($self) = @_;	1994	my ($self) = @_;
1275		1995
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1278	}	1998	}
1279		1999
1280	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1281	sub uniq_path {	2001	sub uniq_path {
1282	my ($self) = @_;	2002	my ($self) = @_;
1283		2003
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1286	}	2006	}
1287		2007
1288	# and all this just because we cannot iterate over	2008	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	2009	my ($self) = @_;
1292		2010
1293	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1295	}	2014	}
1296		2015
1297	sub unlink_save {	2016	sub unlink_save {
1298	my ($self) = @_;	2017	my ($self) = @_;
1299		2018
1300	utf8::encode (my $save = $self->save_path);	2019	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	2022	}
1309		2023
1310	sub load_header_from($) {	2024	sub load_header_from($) {
1311	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1312		2026
1313	utf8::encode $path;	2027	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1319		2036
1320	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1321		2038
1322	1	2039	1
1323	}	2040	}
…		…
1362	$self->load_header_orig	2079	$self->load_header_orig
1363	or return;	2080	or return;
1364	$self->prepare_orig;	2081	$self->prepare_orig;
1365	}	2082	}
1366		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
1367	1	2090	1
1368	}	2091	}
1369		2092
1370	sub find;	2093	sub find;
1371	sub find {	2094	sub find {
1372	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1373		2096
		2097	cf::cede_to_tick;
		2098
1374	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1375		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1377		2103
1378	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1381	or return;	2106	or return;
1382		2107
1383	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1384		2109
1385	$map->load_header	2110	$map->load_header
1386	or return;	2111	or return;
1387		2112
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1391	$map->reset;	2118	$map->reset;
1392	undef $guard;
1393	return find $path;	2119	return find $path;
1394	}	2120	}
1395		2121
1396	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1397	}	2123	}
1398	}	2124	}
1399		2125
1400	sub pre_load { }	2126	sub pre_load { }
1401	sub post_load { }	2127	#sub post_load { } # XS
1402		2128
1403	sub load {	2129	sub load {
1404	my ($self) = @_;	2130	my ($self) = @_;
1405		2131
1406	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1407		2133
1408	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1410		2138
		2139	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2141
1413	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1414		2143
1415	$self->alloc;	2144	$self->alloc;
1416		2145
1417	$self->pre_load;	2146	$self->pre_load;
		2147	cf::cede_to_tick;
1418		2148
1419	$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)
1420	or return;	2152	or return;
1421		2153
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1423	if delete $self->{load_original};	2155	if delete $self->{load_original};
1424		2156
1425	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2158	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2161	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1430	}	2165	}
1431	}	2166	}
1432		2167
1433	Coro::cede;	2168	$f->resolve_delayed_derefs;
1434		2169
		2170	cf::cede_to_tick;
1435	# now do the right thing for maps	2171	# now do the right thing for maps
1436	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2174	unless $self->difficulty;
1446	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;
1447	$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);
1448	}	2189	}
1449		2190
1450	$self->post_load;	2191	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2192	}
1454		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
1455	sub customise_for {	2197	sub customise_for {
1456	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1457		2199
1458	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2201	if $self->per_player;
1460		2202
		2203	# return find "?party/" . $ob->name . "/" . $self->{path}
		2204	# if $self->per_party;
		2205
1461	$self	2206	$self
1462	}	2207	}
1463		2208
1464	# 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
1465	sub load_diag {	2210	sub load_neighbours {
1466	my ($map) = @_;	2211	my ($map) = @_;
1467		2212
1468	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1469		2214
1470	for (0 .. 3) {	2215	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1472	or next;	2217	or next;
1473	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1474	or next;	2219	or next;
1475	$neigh->load;	2220	$neigh->load;
1476		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2226	}
1480		2227
1481	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1483	or next;	2231	or next;
1484	$neigh->load;	2232	$neigh->load;
1485	}	2233	}
1486	}	2234	}
1487		2235
1488	sub find_sync {	2236	sub find_sync {
1489	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1490		2238
1491	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
1492	}	2243	}
1493		2244
1494	sub do_load_sync {	2245	sub do_load_sync {
1495	my ($map) = @_;	2246	my ($map) = @_;
1496		2247
1497	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;
1498	}	2252	}
1499		2253
1500	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1502		2256
1503	sub find_async {	2257	sub find_async {
1504	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1505		2259
1506	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1507		2261
1508	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2264	}
1511		2265
1512	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1513	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1514	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2273	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2274	$map->load if $v;
		2275	}
1519		2276
1520	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1521	}	2278	}
1522	}	2279	}
1523	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1524	};	2281	};
1525	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1526		2283
1527	()	2284	()
1528	}	2285	}
1529		2286
		2287	# common code, used by both ->save and ->swapout
1530	sub save {	2288	sub _save {
1531	my ($self) = @_;	2289	my ($self) = @_;
1532
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1534		2290
1535	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1536		2292
1537	return unless $self->dirty;	2293	return unless $self->dirty;
1538		2294
…		…
1544	return if $self->{deny_save};	2300	return if $self->{deny_save};
1545		2301
1546	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1547		2303
1548	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1550	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1551		2310
1552	if ($uniq) {	2311	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2314	} else {
1556	$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);
1557	}	2316	}
1558	}	2317	}
1559		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1560	sub swap_out {	2327	sub swap_out {
1561	my ($self) = @_;	2328	my ($self) = @_;
1562		2329
1563	# save first because save cedes
1564	$self->save;
1565
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1568	return if $self->players;	2334	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};
1571		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
1572	$self->clear;	2345	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2346	}
1575		2347
1576	sub reset_at {	2348	sub reset_at {
1577	my ($self) = @_;	2349	my ($self) = @_;
1578		2350
1579	# TODO: safety, remove and allow resettable per-player maps	2351	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2352	return 1e99 if $self->{deny_reset};
1582		2353
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	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;
1585		2356
…		…
1596	my ($self) = @_;	2367	my ($self) = @_;
1597		2368
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2370
1600	return if $self->players;	2371	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2372
1603	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	}
1604		2384
1605	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1606		2386
1607	$self->in_memory (cf::MAP_SWAPPED);	2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2389	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2390
1612	$self->unlink_save;	2391	$self->unlink_save;
1613	$self->destroy;	2392	$self->destroy;
1614	}	2393	}
1615		2394
1616	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1617		2396
1618	sub nuke {	2397	sub nuke {
1619	my ($self) = @_;	2398	my ($self) = @_;
1620		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1621	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1622		2404
1623	$self->unlink_save;	2405	$self->unlink_save;
1624		2406
1625	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1626	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2412
1631	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1632		2415
1633	$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	]
1634	}	2453	}
1635		2454
1636	=item cf::map::unique_maps	2455	=item cf::map::unique_maps
1637		2456
1638	Returns an arrayref of paths of all shared maps that have	2457	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2458	instantiated unique items. May block.
1640		2459
1641	=cut	2460	=cut
1642		2461
1643	sub unique_maps() {	2462	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2463	[
1645	or return;	2464	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2465	utf8::decode $_;
1651	next if /\.pst$/;	2466	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2468	? ()
1654	push @paths, cf::map::normalise $_;	2469	: normalise $_
		2470	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2471	]
1656
1657	\@paths
1658	}	2472	}
1659		2473
1660	package cf;	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) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
1661		2505
1662	=back	2506	=back
1663		2507
1664	=head3 cf::object	2508	=head3 cf::object
1665		2509
…		…
1669		2513
1670	=over 4	2514	=over 4
1671		2515
1672	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
1673		2517
1674	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.
1675		2520
1676	=cut	2521	=cut
1677		2522
1678	sub inv_recursive_;	2523	sub inv_recursive_;
1679	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
1682		2527
1683	sub inv_recursive {	2528	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
1685	}	2530	}
1686		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
1687	package cf;	2560	package cf;
1688		2561
1689	=back	2562	=back
1690		2563
1691	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
1697	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>
1698	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
1699	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
1700		2573
1701	=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	};
1702		2589
1703	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2591	# with dialog boxes.
1705	#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
1706	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
1708		2595
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2596	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2597
1711	if ($self->{record_replies}) {	2598	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2599	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2600
1713	} 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 {
1714	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2611	}
1716	}	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 (@_);
1717	}	2623	}
1718		2624
1719	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
1720		2626
1721	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
1734		2640
1735	=item $player_object->enter_link	2641	=item $player_object->enter_link
1736		2642
1737	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}>).
1738		2644
1739	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.
1740	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.
1741		2649
1742	Will never block.	2650	Will never block.
1743		2651
1744	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
1745		2653
…		…
1765	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
1766	my ($self) = @_;	2674	my ($self) = @_;
1767		2675
1768	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
1769		2677
		2678	++$self->{_link_recursion};
		2679
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2681
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2683	if $self->map && $self->map->{path} ne "{link}";
1774		2684
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1776	}	2686	}
1777		2687
1778	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
		2690
		2691	return unless $self->contr->active;
1780		2692
1781	my $link_pos = delete $self->{_link_pos};	2693	my $link_pos = delete $self->{_link_pos};
1782		2694
1783	unless ($map) {	2695	unless ($map) {
1784	# restore original map position	2696	# restore original map position
…		…
1795	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
1796	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
1797		2709
1798	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
1801		2713
1802	$map->load;	2714	$map->load;
1803	$map->load_diag;	2715	$map->load_neighbours;
1804		2716
1805	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
1806	$self->activate_recursive;	2724	$self->activate_recursive;
1807	$self->enter_map ($map, $x, $y);
1808	}
1809
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},	2725	}
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2726
1824	# try to abort aborted map switching on player login :)	2727	}
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2728
1842	=item $player_object->goto ($path, $x, $y)	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1843		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
1844	=cut	2740	=cut
		2741
		2742	our $GOTOGEN;
1845		2743
1846	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
1847	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;
1848		2755
1849	$self->enter_link;	2756	$self->enter_link;
1850		2757
1851	(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
1852	my $map = eval {	2780	my $map = eval {
1853	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
		2782
		2783	if ($map) {
1854	$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
1855	$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 $@;
1856	} or	2796	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2797
		2798	if ($gen == $self->{_goto_generation}) {
		2799	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
		2801	}
		2802
		2803	$done->($self) if $done;
1860	})->prio (1);	2804	})->prio (1);
1861	}	2805	}
1862		2806
1863	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
1864		2808
…		…
1884	}	2828	}
1885		2829
1886	sub prepare_random_map {	2830	sub prepare_random_map {
1887	my ($exit) = @_;	2831	my ($exit) = @_;
1888		2832
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2835	# that depends on the exit object
1894		2836
1895	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2839	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
1902	}	2846	}
1903		2847
1904	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
1905		2849
1906	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
1909		2853
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2856	undef $fh;
1913	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
1914		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
1917	}	2865	}
1918	}	2866	}
1919		2867
1920	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
1922		2870
1923	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
1924		2872
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2873	$self->enter_link;
1935		2874
1936	(async {	2875	(async {
1937	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
1938	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
1939	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
1940		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
1941	1;	2899	1
1942	}) {	2900	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2905
1948	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
1949	$self->leave_link;	2907	$self->leave_link;
1950	}	2908	}
1951	})->prio (1);	2909	})->prio (1);
1952	}	2910	}
1953		2911
…		…
1964		2922
1965	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
1967		2925
1968	utf8::encode $text;	2926	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2928	}
1971		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	}
1972		3151
1973	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
1974		3153
1975	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
1976	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>,
1977	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>.
1978		3157
1979	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
1980	reliable at some point in the future.	3159	become reliable at some point in the future.
1981		3160
1982	=cut	3161	=cut
1983		3162
1984	sub cf::client::query {	3163	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	3172	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		3174
1996	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
1998	}	3179	}
1999		3180
2000	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	},
2001	on_reply => sub {	3187	on_reply => sub {
2002	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
2003		3189
2004	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
2005	# get handled first	3191	# get handled first
…		…
2017	} else {	3203	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3205	}
2020	}	3206	}
2021	},	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	},
2022	);	3234	);
2023		3235
2024	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
2025		3237
2026	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
2042		3254
2043	$coro	3255	$coro
2044	}	3256	}
2045		3257
2046	cf::client->attach (	3258	cf::client->attach (
2047	on_destroy => sub {	3259	on_client_destroy => sub {
2048	my ($ns) = @_;	3260	my ($ns) = @_;
2049		3261
2050	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2051	},	3263	},
2052	);	3264	);
…		…
2067	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2069		3281
2070	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2071		3283
2072	$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	));
2073		3289
2074	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2075		3291
2076	=pod	3292	=pod
2077		3293
2078	The following fucntions and emthods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2079		3295
2080	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
2081	cf::object::player player	3301	cf::object::player
2082	cf::player peaceful	3302	player
2083	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2084		3309
2085	=cut	3310	=cut
2086		3311
2087	for (	3312	for (
2088	["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)],
2089	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2091	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2092	) {	3319	) {
2093	no strict 'refs';
2094	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2096	for @funs;	3322	for @funs;
2097	}	3323	}
2098		3324
…		…
2113		3339
2114	my $qcode = $code;	3340	my $qcode = $code;
2115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2116	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2117		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2118	local $_;	3347	local $_;
2119	local @safe::cf::_safe_eval_args = values %vars;
2120		3348
2121	my $eval =	3349	my $eval =
2122	"do {\n"	3350	"do {\n"
2123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2124	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2125	. $code	3353	. $code
2126	. "\n}"	3354	. "\n}"
2127	;	3355	;
2128		3356
		3357	if ($CFG{safe_eval}) {
2129	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2131	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	}
2132		3366
2133	if ($@) {	3367	if ($@) {
2134	warn "$@";	3368	warn "$@",
2135	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2136	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2137	}	3371	}
2138		3372
2139	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2140	}	3374	}
2141		3375
…		…
2155	=cut	3389	=cut
2156		3390
2157	sub register_script_function {	3391	sub register_script_function {
2158	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2159		3393
2160	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2162	}	3396	}
2163		3397
2164	=back	3398	=back
2165		3399
2166	=cut	3400	=cut
2167
2168	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275		3401
2276	#############################################################################	3402	#############################################################################
2277	# the server's init and main functions	3403	# the server's init and main functions
2278		3404
		3405	sub load_facedata($) {
		3406	my ($path) = @_;
		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
		3414	trace "loading facedata from $path\n";
		3415
		3416	0 < aio_load $path, my $facedata
		3417	or die "$path: $!";
		3418
		3419	$facedata = Coro::Storable::thaw $facedata;
		3420
		3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
		3433	{
		3434	my $faces = $facedata->{faceinfo};
		3435
		3436	while (my ($face, $info) = each %$faces) {
		3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
		3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
		3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3443
		3444	cf::cede_to_tick;
		3445	}
		3446
		3447	while (my ($face, $info) = each %$faces) {
		3448	next unless $info->{smooth};
		3449
		3450	my $idx = cf::face::find $face
		3451	or next;
		3452
		3453	if (my $smooth = cf::face::find $info->{smooth}) {
		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	}
		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, $v);
		3502	}
		3503	};
		3504
2279	sub load_resources {	3505	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2281	or die "unable to load regions file\n";#d#	3521	or die "unable to load regions file\n";
2282	}
2283		3522
2284	sub cfg_load {	3523	for (cf::region::list) {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3524	$_->{match} = qr/$_->{match}/
2286	or return;	3525	if exists $_->{match};
		3526	}
		3527	}
2287		3528
2288	local $/;	3529	sub reload_facedata {
2289	*CFG = YAML::Syck::Load <$fh>;	3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
2290		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$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
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2292		3591
2293	$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};
2294	$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};
2295		3594
2296	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2300	};	3599	};
2301	warn $@ if $@;	3600	warn $@ if $@;
2302	}	3601	}
2303	}	3602	}
2304		3603
2305	sub init {	3604	sub pidfile() {
2306	load_resources;	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;
2307	}	3630	}
2308		3631
2309	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
2310	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2312	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#
2313	(async {	3645	(async {
2314	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2316	};	3649	};
2317		3650
2318	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2319	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
2320	load_extensions;	3674	load_extensions;
2321		3675
2322	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2323	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;
2324	}	3694	}
2325		3695
2326	#############################################################################	3696	#############################################################################
2327	# initialisation and cleanup	3697	# initialisation and cleanup
2328		3698
2329	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2330	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2339	},
2340	);	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
2341	}	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 };
2342	}	3795	}
2343		3796
2344	sub emergency_save() {	3797	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2346		3799
2347	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;
2348		3806
2349	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2350	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3818	$pl->save;
2358	}	3819	}
2359	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2360		3821
2361	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";
2362	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3827	$map->valid or next;
2365	$map->save;	3828	$map->save;
2366	}	3829	}
2367	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 $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2368	};	3860	};
2369		3861
2370	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2371	}	3863	}
2372		3864
		3865	sub post_cleanup {
		3866	my ($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
2373	sub reload() {	3902	sub do_reload_perl() {
2374	# can/must only be called in main	3903	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2376	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2377	return;	3906	return;
2378	}	3907	}
2379		3908
2380	warn "reloading...";	3909	return if $RELOAD++;
2381		3910
2382	warn "cancelling server ticker";	3911	my $t1 = AE::time;
2383	$TICK_WATCHER->cancel;
2384		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 {
2385	cf::emergency_save;	3920	#cf::emergency_save;
2386		3921
2387	eval {
2388	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";
2399	for (;;) {
2400	IO::AIO::flush;
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3924	%EXT_CORO = ();
2409		3925
2410	warn "removing commands";	3926	trace "perl_reload: removing commands";
2411	%COMMAND = ();	3927	%COMMAND = ();
2412		3928
2413	warn "removing ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2414	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2415		3932
2416	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2419		3936
2420	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2421	eval {	3938	eval {
2422	$cb->($pkg);	3939	$cb->($pkg);
2423	1	3940	1
2424	} 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;
2425	}	3946	}
2426		3947
2427	warn "... nuking $pkg";
2428	Symbol::delete_package $pkg;
2429	}
2430
2431	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2432	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3951
2435	warn "... unloading $k";	3952	trace "... unloading $k";
2436	delete $INC{$k};	3953	delete $INC{$k};
2437		3954
2438	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2440		3957
2441	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2442	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2443	}	3963	}
2444		3964
2445	Symbol::delete_package $k;
2446	}
2447
2448	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2450	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);
2451		3968
2452	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
		3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2454		3972
2455	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3974	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2458		3976
2459	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2460		3978
2461	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2462	require cf;	3980	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2464		3982
2465	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2466	cf::cfg_load;	3984	cf::reload_config;
2467	cf::db_load;
2468		3985
2469	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2470	cf::load_extensions;	3987	cf::load_extensions;
2471		3988
		3989	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2473	_global_reattach;	3991	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
		3994	trace "perl_reload: reattaching attachments to players";
		3995	reattach $_ for values %PLAYER;
		3996	}
2476		3997
2477	warn "loading reloadable resources";	3998	cf::_post_init 1;
2478	load_resources;
2479		3999
2480	warn "restarting server ticker";	4000	trace "perl_reload: leaving sync_job";
2481		4001
2482	$TICK_WATCHER->start;	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	};
2483	};	4028	};
2484		4029	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		4030
2496	register_command "reload" => sub {	4031	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2498		4033
2499	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
2501		4036	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	4037	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	4038	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	4039	};
2514	}	4040	}
2515	};	4041	};
2516		4042
2517	unshift @INC, $LIBDIR;	4043	#############################################################################
2518		4044
2519	my $bug_warning = 0;	4045	my $bug_warning = 0;
2520		4046
2521	$TICK_WATCHER = Event->timer (	4047	our @WAIT_FOR_TICK;
2522	reentrant => 0,	4048	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	4049
2524	prio => 0,	4050	sub wait_for_tick() {
2525	at => $NEXT_TICK || $TICK,	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	4052
2527	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 {
2528	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
2529	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"
2530	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
2531	return;	4070	return;
2532	}	4071	}
2533		4072
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		4074
2540	$WAIT_FOR_TICK->broadcast;	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		4076
2543	Event::sweep;	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2544	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#
2545		4101	}
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},	4102	}
2555	);	4103	}
2556		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;
2557	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
		4152	undef $AnyEvent::AIO::WATCHER;
		4153	}
2558		4154
2559	undef $Coro::AIO::WATCHER;	4155	my $_log_backtrace;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568		4156
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	4157	sub _log_backtrace {
2570	reentrant => 0,	4158	my ($msg, @addr) = @_;
2571	data => WF_AUTOCANCEL,	4159
2572	after => 1,	4160	$msg =~ s/\n//;
2573	interval => 10,	4161
2574	prio => 6, # keep it lowest so it acts like a watchdog	4162	# limit the # of concurrent backtraces
2575	cb => Coro::unblock_sub {	4163	if ($_log_backtrace < 2) {
2576	write_runtime	4164	++$_log_backtrace;
2577	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] $msg\n";
		4193	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	4194	}
2579	);	4195	}
		4196
		4197	# load additional modules
		4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
2580		4200
2581	END { cf::emergency_save }	4201	END { cf::emergency_save }
2582		4202
2583	1	4203	1
2584		4204

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