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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	201	every server tick.
104		202
105	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
129		257
130	=back	258	=back
131		259
132	=cut	260	=cut
133		261
134	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	269	my $msg = join "", @_;
137	utf8::encode $msg;
138		270
139	$msg .= "\n"	271	$msg .= "\n"
140	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
141		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
142	LOG llevError, $msg;	276	LOG llevWarn, $msg;
143	};	277	};
144	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
145		292
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		300
153	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	302	# within the Safe compartment.
155	for my $pkg (qw(	303	for my $pkg (qw(
156	cf::global cf::attachable	304	cf::global cf::attachable
157	cf::object cf::object::player	305	cf::object cf::object::player
158	cf::client cf::player	306	cf::client cf::player
159	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
160	cf::map cf::party cf::region	309	cf::party cf::region
161	)) {	310	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	312	}
165		313
166	$Event::DIED = sub {	314	$EV::DIED = sub {
167	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
168	};	316	};
		317
		318	#############################################################################
169		319
170	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
171		321
172	=over 4	322	=over 4
173		323
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	343	$d
194	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
195	}	345	}
196		346
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
200		348
201	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
202		350
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
211		352
212	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
213		354
214	=cut	355	=cut
215		356
216	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
218	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
219	}	403	}
220		404
221	=item cf::lock_wait $string	405	=item cf::lock_wait $string
222		406
223	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
224		408
225	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
226		410
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
230	returned.	414	returned.
231		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
232	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
233	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
234		421
235	=cut	422	=item $locked = cf::lock_active $string
236		423
237	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
238		429
239	sub lock_wait($) {	430	sub lock_wait($) {
240	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	432	}
248		433
249	sub lock_acquire($) {	434	sub lock_acquire($) {
250	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
251		437
252	# wait, to be sure we are not locked	438	sub lock_active($) {
253	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	440	}
262		441
263	sub freeze_mainloop {	442	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
265		444
266	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	446	}
268	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
269	};	512	}
270	$WRITE_RUNTIME_WATCHER->stop;	513	};
271	$TICK_WATCHER->stop;	514
272	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
273	}	528	}
274		529
275	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
276		531
277	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		537
283	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
284		539
285	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
286		541
287	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
290		546
291	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
294	fast or be very important.	550	fast or be very important.
…		…
296	=cut	552	=cut
297		553
298	sub sync_job(&) {	554	sub sync_job(&) {
299	my ($job) = @_;	555	my ($job) = @_;
300		556
301	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
302	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
304		562
305	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	564
307	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
308		566
309	my $busy = 1;	567	my $busy = 1;
310	my @res;	568	my @res;
311		569
312	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	572	@res = eval { $job->() };
314	warn $@ if $@;	573	error $@ if $@;
315	undef $busy;	574	undef $busy;
316	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
317		576
318	while ($busy) {	577	while ($busy) {
319	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
320	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
321		588
322	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
323	} else {	590	} else {
324	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
325		592
…		…
345	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
346		613
347	$coro	614	$coro
348	}	615	}
349		616
350	sub write_runtime {	617	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		618
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
354	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.
355		623
356	my $value = $cf::RUNTIME + 90 + 10;	624	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		625
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub post_fork {
361	and return;	627	reset_signals;
		628	}
362		629
363	aio_fsync $fh	630	sub fork_call(&@) {
364	and return;	631	my ($cb, @args) = @_;
365		632
366	close $fh	633	# we seemingly have to make a local copy of the whole thing,
367	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
368		636
369	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
370	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
371		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
372	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 });
373	}	821	}
374		822
375	=back	823	=back
376		824
377	=cut	825	=cut
378		826
379	#############################################################################	827	#############################################################################
380		828
381	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
382		830
383	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
384	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")
385	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
386		834
387	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>
388	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
389	crossfire+).	837	Deliantra).
390		838
391	=over 4	839	=over 4
392		840
393	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
394		842
…		…
438	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
439		887
440	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
442		890
443	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
445		893
446	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
447		895
448	=over 4	896	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
558		1006
559	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1011
564	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
566		1014
567	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
572		1020
573	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1023
576	} elsif (ref $type) {	1024	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
578		1026
579	} else {	1027	} else {
580	shift @arg;	1028	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
582	}	1030	}
583	}	1031	}
584	}	1032	}
585		1033
586	sub _object_attach {	1034	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
597	}	1045	}
598		1046
599	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
600	} else {	1048	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1050	}
603		1051
604	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
605	}	1053	}
606		1054
…		…
608	if (ref $_[0]) {	1056	if (ref $_[0]) {
609	_object_attach @_;	1057	_object_attach @_;
610	} else {	1058	} else {
611	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
612	}	1060	}
		1061	_recalc_want;
613	};	1062	};
614		1063
615	# all those should be optimised	1064	# all those should be optimised
616	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1070	reattach ($obj);
622	} else {	1071	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
624	}	1073	}
		1074	_recalc_want;
625	};	1075	};
626		1076
627	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
629		1079
…		…
644	";	1094	";
645	die if $@;	1095	die if $@;
646	}	1096	}
647		1097
648	our $override;	1098	our $override;
649	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?
650		1100
651	sub override {	1101	sub override {
652	$override = 1;	1102	$override = 1;
653	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
654	}	1104	}
655		1105
656	sub do_invoke {	1106	sub do_invoke {
657	my $event = shift;	1107	my $event = shift;
658	my $callbacks = shift;	1108	my $callbacks = shift;
659		1109
660	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
661		1111
662	local $override;	1112	local $override;
663		1113
664	for (@$callbacks) {	1114	for (@$callbacks) {
665	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
666		1116
667	if ($@) {	1117	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1119	override;
671	}	1120	}
672		1121
673	return 1 if $override;	1122	return 1 if $override;
674	}	1123	}
675		1124
676	0	1125	0
677	}	1126	}
678		1127
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1129
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1131
683	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
684		1133
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1137
689	=back	1138	=back
690		1139
691	=cut	1140	=cut
692		1141
693	#############################################################################	1142	#############################################################################
694	# 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, $ob2
		1185	}
695		1186
696	sub reattach {	1187	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1189	my ($obj) = @_;
699		1190
		1191	# no longer needed after getting rid of delete_package?
700	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
701		1193
702	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
703		1195
704	@$registry = ();	1196	@$registry = ();
705		1197
…		…
710	for (@$attach) {	1202	for (@$attach) {
711	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
713	}	1205	}
714	} else {	1206	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1208	}
717	}	1209	}
718	}	1210	}
719		1211
720	cf::attachable->attach (	1212	cf::attachable->attach (
721	prio => -1000000,	1213	prio => -1000000,
722	on_instantiate => sub {	1214	on_instantiate => sub {
723	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
724		1216
725	$data = from_json $data;	1217	$data = decode_json $data;
726		1218
727	for (@$data) {	1219	for (@$data) {
728	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
729		1221
730	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1238	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
748		1240
749	sync_job {	1241	sync_job {
750	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
753		1247
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
758	close $fh;	1255	aio_close $fh;
759		1256
760	if (@$objs) {	1257	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
766	close $fh;	1266	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
768	}	1268	}
769	} else {	1269	} else {
770	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
771	}	1271	}
772		1272
773	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1277	} else {
775	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
776	}	1279	}
777	} else {	1280	} else {
778	aio_unlink $filename;	1281	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
780	}	1283	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1284	};
788	}	1285	}
789		1286
790	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
792		1289
…		…
797		1294
798	sub object_thawer_load {	1295	sub object_thawer_load {
799	my ($filename) = @_;	1296	my ($filename) = @_;
800		1297
801	my ($data, $av);	1298	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1299
806	(aio_load $filename, $data) >= 0	1300	(aio_load $filename, $data) >= 0
807	or return;	1301	or return;
808		1302
809	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
811	or return;	1305	or return;
		1306
812	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
813	}	1309	}
814		1310
		1311	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
817	return ($data, $av);	1316	($data, $av)
818	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
819		1324
820	#############################################################################	1325	#############################################################################
821	# command handling &c	1326	# command handling &c
822		1327
823	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1342	}
838		1343
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1345
841	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.
842		1351
843	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
844	called.	1353	called.
845		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
846	=cut	1366	=cut
847		1367
848	sub register_extcmd {	1368	sub register_extcmd {
849	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
850		1370
851	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
852	}	1372	}
853		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
854	cf::player->attach (	1382	cf::player->attach (
855	on_command => sub {	1383	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
857		1385
858	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
859	or return;	1387	or return;
860		1388
…		…
865	cf::override;	1393	cf::override;
866	},	1394	},
867	on_extcmd => sub {	1395	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
869		1397
870	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1399
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
878	} else {	1415	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1417	}
881		1418
882	cf::override;	1419	cf::override;
883	},	1420	},
884	);	1421	);
885		1422
		1423	# "readahead" all extensions
886	sub load_extension {	1424	sub cache_extensions {
887	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
888		1426
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1430	}
914	die $@;
915	}	1431	};
916		1432
917	push @EXTS, $pkg;	1433	$grp
918	}	1434	}
919		1435
920	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
921	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1443	next unless -r $path;
923	eval {	1444
924	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 $active;
		1507	}
925	1	1508	}
926	} or warn "$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	}
927	}	1519	};
928	}	1520	}
929		1521
930	#############################################################################	1522	#############################################################################
931		1523
		1524	=back
		1525
932	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
933		1527
934	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
935		1529
936	=cut	1530	=cut
937		1531
938	package cf::player;	1532	package cf::player;
939		1533
…		…
941		1535
942	=head3 cf::player	1536	=head3 cf::player
943		1537
944	=over 4	1538	=over 4
945		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
946	=item cf::player::find $login	1554	=item cf::player::find $login
947		1555
948	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
949		1557
950	=cut	1558	=cut
951		1559
952	sub playerdir($) {	1560	sub playerdir($) {
953	cf::localdir	1561	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1563	}
959		1564
960	sub path($) {	1565	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1567
963	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
964	}	1569	}
965		1570
966	sub find_active($) {	1571	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
971		1576
972	sub exists($) {	1577	sub exists($) {
973	my ($login) = @_;	1578	my ($login) = @_;
974		1579
975	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
977	}	1582	}
978		1583
979	sub find($) {	1584	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1586	my $login = $_[0];
982		1587
983	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
984		1589
985	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
989	}	1607	}
990	}	1608	}
991	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
992		1623
993	sub save($) {	1624	sub save($) {
994	my ($pl) = @_;	1625	my ($pl) = @_;
995		1626
996	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1002		1633
1003	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1007	Coro::cede;	1643	cf::cede_to_tick;
1008	}	1644	}
1009		1645
1010	sub new($) {	1646	sub new($) {
1011	my ($login) = @_;	1647	my ($login) = @_;
1012		1648
…		…
1018	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1019		1655
1020	$self	1656	$self
1021	}	1657	}
1022		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
1023	=item $pl->quit_character	1669	=item $pl->quit_character
1024		1670
1025	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1027		1673
1028	=cut	1674	=cut
1029		1675
1030	sub quit_character {	1676	sub quit_character {
1031	my ($pl) = @_;	1677	my ($pl) = @_;
1032		1678
		1679	my $name = $pl->ob->name;
		1680
1033	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1034	$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
1035		1683
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1039	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1040		1692
1041	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1719	}
1048		1720
1049	=item cf::player::list_logins	1721	=item cf::player::list_logins
1050		1722
1051	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
1052	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1053		1725
1054	=cut	1726	=cut
1055		1727
1056	sub list_logins {	1728	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1730	or return [];
1059		1731
1060	my @logins;	1732	my @logins;
1061		1733
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1066		1744
1067	utf8::decode $login;	1745	utf8::decode $login;
1068	push @logins, $login;	1746	push @logins, $login;
1069	}	1747	}
1070		1748
1071	\@logins	1749	\@logins
1072	}	1750	}
1073		1751
1074	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1075		1755
1076	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1077	player. May block.	1757	player. May block.
1078		1758
1079	=cut	1759	=cut
…		…
1097	}	1777	}
1098		1778
1099	\@paths	1779	\@paths
1100	}	1780	}
1101		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1103		1787
1104	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1105		1789
1106	=cut	1790	=cut
1107		1791
1108	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1110		1794
1111	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1796	}
1115		1797
1116	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	}
1117		1840
1118	=back	1841	=back
1119
1120		1842
1121	=head3 cf::map	1843	=head3 cf::map
1122		1844
1123	=over 4	1845	=over 4
1124		1846
…		…
1136	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1138		1860
1139	sub generate_random_map {	1861	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1867	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1164		1889
1165	sub register {	1890	sub register {
1166	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1892	my $pkg = caller;
1168		1893
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1895
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1897	}
1174		1898
1175	# also paths starting with '/'	1899	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1901
1178	sub thawer_merge {	1902	sub thawer_merge {
1179	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1180		1904
1181	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1182	local $self->{path};	1906	local $self->{path};
1183	local $self->{load_path};	1907	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1908
1187	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1188	}	1910	}
1189		1911
1190	sub normalise {	1912	sub normalise {
1191	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1192		1914
1193	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1194		1916
1195	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1196		1918
1197	# map plan:	1919	# map plan:
1198	#	1920	#
…		…
1213	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	1936	$path = "$base/$path";
1215	}	1937	}
1216		1938
1217	for ($path) {	1939	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1221	}	1942	}
1222		1943
1223	$path	1944	$path
…		…
1237	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1238	return $self;	1959	return $self;
1239	}	1960	}
1240	}	1961	}
1241		1962
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1964	()
1244	}	1965	}
1245		1966
1246	sub init {	1967	sub init {
1247	my ($self) = @_;	1968	my ($self) = @_;
…		…
1262		1983
1263	# the original (read-only) location	1984	# the original (read-only) location
1264	sub load_path {	1985	sub load_path {
1265	my ($self) = @_;	1986	my ($self) = @_;
1266		1987
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1268	}	1989	}
1269		1990
1270	# the temporary/swap location	1991	# the temporary/swap location
1271	sub save_path {	1992	sub save_path {
1272	my ($self) = @_;	1993	my ($self) = @_;
1273		1994
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1276	}	1997	}
1277		1998
1278	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1279	sub uniq_path {	2000	sub uniq_path {
1280	my ($self) = @_;	2001	my ($self) = @_;
1281		2002
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1284	}	2005	}
1285		2006
1286	# and all this just because we cannot iterate over	2007	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2008	my ($self) = @_;
1290		2009
1291	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1293	}	2013	}
1294		2014
1295	sub unlink_save {	2015	sub unlink_save {
1296	my ($self) = @_;	2016	my ($self) = @_;
1297		2017
1298	utf8::encode (my $save = $self->save_path);	2018	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2019	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2021	}
1307		2022
1308	sub load_header_from($) {	2023	sub load_header_from($) {
1309	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1310		2025
1311	utf8::encode $path;	2026	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1317		2035
1318	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1319		2037
1320	1	2038	1
1321	}	2039	}
…		…
1360	$self->load_header_orig	2078	$self->load_header_orig
1361	or return;	2079	or return;
1362	$self->prepare_orig;	2080	$self->prepare_orig;
1363	}	2081	}
1364		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
		2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
1365	1	2089	1
1366	}	2090	}
1367		2091
1368	sub find;	2092	sub find;
1369	sub find {	2093	sub find {
1370	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1371		2095
		2096	cf::cede_to_tick;
		2097
1372	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1373		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2102
1376	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1379	or return;	2105	or return;
1380		2106
1381	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1382		2108
1383	$map->load_header	2109	$map->load_header
1384	or return;	2110	or return;
1385		2111
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1389	$map->reset;	2117	$map->reset;
1390	undef $guard;
1391	return find $path;	2118	return find $path;
1392	}	2119	}
1393		2120
1394	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1395	}	2122	}
1396	}	2123	}
1397		2124
1398	sub pre_load { }	2125	sub pre_load { }
1399	sub post_load { }	2126	#sub post_load { } # XS
1400		2127
1401	sub load {	2128	sub load {
1402	my ($self) = @_;	2129	my ($self) = @_;
1403		2130
1404	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1405		2132
1406	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1408		2137
		2138	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2140
1411	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1412		2142
1413	$self->alloc;	2143	$self->alloc;
1414		2144
1415	$self->pre_load;	2145	$self->pre_load;
		2146	cf::cede_to_tick;
1416		2147
1417	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1418	or return;	2151	or return;
1419		2152
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1421	if delete $self->{load_original};	2154	if delete $self->{load_original};
1422		2155
1423	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2157	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2160	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1428	}	2164	}
1429	}	2165	}
1430		2166
1431	Coro::cede;	2167	$f->resolve_delayed_derefs;
1432		2168
		2169	cf::cede_to_tick;
1433	# now do the right thing for maps	2170	# now do the right thing for maps
1434	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2173	unless $self->difficulty;
1444	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1445	$self->activate;	2181	$self->activate;
		2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2188	}
1447		2189
1448	$self->post_load;	2190	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2191	}
1452		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2196	sub customise_for {
1454	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1455		2198
1456	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2200	if $self->per_player;
1458		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
1459	$self	2205	$self
1460	}	2206	}
1461		2207
1462	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2209	sub load_neighbours {
1464	my ($map) = @_;	2210	my ($map) = @_;
1465		2211
1466	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1467		2213
1468	for (0 .. 3) {	2214	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1470	or next;	2216	or next;
1471	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1472	or next;	2218	or next;
1473	$neigh->load;	2219	$neigh->load;
1474		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2225	}
1478		2226
1479	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1481	or next;	2230	or next;
1482	$neigh->load;	2231	$neigh->load;
1483	}	2232	}
1484	}	2233	}
1485		2234
1486	sub find_sync {	2235	sub find_sync {
1487	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1488		2237
1489	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1490	}	2242	}
1491		2243
1492	sub do_load_sync {	2244	sub do_load_sync {
1493	my ($map) = @_;	2245	my ($map) = @_;
1494		2246
1495	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1496	}	2251	}
1497		2252
1498	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1500		2255
1501	sub find_async {	2256	sub find_async {
1502	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1503		2258
1504	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1505		2260
1506	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2263	}
1509		2264
1510	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1511	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1512	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2272	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2273	$map->load if $v;
		2274	}
1517		2275
1518	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1519	}	2277	}
1520	}	2278	}
1521	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1522	};	2280	};
1523	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1524		2282
1525	()	2283	()
1526	}	2284	}
1527		2285
		2286	# common code, used by both ->save and ->swapout
1528	sub save {	2287	sub _save {
1529	my ($self) = @_;	2288	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2289
1533	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1534		2291
1535	return unless $self->dirty;	2292	return unless $self->dirty;
1536		2293
…		…
1542	return if $self->{deny_save};	2299	return if $self->{deny_save};
1543		2300
1544	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1545		2302
1546	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1548	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1549		2309
1550	if ($uniq) {	2310	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2313	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2315	}
1556	}	2316	}
1557		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1558	sub swap_out {	2326	sub swap_out {
1559	my ($self) = @_;	2327	my ($self) = @_;
1560		2328
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1566	return if $self->players;	2333	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1570	$self->clear;	2344	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2345	}
1573		2346
1574	sub reset_at {	2347	sub reset_at {
1575	my ($self) = @_;	2348	my ($self) = @_;
1576		2349
1577	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1580		2352
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2355
…		…
1594	my ($self) = @_;	2366	my ($self) = @_;
1595		2367
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2369
1598	return if $self->players;	2370	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2371
1601	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
		2373
		2374	$self->in_memory (cf::MAP_SWAPPED);
		2375
		2376	# need to save uniques path
		2377	unless ($self->{deny_save}) {
		2378	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2379
		2380	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2381	if $uniq;
		2382	}
1602		2383
1603	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1604		2385
1605	$self->in_memory (cf::MAP_SWAPPED);	2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2388	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2389
1610	$self->unlink_save;	2390	$self->unlink_save;
1611	$self->destroy;	2391	$self->destroy;
1612	}	2392	}
1613		2393
1614	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1615		2395
1616	sub nuke {	2396	sub nuke {
1617	my ($self) = @_;	2397	my ($self) = @_;
1618		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1619	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1620		2403
1621	$self->unlink_save;	2404	$self->unlink_save;
1622		2405
1623	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2411
1629	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1630		2414
1631	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
		2416	}
		2417
		2418	=item $maps = cf::map::tmp_maps
		2419
		2420	Returns an arrayref with all map paths of currently instantiated and saved
		2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
		2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1632	}	2452	}
1633		2453
1634	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1635		2455
1636	Returns an arrayref of paths of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2457	instantiated unique items. May block.
1638		2458
1639	=cut	2459	=cut
1640		2460
1641	sub unique_maps() {	2461	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2462	[
1643	or return;	2463	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2464	utf8::decode $_;
1649	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2467	? ()
1652	push @paths, cf::map::normalise $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2470	]
1654
1655	\@paths
1656	}	2471	}
1657		2472
1658	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1659		2504
1660	=back	2505	=back
1661		2506
1662	=head3 cf::object	2507	=head3 cf::object
1663		2508
…		…
1667		2512
1668	=over 4	2513	=over 4
1669		2514
1670	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1671		2516
1672	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1673		2519
1674	=cut	2520	=cut
1675		2521
1676	sub inv_recursive_;	2522	sub inv_recursive_;
1677	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1680		2526
1681	sub inv_recursive {	2527	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1683	}	2529	}
1684		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1685	package cf;	2559	package cf;
1686		2560
1687	=back	2561	=back
1688		2562
1689	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1698		2572
1699	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1700		2588
1701	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2590	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1706		2594
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2596
1709	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1711	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1714	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1715	}	2622	}
1716		2623
1717	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1718		2625
1719	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1732		2639
1733	=item $player_object->enter_link	2640	=item $player_object->enter_link
1734		2641
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2643
1737	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
1739		2648
1740	Will never block.	2649	Will never block.
1741		2650
1742	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1743		2652
…		…
1763	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2673	my ($self) = @_;
1765		2674
1766	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1767		2676
		2677	++$self->{_link_recursion};
		2678
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2680
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1772		2683
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2685	}
1775		2686
1776	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1778		2691
1779	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1780		2693
1781	unless ($map) {	2694	unless ($map) {
1782	# restore original map position	2695	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1795		2708
1796	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1799		2712
1800	$map->load;	2713	$map->load;
1801	$map->load_diag;	2714	$map->load_neighbours;
1802		2715
1803	return unless $self->contr->active;	2716	return unless $self->contr->active;
		2717
		2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2719	if ($self->enter_map ($map, $x, $y)) {
		2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2723	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2724	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2725
1822	# try to abort aborted map switching on player login :)	2726	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2727
1840	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1842	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1843		2742
1844	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2754
1847	$self->enter_link;	2755	$self->enter_link;
1848		2756
1849	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
1850	my $map = eval {	2779	my $map = eval {
1851	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
		2785	} else {
		2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
		2788
1853	$map	2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2795	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1858	})->prio (1);	2803	})->prio (1);
1859	}	2804	}
1860		2805
1861	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1862		2807
…		…
1882	}	2827	}
1883		2828
1884	sub prepare_random_map {	2829	sub prepare_random_map {
1885	my ($exit) = @_;	2830	my ($exit) = @_;
1886		2831
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2834	# that depends on the exit object
1892		2835
1893	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2838	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
1900	}	2845	}
1901		2846
1902	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
1903		2848
1904	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
1907		2852
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2855	undef $fh;
1911	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
1912		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
1915	}	2864	}
1916	}	2865	}
1917		2866
1918	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
1920		2869
1921	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
1922		2871
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2872	$self->enter_link;
1933		2873
1934	(async {	2874	(async {
1935	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
1936	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
1937	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
1938		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
1939	1;	2898	1
1940	}) {	2899	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2904
1946	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2906	$self->leave_link;
1948	}	2907	}
1949	})->prio (1);	2908	})->prio (1);
1950	}	2909	}
1951		2910
…		…
1962		2921
1963	sub cf::client::send_drawinfo {	2922	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2923	my ($self, $text, $flags) = @_;
1965		2924
1966	utf8::encode $text;	2925	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2927	}
1969		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
		3116	=item $client->ext_msg ($type, @msg)
		3117
		3118	Sends an ext event to the client.
		3119
		3120	=cut
		3121
		3122	sub cf::client::ext_msg($$@) {
		3123	my ($self, $type, @msg) = @_;
		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
		3128	push @msg, msgtype => "event_$type";
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
		3149	}
1970		3150
1971	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
1972		3152
1973	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3156
1977	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3158	become reliable at some point in the future.
1979		3159
1980	=cut	3160	=cut
1981		3161
1982	sub cf::client::query {	3162	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3171	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3173
1994	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
1996	}	3178	}
1997		3179
1998	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
1999	on_reply => sub {	3186	on_reply => sub {
2000	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2001		3188
2002	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2003	# get handled first	3190	# get handled first
…		…
2015	} else {	3202	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3204	}
2018	}	3205	}
2019	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2020	);	3233	);
2021		3234
2022	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2023		3236
2024	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3253
2041	$coro	3254	$coro
2042	}	3255	}
2043		3256
2044	cf::client->attach (	3257	cf::client->attach (
2045	on_destroy => sub {	3258	on_client_destroy => sub {
2046	my ($ns) = @_;	3259	my ($ns) = @_;
2047		3260
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3262	},
2050	);	3263	);
…		…
2065	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2067		3280
2068	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2069		3282
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2071		3288
2072	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2073		3290
2074	=pod	3291	=pod
2075		3292
2076	The following fucntions and emthods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2077		3294
2078	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2079	cf::object::player player	3300	cf::object::player
2080	cf::player peaceful	3301	player
2081	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2082		3308
2083	=cut	3309	=cut
2084		3310
2085	for (	3311	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2090	) {	3318	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3321	for @funs;
2095	}	3322	}
2096		3323
…		…
2111		3338
2112	my $qcode = $code;	3339	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2115		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2116	local $_;	3346	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3347
2119	my $eval =	3348	my $eval =
2120	"do {\n"	3349	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3352	. $code
2124	. "\n}"	3353	. "\n}"
2125	;	3354	;
2126		3355
		3356	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2130		3365
2131	if ($@) {	3366	if ($@) {
2132	warn "$@";	3367	warn "$@",
2133	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2135	}	3370	}
2136		3371
2137	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2138	}	3373	}
2139		3374
…		…
2153	=cut	3388	=cut
2154		3389
2155	sub register_script_function {	3390	sub register_script_function {
2156	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2157		3392
2158	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2160	}	3395	}
2161		3396
2162	=back	3397	=back
2163		3398
2164	=cut	3399	=cut
2165		3400
2166	#############################################################################	3401	#############################################################################
		3402	# the server's init and main functions
2167		3403
2168	=head2 EXTENSION DATABASE SUPPORT	3404	sub load_facedata($) {
		3405	my ($path) = @_;
2169		3406
2170	Crossfire maintains a very simple database for extension use. It can	3407	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3408	# for this (global event?)
2172	excludes objects.	3409	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3410
2174	The parameter C<$family> should best start with the name of the extension	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3412
2177	=over 4	3413	trace "loading facedata from $path\n";
2178		3414
2179	=item $hashref = cf::db_get $family	3415	0 < aio_load $path, my $facedata
		3416	or die "$path: $!";
2180		3417
2181	Return a hashref for use by the extension C<$family>, which can be	3418	$facedata = Coro::Storable::thaw $facedata;
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184		3419
2185	=item $value = cf::db_get $family => $key	3420	$facedata->{version} == 2
		3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2186		3422
2187	Returns a single value from the database	3423	# patch in the exptable
2188		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2189	=item cf::db_put $family => $hashref	3425	$facedata->{resource}{"res/exp_table"} = {
2190		3426	type => FT_RSRC,
2191	Stores the given family hashref into the database. Updates are delayed, if	3427	data => $exp_table,
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3428	hash => (Digest::MD5::md5 $exp_table),
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3429	};
		3430	cf::cede_to_tick;
2217		3431
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3432	{
		3433	my $faces = $facedata->{faceinfo};
2229		3434
2230	my $dirty;	3435	while (my ($face, $info) = each %$faces) {
		3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3437
2232	sub db_sync() {	3438	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3439	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2235	}	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2236		3442
2237	my $idle = Event->idle (	3443	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3444	}
2271	);
2272	}
2273		3445
2274	#############################################################################	3446	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3447	next unless $info->{smooth};
2276		3448
2277	sub cfg_load {	3449	my $idx = cf::face::find $face
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3450	or next;
2279	or return;
2280		3451
2281	local $/;	3452	if (my $smooth = cf::face::find $info->{smooth}) {
2282	*CFG = YAML::Syck::Load <$fh>;	3453	cf::face::set_smooth $idx, $smooth;
		3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3455	} else {
		3456	error "smooth face '$info->{smooth}' not found for face '$face'";
		3457	}
2283		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	{
		3464	my $anims = $facedata->{animinfo};
		3465
		3466	while (my ($anim, $info) = each %$anims) {
		3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3468	cf::cede_to_tick;
		3469	}
		3470
		3471	cf::anim::invalidate_all; # d'oh
		3472	}
		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
		3493	1
		3494	}
		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
		3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
		3519	load_resource_file "$MAPDIR/regions"
		3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
		3526	}
		3527
		3528	sub reload_facedata {
		3529	load_facedata "$DATADIR/facedata"
		3530	or die "unable to load facedata\n";
		3531	}
		3532
		3533	sub reload_archetypes {
		3534	load_resource_file "$DATADIR/archetypes"
		3535	or die "unable to load archetypes\n";
		3536	}
		3537
		3538	sub reload_treasures {
		3539	load_resource_file "$DATADIR/treasures"
		3540	or die "unable to load treasurelists\n";
		3541	}
		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
		3566	sub reload_resources {
		3567	trace "reloading resource files...\n";
		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
		3583	0 < aio_load "$CONFDIR/config", my $config
		3584	or die "$CONFDIR/config: $!";
		3585
		3586	utf8::decode $config;
		3587	*CFG = yaml_load $config;
		3588
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2285		3590
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2288		3593
2289	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2293	};	3598	};
2294	warn $@ if $@;	3599	warn $@ if $@;
2295	}	3600	}
2296	}	3601	}
2297		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2298	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2299	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3644	(async {
2303	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2305	};	3648	};
2306		3649
2307	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
2308	db_load;	3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
		3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2309	load_extensions;	3673	load_extensions;
2310		3674
2311	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2312	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2313	}	3693	}
2314		3694
2315	#############################################################################	3695	#############################################################################
2316	# initialisation and cleanup	3696	# initialisation and cleanup
2317		3697
2318	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2319	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2328	},
2329	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2330	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2331	}	3794	}
2332		3795
2333	sub emergency_save() {	3796	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2335		3798
2336	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2337		3805
2338	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2339	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2340	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2341	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2343	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3817	$pl->save;
2347	}	3818	}
2348	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2349		3820
2350	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2351	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2352	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3826	$map->valid or next;
2354	$map->save;	3827	$map->save;
2355	}	3828	}
2356	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2357	};	3859	};
2358		3860
2359	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2360	}	3862	}
2361		3863
		3864	sub post_cleanup {
		3865	my ($make_core) = @_;
		3866
		3867	IO::AIO::flush;
		3868
		3869	error Carp::longmess "post_cleanup backtrace"
		3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
		3899	}
		3900
2362	sub reload() {	3901	sub do_reload_perl() {
2363	# can/must only be called in main	3902	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2365	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2366	return;	3905	return;
2367	}	3906	}
2368		3907
2369	warn "reloading...";	3908	return if $RELOAD++;
2370		3909
2371	warn "cancelling server ticker";	3910	my $t1 = AE::time;
2372	$TICK_WATCHER->cancel;
2373		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
		3918	cf::sync_job {
2374	cf::emergency_save;	3919	#cf::emergency_save;
2375		3920
2376	eval {
2377	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386
2387	warn "flushing outstanding aio requests";
2388	for (;;) {
2389	IO::AIO::flush;
2390	Coro::cede;
2391	last unless IO::AIO::nreqs;
2392	warn "iterate...";
2393	}
2394
2395	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3923	%EXT_CORO = ();
2398		3924
2399	warn "removing commands";	3925	trace "perl_reload: removing commands";
2400	%COMMAND = ();	3926	%COMMAND = ();
2401		3927
2402	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2403	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2404		3931
2405	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2408		3935
2409	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2410	eval {	3937	eval {
2411	$cb->($pkg);	3938	$cb->($pkg);
2412	1	3939	1
2413	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2414	}	3945	}
2415		3946
2416	warn "... nuking $pkg";
2417	Symbol::delete_package $pkg;
2418	}
2419
2420	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2421	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2422	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2423		3950
2424	warn "... unloading $k";	3951	trace "... unloading $k";
2425	delete $INC{$k};	3952	delete $INC{$k};
2426		3953
2427	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2428	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2429		3956
2430	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2431	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2432	}	3962	}
2433		3963
2434	Symbol::delete_package $k;
2435	}
2436
2437	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2438	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3967
2441	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
		3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2443		3971
2444	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3973	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2447		3975
2448	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2449		3977
2450	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2451	require cf;	3979	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2453		3981
2454	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2455	cf::cfg_load;	3983	cf::reload_config;
2456	cf::db_load;
2457		3984
2458	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2459	cf::load_extensions;	3986	cf::load_extensions;
2460		3987
		3988	if ($REATTACH_ON_RELOAD) {
2461	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2462	_global_reattach;	3990	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
		3993	trace "perl_reload: reattaching attachments to players";
		3994	reattach $_ for values %PLAYER;
		3995	}
2465		3996
2466	warn "restarting server ticker";	3997	cf::_post_init 1;
2467		3998
2468	$TICK_WATCHER->start;	3999	trace "perl_reload: leaving sync_job";
		4000
		4001	1
		4002	} or do {
		4003	error $@;
		4004	cf::cleanup "perl_reload: error, exiting.";
		4005	};
		4006
		4007	--$RELOAD;
		4008	}
		4009
		4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
		4012	};
		4013
		4014	our $RELOAD_WATCHER; # used only during reload
		4015
		4016	sub reload_perl() {
		4017	# doing reload synchronously and two reloads happen back-to-back,
		4018	# coro crashes during coro_state_free->destroy here.
		4019
		4020	$RELOAD_WATCHER ||= cf::async {
		4021	Coro::AIO::aio_wait cache_extensions;
		4022
		4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4024	do_reload_perl;
		4025	undef $RELOAD_WATCHER;
		4026	};
2469	};	4027	};
2470		4028	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		4029
2482	register_command "reload" => sub {	4030	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2484		4032
2485	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
2487		4035	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	4036	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	4037	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	4038	};
2500	}	4039	}
2501	};	4040	};
2502		4041
2503	unshift @INC, $LIBDIR;	4042	#############################################################################
2504		4043
2505	my $bug_warning = 0;	4044	my $bug_warning = 0;
2506		4045
2507	$TICK_WATCHER = Event->timer (	4046	our @WAIT_FOR_TICK;
2508	reentrant => 0,	4047	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	4048
2510	prio => 0,	4049	sub wait_for_tick() {
2511	at => $NEXT_TICK || $TICK,	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	4051
2513	cb => sub {	4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub wait_for_tick_begin() {
		4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4059
		4060	my $signal = new Coro::Signal;
		4061	push @WAIT_FOR_TICK_BEGIN, $signal;
		4062	$signal->wait;
		4063	}
		4064
		4065	sub tick {
2514	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2517	return;	4069	return;
2518	}	4070	}
2519		4071
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		4073
2526	$WAIT_FOR_TICK->broadcast;	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528		4075
2529	Event::sweep;	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2530	Coro::cede_notself;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4078	Coro::async_pool {
		4079	$Coro::current->{desc} = "runtime saver";
		4080	write_runtime_sync
		4081	or error "ERROR: unable to write runtime file: $!";
		4082	};
		4083	}
		4084
		4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4086	$sig->send;
		4087	}
		4088	while (my $sig = shift @WAIT_FOR_TICK) {
		4089	$sig->send;
		4090	}
		4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
2531		4100	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	4101	}
2541	);	4102	}
2542		4103
		4104	{
		4105	# configure BDB
		4106
		4107	BDB::min_parallel 16;
		4108	BDB::max_poll_reqs $TICK * 0.1;
		4109	$AnyEvent::BDB::WATCHER->priority (1);
		4110
		4111	unless ($DB_ENV) {
		4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4118
		4119	cf::sync_job {
		4120	eval {
		4121	BDB::db_env_open
		4122	$DB_ENV,
		4123	$BDBDIR,
		4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4126	0666;
		4127
		4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4129	};
		4130
		4131	cf::cleanup "db_env_open(db): $@" if $@;
		4132	};
		4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
		4144	}
		4145
		4146	{
		4147	# configure IO::AIO
		4148
		4149	IO::AIO::min_parallel 8;
2543	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
		4151	undef $AnyEvent::AIO::WATCHER;
		4152	}
2544		4153
2545	undef $Coro::AIO::WATCHER;	4154	our $_log_backtrace;
2546	$AIO_POLL_WATCHER = Event->io (	4155	our $_log_backtrace_last;
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554		4156
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	4157	sub _log_backtrace {
2556	reentrant => 0,	4158	my ($msg, @addr) = @_;
2557	data => WF_AUTOCANCEL,	4159
2558	after => 1,	4160	$msg =~ s/\n$//;
2559	interval => 10,	4161
2560	prio => 6, # keep it lowest so it acts like a watchdog	4162	if ($_log_backtrace_last eq $msg) {
2561	cb => Coro::unblock_sub {	4163	LOG llevInfo, "[ABT] $msg\n";
2562	write_runtime	4164	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2563	or warn "ERROR: unable to write runtime file: $!";	4165	# limit the # of concurrent backtraces
		4166	} elsif ($_log_backtrace < 2) {
		4167	$_log_backtrace_last = $msg;
		4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2564	},	4198	}
2565	);	4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2566		4204
2567	END { cf::emergency_save }	4205	END { cf::emergency_save }
2568		4206
2569	1	4207	1
2570		4208

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