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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	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::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		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.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	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	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		300
194	# 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
195	# within the Safe compartment.	302	# within the Safe compartment.
196	for my $pkg (qw(	303	for my $pkg (qw(
197	cf::global cf::attachable	304	cf::global cf::attachable
198	cf::object cf::object::player	305	cf::object cf::object::player
199	cf::client cf::player	306	cf::client cf::player
200	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
201	cf::map cf::party cf::region	309	cf::party cf::region
202	)) {	310	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	312	}
206		313
207	$Event::DIED = sub {	314	$EV::DIED = sub {
208	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
209	};	316	};
		317
		318	#############################################################################
210		319
211	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
212		321
213	=over 4	322	=over 4
214		323
…		…
233	$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;
234	$d	343	$d
235	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
236	}	345	}
237		346
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
241		348
242	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
243		350
244	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
245		352
246	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
247		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		403	}
		404
248	=item cf::lock_wait $string	405	=item cf::lock_wait $string
249		406
250	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
251		408
252	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
253		410
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
257	returned.	414	returned.
258		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
259	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
260	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
261		421
262	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
263		423
264	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
265		425
266	=cut	426	=cut
267		427
268	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
269		429
270	sub lock_wait($) {	430	sub lock_wait($) {
271	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	432	}
279		433
280	sub lock_acquire($) {	434	sub lock_acquire($) {
281	my ($key) = @_;	435	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	436	}
293		437
294	sub lock_active($) {	438	sub lock_active($) {
295	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	440	}
299		441
300	sub freeze_mainloop {	442	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
302		444
303	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	446	}
		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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
305	};	512	}
306	$TICK_WATCHER->stop;	513	};
307	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
308	}	528	}
309		529
310	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
311		531
312	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		537
318	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
319		539
320	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
321		541
322	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
325		546
326	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
329	fast or be very important.	550	fast or be very important.
…		…
331	=cut	552	=cut
332		553
333	sub sync_job(&) {	554	sub sync_job(&) {
334	my ($job) = @_;	555	my ($job) = @_;
335		556
336	if ($Coro::current == $Coro::main) {	557	if (in_main) {
337	my $time = Event::time;	558	my $time = AE::time;
338		559
339	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
341		562
342	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	564
344	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
345		566
346	my $busy = 1;	567	my $busy = 1;
347	my @res;	568	my @res;
348		569
349	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	572	@res = eval { $job->() };
351	warn $@ if $@;	573	error $@ if $@;
352	undef $busy;	574	undef $busy;
353	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
354		576
355	while ($busy) {	577	while ($busy) {
356	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
357	}	582	}
		583	}
358		584
359	$time = Event::time - $time;	585	my $time = AE::time - $time;
360		586
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
365		588
366	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
367	} else {	590	} else {
368	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
369		592
…		…
389	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
390		613
391	$coro	614	$coro
392	}	615	}
393		616
394	sub write_runtime {	617	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		618
397	# first touch the runtime file to show we are still running:	619	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		623
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	624	=cut
401	utime undef, undef, $fh;	625
		626	sub post_fork {
		627	reset_signals;
		628	}
		629
		630	sub fork_call(&@) {
		631	my ($cb, @args) = @_;
		632
		633	# we seemingly have to make a local copy of the whole thing,
		634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		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 $!;
402	}	713	};
		714	cf::cleanup "db_open(db): $@" if $@;
403		715
404	my $guard = cf::lock_acquire "write_runtime";	716	$db
		717	}
405		718
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	719	our $DB;
407	or return;
408		720
409	my $value = $cf::RUNTIME + 90 + 10;	721	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	722	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	723	}
412		724
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	725	sub db_get($$) {
414	and return;	726	my $key = "$_[0]/$_[1]";
415		727
416	# always fsync - this file is important	728	cf::error "db_get called from main context"
417	aio_fsync $fh	729	if $Coro::current == $Coro::main;
418	and return;
419		730
420	# touch it again to show we are up-to-date	731	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		732
423	close $fh	733	$! ? ()
424	or return;	734	: $data
		735	}
425		736
426	aio_rename "$runtime~", $runtime	737	sub db_put($$$) {
427	and return;	738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
428		741
429	warn "runtime file written.\n";#d#	742	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	807	}
		808
		809	db_get cache => "$id/data"
432	}	810	}
433		811
434	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
435		813
436	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
437		815
438	=cut	816	=cut
439		817
440	sub datalog($@) {	818	sub datalog($@) {
441	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	821	}
444		822
445	=back	823	=back
446		824
447	=cut	825	=cut
448		826
449	#############################################################################	827	#############################################################################
450		828
451	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
452		830
453	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
454	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")
455	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
456		834
457	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>
458	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
459	crossfire+).	837	Deliantra).
460		838
461	=over 4	839	=over 4
462		840
463	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
464		842
…		…
508	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
509		887
510	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
512		890
513	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		893
516	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
517		895
518	=over 4	896	=over 4
…		…
642		1020
643	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1023
646	} elsif (ref $type) {	1024	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
648		1026
649	} else {	1027	} else {
650	shift @arg;	1028	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
652	}	1030	}
653	}	1031	}
654	}	1032	}
655		1033
656	sub _object_attach {	1034	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
667	}	1045	}
668		1046
669	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
670	} else {	1048	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1050	}
673		1051
674	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
675	}	1053	}
676		1054
…		…
716	";	1094	";
717	die if $@;	1095	die if $@;
718	}	1096	}
719		1097
720	our $override;	1098	our $override;
721	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?
722		1100
723	sub override {	1101	sub override {
724	$override = 1;	1102	$override = 1;
725	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
726	}	1104	}
727		1105
728	sub do_invoke {	1106	sub do_invoke {
729	my $event = shift;	1107	my $event = shift;
730	my $callbacks = shift;	1108	my $callbacks = shift;
731		1109
732	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
733		1111
734	local $override;	1112	local $override;
735		1113
736	for (@$callbacks) {	1114	for (@$callbacks) {
737	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
738		1116
739	if ($@) {	1117	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1119	override;
743	}	1120	}
744		1121
745	return 1 if $override;	1122	return 1 if $override;
746	}	1123	}
747		1124
748	0	1125	0
749	}	1126	}
750		1127
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1129
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1131
755	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
756		1133
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1137
761	=back	1138	=back
762		1139
763	=cut	1140	=cut
764		1141
765	#############################################################################	1142	#############################################################################
766	# 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, $ob2
		1185	}
767		1186
768	sub reattach {	1187	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1189	my ($obj) = @_;
771		1190
		1191	# no longer needed after getting rid of delete_package?
772	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
773		1193
774	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
775		1195
776	@$registry = ();	1196	@$registry = ();
777		1197
…		…
782	for (@$attach) {	1202	for (@$attach) {
783	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
785	}	1205	}
786	} else {	1206	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1208	}
789	}	1209	}
790	}	1210	}
791		1211
792	cf::attachable->attach (	1212	cf::attachable->attach (
793	prio => -1000000,	1213	prio => -1000000,
794	on_instantiate => sub {	1214	on_instantiate => sub {
795	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
796		1216
797	$data = from_json $data;	1217	$data = decode_json $data;
798		1218
799	for (@$data) {	1219	for (@$data) {
800	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
801		1221
802	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1238	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
820		1240
821	sync_job {	1241	sync_job {
822	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
825		1247
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
830	close $fh;	1255	aio_close $fh;
831		1256
832	if (@$objs) {	1257	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
838	close $fh;	1266	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
840	}	1268	}
841	} else {	1269	} else {
842	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
843	}	1271	}
844		1272
845	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1277	} else {
847	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
848	}	1279	}
849	} else {	1280	} else {
850	aio_unlink $filename;	1281	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
852	}	1283	}
853	}	1284	};
854	}	1285	}
855		1286
856	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
858		1289
…		…
870	or return;	1301	or return;
871		1302
872	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
874	or return;	1305	or return;
		1306
875	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
876	}	1309	}
877		1310
		1311	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
880	return ($data, $av);	1316	($data, $av)
881	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
882		1324
883	#############################################################################	1325	#############################################################################
884	# command handling &c	1326	# command handling &c
885		1327
886	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1342	}
901		1343
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1345
904	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.
905		1351
906	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
907	called.	1353	called.
908		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
909	=cut	1366	=cut
910		1367
911	sub register_extcmd {	1368	sub register_extcmd {
912	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
913		1370
914	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
915	}	1372	}
916		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
917	cf::player->attach (	1382	cf::player->attach (
918	on_command => sub {	1383	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
920		1385
921	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
922	or return;	1387	or return;
923		1388
…		…
928	cf::override;	1393	cf::override;
929	},	1394	},
930	on_extcmd => sub {	1395	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
932		1397
933	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1399
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
941	} else {	1415	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1417	}
944		1418
945	cf::override;	1419	cf::override;
946	},	1420	},
947	);	1421	);
948		1422
		1423	# "readahead" all extensions
949	sub load_extension {	1424	sub cache_extensions {
950	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
951		1426
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1430	}
977	die $@;
978	}	1431	};
979		1432
980	push @EXTS, $pkg;	1433	$grp
981	}	1434	}
982		1435
983	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
984	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1443	next unless -r $path;
986	eval {	1444
987	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 $active;
		1507	}
988	1	1508	}
989	} or warn "$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	}
990	}	1519	};
991	}	1520	}
992		1521
993	#############################################################################	1522	#############################################################################
994		1523
		1524	=back
		1525
995	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
996		1527
997	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
998		1529
999	=cut	1530	=cut
1000		1531
1001	package cf::player;	1532	package cf::player;
1002		1533
1003	use Coro::AIO;	1534	use Coro::AIO;
1004		1535
1005	=head3 cf::player	1536	=head3 cf::player
1006		1537
1007	=over 4	1538	=over 4
		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	}
1008		1553
1009	=item cf::player::find $login	1554	=item cf::player::find $login
1010		1555
1011	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1012		1557
…		…
1031		1576
1032	sub exists($) {	1577	sub exists($) {
1033	my ($login) = @_;	1578	my ($login) = @_;
1034		1579
1035	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1037	}	1582	}
1038		1583
1039	sub find($) {	1584	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1586	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1597
1053	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1056	}	1607	}
1057	}	1608	}
1058	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
1059		1623
1060	sub save($) {	1624	sub save($) {
1061	my ($pl) = @_;	1625	my ($pl) = @_;
1062		1626
1063	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1069		1633
1070	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1074	Coro::cede;	1643	cf::cede_to_tick;
1075	}	1644	}
1076		1645
1077	sub new($) {	1646	sub new($) {
1078	my ($login) = @_;	1647	my ($login) = @_;
1079		1648
…		…
1085	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1086		1655
1087	$self	1656	$self
1088	}	1657	}
1089		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
1090	=item $pl->quit_character	1669	=item $pl->quit_character
1091		1670
1092	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1094		1673
…		…
1098	my ($pl) = @_;	1677	my ($pl) = @_;
1099		1678
1100	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1101		1680
1102	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1103	$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
1104		1683
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1108	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1109		1692
1110	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1147	or return [];	1730	or return [];
1148		1731
1149	my @logins;	1732	my @logins;
1150		1733
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1155		1744
1156	utf8::decode $login;	1745	utf8::decode $login;
1157	push @logins, $login;	1746	push @logins, $login;
1158	}	1747	}
1159		1748
1160	\@logins	1749	\@logins
1161	}	1750	}
1162		1751
1163	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1164		1755
1165	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1166	player. May block.	1757	player. May block.
1167		1758
1168	=cut	1759	=cut
…		…
1186	}	1777	}
1187		1778
1188	\@paths	1779	\@paths
1189	}	1780	}
1190		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1191	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1192		1787
1193	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1194		1789
1195	=cut	1790	=cut
1196		1791
1197	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1199		1794
1200	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1796	}
1204		1797
1205	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1206		1799
1207	Sends an ext event to the client.	1800	Sends an ext event to the client.
1208		1801
1209	=cut	1802	=cut
1210		1803
1211	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1213		1806
1214	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1215	}	1808	}
1216		1809
1217	=head3 cf::region	1810	=head3 cf::region
1218		1811
1219	=over 4	1812	=over 4
…		…
1222		1815
1223	package cf::region;	1816	package cf::region;
1224		1817
1225	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1226		1819
1227	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1228		1821
1229	=cut	1822	=cut
1230		1823
1231	sub find_by_path($) {	1824	sub find_by_path($) {
1232	my ($path) = @_;	1825	my ($path) = @_;
1233		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1234	my ($match, $specificity);	1829	my ($match, $specificity);
1235		1830
1236	for my $region (list) {	1831	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1240	}	1835	}
1241	}	1836	}
1242		1837
…		…
1263	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1265		1860
1266	sub generate_random_map {	1861	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1867	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1281	)	1880	)
1282	}	1881	}
1283		1882
1284	=item cf::map->register ($regex, $prio)	1883	=item cf::map->register ($regex, $prio)
1285		1884
…		…
1291		1890
1292	sub register {	1891	sub register {
1293	my (undef, $regex, $prio) = @_;	1892	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1893	my $pkg = caller;
1295		1894
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1896
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1898	}
1301		1899
1302	# also paths starting with '/'	1900	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1902
1305	sub thawer_merge {	1903	sub thawer_merge {
1306	my ($self, $merge) = @_;	1904	my ($self, $merge) = @_;
1307		1905
1308	# we have to keep some variables in memory intact	1906	# we have to keep some variables in memory intact
1309	local $self->{path};	1907	local $self->{path};
1310	local $self->{load_path};	1908	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1909
1314	$self->SUPER::thawer_merge ($merge);	1910	$self->SUPER::thawer_merge ($merge);
1315	}	1911	}
1316		1912
1317	sub normalise {	1913	sub normalise {
1318	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
1319		1915
1320	$path = "$path"; # make sure its a string	1916	$path = "$path"; # make sure it's a string
1321		1917
1322	$path =~ s/\.map$//;	1918	$path =~ s/\.map$//;
1323		1919
1324	# map plan:	1920	# map plan:
1325	#	1921	#
…		…
1340	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1937	$path = "$base/$path";
1342	}	1938	}
1343		1939
1344	for ($path) {	1940	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1348	}	1943	}
1349		1944
1350	$path	1945	$path
…		…
1364	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1365	return $self;	1960	return $self;
1366	}	1961	}
1367	}	1962	}
1368		1963
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1965	()
1371	}	1966	}
1372		1967
1373	sub init {	1968	sub init {
1374	my ($self) = @_;	1969	my ($self) = @_;
…		…
1396		1991
1397	# the temporary/swap location	1992	# the temporary/swap location
1398	sub save_path {	1993	sub save_path {
1399	my ($self) = @_;	1994	my ($self) = @_;
1400		1995
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1403	}	1998	}
1404		1999
1405	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1406	sub uniq_path {	2001	sub uniq_path {
1407	my ($self) = @_;	2002	my ($self) = @_;
1408		2003
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1411	}	2006	}
1412		2007
1413	# and all this just because we cannot iterate over	2008	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2009	my ($self) = @_;
1417		2010
1418	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1420	}	2014	}
1421		2015
1422	sub unlink_save {	2016	sub unlink_save {
1423	my ($self) = @_;	2017	my ($self) = @_;
1424		2018
…		…
1429		2023
1430	sub load_header_from($) {	2024	sub load_header_from($) {
1431	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1432		2026
1433	utf8::encode $path;	2027	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1439		2036
1440	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1441		2038
1442	1	2039	1
1443	}	2040	}
…		…
1482	$self->load_header_orig	2079	$self->load_header_orig
1483	or return;	2080	or return;
1484	$self->prepare_orig;	2081	$self->prepare_orig;
1485	}	2082	}
1486		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
1487	$self->default_region (cf::region::find_by_path $self->{path})	2087	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2088	unless $self->default_region;
1489		2089
1490	1	2090	1
1491	}	2091	}
1492		2092
1493	sub find;	2093	sub find;
1494	sub find {	2094	sub find {
1495	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1496		2096
		2097	cf::cede_to_tick;
		2098
1497	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1498		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2103
1501	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1504	or return;	2106	or return;
1505		2107
1506	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1507		2109
1508	$map->load_header	2110	$map->load_header
1509	or return;	2111	or return;
1510		2112
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1514	$map->reset;	2118	$map->reset;
1515	undef $guard;
1516	return find $path;	2119	return find $path;
1517	}	2120	}
1518		2121
1519	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1520	}	2123	}
1521	}	2124	}
1522		2125
1523	sub pre_load { }	2126	sub pre_load { }
1524	sub post_load { }	2127	#sub post_load { } # XS
1525		2128
1526	sub load {	2129	sub load {
1527	my ($self) = @_;	2130	my ($self) = @_;
1528		2131
1529	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1530		2133
1531	my $path = $self->{path};	2134	my $path = $self->{path};
1532		2135
1533	{	2136	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1535		2138
		2139	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2141
1538	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1539		2143
1540	$self->alloc;	2144	$self->alloc;
1541		2145
1542	$self->pre_load;	2146	$self->pre_load;
1543	Coro::cede;	2147	cf::cede_to_tick;
1544		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1546	or return;	2152	or return;
1547		2153
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1549	if delete $self->{load_original};	2155	if delete $self->{load_original};
1550		2156
1551	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2158	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2161	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1556	}	2165	}
1557	}	2166	}
1558		2167
1559	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1560	# now do the right thing for maps	2171	# now do the right thing for maps
1561	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2174	unless $self->difficulty;
1564	Coro::cede;	2175	cf::cede_to_tick;
1565		2176
1566	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2178	$self->decay_objects;
1568	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1569	$self->update_buttons;	2180	$self->update_buttons;
1570	Coro::cede;	2181	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2182	$self->activate;
1574	}	2183	}
1575		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2189	}
1578		2190
1579	$self->post_load;	2191	$self->post_load;
1580	}
1581		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2199	sub customise_for {
1583	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1584		2201
1585	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2203	if $self->per_player;
1587		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
1588	$self	2208	$self
1589	}	2209	}
1590		2210
1591	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2212	sub load_neighbours {
1593	my ($map) = @_;	2213	my ($map) = @_;
1594		2214
1595	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1596		2216
1597	for (0 .. 3) {	2217	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1599	or next;	2219	or next;
1600	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1601	or next;	2221	or next;
1602	$neigh->load;	2222	$neigh->load;
1603		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2228	}
1607		2229
1608	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1610	or next;	2233	or next;
1611	$neigh->load;	2234	$neigh->load;
1612	}	2235	}
1613	}	2236	}
1614		2237
1615	sub find_sync {	2238	sub find_sync {
1616	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1617		2240
1618	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1619	}	2245	}
1620		2246
1621	sub do_load_sync {	2247	sub do_load_sync {
1622	my ($map) = @_;	2248	my ($map) = @_;
1623		2249
1624	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1625	}	2254	}
1626		2255
1627	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2257	our $MAP_PREFETCHER = undef;
1629		2258
1630	sub find_async {	2259	sub find_async {
1631	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1632		2261
1633	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1634		2263
1635	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2266	}
1638		2267
1639	undef $MAP_PREFETCH{$path};	2268	$MAP_PREFETCH{$path} |= $load;
		2269
1640	$MAP_PREFETCHER ||= cf::async {	2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
1641	while (%MAP_PREFETCH) {	2273	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2274	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2275	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2276	$map->load if $v;
		2277	}
1646		2278
1647	delete $MAP_PREFETCH{$path};	2279	delete $MAP_PREFETCH{$k};
1648	}	2280	}
1649	}	2281	}
1650	undef $MAP_PREFETCHER;	2282	undef $MAP_PREFETCHER;
1651	};	2283	};
1652	$MAP_PREFETCHER->prio (6);	2284	$MAP_PREFETCHER->prio (6);
1653		2285
1654	()	2286	()
1655	}	2287	}
1656		2288
		2289	# common code, used by both ->save and ->swapout
1657	sub save {	2290	sub _save {
1658	my ($self) = @_;	2291	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2292
1662	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1663		2294
1664	return unless $self->dirty;	2295	return unless $self->dirty;
1665		2296
…		…
1671	return if $self->{deny_save};	2302	return if $self->{deny_save};
1672		2303
1673	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1674		2305
1675	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1677	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1678		2312
1679	if ($uniq) {	2313	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2316	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2318	}
1685	}	2319	}
1686		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1687	sub swap_out {	2329	sub swap_out {
1688	my ($self) = @_;	2330	my ($self) = @_;
1689		2331
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1695	return if $self->players;	2336	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1699	$self->clear;	2347	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2348	}
1702		2349
1703	sub reset_at {	2350	sub reset_at {
1704	my ($self) = @_;	2351	my ($self) = @_;
1705		2352
1706	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1709		2355
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2358
…		…
1723	my ($self) = @_;	2369	my ($self) = @_;
1724		2370
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2372
1727	return if $self->players;	2373	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2374
1730	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
1731		2376
1732	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->in_memory (cf::MAP_SWAPPED);
1733		2378
1734	# need to save uniques path	2379	# need to save uniques path
1735	unless ($self->{deny_save}) {	2380	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2384	if $uniq;
1740	}	2385	}
1741		2386
1742	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1743		2388
		2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2391	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2392
1748	$self->unlink_save;	2393	$self->unlink_save;
1749	$self->destroy;	2394	$self->destroy;
1750	}	2395	}
1751		2396
1752	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1753		2398
1754	sub nuke {	2399	sub nuke {
1755	my ($self) = @_;	2400	my ($self) = @_;
1756		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
1757	delete $cf::MAP{$self->path};	2405	delete $cf::MAP{$self->path};
1758		2406
1759	$self->unlink_save;	2407	$self->unlink_save;
1760		2408
1761	bless $self, "cf::map";	2409	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2410	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2414
1767	$cf::MAP{$self->path} = $self;	2415	$cf::MAP{$self->path} = $self;
		2416	}
1768		2417
1769	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
		2419	}
		2420
		2421	=item $maps = cf::map::tmp_maps
		2422
		2423	Returns an arrayref with all map paths of currently instantiated and saved
		2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
		2429	[
		2430	map {
		2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
		2437	}
		2438
		2439	=item $maps = cf::map::random_maps
		2440
		2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
		2443
		2444	=cut
		2445
		2446	sub random_maps() {
		2447	[
		2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
1770	}	2455	}
1771		2456
1772	=item cf::map::unique_maps	2457	=item cf::map::unique_maps
1773		2458
1774	Returns an arrayref of paths of all shared maps that have	2459	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2460	instantiated unique items. May block.
1776		2461
1777	=cut	2462	=cut
1778		2463
1779	sub unique_maps() {	2464	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2465	[
1781	or return;	2466	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2467	utf8::decode $_;
1787	next if /\.pst$/;	2468	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2470	? ()
1790	push @paths, cf::map::normalise $_;	2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2473	]
1792
1793	\@paths
1794	}	2474	}
1795		2475
1796	package cf;	2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
		2503	}
		2504
		2505	\@maps
		2506	}
1797		2507
1798	=back	2508	=back
1799		2509
1800	=head3 cf::object	2510	=head3 cf::object
1801		2511
…		…
1805		2515
1806	=over 4	2516	=over 4
1807		2517
1808	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1809		2519
1810	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1811		2522
1812	=cut	2523	=cut
1813		2524
1814	sub inv_recursive_;	2525	sub inv_recursive_;
1815	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1818		2529
1819	sub inv_recursive {	2530	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1821	}	2532	}
1822		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1823	package cf;	2562	package cf;
1824		2563
1825	=back	2564	=back
1826		2565
1827	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1836		2575
1837	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1838		2591
1839	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2593	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1844		2597
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2599
1847	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1849	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1852	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1853	}	2625	}
1854		2626
1855	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1856		2628
1857	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1870		2642
1871	=item $player_object->enter_link	2643	=item $player_object->enter_link
1872		2644
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2646
1875	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
1877		2651
1878	Will never block.	2652	Will never block.
1879		2653
1880	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1881		2655
…		…
1901	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2676	my ($self) = @_;
1903		2677
1904	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1905		2679
		2680	++$self->{_link_recursion};
		2681
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2683
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1910		2686
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2688	}
1913		2689
1914	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1916		2694
1917	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1918		2696
1919	unless ($map) {	2697	unless ($map) {
1920	# restore original map position	2698	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1933		2711
1934	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1937		2715
1938	$map->load;	2716	$map->load;
1939	$map->load_diag;	2717	$map->load_neighbours;
1940		2718
1941	return unless $self->contr->active;	2719	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2720
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2722	if ($self->enter_map ($map, $x, $y)) {
1946	}	2723	# entering was successful
1947		2724	delete $self->{_link_recursion};
1948	cf::player->attach (	2725	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2726	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2727	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2728
1962	# try to abort aborted map switching on player login :)	2729	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2730
1980	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1982	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1983		2745
1984	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2757
1987	$self->enter_link;	2758	$self->enter_link;
1988		2759
1989	(async {	2760	(async {
		2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
1990	my $map = eval {	2782	my $map = eval {
1991	my $map = cf::map::find $path;	2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
		2788	} else {
		2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
		2791
1993	$map	2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2798	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1998	})->prio (1);	2806	})->prio (1);
1999	}	2807	}
2000		2808
2001	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
2002		2810
…		…
2022	}	2830	}
2023		2831
2024	sub prepare_random_map {	2832	sub prepare_random_map {
2025	my ($exit) = @_;	2833	my ($exit) = @_;
2026		2834
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2835	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2836	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2837	# that depends on the exit object
2032		2838
2033	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2841	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2842	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
2040	}	2848	}
2041		2849
2042	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
2043		2851
2044	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2854	my $meta = "$RANDOMDIR/$md5.meta";
2047		2855
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2858	undef $fh;
2051	aio_rename "$meta~", $meta;	2859	aio_rename "$meta~", $meta;
2052		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
2055	}	2867	}
2056	}	2868	}
2057		2869
2058	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
2060		2872
2061	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
2062		2874
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2875	$self->enter_link;
2075		2876
2076	(async {	2877	(async {
2077	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
2078	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
		2887	prepare_random_map $exit
		2888	if $exit->slaying eq "/!";
		2889	}
		2890
		2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
		2894
2079	$self->goto ($slaying, $hp, $sp);	2895	$self->goto ($map, $x, $y);
2080		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
2081	1;	2901	1
2082	}) {	2902	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2907
2088	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2909	$self->leave_link;
2090	}	2910	}
2091	})->prio (1);	2911	})->prio (1);
2092	}	2912	}
2093		2913
…		…
2107		2927
2108	utf8::encode $text;	2928	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2930	}
2111		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
2112	=item $client->ext_event ($type, %msg)	3119	=item $client->ext_msg ($type, @msg)
2113		3120
2114	Sends an exti event to the client.	3121	Sends an ext event to the client.
2115		3122
2116	=cut	3123	=cut
2117		3124
2118	sub cf::client::ext_event($$%) {	3125	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3126	my ($self, $type, @msg) = @_;
2120		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3131	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
2123	}	3152	}
2124		3153
2125	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
2126		3155
2127	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3159
2131	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3161	become reliable at some point in the future.
2133		3162
2134	=cut	3163	=cut
2135		3164
2136	sub cf::client::query {	3165	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3174	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3176
2148	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
2150	}	3181	}
2151		3182
2152	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
2153	on_reply => sub {	3189	on_reply => sub {
2154	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
2155		3191
2156	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
2157	# get handled first	3193	# get handled first
…		…
2169	} else {	3205	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3207	}
2172	}	3208	}
2173	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
2174	);	3236	);
2175		3237
2176	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
2177		3239
2178	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3256
2195	$coro	3257	$coro
2196	}	3258	}
2197		3259
2198	cf::client->attach (	3260	cf::client->attach (
2199	on_destroy => sub {	3261	on_client_destroy => sub {
2200	my ($ns) = @_;	3262	my ($ns) = @_;
2201		3263
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3265	},
2204	);	3266	);
…		…
2219	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
2221		3283
2222	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
2223		3285
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
2225		3291
2226	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
2227		3293
2228	=pod	3294	=pod
2229		3295
2230	The following functions and methods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
2231		3297
2232	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
2233	cf::object::player player	3303	cf::object::player
2234	cf::player peaceful	3304	player
2235	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2236		3311
2237	=cut	3312	=cut
2238		3313
2239	for (	3314	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2244	) {	3321	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3324	for @funs;
2249	}	3325	}
2250		3326
…		…
2265		3341
2266	my $qcode = $code;	3342	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2269		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2270	local $_;	3349	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3350
2273	my $eval =	3351	my $eval =
2274	"do {\n"	3352	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3355	. $code
2278	. "\n}"	3356	. "\n}"
2279	;	3357	;
2280		3358
		3359	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2284		3368
2285	if ($@) {	3369	if ($@) {
2286	warn "$@";	3370	warn "$@",
2287	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2289	}	3373	}
2290		3374
2291	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2292	}	3376	}
2293		3377
…		…
2307	=cut	3391	=cut
2308		3392
2309	sub register_script_function {	3393	sub register_script_function {
2310	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2311		3395
2312	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2314	}	3398	}
2315		3399
2316	=back	3400	=back
2317		3401
2318	=cut	3402	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3403
2494	#############################################################################	3404	#############################################################################
2495	# the server's init and main functions	3405	# the server's init and main functions
2496		3406
2497	sub load_facedata($) {	3407	sub load_facedata($) {
2498	my ($path) = @_;	3408	my ($path) = @_;
2499		3409
		3410	# HACK to clear player env face cache, we need some signal framework
		3411	# for this (global event?)
		3412	%ext::player_env::MUSIC_FACE_CACHE = ();
		3413
		3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3415
2500	warn "loading facedata from $path\n";	3416	trace "loading facedata from $path\n";
2501		3417
2502	my $facedata;
2503	0 < aio_load $path, $facedata	3418	0 < aio_load $path, my $facedata
2504	or die "$path: $!";	3419	or die "$path: $!";
2505		3420
2506	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2507		3422
2508	$facedata->{version} == 2	3423	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2511	{	3435	{
2512	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2513		3437
2514	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3445
		3446	cf::cede_to_tick;
2520	}	3447	}
2521		3448
2522	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2524	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2525	or next;	3453	or next;
		3454
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3458	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3460	}
2531	Coro::cede;	3461
		3462	cf::cede_to_tick;
2532	}	3463	}
2533	}	3464	}
2534		3465
2535	{	3466	{
2536	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2537		3468
2538	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3471	cf::cede_to_tick;
2541	}	3472	}
2542		3473
2543	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2544	}	3475	}
2545		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2546	1	3496	1
2547	}	3497	}
2548		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2549	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2550	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
2552	}	3529	}
2553		3530
2554	sub reload_facedata {	3531	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3532	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3533	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3541	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2567	}	3544	}
2568		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2569	sub reload_resources {	3569	sub reload_resources {
2570	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2571		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
2572	reload_regions;	3577	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3578	reload_treasures;
2576		3579
2577	warn "finished reloading resource files\n";	3580	trace "finished reloading resource files\n";
2578	}	3581	}
2579		3582
2580	sub init {	3583	sub reload_config {
2581	reload_resources;	3584	trace "reloading config file...\n";
2582	}
2583		3585
2584	sub cfg_load {	3586	0 < aio_load "$CONFDIR/config", my $config
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3587	or die "$CONFDIR/config: $!";
2586	or return;
2587		3588
2588	local $/;	3589	utf8::decode $config;
2589	*CFG = YAML::Syck::Load <$fh>;	3590	*CFG = yaml_load $config;
2590		3591
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3593
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3596
2596	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2600	};	3601	};
2601	warn $@ if $@;	3602	warn $@ if $@;
2602	}	3603	}
2603	}	3604	}
2604		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2605	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2606	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3647	(async {
2610	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2612	};	3651	};
2613		3652
2614	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
2615	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2616	load_extensions;	3676	load_extensions;
2617		3677
2618	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2620	}	3696	}
2621		3697
2622	#############################################################################	3698	#############################################################################
2623	# initialisation and cleanup	3699	# initialisation and cleanup
2624		3700
2625	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2626	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2635	},
2636	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2637	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2638	}	3797	}
2639		3798
2640	sub emergency_save() {	3799	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2642		3801
2643	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2644		3808
2645	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2646	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3820	$pl->save;
2654	}	3821	}
2655	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2656		3823
2657	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3829	$map->valid or next;
2661	$map->save;	3830	$map->save;
2662	}	3831	}
2663	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2664		3833
2665	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3862	};
2669		3863
2670	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2671	}	3865	}
2672		3866
2673	sub post_cleanup {	3867	sub post_cleanup {
2674	my ($make_core) = @_;	3868	my ($make_core) = @_;
2675		3869
		3870	IO::AIO::flush;
		3871
2676	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
2678	}	3902	}
2679		3903
2680	sub do_reload_perl() {	3904	sub do_reload_perl() {
2681	# can/must only be called in main	3905	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2683	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2684	return;	3908	return;
2685	}	3909	}
2686		3910
2687	warn "reloading...";	3911	return if $RELOAD++;
2688		3912
2689	warn "entering sync_job";	3913	my $t1 = AE::time;
2690		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
2691	cf::sync_job {	3921	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3922	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3923
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3924	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3926	%EXT_CORO = ();
2720		3927
2721	warn "removing commands";	3928	trace "perl_reload: removing commands";
2722	%COMMAND = ();	3929	%COMMAND = ();
2723		3930
2724	warn "removing ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2726		3934
2727	warn "unloading/nuking all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2730		3938
2731	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3940	eval {
2733	$cb->($pkg);	3941	$cb->($pkg);
2734	1	3942	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2736	}	3948	}
2737		3949
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3953
2746	warn "... unloading $k";	3954	trace "... unloading $k";
2747	delete $INC{$k};	3955	delete $INC{$k};
2748		3956
2749	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2751		3959
2752	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2754	}	3965	}
2755		3966
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3970
2763	warn "unloading cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3974
2767	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3976	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2770		3978
2771	warn "unload completed, starting to reload now";	3979	info "perl_reload: unload completed, starting to reload now";
2772		3980
2773	warn "reloading cf.pm";	3981	trace "perl_reload: reloading cf.pm";
2774	require cf;	3982	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2776		3984
2777	warn "loading config and database again";	3985	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	3986	cf::reload_config;
2779		3987
2780	warn "loading extensions";	3988	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	3989	cf::load_extensions;
2782		3990
		3991	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3993	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3996	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3997	reattach $_ for values %PLAYER;
		3998	}
2789		3999
2790	warn "leaving sync_job";	4000	cf::_post_init 1;
2791		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
2792	1	4004	1
2793	} or do {	4005	} or do {
2794	warn $@;	4006	error $@;
2795	warn "error while reloading, exiting.";	4007	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	4008	};
		4009
		4010	--$RELOAD;
2797	};	4011	}
2798		4012
2799	warn "reloaded";	4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
2800	};	4015	};
2801		4016
2802	our $RELOAD_WATCHER; # used only during reload	4017	our $RELOAD_WATCHER; # used only during reload
2803		4018
2804	sub reload_perl() {	4019	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4020	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4021	# coro crashes during coro_state_free->destroy here.
2807		4022
2808	$RELOAD_WATCHER ||= Event->timer (	4023	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4024	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4025
2811	data => WF_AUTOCANCEL,	4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4027	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4028	undef $RELOAD_WATCHER;
2815	},	4029	};
2816	);	4030	};
2817	}	4031	}
2818		4032
2819	register_command "reload" => sub {	4033	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2821		4035
2822	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4040	reload_perl;
		4041	};
2825	}	4042	}
2826	};	4043	};
2827		4044
2828	unshift @INC, $LIBDIR;	4045	#############################################################################
2829		4046
2830	my $bug_warning = 0;	4047	my $bug_warning = 0;
2831		4048
2832	our @WAIT_FOR_TICK;	4049	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4050	our @WAIT_FOR_TICK_BEGIN;
2834		4051
2835	sub wait_for_tick {	4052	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4054
2839	my $signal = new Coro::Signal;	4055	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4056	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4057	$signal->wait;
2842	}	4058	}
2843		4059
2844	sub wait_for_tick_begin {	4060	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4062
2848	my $signal = new Coro::Signal;	4063	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4064	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4065	$signal->wait;
2851	}	4066	}
2852		4067
2853	$TICK_WATCHER = Event->timer (	4068	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4069	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4071	unless ++$bug_warning > 10;
2863	return;	4072	return;
2864	}	4073	}
2865		4074
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2869		4076
2870	$RUNTIME += $TICK;	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4078
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4081	Coro::async_pool {
		4082	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4083	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4084	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4085	};
		4086	}
2880		4087
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4089	$sig->send;
2886	}	4090	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4091	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4092	$sig->send;
2889	}	4093	}
2890		4094
2891	$NOW = Event::time;	4095	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4097
2902	_post_tick;	4098	if (0) {
2903		4099	if ($NEXT_TICK) {
2904		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
2905	},	4104	}
2906	);	4105	}
2907		4106
2908	{	4107	{
2909	BDB::max_poll_time $TICK * 0.1;	4108	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4109
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4110	BDB::min_parallel 16;
2919		4111	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4112	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4113
2935	unless ($DB_ENV) {	4114	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4121
2938	cf::sync_job {	4122	cf::sync_job {
2939	eval {	4123	eval {
2940	BDB::db_env_open	4124	BDB::db_env_open
2941	$DB_ENV,	4125	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4129	0666;
2946		4130
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4132	};
2952		4133
2953	cf::cleanup "db_env_open(db): $@" if $@;	4134	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4135	};
2955	}	4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
2956	}	4147	}
2957		4148
2958	{	4149	{
		4150	# configure IO::AIO
		4151
2959	IO::AIO::min_parallel 8;	4152	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4153	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4154	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4155	}
2972		4156
2973	my $_log_backtrace;	4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
2974		4159
2975	sub _log_backtrace {	4160	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4161	my ($msg, @addr) = @_;
2977		4162
2978	$msg =~ s/\n//;	4163	$msg =~ s/\n$//;
2979		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4168	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
2983	async {	4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
2984	my @bt = fork_call {	4176	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4177	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4180	or die "addr2line: $!";
…		…
2996	}	4188	}
2997		4189
2998	@funcs	4190	@funcs
2999	};	4191	};
3000		4192
3001	LOG llevInfo, "[ABT] $msg\n";	4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4195	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4196	--$_log_backtrace;
3004	};	4197	};
3005	} else {	4198	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4199	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4201	}
3009	}	4202	}
3010		4203
3011	# load additional modules	4204	# load additional modules
3012	use cf::pod;	4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
3013		4207
3014	END { cf::emergency_save }	4208	END { cf::emergency_save }
3015		4209
3016	1	4210	1
3017		4211

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