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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 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
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	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::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	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
152	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 process
153	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.
154		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
155	=back	253	=back
156		254
157	=cut	255	=cut
158		256
159	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	264	my $msg = join "", @_;
162		265
163	$msg .= "\n"	266	$msg .= "\n"
164	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
165		268
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		270
168	utf8::encode $msg;
169	LOG llevError, $msg;	271	LOG llevWarn, $msg;
170	};	272	};
171	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
172		287
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		295
180	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	297	# within the Safe compartment.
182	for my $pkg (qw(	298	for my $pkg (qw(
183	cf::global cf::attachable	299	cf::global cf::attachable
184	cf::object cf::object::player	300	cf::object cf::object::player
185	cf::client cf::player	301	cf::client cf::player
186	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
187	cf::map cf::party cf::region	304	cf::party cf::region
188	)) {	305	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	307	}
192		308
193	$Event::DIED = sub {	309	$EV::DIED = sub {
194	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
195	};	311	};
		312
		313	#############################################################################
196		314
197	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
198		316
199	=over 4	317	=over 4
200		318
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	338	$d
221	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
222	}	340	}
223		341
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
227		343
228	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
229		345
230	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
231		347
232	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
233		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
249		389
250	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
251		391
252	=cut	392	=cut
253		393
254	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
255		395
256	sub lock_wait($) {	396	sub lock_wait($) {
257	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	398	}
265		399
266	sub lock_acquire($) {	400	sub lock_acquire($) {
267	my ($key) = @_;	401	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	402	}
279		403
280	sub lock_active($) {	404	sub lock_active($) {
281	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	406	}
285		407
286	sub freeze_mainloop {	408	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
288		410
289	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
291	};	478	}
292	$TICK_WATCHER->stop;	479	};
293	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
294	}	494	}
295		495
296	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
297		497
298	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		503
304	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
305		505
306	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
307		507
308	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
311		512
312	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
315	fast or be very important.	516	fast or be very important.
…		…
317	=cut	518	=cut
318		519
319	sub sync_job(&) {	520	sub sync_job(&) {
320	my ($job) = @_;	521	my ($job) = @_;
321		522
322	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
323	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
325		528
326	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	530
328	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
329		532
330	my $busy = 1;	533	my $busy = 1;
331	my @res;	534	my @res;
332		535
333	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	538	@res = eval { $job->() };
335	warn $@ if $@;	539	error $@ if $@;
336	undef $busy;	540	undef $busy;
337	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
338		542
339	while ($busy) {	543	while ($busy) {
340	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
341	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
342		554
343	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
344	} else {	556	} else {
345	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
346		558
…		…
366	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
367		579
368	$coro	580	$coro
369	}	581	}
370		582
371	sub write_runtime {	583	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		584
374	my $runtime = "$LOCALDIR/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
375		589
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
377	or return;
378		591
379	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		594
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
384	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
385		598
386	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	600	reset_signals;
388	and return;	601	&$cb
		602	}, @args;
389		603
390	close $fh	604	wantarray ? @res : $res[-1]
391	or return;	605	}
392		606
393	aio_rename "$runtime~", $runtime	607	sub objinfo {
394	and return;
395
396	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
397	}	772	}
398		773
399	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
400		775
401	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
402		777
403	=cut	778	=cut
404		779
405	sub datalog($@) {	780	sub datalog($@) {
406	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	783	}
409		784
410	=back	785	=back
411		786
412	=cut	787	=cut
413		788
414	#############################################################################	789	#############################################################################
415		790
416	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
417		792
418	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
421		796
422	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	799	Deliantra).
425		800
426	=over 4	801	=over 4
427		802
428	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
429		804
…		…
473	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
474		849
475	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
477		852
478	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
480		855
481	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
482		857
483	=over 4	858	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
593		968
594	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		973
599	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	975	my $pkg = shift @arg;
601		976
602	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
607		982
608	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		985
611	} elsif (ref $type) {	986	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
613		988
614	} else {	989	} else {
615	shift @arg;	990	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
617	}	992	}
618	}	993	}
619	}	994	}
620		995
621	sub _object_attach {	996	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
632	}	1007	}
633		1008
634	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
635	} else {	1010	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1012	}
638		1013
639	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
640	}	1015	}
641		1016
…		…
643	if (ref $_[0]) {	1018	if (ref $_[0]) {
644	_object_attach @_;	1019	_object_attach @_;
645	} else {	1020	} else {
646	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
647	}	1022	}
		1023	_recalc_want;
648	};	1024	};
649		1025
650	# all those should be optimised	1026	# all those should be optimised
651	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1032	reattach ($obj);
657	} else {	1033	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
659	}	1035	}
		1036	_recalc_want;
660	};	1037	};
661		1038
662	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
664		1041
…		…
679	";	1056	";
680	die if $@;	1057	die if $@;
681	}	1058	}
682		1059
683	our $override;	1060	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1062
686	sub override {	1063	sub override {
687	$override = 1;	1064	$override = 1;
688	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
689	}	1066	}
690		1067
691	sub do_invoke {	1068	sub do_invoke {
692	my $event = shift;	1069	my $event = shift;
693	my $callbacks = shift;	1070	my $callbacks = shift;
694		1071
695	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
696		1073
697	local $override;	1074	local $override;
698		1075
699	for (@$callbacks) {	1076	for (@$callbacks) {
700	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
701		1078
702	if ($@) {	1079	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1081	override;
706	}	1082	}
707		1083
708	return 1 if $override;	1084	return 1 if $override;
709	}	1085	}
710		1086
711	0	1087	0
712	}	1088	}
713		1089
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1091
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1093
718	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
719		1095
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1099
724	=back	1100	=back
725		1101
726	=cut	1102	=cut
727		1103
728	#############################################################################	1104	#############################################################################
729	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
730		1148
731	sub reattach {	1149	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1151	my ($obj) = @_;
734		1152
		1153	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1155
737	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
738		1157
739	@$registry = ();	1158	@$registry = ();
740		1159
…		…
745	for (@$attach) {	1164	for (@$attach) {
746	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
748	}	1167	}
749	} else {	1168	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1170	}
752	}	1171	}
753	}	1172	}
754		1173
755	cf::attachable->attach (	1174	cf::attachable->attach (
756	prio => -1000000,	1175	prio => -1000000,
757	on_instantiate => sub {	1176	on_instantiate => sub {
758	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
759		1178
760	$data = from_json $data;	1179	$data = decode_json $data;
761		1180
762	for (@$data) {	1181	for (@$data) {
763	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
764		1183
765	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1200	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
783		1202
784	sync_job {	1203	sync_job {
785	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
788		1209
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
793	close $fh;	1217	aio_close $fh;
794		1218
795	if (@$objs) {	1219	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
801	close $fh;	1228	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
803	}	1230	}
804	} else {	1231	} else {
805	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
806	}	1233	}
807		1234
808	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1239	} else {
810	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
811	}	1241	}
812	} else {	1242	} else {
813	aio_unlink $filename;	1243	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
815	}	1245	}
816	}	1246	};
817	}	1247	}
818		1248
819	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
821		1251
…		…
833	or return;	1263	or return;
834		1264
835	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
837	or return;	1267	or return;
		1268
838	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
839	}	1271	}
840		1272
		1273	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
843	return ($data, $av);	1278	($data, $av)
844	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
845		1286
846	#############################################################################	1287	#############################################################################
847	# command handling &c	1288	# command handling &c
848		1289
849	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1304	}
864		1305
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1307
867	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
868		1313
869	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
870	called.	1315	called.
871		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
872	=cut	1328	=cut
873		1329
874	sub register_extcmd {	1330	sub register_extcmd {
875	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
876		1332
877	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
878	}	1334	}
879		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
880	cf::player->attach (	1344	cf::player->attach (
881	on_command => sub {	1345	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
883		1347
884	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
885	or return;	1349	or return;
886		1350
…		…
891	cf::override;	1355	cf::override;
892	},	1356	},
893	on_extcmd => sub {	1357	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
895		1359
896	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1361
898	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
904	} else {	1377	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1379	}
907		1380
908	cf::override;	1381	cf::override;
909	},	1382	},
910	);	1383	);
911		1384
		1385	# "readahead" all extensions
912	sub load_extension {	1386	sub cache_extensions {
913	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
914		1388
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1392	}
940	die $@;
941	}	1393	};
942		1394
943	push @EXTS, $pkg;	1395	$grp
944	}	1396	}
945		1397
946	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
947	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1405	next unless -r $path;
949	eval {	1406
950	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
951	1	1470	}
952	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
953	}	1481	};
954	}	1482	}
955		1483
956	#############################################################################	1484	#############################################################################
957		1485
		1486	=back
		1487
958	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
959		1489
960	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
961		1491
962	=cut	1492	=cut
963		1493
964	package cf::player;	1494	package cf::player;
965		1495
966	use Coro::AIO;	1496	use Coro::AIO;
967		1497
968	=head3 cf::player	1498	=head3 cf::player
969		1499
970	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
971		1515
972	=item cf::player::find $login	1516	=item cf::player::find $login
973		1517
974	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
975		1519
…		…
994		1538
995	sub exists($) {	1539	sub exists($) {
996	my ($login) = @_;	1540	my ($login) = @_;
997		1541
998	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1000	}	1544	}
1001		1545
1002	sub find($) {	1546	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1548	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1559
1016	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1019	}	1569	}
1020	}	1570	}
1021	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1022		1585
1023	sub save($) {	1586	sub save($) {
1024	my ($pl) = @_;	1587	my ($pl) = @_;
1025		1588
1026	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1032		1595
1033	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1035		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1036	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1037	Coro::cede;	1605	cf::cede_to_tick;
1038	}	1606	}
1039		1607
1040	sub new($) {	1608	sub new($) {
1041	my ($login) = @_;	1609	my ($login) = @_;
1042		1610
…		…
1048	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1049		1617
1050	$self	1618	$self
1051	}	1619	}
1052		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1053	=item $pl->quit_character	1631	=item $pl->quit_character
1054		1632
1055	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1057		1635
…		…
1061	my ($pl) = @_;	1639	my ($pl) = @_;
1062		1640
1063	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1064		1642
1065	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1645
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1072		1651
1073	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1689	or return [];
1111		1690
1112	my @logins;	1691	my @logins;
1113		1692
1114	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1118		1703
1119	utf8::decode $login;	1704	utf8::decode $login;
1120	push @logins, $login;	1705	push @logins, $login;
1121	}	1706	}
1122		1707
1123	\@logins	1708	\@logins
1124	}	1709	}
1125		1710
1126	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1127		1714
1128	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1129	player. May block.	1716	player. May block.
1130		1717
1131	=cut	1718	=cut
…		…
1149	}	1736	}
1150		1737
1151	\@paths	1738	\@paths
1152	}	1739	}
1153		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1154	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1155		1746
1156	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1157		1748
1158	=cut	1749	=cut
1159		1750
1160	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1162		1753
1163	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1755	}
1167		1756
1168	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1169		1758
1170	Sends an ext event to the client.	1759	Sends an ext event to the client.
1171		1760
1172	=cut	1761	=cut
1173		1762
1174	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1176		1765
1177	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1178	}	1767	}
1179		1768
1180	=head3 cf::region	1769	=head3 cf::region
1181		1770
1182	=over 4	1771	=over 4
…		…
1185		1774
1186	package cf::region;	1775	package cf::region;
1187		1776
1188	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1189		1778
1190	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1191		1780
1192	=cut	1781	=cut
1193		1782
1194	sub find_by_path($) {	1783	sub find_by_path($) {
1195	my ($path) = @_;	1784	my ($path) = @_;
1196		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1197	my ($match, $specificity);	1788	my ($match, $specificity);
1198		1789
1199	for my $region (list) {	1790	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1203	}	1794	}
1204	}	1795	}
1205		1796
…		…
1226	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1228		1819
1229	sub generate_random_map {	1820	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1231	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1826	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1254		1848
1255	sub register {	1849	sub register {
1256	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1851	my $pkg = caller;
1258		1852
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1854
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1856	}
1264		1857
1265	# also paths starting with '/'	1858	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1860
1268	sub thawer_merge {	1861	sub thawer_merge {
1269	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1270		1863
1271	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1272	local $self->{path};	1865	local $self->{path};
1273	local $self->{load_path};	1866	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1867
1277	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1278	}	1869	}
1279		1870
1280	sub normalise {	1871	sub normalise {
1281	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1282		1873
1283	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1284		1875
1285	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1286		1877
1287	# map plan:	1878	# map plan:
1288	#	1879	#
…		…
1327	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1328	return $self;	1919	return $self;
1329	}	1920	}
1330	}	1921	}
1331		1922
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1924	()
1334	}	1925	}
1335		1926
1336	sub init {	1927	sub init {
1337	my ($self) = @_;	1928	my ($self) = @_;
…		…
1352		1943
1353	# the original (read-only) location	1944	# the original (read-only) location
1354	sub load_path {	1945	sub load_path {
1355	my ($self) = @_;	1946	my ($self) = @_;
1356		1947
1357	"$MAPDIR($self->{path}"	1948	"$MAPDIR/$self->{path}.map"
1358	}	1949	}
1359		1950
1360	# the temporary/swap location	1951	# the temporary/swap location
1361	sub save_path {	1952	sub save_path {
1362	my ($self) = @_;	1953	my ($self) = @_;
1363		1954
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path"	1956	"$TMPDIR/$path.map"
1366	}	1957	}
1367		1958
1368	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1369	sub uniq_path {	1960	sub uniq_path {
1370	my ($self) = @_;	1961	my ($self) = @_;
1371		1962
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1374	}	1965	}
1375		1966
1376	# and all this just because we cannot iterate over	1967	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1968	my ($self) = @_;
1380		1969
1381	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1383	}	1973	}
1384		1974
1385	sub unlink_save {	1975	sub unlink_save {
1386	my ($self) = @_;	1976	my ($self) = @_;
1387		1977
…		…
1392		1982
1393	sub load_header_from($) {	1983	sub load_header_from($) {
1394	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1395		1985
1396	utf8::encode $path;	1986	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1402		1995
1403	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1404		1997
1405	1	1998	1
1406	}	1999	}
…		…
1445	$self->load_header_orig	2038	$self->load_header_orig
1446	or return;	2039	or return;
1447	$self->prepare_orig;	2040	$self->prepare_orig;
1448	}	2041	}
1449		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
1450	$self->default_region (cf::region::find_by_path $self->{path})	2046	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2047	unless $self->default_region;
1452		2048
1453	1	2049	1
1454	}	2050	}
1455		2051
1456	sub find;	2052	sub find;
1457	sub find {	2053	sub find {
1458	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1459		2055
		2056	cf::cede_to_tick;
		2057
1460	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1461		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2062
1464	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1467	or return;	2065	or return;
1468		2066
1469	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1470		2068
1471	$map->load_header	2069	$map->load_header
1472	or return;	2070	or return;
1473		2071
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1477	$map->reset;	2077	$map->reset;
1478	undef $guard;
1479	return find $path;	2078	return find $path;
1480	}	2079	}
1481		2080
1482	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1483	}	2082	}
1484	}	2083	}
1485		2084
1486	sub pre_load { }	2085	sub pre_load { }
1487	sub post_load { }	2086	#sub post_load { } # XS
1488		2087
1489	sub load {	2088	sub load {
1490	my ($self) = @_;	2089	my ($self) = @_;
1491		2090
1492	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1493		2092
1494	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1496		2097
		2098	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2100
1499	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1500		2102
1501	$self->alloc;	2103	$self->alloc;
1502		2104
1503	$self->pre_load;	2105	$self->pre_load;
1504	Coro::cede;	2106	cf::cede_to_tick;
1505		2107
1506	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1507	or return;	2111	or return;
1508		2112
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1510	if delete $self->{load_original};	2114	if delete $self->{load_original};
1511		2115
1512	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2117	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2120	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1517	}	2124	}
1518	}	2125	}
1519		2126
1520	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1521	# now do the right thing for maps	2130	# now do the right thing for maps
1522	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2133	unless $self->difficulty;
1533	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1534	$self->activate;	2141	$self->activate;
1535	Coro::cede;	2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2148	}
1537		2149
1538	$self->post_load;	2150	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2151	}
1543		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2156	sub customise_for {
1545	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1546		2158
1547	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2160	if $self->per_player;
1549		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1550	$self	2165	$self
1551	}	2166	}
1552		2167
1553	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2169	sub load_neighbours {
1555	my ($map) = @_;	2170	my ($map) = @_;
1556		2171
1557	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1558		2173
1559	for (0 .. 3) {	2174	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1561	or next;	2176	or next;
1562	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1563	or next;	2178	or next;
1564	$neigh->load;	2179	$neigh->load;
1565		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2185	}
1569		2186
1570	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1572	or next;	2190	or next;
1573	$neigh->load;	2191	$neigh->load;
1574	}	2192	}
1575	}	2193	}
1576		2194
1577	sub find_sync {	2195	sub find_sync {
1578	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1579		2197
1580	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1581	}	2202	}
1582		2203
1583	sub do_load_sync {	2204	sub do_load_sync {
1584	my ($map) = @_;	2205	my ($map) = @_;
1585		2206
1586	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1587	}	2211	}
1588		2212
1589	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1591		2215
1592	sub find_async {	2216	sub find_async {
1593	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1594		2218
1595	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1596		2220
1597	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2223	}
1600		2224
1601	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1602	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1603	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2232	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2233	$map->load if $v;
		2234	}
1608		2235
1609	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1610	}	2237	}
1611	}	2238	}
1612	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1613	};	2240	};
1614	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1615		2242
1616	()	2243	()
1617	}	2244	}
1618		2245
		2246	# common code, used by both ->save and ->swapout
1619	sub save {	2247	sub _save {
1620	my ($self) = @_;	2248	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2249
1624	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1625		2251
1626	return unless $self->dirty;	2252	return unless $self->dirty;
1627		2253
…		…
1633	return if $self->{deny_save};	2259	return if $self->{deny_save};
1634		2260
1635	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1636		2262
1637	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1639	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1640		2269
1641	if ($uniq) {	2270	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2273	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2275	}
1647	}	2276	}
1648		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1649	sub swap_out {	2286	sub swap_out {
1650	my ($self) = @_;	2287	my ($self) = @_;
1651		2288
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1657	return if $self->players;	2293	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1661	$self->clear;	2304	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2305	}
1664		2306
1665	sub reset_at {	2307	sub reset_at {
1666	my ($self) = @_;	2308	my ($self) = @_;
1667		2309
1668	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1671		2312
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2315
…		…
1685	my ($self) = @_;	2326	my ($self) = @_;
1686		2327
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2329
1689	return if $self->players;	2330	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2331
1692	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1693		2333
1694	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1695		2335
1696	# need to save uniques path	2336	# need to save uniques path
1697	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2341	if $uniq;
1702	}	2342	}
1703		2343
1704	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1705		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2348	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2349
1710	$self->unlink_save;	2350	$self->unlink_save;
1711	$self->destroy;	2351	$self->destroy;
1712	}	2352	}
1713		2353
1714	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1715		2355
1716	sub nuke {	2356	sub nuke {
1717	my ($self) = @_;	2357	my ($self) = @_;
1718		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1719	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1720		2363
1721	$self->unlink_save;	2364	$self->unlink_save;
1722		2365
1723	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1724	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2371
1729	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1730		2374
1731	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1732	}	2412	}
1733		2413
1734	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1735		2415
1736	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2417	instantiated unique items. May block.
1738		2418
1739	=cut	2419	=cut
1740		2420
1741	sub unique_maps() {	2421	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2422	[
1743	or return;	2423	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2424	utf8::decode $_;
1749	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2427	? ()
1752	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2430	]
1754
1755	\@paths
1756	}	2431	}
1757		2432
1758	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1759		2464
1760	=back	2465	=back
1761		2466
1762	=head3 cf::object	2467	=head3 cf::object
1763		2468
…		…
1767		2472
1768	=over 4	2473	=over 4
1769		2474
1770	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1771		2476
1772	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1773		2479
1774	=cut	2480	=cut
1775		2481
1776	sub inv_recursive_;	2482	sub inv_recursive_;
1777	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1780		2486
1781	sub inv_recursive {	2487	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1783	}	2489	}
1784		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1785	package cf;	2519	package cf;
1786		2520
1787	=back	2521	=back
1788		2522
1789	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1798		2532
1799	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1800		2548
1801	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2550	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1806		2554
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2556
1809	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1811	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1814	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1815	}	2582	}
1816		2583
1817	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1818		2585
1819	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1832		2599
1833	=item $player_object->enter_link	2600	=item $player_object->enter_link
1834		2601
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2603
1837	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1839		2608
1840	Will never block.	2609	Will never block.
1841		2610
1842	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1843		2612
…		…
1863	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1864	my ($self) = @_;	2633	my ($self) = @_;
1865		2634
1866	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1867		2636
		2637	++$self->{_link_recursion};
		2638
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2640
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1872		2643
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1874	}	2645	}
1875		2646
1876	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1878		2651
1879	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1880		2653
1881	unless ($map) {	2654	unless ($map) {
1882	# restore original map position	2655	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1895		2668
1896	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1899		2672
1900	$map->load;	2673	$map->load;
1901	$map->load_diag;	2674	$map->load_neighbours;
1902		2675
1903	return unless $self->contr->active;	2676	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2677
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1908	}	2680	# entering was successful
1909		2681	delete $self->{_link_recursion};
1910	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2683	$self->activate_recursive;
1912	my ($pl) = @_;
1913
1914	# abort map switching before logout
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},	2684	}
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2685
1924	# try to abort aborted map switching on player login :)	2686	}
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2687
1942	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1944	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1945		2702
1946	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2714
1949	$self->enter_link;	2715	$self->enter_link;
1950		2716
1951	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1952	my $map = eval {	2739	my $map = eval {
1953	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1955	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2755	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1960	})->prio (1);	2763	})->prio (1);
1961	}	2764	}
1962		2765
1963	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1964		2767
…		…
1984	}	2787	}
1985		2788
1986	sub prepare_random_map {	2789	sub prepare_random_map {
1987	my ($exit) = @_;	2790	my ($exit) = @_;
1988		2791
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2794	# that depends on the exit object
1994		2795
1995	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2798	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2002	}	2805	}
2003		2806
2004	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2005		2808
2006	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2009		2812
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2815	undef $fh;
2013	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2014		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2017	}	2824	}
2018	}	2825	}
2019		2826
2020	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2022		2829
2023	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2024		2831
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2832	$self->enter_link;
2037		2833
2038	(async {	2834	(async {
2039	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2040	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2041	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2042		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2043	1;	2858	1
2044	}) {	2859	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2864
2050	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2051	$self->leave_link;	2866	$self->leave_link;
2052	}	2867	}
2053	})->prio (1);	2868	})->prio (1);
2054	}	2869	}
2055		2870
…		…
2069		2884
2070	utf8::encode $text;	2885	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2887	}
2073		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2074	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2075		3077
2076	Sends an exti event to the client.	3078	Sends an ext event to the client.
2077		3079
2078	=cut	3080	=cut
2079		3081
2080	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2082		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2085	}	3109	}
2086		3110
2087	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2088		3112
2089	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		3116
2093	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	3118	become reliable at some point in the future.
2095		3119
2096	=cut	3120	=cut
2097		3121
2098	sub cf::client::query {	3122	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3131	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3133
2110	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2112	}	3138	}
2113		3139
2114	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2115	on_reply => sub {	3146	on_reply => sub {
2116	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2117		3148
2118	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2119	# get handled first	3150	# get handled first
…		…
2131	} else {	3162	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3164	}
2134	}	3165	}
2135	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2136	);	3193	);
2137		3194
2138	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2139		3196
2140	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3213
2157	$coro	3214	$coro
2158	}	3215	}
2159		3216
2160	cf::client->attach (	3217	cf::client->attach (
2161	on_destroy => sub {	3218	on_client_destroy => sub {
2162	my ($ns) = @_;	3219	my ($ns) = @_;
2163		3220
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3222	},
2166	);	3223	);
…		…
2181	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2183		3240
2184	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2185		3242
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2187		3248
2188	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2189		3250
2190	=pod	3251	=pod
2191		3252
2192	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2193		3254
2194	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2195	cf::object::player player	3260	cf::object::player
2196	cf::player peaceful	3261	player
2197	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2198		3268
2199	=cut	3269	=cut
2200		3270
2201	for (	3271	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2206	) {	3278	) {
2207	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2210	for @funs;	3281	for @funs;
2211	}	3282	}
2212		3283
…		…
2227		3298
2228	my $qcode = $code;	3299	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2231		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2232	local $_;	3306	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3307
2235	my $eval =	3308	my $eval =
2236	"do {\n"	3309	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3312	. $code
2240	. "\n}"	3313	. "\n}"
2241	;	3314	;
2242		3315
		3316	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2246		3325
2247	if ($@) {	3326	if ($@) {
2248	warn "$@";	3327	warn "$@",
2249	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2250	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2251	}	3330	}
2252		3331
2253	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2254	}	3333	}
2255		3334
…		…
2269	=cut	3348	=cut
2270		3349
2271	sub register_script_function {	3350	sub register_script_function {
2272	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2273		3352
2274	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2276	}	3355	}
2277		3356
2278	=back	3357	=back
2279		3358
2280	=cut	3359	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3360
2455	#############################################################################	3361	#############################################################################
2456	# the server's init and main functions	3362	# the server's init and main functions
2457		3363
2458	sub load_facedata($) {	3364	sub load_facedata($) {
2459	my ($path) = @_;	3365	my ($path) = @_;
2460		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2461	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2462		3374
2463	my $facedata;	3375	my $facedata;
2464	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2465	or die "$path: $!";	3377	or die "$path: $!";
2466		3378
2467	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2468		3380
2469	$facedata->{version} == 2	3381	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2472	{	3393	{
2473	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2474		3395
2475	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3403
		3404	cf::cede_to_tick;
2481	}	3405	}
2482		3406
2483	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2485	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2486	or next;	3411	or next;
		3412
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3416	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3418	}
2492	Coro::cede;	3419
		3420	cf::cede_to_tick;
2493	}	3421	}
2494	}	3422	}
2495		3423
2496	{	3424	{
2497	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2498		3426
2499	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3429	cf::cede_to_tick;
2502	}	3430	}
2503		3431
2504	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2505	}	3433	}
2506		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2507	1	3454	1
2508	}	3455	}
2509		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2510	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2511	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2513	}	3487	}
2514		3488
2515	sub reload_facedata {	3489	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2525	sub reload_treasures {	3499	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2528	}	3502	}
2529		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2530	sub reload_resources {	3527	sub reload_resources {
2531	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2532		3529
		3530	reload_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
2533	reload_regions;	3535	reload_regions;
2534	reload_facedata;
2535	reload_archetypes;
2536	reload_treasures;	3536	reload_treasures;
2537		3537
2538	warn "finished reloading resource files\n";	3538	trace "finished reloading resource files\n";
2539	}	3539	}
2540		3540
2541	sub init {	3541	sub reload_config {
2542	reload_resources;	3542	trace "reloading config file...\n";
2543	}
2544		3543
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3545	or return;
2548		3546
2549	local $/;	3547	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2551		3549
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553		3551
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556		3554
2557	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2560	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2561	};	3559	};
2562	warn $@ if $@;	3560	warn $@ if $@;
2563	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2564	}	3592	}
2565		3593
2566	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2567	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3607	(async {
2571	Event::one_event;	3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3610	})->prio (Coro::PRIO_MAX);
2573	};	3611	};
2574		3612
2575	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
		3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
2576	db_init;	3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2577	load_extensions;	3636	load_extensions;
2578		3637
2579	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2580	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2581	}	3656	}
2582		3657
2583	#############################################################################	3658	#############################################################################
2584	# initialisation and cleanup	3659	# initialisation and cleanup
2585		3660
2586	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2587	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2596	},
2597	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2598	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2599	}	3757	}
2600		3758
2601	sub emergency_save() {	3759	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2603		3761
2604	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2605		3768
2606	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2607	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3780	$pl->save;
2615	}	3781	}
2616	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2617		3783
2618	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3789	$map->valid or next;
2622	$map->save;	3790	$map->save;
2623	}	3791	}
2624	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2625		3793
2626	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2629	};	3822	};
2630		3823
2631	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2632	}	3825	}
2633		3826
2634	sub post_cleanup {	3827	sub post_cleanup {
2635	my ($make_core) = @_;	3828	my ($make_core) = @_;
2636		3829
		3830	IO::AIO::flush;
		3831
2637	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
2639	}	3862	}
2640		3863
2641	sub do_reload_perl() {	3864	sub do_reload_perl() {
2642	# can/must only be called in main	3865	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2644	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2645	return;	3868	return;
2646	}	3869	}
2647		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2648	warn "reloading...";	3877	info "reloading...";
2649		3878
2650	warn "entering sync_job";	3879	trace "entering sync_job";
2651		3880
2652	cf::sync_job {	3881	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark
2654	cf::emergency_save;	3882	#cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark
2656		3883
2657	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660	# if anything goes wrong in here, we should simply crash as we already saved
2661
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();	3886	%EXT_CORO = ();
2681		3887
2682	warn "removing commands";	3888	trace "removing commands";
2683	%COMMAND = ();	3889	%COMMAND = ();
2684		3890
2685	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2686	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2687		3894
2688	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2691		3898
2692	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2693	eval {	3900	eval {
2694	$cb->($pkg);	3901	$cb->($pkg);
2695	1	3902	1
2696	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2697	}	3908	}
2698		3909
2699	warn "... nuking $pkg";
2700	Symbol::delete_package $pkg;
2701	}
2702
2703	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2704	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3913
2707	warn "... unloading $k";	3914	trace "... unloading $k";
2708	delete $INC{$k};	3915	delete $INC{$k};
2709		3916
2710	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2712		3919
2713	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2714	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2715	}	3925	}
2716		3926
2717	Symbol::delete_package $k;
2718	}
2719
2720	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3930
2724	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3934
2728	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3936	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2731		3938
2732	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2733		3940
2734	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2735	require cf;	3942	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2737		3944
2738	warn "loading config and database again";	3945	trace "loading config and database again";
2739	cf::cfg_load;	3946	cf::reload_config;
2740		3947
2741	warn "loading extensions";	3948	trace "loading extensions";
2742	cf::load_extensions;	3949	cf::load_extensions;
2743		3950
		3951	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3953	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3956	trace "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3957	reattach $_ for values %PLAYER;
		3958	}
2750		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
2751	warn "leaving sync_job";	3963	trace "leaving sync_job";
2752		3964
2753	1	3965	1
2754	} or do {	3966	} or do {
2755	warn $@;	3967	error $@;
2756	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2757	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
2758	};	3973	}
2759		3974
2760	warn "reloaded";	3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
2761	};	3977	};
2762		3978
2763	our $RELOAD_WATCHER; # used only during reload	3979	our $RELOAD_WATCHER; # used only during reload
2764		3980
2765	sub reload_perl() {	3981	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3982	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3983	# coro crashes during coro_state_free->destroy here.
2768		3984
2769	$RELOAD_WATCHER ||= Event->timer (	3985	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3986	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3987
2772	data => WF_AUTOCANCEL,	3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3989	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3990	undef $RELOAD_WATCHER;
2776	},	3991	};
2777	);	3992	};
2778	}	3993	}
2779		3994
2780	register_command "reload" => sub {	3995	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2782		3997
2783	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	4002	reload_perl;
		4003	};
2786	}	4004	}
2787	};	4005	};
2788		4006
2789	unshift @INC, $LIBDIR;	4007	#############################################################################
2790		4008
2791	my $bug_warning = 0;	4009	my $bug_warning = 0;
2792		4010
2793	our @WAIT_FOR_TICK;	4011	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	4012	our @WAIT_FOR_TICK_BEGIN;
2795		4013
2796	sub wait_for_tick {	4014	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		4016
2800	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	4018	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	4019	$signal->wait;
2803	}	4020	}
2804		4021
2805	sub wait_for_tick_begin {	4022	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		4024
2809	my $signal = new Coro::Signal;	4025	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	4026	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	4027	$signal->wait;
2812	}	4028	}
2813		4029
2814	$TICK_WATCHER = Event->timer (	4030	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2824	return;	4034	return;
2825	}	4035	}
2826		4036
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2830		4038
2831	$RUNTIME += $TICK;	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		4040
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	4043	Coro::async_pool {
		4044	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	4045	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2839	};
2840	}	4047	};
		4048	}
2841		4049
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	4051	$sig->send;
2853	}	4052	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	4053	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	4054	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	4055	}
2860	);	4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
		4066	}
		4067	}
2861		4068
2862	{	4069	{
2863	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4071
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
2873		4073	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4075
2889	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		4083
2892	cf::sync_job {	4084	cf::sync_job {
2893	eval {	4085	eval {
2894	BDB::db_env_open	4086	BDB::db_env_open
2895	$DB_ENV,	4087	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4091	0666;
2900		4092
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4094	};
2906		4095
2907	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4097	};
2909	}	4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
2910	}	4109	}
2911		4110
2912	{	4111	{
		4112	# configure IO::AIO
		4113
2913	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4117	}
2919	data => WF_AUTOCANCEL,	4118
2920	fd => IO::AIO::poll_fileno,	4119	my $_log_backtrace;
2921	poll => 'r',	4120
2922	prio => 6,	4121	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	4122	my ($msg, @addr) = @_;
2924	);	4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
2925	}	4159	}
2926		4160
2927	# load additional modules	4161	# load additional modules
2928	use cf::pod;	4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2929		4164
2930	END { cf::emergency_save }	4165	END { cf::emergency_save }
2931		4166
2932	1	4167	1
2933		4168

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