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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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);
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-\x08\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 {
…		…
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 ($self) = @_;
…		…
1359		1950
1360	# the temporary/swap location	1951	# the temporary/swap location
1361	sub save_path {	1952	sub save_path {
1362	my ($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.map"	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 $self->default_region;
1452		2048
1453	1	2049	1
1454	}	2050	}
…		…
1457	sub find {	2053	sub find {
1458	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1459		2055
1460	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1461		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2060
1464	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1467	or return;	2063	or return;
1468		2064
1469	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1470		2066
1471	$map->load_header	2067	$map->load_header
1472	or return;	2068	or return;
1473		2069
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1477	$map->reset;	2075	$map->reset;
1478	undef $guard;
1479	return find $path;	2076	return find $path;
1480	}	2077	}
1481		2078
1482	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1483	}	2080	}
1484	}	2081	}
1485		2082
1486	sub pre_load { }	2083	sub pre_load { }
1487	sub post_load { }	2084	#sub post_load { } # XS
1488		2085
1489	sub load {	2086	sub load {
1490	my ($self) = @_;	2087	my ($self) = @_;
1491		2088
1492	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1493		2090
1494	my $path = $self->{path};	2091	my $path = $self->{path};
1495		2092
1496	{	2093	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1498		2095
		2096	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2098
1501	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1502		2100
1503	$self->alloc;	2101	$self->alloc;
1504		2102
1505	$self->pre_load;	2103	$self->pre_load;
1506	Coro::cede;	2104	cf::cede_to_tick;
1507		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2108	$self->_load_objects ($f)
1509	or return;	2109	or return;
1510		2110
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1512	if delete $self->{load_original};	2112	if delete $self->{load_original};
1513		2113
1514	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2115	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2118	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1519	}	2122	}
1520	}	2123	}
1521		2124
1522	Coro::cede;	2125	$f->resolve_delayed_derefs;
		2126
		2127	cf::cede_to_tick;
1523	# now do the right thing for maps	2128	# now do the right thing for maps
1524	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2131	unless $self->difficulty;
1527	Coro::cede;	2132	cf::cede_to_tick;
1528		2133
1529	unless ($self->{deny_activate}) {	2134	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2135	$self->decay_objects;
1531	$self->fix_auto_apply;	2136	$self->fix_auto_apply;
1532	$self->update_buttons;	2137	$self->update_buttons;
1533	Coro::cede;	2138	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2139	$self->activate;
1537	}	2140	}
1538		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2146	}
1541		2147
1542	$self->post_load;	2148	$self->post_load;
1543	}	2149	}
1544		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2154	sub customise_for {
1546	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1547		2156
1548	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2158	if $self->per_player;
1550		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1551	$self	2163	$self
1552	}	2164	}
1553		2165
1554	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2167	sub load_neighbours {
1556	my ($map) = @_;	2168	my ($map) = @_;
1557		2169
1558	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1559		2171
1560	for (0 .. 3) {	2172	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1562	or next;	2174	or next;
1563	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1564	or next;	2176	or next;
1565	$neigh->load;	2177	$neigh->load;
1566		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2183	}
1570		2184
1571	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1573	or next;	2188	or next;
1574	$neigh->load;	2189	$neigh->load;
1575	}	2190	}
1576	}	2191	}
1577		2192
1578	sub find_sync {	2193	sub find_sync {
1579	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1580		2195
1581	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1582	}	2200	}
1583		2201
1584	sub do_load_sync {	2202	sub do_load_sync {
1585	my ($map) = @_;	2203	my ($map) = @_;
1586		2204
1587	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1588	}	2209	}
1589		2210
1590	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1592		2213
1593	sub find_async {	2214	sub find_async {
1594	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1595		2216
1596	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1597		2218
1598	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2221	}
1601		2222
1602	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1603	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1604	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2230	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2231	$map->load if $v;
		2232	}
1609		2233
1610	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1611	}	2235	}
1612	}	2236	}
1613	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1614	};	2238	};
1615	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1616		2240
1617	()	2241	()
1618	}	2242	}
1619		2243
		2244	# common code, used by both ->save and ->swapout
1620	sub save {	2245	sub _save {
1621	my ($self) = @_;	2246	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2247
1625	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1626		2249
1627	return unless $self->dirty;	2250	return unless $self->dirty;
1628		2251
…		…
1634	return if $self->{deny_save};	2257	return if $self->{deny_save};
1635		2258
1636	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1637		2260
1638	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1640	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1641		2267
1642	if ($uniq) {	2268	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2271	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2273	}
1648	}	2274	}
1649		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1650	sub swap_out {	2284	sub swap_out {
1651	my ($self) = @_;	2285	my ($self) = @_;
1652		2286
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1658	return if $self->players;	2291	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1662	$self->clear;	2302	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2303	}
1665		2304
1666	sub reset_at {	2305	sub reset_at {
1667	my ($self) = @_;	2306	my ($self) = @_;
1668		2307
1669	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1672		2310
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2313
…		…
1686	my ($self) = @_;	2324	my ($self) = @_;
1687		2325
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2327
1690	return if $self->players;	2328	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2329
1693	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
1694		2331
1695	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1696		2333
1697	# need to save uniques path	2334	# need to save uniques path
1698	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2339	if $uniq;
1703	}	2340	}
1704		2341
1705	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1706		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2346	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2347
1711	$self->unlink_save;	2348	$self->unlink_save;
1712	$self->destroy;	2349	$self->destroy;
1713	}	2350	}
1714		2351
1715	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1716		2353
1717	sub nuke {	2354	sub nuke {
1718	my ($self) = @_;	2355	my ($self) = @_;
1719		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1720	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1721		2361
1722	$self->unlink_save;	2362	$self->unlink_save;
1723		2363
1724	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2369
1730	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1731		2372
1732	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
		2374	}
		2375
		2376	=item $maps = cf::map::tmp_maps
		2377
		2378	Returns an arrayref with all map paths of currently instantiated and saved
		2379	maps. May block.
		2380
		2381	=cut
		2382
		2383	sub tmp_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	/\.map$/
		2388	? normalise $_
		2389	: ()
		2390	} @{ aio_readdir $TMPDIR or [] }
		2391	]
		2392	}
		2393
		2394	=item $maps = cf::map::random_maps
		2395
		2396	Returns an arrayref with all map paths of currently instantiated and saved
		2397	random maps. May block.
		2398
		2399	=cut
		2400
		2401	sub random_maps() {
		2402	[
		2403	map {
		2404	utf8::decode $_;
		2405	/\.map$/
		2406	? normalise "?random/$_"
		2407	: ()
		2408	} @{ aio_readdir $RANDOMDIR or [] }
		2409	]
1733	}	2410	}
1734		2411
1735	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1736		2413
1737	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2415	instantiated unique items. May block.
1739		2416
1740	=cut	2417	=cut
1741		2418
1742	sub unique_maps() {	2419	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2420	[
1744	or return;	2421	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2422	utf8::decode $_;
1750	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2425	? ()
1753	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2428	]
1755
1756	\@paths
1757	}	2429	}
1758		2430
1759	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
1760		2462
1761	=back	2463	=back
1762		2464
1763	=head3 cf::object	2465	=head3 cf::object
1764		2466
…		…
1768		2470
1769	=over 4	2471	=over 4
1770		2472
1771	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1772		2474
1773	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
1774		2477
1775	=cut	2478	=cut
1776		2479
1777	sub inv_recursive_;	2480	sub inv_recursive_;
1778	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1781		2484
1782	sub inv_recursive {	2485	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1784	}	2487	}
1785		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
1786	package cf;	2517	package cf;
1787		2518
1788	=back	2519	=back
1789		2520
1790	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1799		2530
1800	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
1801		2546
1802	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2548	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1807		2552
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2554
1810	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1812	} else {	2558	} else {
		2559	my $pl = $self->contr;
		2560
		2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2562	my $dialog = $pl->{npc_dialog};
		2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2564
		2565	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1815	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
1816	}	2580	}
1817		2581
1818	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1819		2583
1820	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1833		2597
1834	=item $player_object->enter_link	2598	=item $player_object->enter_link
1835		2599
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2601
1838	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
1840		2606
1841	Will never block.	2607	Will never block.
1842		2608
1843	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1844		2610
…		…
1864	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2631	my ($self) = @_;
1866		2632
1867	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1868		2634
		2635	++$self->{_link_recursion};
		2636
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2638
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2640	if $self->map && $self->map->{path} ne "{link}";
1873		2641
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2643	}
1876		2644
1877	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
		2647
		2648	return unless $self->contr->active;
1879		2649
1880	my $link_pos = delete $self->{_link_pos};	2650	my $link_pos = delete $self->{_link_pos};
1881		2651
1882	unless ($map) {	2652	unless ($map) {
1883	# restore original map position	2653	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1896		2666
1897	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1900		2670
1901	$map->load;	2671	$map->load;
1902	$map->load_diag;	2672	$map->load_neighbours;
1903		2673
1904	return unless $self->contr->active;	2674	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2675
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
1909	}	2678	# entering was successful
1910		2679	delete $self->{_link_recursion};
1911	cf::player->attach (	2680	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2681	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2682	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2683
1925	# try to abort aborted map switching on player login :)	2684	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2685
1943	=item $player_object->goto ($path, $x, $y)	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2687
		2688	Moves the player to the given map-path and coordinates by first freezing
		2689	her, loading and preparing them map, calling the provided $check callback
		2690	that has to return the map if sucecssful, and then unfreezes the player on
		2691	the new (success) or old (failed) map position. In either case, $done will
		2692	be called at the end of this process.
		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
1945	=cut	2697	=cut
		2698
		2699	our $GOTOGEN;
1946		2700
1947	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
		2710	# do generation counting so two concurrent goto's will be executed in-order
		2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2712
1950	$self->enter_link;	2713	$self->enter_link;
1951		2714
1952	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
1953	my $map = eval {	2737	my $map = eval {
1954	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
		2739
		2740	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2741	$map = $map->customise_for ($self);
		2742	$map = $check->($map, $x, $y, $self) if $check && $map;
		2743	} else {
		2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2745	}
		2746
1956	$map	2747	$map
		2748	};
		2749
		2750	if ($@) {
		2751	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2753	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2754
		2755	if ($gen == $self->{_goto_generation}) {
		2756	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
		2758	}
		2759
		2760	$done->($self) if $done;
1961	})->prio (1);	2761	})->prio (1);
1962	}	2762	}
1963		2763
1964	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1965		2765
…		…
1985	}	2785	}
1986		2786
1987	sub prepare_random_map {	2787	sub prepare_random_map {
1988	my ($exit) = @_;	2788	my ($exit) = @_;
1989		2789
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2792	# that depends on the exit object
1995		2793
1996	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2796	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
2003	}	2803	}
2004		2804
2005	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
2006		2806
2007	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
2010		2810
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2813	undef $fh;
2014	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
2015		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
2018	}	2822	}
2019	}	2823	}
2020		2824
2021	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2023		2827
2024	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2025		2829
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2830	$self->enter_link;
2038		2831
2039	(async {	2832	(async {
2040	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2041	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2042	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2043		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2044	1;	2856	1
2045	}) {	2857	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2862
2051	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2864	$self->leave_link;
2053	}	2865	}
2054	})->prio (1);	2866	})->prio (1);
2055	}	2867	}
2056		2868
…		…
2070		2882
2071	utf8::encode $text;	2883	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2885	}
2074		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
		2910	}
		2911
		2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2913
		2914	Send a drawinfo or msg packet to the client, formatting the msg for the
		2915	client if neccessary. C<$type> should be a string identifying the type of
		2916	the message, with C<log> being the default. If C<$color> is negative, suppress
		2917	the message unless the client supports the msg packet.
		2918
		2919	=cut
		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
		3035	sub cf::client::send_msg {
		3036	my ($self, $channel, $msg, $color, @extra) = @_;
		3037
		3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
		3040
		3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
		3050	} elsif (ref $channel) {
		3051	# send meta info to client, if not yet sent
		3052	unless (exists $self->{channel}{$channel->{id}}) {
		3053	$self->{channel}{$channel->{id}} = $channel;
		3054	$self->ext_msg (channel_info => $channel);
		3055	}
		3056
		3057	$channel = $channel->{id};
		3058	}
		3059
		3060	return unless @extra || length $msg;
		3061
		3062	# default colour, mask it out
		3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3064	if $color & cf::NDI_DEF;
		3065
		3066	my $pkt = "msg "
		3067	. $self->{json_coder}->encode (
		3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3069	);
		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
2075	=item $client->ext_event ($type, %msg)	3074	=item $client->ext_msg ($type, @msg)
2076		3075
2077	Sends an exti event to the client.	3076	Sends an ext event to the client.
2078		3077
2079	=cut	3078	=cut
2080		3079
2081	sub cf::client::ext_event($$%) {	3080	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3081	my ($self, $type, @msg) = @_;
2083		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3086	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
2086	}	3107	}
2087		3108
2088	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2089		3110
2090	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3112	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3113	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3114
2094	Queries can fail, so check the return code. Or don't, as queries will become	3115	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3116	become reliable at some point in the future.
2096		3117
2097	=cut	3118	=cut
2098		3119
2099	sub cf::client::query {	3120	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3129	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3131
2111	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2113	}	3136	}
2114		3137
2115	cf::client->attach (	3138	cf::client->attach (
		3139	on_connect => sub {
		3140	my ($ns) = @_;
		3141
		3142	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3143	},
2116	on_reply => sub {	3144	on_reply => sub {
2117	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2118		3146
2119	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2120	# get handled first	3148	# get handled first
…		…
2132	} else {	3160	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3162	}
2135	}	3163	}
2136	},	3164	},
		3165	on_exticmd => sub {
		3166	my ($ns, $buf) = @_;
		3167
		3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3169
		3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
		3178	if (my $cb = $EXTICMD{$type}) {
		3179	@reply = $cb->($ns, @payload);
		3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
		3185	} else {
		3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3187	}
		3188
		3189	cf::override;
		3190	},
2137	);	3191	);
2138		3192
2139	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2140		3194
2141	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3211
2158	$coro	3212	$coro
2159	}	3213	}
2160		3214
2161	cf::client->attach (	3215	cf::client->attach (
2162	on_destroy => sub {	3216	on_client_destroy => sub {
2163	my ($ns) = @_;	3217	my ($ns) = @_;
2164		3218
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3220	},
2167	);	3221	);
…		…
2182	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2184		3238
2185	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2186		3240
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2188		3246
2189	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2190		3248
2191	=pod	3249	=pod
2192		3250
2193	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2194		3252
2195	cf::object contr pay_amount pay_player map	3253	cf::object
		3254	contr pay_amount pay_player map x y force_find force_add destroy
		3255	insert remove name archname title slaying race decrease split
		3256	value
		3257
2196	cf::object::player player	3258	cf::object::player
2197	cf::player peaceful	3259	player
2198	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2199		3266
2200	=cut	3267	=cut
2201		3268
2202	for (	3269	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2207	) {	3276	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3279	for @funs;
2212	}	3280	}
2213		3281
…		…
2228		3296
2229	my $qcode = $code;	3297	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2232		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2233	local $_;	3304	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3305
2236	my $eval =	3306	my $eval =
2237	"do {\n"	3307	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3310	. $code
2241	. "\n}"	3311	. "\n}"
2242	;	3312	;
2243		3313
		3314	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2247		3323
2248	if ($@) {	3324	if ($@) {
2249	warn "$@";	3325	warn "$@",
2250	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2252	}	3328	}
2253		3329
2254	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2255	}	3331	}
2256		3332
…		…
2270	=cut	3346	=cut
2271		3347
2272	sub register_script_function {	3348	sub register_script_function {
2273	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2274		3350
2275	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2277	}	3353	}
2278		3354
2279	=back	3355	=back
2280		3356
2281	=cut	3357	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3358
2456	#############################################################################	3359	#############################################################################
2457	# the server's init and main functions	3360	# the server's init and main functions
2458		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2459	sub load_facedata($) {	3404	sub load_facedata($) {
2460	my ($path) = @_;	3405	my ($path) = @_;
2461		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2462	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2463		3414
2464	my $facedata;	3415	my $facedata;
2465	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2466	or die "$path: $!";	3417	or die "$path: $!";
2467		3418
2468	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2469		3420
2470	$facedata->{version} == 2	3421	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2473	{	3433	{
2474	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2475		3435
2476	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3443
		3444	cf::cede_to_tick;
2482	}	3445	}
2483		3446
2484	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2486	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2487	or next;	3451	or next;
		3452
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3456	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3458	}
2493	Coro::cede;	3459
		3460	cf::cede_to_tick;
2494	}	3461	}
2495	}	3462	}
2496		3463
2497	{	3464	{
2498	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2499		3466
2500	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3469	cf::cede_to_tick;
2503	}	3470	}
2504		3471
2505	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2506	}	3473	}
2507		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2508	1	3494	1
2509	}	3495	}
2510		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2511	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2512	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
2514	}	3527	}
2515		3528
2516	sub reload_facedata {	3529	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
…		…
2526	sub reload_treasures {	3539	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2529	}	3542	}
2530		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2531	sub reload_resources {	3567	sub reload_resources {
2532	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2533		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
2534	reload_regions;	3573	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3574	reload_treasures;
2538		3575
2539	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
2540	}	3577	}
2541		3578
2542	sub init {	3579	sub reload_config {
2543	reload_resources;	3580	trace "reloading config file...\n";
2544	}
2545		3581
2546	sub cfg_load {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3583	or return;
2549		3584
2550	local $/;	3585	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2552		3587
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3589
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557		3592
2558	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2561	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2562	};	3597	};
2563	warn $@ if $@;	3598	warn $@ if $@;
2564	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2565	}	3630	}
2566		3631
2567	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2568	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3645	(async {
2572	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2574	};	3649	};
2575		3650
2576	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2577	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2578	load_extensions;	3676	load_extensions;
2579		3677
2580	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2581	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2582	}	3696	}
2583		3697
2584	#############################################################################	3698	#############################################################################
2585	# initialisation and cleanup	3699	# initialisation and cleanup
2586		3700
2587	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2588	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2597	},
2598	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2599	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2600	}	3797	}
2601		3798
2602	sub emergency_save() {	3799	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2604		3801
2605	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2606		3808
2607	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2608	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3820	$pl->save;
2616	}	3821	}
2617	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2618		3823
2619	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3829	$map->valid or next;
2623	$map->save;	3830	$map->save;
2624	}	3831	}
2625	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2626		3833
2627	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2630	};	3862	};
2631		3863
2632	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2633	}	3865	}
2634		3866
2635	sub post_cleanup {	3867	sub post_cleanup {
2636	my ($make_core) = @_;	3868	my ($make_core) = @_;
2637		3869
		3870	IO::AIO::flush;
		3871
2638	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
2640	}	3902	}
2641		3903
2642	sub do_reload_perl() {	3904	sub do_reload_perl() {
2643	# can/must only be called in main	3905	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2645	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2646	return;	3908	return;
2647	}	3909	}
2648		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2649	warn "reloading...";	3916	info "reloading...";
2650		3917
2651	warn "entering sync_job";	3918	trace "entering sync_job";
2652		3919
2653	cf::sync_job {	3920	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	3921	cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		3922
2658	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661	# if anything goes wrong in here, we should simply crash as we already saved
2662
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	3925	%EXT_CORO = ();
2682		3926
2683	warn "removing commands";	3927	trace "removing commands";
2684	%COMMAND = ();	3928	%COMMAND = ();
2685		3929
2686	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2687	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2688		3933
2689	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2692		3937
2693	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2694	eval {	3939	eval {
2695	$cb->($pkg);	3940	$cb->($pkg);
2696	1	3941	1
2697	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2698	}	3947	}
2699		3948
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3952
2708	warn "... unloading $k";	3953	trace "... unloading $k";
2709	delete $INC{$k};	3954	delete $INC{$k};
2710		3955
2711	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2713		3958
2714	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2716	}	3964	}
2717		3965
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3969
2725	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		3973
2729	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3975	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2732		3977
2733	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2734		3979
2735	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2736	require cf;	3981	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2738		3983
2739	warn "loading config and database again";	3984	trace "loading config and database again";
2740	cf::cfg_load;	3985	cf::reload_config;
2741		3986
2742	warn "loading extensions";	3987	trace "loading extensions";
2743	cf::load_extensions;	3988	cf::load_extensions;
2744		3989
		3990	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2751		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
2752	warn "leaving sync_job";	4002	trace "leaving sync_job";
2753		4003
2754	1	4004	1
2755	} or do {	4005	} or do {
2756	warn $@;	4006	error $@;
2757	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2758	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
2759	};	4012	}
2760		4013
2761	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
2762	};	4016	};
2763		4017
2764	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
2765		4019
2766	sub reload_perl() {	4020	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
2769		4023
2770	$RELOAD_WATCHER ||= Event->timer (	4024	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	4025	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	4026
2773	data => WF_AUTOCANCEL,	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	4028	do_reload_perl;
2776	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
2777	},	4030	};
2778	);	4031	};
2779	}	4032	}
2780		4033
2781	register_command "reload" => sub {	4034	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2783		4036
2784	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4041	reload_perl;
		4042	};
2787	}	4043	}
2788	};	4044	};
2789		4045
2790	unshift @INC, $LIBDIR;	4046	#############################################################################
2791		4047
2792	my $bug_warning = 0;	4048	my $bug_warning = 0;
2793		4049
2794	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
2796		4052
2797	sub wait_for_tick {	4053	sub wait_for_tick {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800		4055
2801	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	4058	$signal->wait;
2804	}	4059	}
2805		4060
2806	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809		4063
2810	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4066	$signal->wait;
2813	}	4067	}
2814		4068
2815	$TICK_WATCHER = Event->timer (	4069	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2825	return;	4073	return;
2826	}	4074	}
2827		4075
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2831		4077
2832	$RUNTIME += $TICK;	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833	$NEXT_TICK += $TICK;
2834		4079
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4082	Coro::async_pool {
		4083	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4084	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4085	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4086	};
		4087	}
2842		4088
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4090	$sig->send;
2854	}	4091	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	4092	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	4093	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4094	}
2861	);	4095
		4096	$LOAD = ($NOW - $TICK_START) / $TICK;
		4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4098
		4099	if (0) {
		4100	if ($NEXT_TICK) {
		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
		4105	}
		4106	}
2862		4107
2863	{	4108	{
2864	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4110
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
2874		4112	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4114
2890	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		4122
2893	cf::sync_job {	4123	cf::sync_job {
2894	eval {	4124	eval {
2895	BDB::db_env_open	4125	BDB::db_env_open
2896	$DB_ENV,	4126	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4130	0666;
2901		4131
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4133	};
2907		4134
2908	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4136	};
2910	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
2911	}	4148	}
2912		4149
2913	{	4150	{
		4151	# configure IO::AIO
		4152
2914	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	4156	}
		4157
		4158	my $_log_backtrace;
2927		4159
2928	sub _log_backtrace {	4160	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	4161	my ($msg, @addr) = @_;
2930		4162
		4163	$msg =~ s/\n//;
		4164
		4165	# limit the # of concurrent backtraces
		4166	if ($_log_backtrace < 2) {
		4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
2931	async {	4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
2932	my @bt = fork_call {	4172	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	4173	@addr = map { sprintf "%x", $_ } @addr;
		4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	4176	or die "addr2line: $!";
2936		4177
2937	my @funcs;	4178	my @funcs;
2938	my @res = <$fh>;	4179	my @res = <$fh>;
2939	chomp for @res;	4180	chomp for @res;
2940	while (@res) {	4181	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	4182	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	4183	push @funcs, "[$func] $line";
		4184	}
		4185
		4186	@funcs
2943	}	4187	};
2944		4188
2945	@funcs	4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4191	LOG llevInfo, "[ABT] $_\n" for @bt;
		4192	--$_log_backtrace;
2946	};	4193	};
2947		4194	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	4195	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	4196	LOG llevInfo, "[ABT] [suppressed]\n";
2952	};	4197	}
2953	}	4198	}
2954		4199
2955	# load additional modules	4200	# load additional modules
2956	use cf::pod;	4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
2957		4203
2958	END { cf::emergency_save }	4204	END { cf::emergency_save }
2959		4205
2960	1	4206	1
2961		4207

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