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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=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
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$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;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	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	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		295
194	# 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
195	# within the Safe compartment.	297	# within the Safe compartment.
196	for my $pkg (qw(	298	for my $pkg (qw(
197	cf::global cf::attachable	299	cf::global cf::attachable
198	cf::object cf::object::player	300	cf::object cf::object::player
199	cf::client cf::player	301	cf::client cf::player
200	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
201	cf::map cf::party cf::region	304	cf::party cf::region
202	)) {	305	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	307	}
206		308
207	$Event::DIED = sub {	309	$EV::DIED = sub {
208	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
209	};	311	};
		312
		313	#############################################################################
210		314
211	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
212		316
213	=over 4	317	=over 4
214		318
…		…
233	$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;
234	$d	338	$d
235	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
236	}	340	}
237		341
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
241		343
242	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
243		345
244	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
245		347
246	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	371	=item cf::lock_wait $string
249		372
250	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
251		374
252	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
253		376
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
257	returned.	380	returned.
258		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
259	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
260	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
261		387
262	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
263		389
264	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.
265		391
266	=cut	392	=cut
267		393
268	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
269		395
270	sub lock_wait($) {	396	sub lock_wait($) {
271	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	398	}
279		399
280	sub lock_acquire($) {	400	sub lock_acquire($) {
281	my ($key) = @_;	401	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	402	}
293		403
294	sub lock_active($) {	404	sub lock_active($) {
295	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	406	}
299		407
300	sub freeze_mainloop {	408	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
302		410
303	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
305	};	478	}
306	$TICK_WATCHER->stop;	479	};
307	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
308	}	494	}
309		495
310	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
311		497
312	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		503
318	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
319		505
320	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
321		507
322	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
325		512
326	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
329	fast or be very important.	516	fast or be very important.
…		…
331	=cut	518	=cut
332		519
333	sub sync_job(&) {	520	sub sync_job(&) {
334	my ($job) = @_;	521	my ($job) = @_;
335		522
336	if ($Coro::current == $Coro::main) {	523	if (in_main) {
337	my $time = Event::time;	524	my $time = AE::time;
338		525
339	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
341		528
342	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	530
344	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
345		532
346	my $busy = 1;	533	my $busy = 1;
347	my @res;	534	my @res;
348		535
349	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	538	@res = eval { $job->() };
351	warn $@ if $@;	539	error $@ if $@;
352	undef $busy;	540	undef $busy;
353	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
354		542
355	while ($busy) {	543	while ($busy) {
356	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
357	}	548	}
		549	}
358		550
359	$time = Event::time - $time;	551	my $time = AE::time - $time;
360		552
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
365		554
366	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
367	} else {	556	} else {
368	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
369		558
…		…
389	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
390		579
391	$coro	580	$coro
392	}	581	}
393		582
394	sub write_runtime {	583	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		584
397	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		589
400	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
401		591
402	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
403		594
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
405	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
406		598
407	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
409	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
410		603
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
412	and return;	605	}
413		606
414	# always fsync - this file is important	607	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	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"
430	}	772	}
431		773
432	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
433		775
434	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.
435		777
436	=cut	778	=cut
437		779
438	sub datalog($@) {	780	sub datalog($@) {
439	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	783	}
442		784
443	=back	785	=back
444		786
445	=cut	787	=cut
446		788
447	#############################################################################	789	#############################################################################
448		790
449	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
450		792
451	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
452	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")
453	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
454		796
455	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>
456	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
457	crossfire+).	799	Deliantra).
458		800
459	=over 4	801	=over 4
460		802
461	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
462		804
…		…
506	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
507		849
508	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
510		852
511	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		855
514	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
515		857
516	=over 4	858	=over 4
…		…
640		982
641	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		985
644	} elsif (ref $type) {	986	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
646		988
647	} else {	989	} else {
648	shift @arg;	990	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
650	}	992	}
651	}	993	}
652	}	994	}
653		995
654	sub _object_attach {	996	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
665	}	1007	}
666		1008
667	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
668	} else {	1010	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1012	}
671		1013
672	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
673	}	1015	}
674		1016
…		…
714	";	1056	";
715	die if $@;	1057	die if $@;
716	}	1058	}
717		1059
718	our $override;	1060	our $override;
719	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?
720		1062
721	sub override {	1063	sub override {
722	$override = 1;	1064	$override = 1;
723	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
724	}	1066	}
725		1067
726	sub do_invoke {	1068	sub do_invoke {
727	my $event = shift;	1069	my $event = shift;
728	my $callbacks = shift;	1070	my $callbacks = shift;
729		1071
730	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
731		1073
732	local $override;	1074	local $override;
733		1075
734	for (@$callbacks) {	1076	for (@$callbacks) {
735	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
736		1078
737	if ($@) {	1079	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1081	override;
741	}	1082	}
742		1083
743	return 1 if $override;	1084	return 1 if $override;
744	}	1085	}
745		1086
746	0	1087	0
747	}	1088	}
748		1089
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1091
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1093
753	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
754		1095
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1099
759	=back	1100	=back
760		1101
761	=cut	1102	=cut
762		1103
763	#############################################################################	1104	#############################################################################
764	# 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, $ob2
		1147	}
765		1148
766	sub reattach {	1149	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1151	my ($obj) = @_;
769		1152
		1153	# no longer needed after getting rid of delete_package?
770	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
771		1155
772	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
773		1157
774	@$registry = ();	1158	@$registry = ();
775		1159
…		…
780	for (@$attach) {	1164	for (@$attach) {
781	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
783	}	1167	}
784	} else {	1168	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1170	}
787	}	1171	}
788	}	1172	}
789		1173
790	cf::attachable->attach (	1174	cf::attachable->attach (
791	prio => -1000000,	1175	prio => -1000000,
792	on_instantiate => sub {	1176	on_instantiate => sub {
793	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
794		1178
795	$data = from_json $data;	1179	$data = decode_json $data;
796		1180
797	for (@$data) {	1181	for (@$data) {
798	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
799		1183
800	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1200	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
818		1202
819	sync_job {	1203	sync_job {
820	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
823		1209
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1217	aio_close $fh;
829		1218
830	if (@$objs) {	1219	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1228	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
838	}	1230	}
839	} else {	1231	} else {
840	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
841	}	1233	}
842		1234
843	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1239	} else {
845	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
846	}	1241	}
847	} else {	1242	} else {
848	aio_unlink $filename;	1243	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
850	}	1245	}
851	}	1246	};
852	}	1247	}
853		1248
854	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
856		1251
…		…
868	or return;	1263	or return;
869		1264
870	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
872	or return;	1267	or return;
		1268
873	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
874	}	1271	}
875		1272
		1273	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
878	return ($data, $av);	1278	($data, $av)
879	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
880		1286
881	#############################################################################	1287	#############################################################################
882	# command handling &c	1288	# command handling &c
883		1289
884	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1304	}
899		1305
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1307
902	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.
903		1313
904	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
905	called.	1315	called.
906		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
907	=cut	1328	=cut
908		1329
909	sub register_extcmd {	1330	sub register_extcmd {
910	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
911		1332
912	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
913	}	1334	}
914		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
915	cf::player->attach (	1344	cf::player->attach (
916	on_command => sub {	1345	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
918		1347
919	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
920	or return;	1349	or return;
921		1350
…		…
926	cf::override;	1355	cf::override;
927	},	1356	},
928	on_extcmd => sub {	1357	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
930		1359
931	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1361
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
939	} else {	1377	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1379	}
942		1380
943	cf::override;	1381	cf::override;
944	},	1382	},
945	);	1383	);
946		1384
		1385	# "readahead" all extensions
947	sub load_extension {	1386	sub cache_extensions {
948	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
949		1388
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1392	}
975	die $@;
976	}	1393	};
977		1394
978	push @EXTS, $pkg;	1395	$grp
979	}	1396	}
980		1397
981	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
982	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1405	next unless -r $path;
984	eval {	1406
985	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 $active;
		1469	}
986	1	1470	}
987	} or warn "$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	}
988	}	1481	};
989	}	1482	}
990		1483
991	#############################################################################	1484	#############################################################################
992		1485
		1486	=back
		1487
993	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
994		1489
995	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
996		1491
997	=cut	1492	=cut
998		1493
999	package cf::player;	1494	package cf::player;
1000		1495
1001	use Coro::AIO;	1496	use Coro::AIO;
1002		1497
1003	=head3 cf::player	1498	=head3 cf::player
1004		1499
1005	=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	}
1006		1515
1007	=item cf::player::find $login	1516	=item cf::player::find $login
1008		1517
1009	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1010		1519
…		…
1029		1538
1030	sub exists($) {	1539	sub exists($) {
1031	my ($login) = @_;	1540	my ($login) = @_;
1032		1541
1033	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1035	}	1544	}
1036		1545
1037	sub find($) {	1546	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1548	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1559
1051	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1054	}	1569	}
1055	}	1570	}
1056	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($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	);
1057		1585
1058	sub save($) {	1586	sub save($) {
1059	my ($pl) = @_;	1587	my ($pl) = @_;
1060		1588
1061	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1067		1595
1068	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1072	Coro::cede;	1605	cf::cede_to_tick;
1073	}	1606	}
1074		1607
1075	sub new($) {	1608	sub new($) {
1076	my ($login) = @_;	1609	my ($login) = @_;
1077		1610
…		…
1083	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1084		1617
1085	$self	1618	$self
1086	}	1619	}
1087		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
1088	=item $pl->quit_character	1631	=item $pl->quit_character
1089		1632
1090	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1092		1635
…		…
1096	my ($pl) = @_;	1639	my ($pl) = @_;
1097		1640
1098	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1099		1642
1100	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1101	$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
1102		1645
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1107		1651
1108	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1689	or return [];
1146		1690
1147	my @logins;	1691	my @logins;
1148		1692
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1153		1703
1154	utf8::decode $login;	1704	utf8::decode $login;
1155	push @logins, $login;	1705	push @logins, $login;
1156	}	1706	}
1157		1707
1158	\@logins	1708	\@logins
1159	}	1709	}
1160		1710
1161	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1162		1714
1163	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1164	player. May block.	1716	player. May block.
1165		1717
1166	=cut	1718	=cut
…		…
1184	}	1736	}
1185		1737
1186	\@paths	1738	\@paths
1187	}	1739	}
1188		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1189	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1190		1746
1191	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1192		1748
1193	=cut	1749	=cut
1194		1750
1195	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1197		1753
1198	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1755	}
1202		1756
1203	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1204		1758
1205	Sends an ext event to the client.	1759	Sends an ext event to the client.
1206		1760
1207	=cut	1761	=cut
1208		1762
1209	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1211		1765
1212	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1213	}	1767	}
1214		1768
1215	=head3 cf::region	1769	=head3 cf::region
1216		1770
1217	=over 4	1771	=over 4
…		…
1220		1774
1221	package cf::region;	1775	package cf::region;
1222		1776
1223	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1224		1778
1225	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1226		1780
1227	=cut	1781	=cut
1228		1782
1229	sub find_by_path($) {	1783	sub find_by_path($) {
1230	my ($path) = @_;	1784	my ($path) = @_;
1231		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1232	my ($match, $specificity);	1788	my ($match, $specificity);
1233		1789
1234	for my $region (list) {	1790	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1238	}	1794	}
1239	}	1795	}
1240		1796
…		…
1261	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1263		1819
1264	sub generate_random_map {	1820	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1826	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1289		1848
1290	sub register {	1849	sub register {
1291	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1851	my $pkg = caller;
1293		1852
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1854
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1856	}
1299		1857
1300	# also paths starting with '/'	1858	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1860
1303	sub thawer_merge {	1861	sub thawer_merge {
1304	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1305		1863
1306	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1307	local $self->{path};	1865	local $self->{path};
1308	local $self->{load_path};	1866	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1867
1312	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1313	}	1869	}
1314		1870
1315	sub normalise {	1871	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1363	return $self;	1919	return $self;
1364	}	1920	}
1365	}	1921	}
1366		1922
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1924	()
1369	}	1925	}
1370		1926
1371	sub init {	1927	sub init {
1372	my ($self) = @_;	1928	my ($self) = @_;
…		…
1394		1950
1395	# the temporary/swap location	1951	# the temporary/swap location
1396	sub save_path {	1952	sub save_path {
1397	my ($self) = @_;	1953	my ($self) = @_;
1398		1954
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1401	}	1957	}
1402		1958
1403	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1404	sub uniq_path {	1960	sub uniq_path {
1405	my ($self) = @_;	1961	my ($self) = @_;
1406		1962
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1409	}	1965	}
1410		1966
1411	# and all this just because we cannot iterate over	1967	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1968	my ($self) = @_;
1415		1969
1416	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1418	}	1973	}
1419		1974
1420	sub unlink_save {	1975	sub unlink_save {
1421	my ($self) = @_;	1976	my ($self) = @_;
1422		1977
…		…
1427		1982
1428	sub load_header_from($) {	1983	sub load_header_from($) {
1429	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1430		1985
1431	utf8::encode $path;	1986	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1995
1438	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1439		1997
1440	1	1998	1
1441	}	1999	}
…		…
1480	$self->load_header_orig	2038	$self->load_header_orig
1481	or return;	2039	or return;
1482	$self->prepare_orig;	2040	$self->prepare_orig;
1483	}	2041	}
1484		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
1485	$self->default_region (cf::region::find_by_path $self->{path})	2046	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2047	unless $self->default_region;
1487		2048
1488	1	2049	1
1489	}	2050	}
…		…
1492	sub find {	2053	sub find {
1493	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1494		2055
1495	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1496		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2060
1499	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1502	or return;	2063	or return;
1503		2064
1504	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1505		2066
1506	$map->load_header	2067	$map->load_header
1507	or return;	2068	or return;
1508		2069
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1512	$map->reset;	2075	$map->reset;
1513	undef $guard;
1514	return find $path;	2076	return find $path;
1515	}	2077	}
1516		2078
1517	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1518	}	2080	}
1519	}	2081	}
1520		2082
1521	sub pre_load { }	2083	sub pre_load { }
1522	sub post_load { }	2084	#sub post_load { } # XS
1523		2085
1524	sub load {	2086	sub load {
1525	my ($self) = @_;	2087	my ($self) = @_;
1526		2088
1527	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1528		2090
1529	my $path = $self->{path};	2091	my $path = $self->{path};
1530		2092
1531	{	2093	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1533		2095
		2096	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2098
1536	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1537		2100
1538	$self->alloc;	2101	$self->alloc;
1539		2102
1540	$self->pre_load;	2103	$self->pre_load;
1541	Coro::cede;	2104	cf::cede_to_tick;
1542		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2108	$self->_load_objects ($f)
1544	or return;	2109	or return;
1545		2110
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1547	if delete $self->{load_original};	2112	if delete $self->{load_original};
1548		2113
1549	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2115	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2118	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1554	}	2122	}
1555	}	2123	}
1556		2124
1557	Coro::cede;	2125	$f->resolve_delayed_derefs;
		2126
		2127	cf::cede_to_tick;
1558	# now do the right thing for maps	2128	# now do the right thing for maps
1559	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2131	unless $self->difficulty;
1562	Coro::cede;	2132	cf::cede_to_tick;
1563		2133
1564	unless ($self->{deny_activate}) {	2134	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2135	$self->decay_objects;
1566	$self->fix_auto_apply;	2136	$self->fix_auto_apply;
1567	$self->update_buttons;	2137	$self->update_buttons;
1568	Coro::cede;	2138	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2139	$self->activate;
1572	}	2140	}
1573		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2146	}
1576		2147
1577	$self->post_load;	2148	$self->post_load;
1578	}	2149	}
1579		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2154	sub customise_for {
1581	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1582		2156
1583	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2158	if $self->per_player;
1585		2159
		2160	# return find "?party/" . $ob->name . "/" . $self->{path}
		2161	# if $self->per_party;
		2162
1586	$self	2163	$self
1587	}	2164	}
1588		2165
1589	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2167	sub load_neighbours {
1591	my ($map) = @_;	2168	my ($map) = @_;
1592		2169
1593	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1594		2171
1595	for (0 .. 3) {	2172	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1597	or next;	2174	or next;
1598	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1599	or next;	2176	or next;
1600	$neigh->load;	2177	$neigh->load;
1601		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2183	}
1605		2184
1606	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1608	or next;	2188	or next;
1609	$neigh->load;	2189	$neigh->load;
1610	}	2190	}
1611	}	2191	}
1612		2192
1613	sub find_sync {	2193	sub find_sync {
1614	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1615		2195
1616	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, $origin
1617	}	2200	}
1618		2201
1619	sub do_load_sync {	2202	sub do_load_sync {
1620	my ($map) = @_;	2203	my ($map) = @_;
1621		2204
1622	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;
1623	}	2209	}
1624		2210
1625	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1627		2213
1628	sub find_async {	2214	sub find_async {
1629	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1630		2216
1631	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1632		2218
1633	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2221	}
1636		2222
1637	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1638	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1639	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2230	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2231	$map->load if $v;
		2232	}
1644		2233
1645	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1646	}	2235	}
1647	}	2236	}
1648	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1649	};	2238	};
1650	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1651		2240
1652	()	2241	()
1653	}	2242	}
1654		2243
		2244	# common code, used by both ->save and ->swapout
1655	sub save {	2245	sub _save {
1656	my ($self) = @_;	2246	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2247
1660	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1661		2249
1662	return unless $self->dirty;	2250	return unless $self->dirty;
1663		2251
…		…
1669	return if $self->{deny_save};	2257	return if $self->{deny_save};
1670		2258
1671	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1672		2260
1673	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1675	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1676		2267
1677	if ($uniq) {	2268	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2271	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2273	}
1683	}	2274	}
1684		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1685	sub swap_out {	2284	sub swap_out {
1686	my ($self) = @_;	2285	my ($self) = @_;
1687		2286
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1693	return if $self->players;	2291	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2302	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2303	}
1700		2304
1701	sub reset_at {	2305	sub reset_at {
1702	my ($self) = @_;	2306	my ($self) = @_;
1703		2307
1704	# TODO: safety, remove and allow resettable per-player maps	2308	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2309	return 1e99 if $self->{deny_reset};
1707		2310
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2311	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2312	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2313
…		…
1721	my ($self) = @_;	2324	my ($self) = @_;
1722		2325
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2327
1725	return if $self->players;	2328	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2329
1728	warn "resetting map ", $self->path;#d#	2330	cf::trace "resetting map ", $self->path, "\n";
1729		2331
1730	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
1731		2333
1732	# need to save uniques path	2334	# need to save uniques path
1733	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2339	if $uniq;
1738	}	2340	}
1739		2341
1740	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
1741		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2346	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2347
1746	$self->unlink_save;	2348	$self->unlink_save;
1747	$self->destroy;	2349	$self->destroy;
1748	}	2350	}
1749		2351
1750	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
1751		2353
1752	sub nuke {	2354	sub nuke {
1753	my ($self) = @_;	2355	my ($self) = @_;
1754		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
1755	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
1756		2361
1757	$self->unlink_save;	2362	$self->unlink_save;
1758		2363
1759	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2369
1765	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
1766		2372
1767	$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	]
1768	}	2410	}
1769		2411
1770	=item cf::map::unique_maps	2412	=item cf::map::unique_maps
1771		2413
1772	Returns an arrayref of paths of all shared maps that have	2414	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2415	instantiated unique items. May block.
1774		2416
1775	=cut	2417	=cut
1776		2418
1777	sub unique_maps() {	2419	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2420	[
1779	or return;	2421	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2422	utf8::decode $_;
1785	next if /\.pst$/;	2423	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2425	? ()
1788	push @paths, cf::map::normalise $_;	2426	: normalise $_
		2427	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2428	]
1790
1791	\@paths
1792	}	2429	}
1793		2430
1794	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	}
1795		2462
1796	=back	2463	=back
1797		2464
1798	=head3 cf::object	2465	=head3 cf::object
1799		2466
…		…
1803		2470
1804	=over 4	2471	=over 4
1805		2472
1806	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
1807		2474
1808	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.
1809		2477
1810	=cut	2478	=cut
1811		2479
1812	sub inv_recursive_;	2480	sub inv_recursive_;
1813	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
1816		2484
1817	sub inv_recursive {	2485	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
1819	}	2487	}
1820		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
1821	package cf;	2517	package cf;
1822		2518
1823	=back	2519	=back
1824		2520
1825	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
1834		2530
1835	=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	};
1836		2546
1837	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2548	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
1842		2552
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2553	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2554
1845	if ($self->{record_replies}) {	2555	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2556	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2557
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2568	}
1850	}	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 (@_);
1851	}	2580	}
1852		2581
1853	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
1854		2583
1855	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
1868		2597
1869	=item $player_object->enter_link	2598	=item $player_object->enter_link
1870		2599
1871	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}>).
1872		2601
1873	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.
1874	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.
1875		2606
1876	Will never block.	2607	Will never block.
1877		2608
1878	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
1879		2610
…		…
1899	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2631	my ($self) = @_;
1901		2632
1902	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
1903		2634
		2635	++$self->{_link_recursion};
		2636
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2638
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2640	if $self->map && $self->map->{path} ne "{link}";
1908		2641
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2643	}
1911		2644
1912	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
1914		2647
…		…
1931	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
1933		2666
1934	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
1937		2670
1938	$map->load;	2671	$map->load;
1939	$map->load_diag;	2672	$map->load_neighbours;
1940		2673
1941	return unless $self->contr->active;	2674	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2675
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
1946	}	2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
		2681	$self->activate_recursive;
		2682	}
1947		2683
		2684	}
		2685
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2687
1950	Moves the player to the given map-path and coordinates by first freezing	2688	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2689	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2690	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	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 >>.
1954		2696
1955	=cut	2697	=cut
1956		2698
1957	our $GOTOGEN;	2699	our $GOTOGEN;
1958		2700
1959	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2702	my ($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	}
1961		2709
1962	# do generation counting so two concurrent goto's will be executed in-order	2710	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2712
1965	$self->enter_link;	2713	$self->enter_link;
1966		2714
1967	(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
1968	my $map = eval {	2737	my $map = eval {
1969	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
1970		2739
1971	if ($map) {	2740	if ($map) {
1972	$map = $map->customise_for ($self);	2741	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2742	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2743	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2745	}
1977		2746
1978	$map	2747	$map
1979	};	2748	};
1980		2749
…		…
1985		2754
1986	if ($gen == $self->{_goto_generation}) {	2755	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2756	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
1989	}	2758	}
		2759
		2760	$done->($self) if $done;
1990	})->prio (1);	2761	})->prio (1);
1991	}	2762	}
1992		2763
1993	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
1994		2765
…		…
2014	}	2785	}
2015		2786
2016	sub prepare_random_map {	2787	sub prepare_random_map {
2017	my ($exit) = @_;	2788	my ($exit) = @_;
2018		2789
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2792	# that depends on the exit object
2024		2793
2025	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2796	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
2032	}	2803	}
2033		2804
2034	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
2035		2806
2036	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
2039		2810
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2813	undef $fh;
2043	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
2044		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
2047	}	2822	}
2048	}	2823	}
2049		2824
2050	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2052		2827
2053	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2054		2829
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2830	$self->enter_link;
2067		2831
2068	(async {	2832	(async {
2069	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2072		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
2073	1;	2856	1
2074	}) {	2857	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2862
2080	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2864	$self->leave_link;
2082	}	2865	}
2083	})->prio (1);	2866	})->prio (1);
2084	}	2867	}
2085		2868
…		…
2099		2882
2100	utf8::encode $text;	2883	utf8::encode $text;
2101	$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);
2102	}	2885	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3074	=item $client->ext_msg ($type, @msg)
2105		3075
2106	Sends an exti event to the client.	3076	Sends an ext event to the client.
2107		3077
2108	=cut	3078	=cut
2109		3079
2110	sub cf::client::ext_event($$%) {	3080	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3081	my ($self, $type, @msg) = @_;
2112		3082
		3083	if ($self->extcmd == 2) {
		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3086	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	3107	}
2116		3108
2117	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2118		3110
2119	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3114
2123	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
2124	reliable at some point in the future.	3116	become reliable at some point in the future.
2125		3117
2126	=cut	3118	=cut
2127		3119
2128	sub cf::client::query {	3120	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3121	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3129	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3130	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3131
2140	$self->send_packet ($self->{query_queue}[0][0])	3132	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3133	if @{ $self->{query_queue} } == 1;
		3134
		3135	1
2142	}	3136	}
2143		3137
2144	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	},
2145	on_reply => sub {	3144	on_reply => sub {
2146	my ($ns, $msg) = @_;	3145	my ($ns, $msg) = @_;
2147		3146
2148	# this weird shuffling is so that direct followup queries	3147	# this weird shuffling is so that direct followup queries
2149	# get handled first	3148	# get handled first
…		…
2161	} else {	3160	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3161	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3162	}
2164	}	3163	}
2165	},	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	},
2166	);	3191	);
2167		3192
2168	=item $client->async (\&cb)	3193	=item $client->async (\&cb)
2169		3194
2170	Create a new coroutine, running the specified callback. The coroutine will	3195	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3211
2187	$coro	3212	$coro
2188	}	3213	}
2189		3214
2190	cf::client->attach (	3215	cf::client->attach (
2191	on_destroy => sub {	3216	on_client_destroy => sub {
2192	my ($ns) = @_;	3217	my ($ns) = @_;
2193		3218
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3220	},
2196	);	3221	);
…		…
2211	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2213		3238
2214	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2215		3240
2216	$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	));
2217		3246
2218	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2219		3248
2220	=pod	3249	=pod
2221		3250
2222	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2223		3252
2224	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
2225	cf::object::player player	3258	cf::object::player
2226	cf::player peaceful	3259	player
2227	cf::map trigger	3260
		3261	cf::player
		3262	peaceful
		3263
		3264	cf::map
		3265	trigger
2228		3266
2229	=cut	3267	=cut
2230		3268
2231	for (	3269	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2236	) {	3276	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3279	for @funs;
2241	}	3280	}
2242		3281
…		…
2257		3296
2258	my $qcode = $code;	3297	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2261		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2262	local $_;	3304	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3305
2265	my $eval =	3306	my $eval =
2266	"do {\n"	3307	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3310	. $code
2270	. "\n}"	3311	. "\n}"
2271	;	3312	;
2272		3313
		3314	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3323
2277	if ($@) {	3324	if ($@) {
2278	warn "$@";	3325	warn "$@",
2279	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2281	}	3328	}
2282		3329
2283	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2284	}	3331	}
2285		3332
…		…
2299	=cut	3346	=cut
2300		3347
2301	sub register_script_function {	3348	sub register_script_function {
2302	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2303		3350
2304	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2306	}	3353	}
2307		3354
2308	=back	3355	=back
2309		3356
2310	=cut	3357	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3358
2484	#############################################################################	3359	#############################################################################
2485	# the server's init and main functions	3360	# the server's init and main functions
2486		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 $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2487	sub load_facedata($) {	3404	sub load_facedata($) {
2488	my ($path) = @_;	3405	my ($path) = @_;
2489		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
2490	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2491		3414
2492	my $facedata;	3415	my $facedata;
2493	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2494	or die "$path: $!";	3417	or die "$path: $!";
2495		3418
2496	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2497		3420
2498	$facedata->{version} == 2	3421	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3433	{
2502	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2503		3435
2504	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3443
		3444	cf::cede_to_tick;
2510	}	3445	}
2511		3446
2512	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2514	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2515	or next;	3451	or next;
		3452
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3456	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3458	}
2521	Coro::cede;	3459
		3460	cf::cede_to_tick;
2522	}	3461	}
2523	}	3462	}
2524		3463
2525	{	3464	{
2526	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2527		3466
2528	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3469	cf::cede_to_tick;
2531	}	3470	}
2532		3471
2533	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2534	}	3473	}
2535		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} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2536	1	3494	1
2537	}	3495	}
2538		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($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	$status
		3513	}
		3514
2539	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2540	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2541	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 $_->{match};
		3526	}
2542	}	3527	}
2543		3528
2544	sub reload_facedata {	3529	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3539	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2557	}	3542	}
2558		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
2559	sub reload_resources {	3567	sub reload_resources {
2560	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2561		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
2562	reload_regions;	3573	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3574	reload_treasures;
2566		3575
2567	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
2568	}	3577	}
2569		3578
2570	sub init {	3579	sub reload_config {
2571	reload_resources;	3580	trace "reloading config file...\n";
2572	}
2573		3581
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3583	or return;
2577		3584
2578	local $/;	3585	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2580		3587
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3589
2583	$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};
2584	$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};
2585		3592
2586	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2588	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2590	};	3597	};
2591	warn $@ if $@;	3598	warn $@ if $@;
2592	}	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;
2593	}	3630	}
2594		3631
2595	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
2596	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2598	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#
2599	(async {	3645	(async {
2600	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2602	};	3649	};
2603		3650
2604	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;
2605	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
2606	load_extensions;	3676	load_extensions;
2607		3677
2608	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2609	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;
2610	}	3696	}
2611		3697
2612	#############################################################################	3698	#############################################################################
2613	# initialisation and cleanup	3699	# initialisation and cleanup
2614		3700
2615	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2616	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2625	},
2626	);	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
2627	}	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 };
2628	}	3797	}
2629		3798
2630	sub emergency_save() {	3799	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2632		3801
2633	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;
2634		3808
2635	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2636	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3820	$pl->save;
2644	}	3821	}
2645	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2646		3823
2647	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";
2648	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3829	$map->valid or next;
2651	$map->save;	3830	$map->save;
2652	}	3831	}
2653	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2654		3833
2655	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";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2657	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 $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3862	};
2659		3863
2660	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2661	}	3865	}
2662		3866
2663	sub post_cleanup {	3867	sub post_cleanup {
2664	my ($make_core) = @_;	3868	my ($make_core) = @_;
2665		3869
		3870	IO::AIO::flush;
		3871
2666	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
2667	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	}
2668	}	3902	}
2669		3903
2670	sub do_reload_perl() {	3904	sub do_reload_perl() {
2671	# can/must only be called in main	3905	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
2673	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
2674	return;	3908	return;
2675	}	3909	}
2676		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
2677	warn "reloading...";	3916	info "reloading...";
2678		3917
2679	warn "entering sync_job";	3918	trace "entering sync_job";
2680		3919
2681	cf::sync_job {	3920	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3921	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3922
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3925	%EXT_CORO = ();
2710		3926
2711	warn "removing commands";	3927	trace "removing commands";
2712	%COMMAND = ();	3928	%COMMAND = ();
2713		3929
2714	warn "removing ext commands";	3930	trace "removing ext/exti commands";
2715	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2716		3933
2717	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2720		3937
2721	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3939	eval {
2723	$cb->($pkg);	3940	$cb->($pkg);
2724	1	3941	1
2725	} 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;
2726	}	3947	}
2727		3948
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3952
2736	warn "... unloading $k";	3953	trace "... unloading $k";
2737	delete $INC{$k};	3954	delete $INC{$k};
2738		3955
2739	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2741		3958
2742	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2744	}	3964	}
2745		3965
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2751	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);
2752		3969
2753	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3973
2757	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3975	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2760		3977
2761	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
2762		3979
2763	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
2764	require cf;	3981	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2766		3983
2767	warn "loading config and database again";	3984	trace "loading config and database again";
2768	cf::cfg_load;	3985	cf::reload_config;
2769		3986
2770	warn "loading extensions";	3987	trace "loading extensions";
2771	cf::load_extensions;	3988	cf::load_extensions;
2772		3989
		3990	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
2779		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
2780	warn "leaving sync_job";	4002	trace "leaving sync_job";
2781		4003
2782	1	4004	1
2783	} or do {	4005	} or do {
2784	warn $@;	4006	error $@;
2785	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
2786	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
2787	};	4012	}
2788		4013
2789	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
2790	};	4016	};
2791		4017
2792	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
2793		4019
2794	sub reload_perl() {	4020	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
2797		4023
2798	$RELOAD_WATCHER ||= Event->timer (	4024	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4025	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4026
2801	data => WF_AUTOCANCEL,	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4028	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
2805	},	4030	};
2806	);	4031	};
2807	}	4032	}
2808		4033
2809	register_command "reload" => sub {	4034	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
2811		4036
2812	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4041	reload_perl;
		4042	};
2815	}	4043	}
2816	};	4044	};
2817		4045
2818	unshift @INC, $LIBDIR;	4046	#############################################################################
2819		4047
2820	my $bug_warning = 0;	4048	my $bug_warning = 0;
2821		4049
2822	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
2824		4052
2825	sub wait_for_tick {	4053	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		4055
2829	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	4058	$signal->wait;
2832	}	4059	}
2833		4060
2834	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4063
2838	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4066	$signal->wait;
2841	}	4067	}
2842		4068
2843	my $min = 1e6;#d#	4069	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
2853	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"
2854	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
2855	return;	4073	return;
2856	}	4074	}
2857		4075
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
2861		4077
2862	0 && sync_job {#d#	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4079
2868	$map->width (50);	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4082	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4083	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4084	write_runtime_sync
2873		4085	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4086	};
		4087	}
2884		4088
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4090	$sig->send;
2901	}	4091	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4092	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4093	$sig->send;
2904	}	4094	}
2905		4095
2906	$NOW = Event::time;	4096	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4098
2917	_post_tick;	4099	if (0) {
2918		4100	if ($NEXT_TICK) {
2919		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
2920	},	4105	}
2921	);	4106	}
2922		4107
2923	{	4108	{
2924	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4110
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
2934		4112	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4114
2950	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
2951	$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);
2952		4122
2953	cf::sync_job {	4123	cf::sync_job {
2954	eval {	4124	eval {
2955	BDB::db_env_open	4125	BDB::db_env_open
2956	$DB_ENV,	4126	$DB_ENV,
…		…
2958	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
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4130	0666;
2961		4131
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4133	};
2967		4134
2968	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4136	};
2970	}	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	};
2971	}	4148	}
2972		4149
2973	{	4150	{
		4151	# configure IO::AIO
		4152
2974	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4156	}
2987		4157
2988	my $_log_backtrace;	4158	my $_log_backtrace;
2989		4159
2990	sub _log_backtrace {	4160	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4163	$msg =~ s/\n//;
2994		4164
2995	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4166	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
2998	async {	4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
2999	my @bt = fork_call {	4172	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4173	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4176	or die "addr2line: $!";
…		…
3011	}	4184	}
3012		4185
3013	@funcs	4186	@funcs
3014	};	4187	};
3015		4188
3016	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4191	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4192	--$_log_backtrace;
3019	};	4193	};
3020	} else {	4194	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4195	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4196	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4197	}
3024	}	4198	}
3025		4199
3026	# load additional modules	4200	# load additional modules
3027	use cf::pod;	4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
3028		4203
3029	END { cf::emergency_save }	4204	END { cf::emergency_save }
3030		4205
3031	1	4206	1
3032		4207

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