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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	590	=cut
401	utime undef, undef, $fh;	591
		592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
		594
		595	# we seemingly have to make a local copy of the whole thing,
		596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
		598
		599	my @res = Coro::Util::fork_eval {
		600	reset_signals;
		601	&$cb
		602	}, @args;
		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
		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 $!;
402	}	675	};
		676	cf::cleanup "db_open(db): $@" if $@;
403		677
404	my $guard = cf::lock_acquire "write_runtime";	678	$db
		679	}
405		680
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	681	our $DB;
407	or return;
408		682
409	my $value = $cf::RUNTIME + 90 + 10;	683	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	684	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	685	}
412		686
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	687	sub db_get($$) {
414	and return;	688	my $key = "$_[0]/$_[1]";
415		689
416	# always fsync - this file is important	690	cf::error "db_get called from main context"
417	aio_fsync $fh	691	if $Coro::current == $Coro::main;
418	and return;
419		692
420	# touch it again to show we are up-to-date	693	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		694
423	close $fh	695	$! ? ()
424	or return;	696	: $data
		697	}
425		698
426	aio_rename "$runtime~", $runtime	699	sub db_put($$$) {
427	and return;	700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
428		703
429	warn "runtime file written.\n";#d#	704	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	769	}
		770
		771	db_get cache => "$id/data"
432	}	772	}
433		773
434	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
435		775
436	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.
437		777
438	=cut	778	=cut
439		779
440	sub datalog($@) {	780	sub datalog($@) {
441	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	783	}
444		784
445	=back	785	=back
446		786
447	=cut	787	=cut
448		788
449	#############################################################################	789	#############################################################################
450		790
451	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
452		792
453	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
454	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")
455	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
456		796
457	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>
458	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
459	crossfire+).	799	Deliantra).
460		800
461	=over 4	801	=over 4
462		802
463	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
464		804
…		…
508	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
509		849
510	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
512		852
513	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
515		855
516	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
517		857
518	=over 4	858	=over 4
…		…
642		982
643	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		985
646	} elsif (ref $type) {	986	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
648		988
649	} else {	989	} else {
650	shift @arg;	990	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
652	}	992	}
653	}	993	}
654	}	994	}
655		995
656	sub _object_attach {	996	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
667	}	1007	}
668		1008
669	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
670	} else {	1010	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1012	}
673		1013
674	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
675	}	1015	}
676		1016
…		…
716	";	1056	";
717	die if $@;	1057	die if $@;
718	}	1058	}
719		1059
720	our $override;	1060	our $override;
721	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?
722		1062
723	sub override {	1063	sub override {
724	$override = 1;	1064	$override = 1;
725	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
726	}	1066	}
727		1067
728	sub do_invoke {	1068	sub do_invoke {
729	my $event = shift;	1069	my $event = shift;
730	my $callbacks = shift;	1070	my $callbacks = shift;
731		1071
732	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
733		1073
734	local $override;	1074	local $override;
735		1075
736	for (@$callbacks) {	1076	for (@$callbacks) {
737	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
738		1078
739	if ($@) {	1079	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1081	override;
743	}	1082	}
744		1083
745	return 1 if $override;	1084	return 1 if $override;
746	}	1085	}
747		1086
748	0	1087	0
749	}	1088	}
750		1089
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1091
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1093
755	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
756		1095
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1099
761	=back	1100	=back
762		1101
763	=cut	1102	=cut
764		1103
765	#############################################################################	1104	#############################################################################
766	# 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, $ob2
		1147	}
767		1148
768	sub reattach {	1149	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1151	my ($obj) = @_;
771		1152
		1153	# no longer needed after getting rid of delete_package?
772	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
773		1155
774	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
775		1157
776	@$registry = ();	1158	@$registry = ();
777		1159
…		…
782	for (@$attach) {	1164	for (@$attach) {
783	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
785	}	1167	}
786	} else {	1168	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1170	}
789	}	1171	}
790	}	1172	}
791		1173
792	cf::attachable->attach (	1174	cf::attachable->attach (
793	prio => -1000000,	1175	prio => -1000000,
794	on_instantiate => sub {	1176	on_instantiate => sub {
795	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
796		1178
797	$data = from_json $data;	1179	$data = decode_json $data;
798		1180
799	for (@$data) {	1181	for (@$data) {
800	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
801		1183
802	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1200	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
820		1202
821	sync_job {	1203	sync_job {
822	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
825		1209
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1217	aio_close $fh;
831		1218
832	if (@$objs) {	1219	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1228	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
840	}	1230	}
841	} else {	1231	} else {
842	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
843	}	1233	}
844		1234
845	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1239	} else {
847	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
848	}	1241	}
849	} else {	1242	} else {
850	aio_unlink $filename;	1243	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
852	}	1245	}
853	}	1246	};
854	}	1247	}
855		1248
856	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
858		1251
…		…
870	or return;	1263	or return;
871		1264
872	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
874	or return;	1267	or return;
		1268
875	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
876	}	1271	}
877		1272
		1273	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
880	return ($data, $av);	1278	($data, $av)
881	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
882		1286
883	#############################################################################	1287	#############################################################################
884	# command handling &c	1288	# command handling &c
885		1289
886	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1304	}
901		1305
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1307
904	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.
905		1313
906	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
907	called.	1315	called.
908		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
909	=cut	1328	=cut
910		1329
911	sub register_extcmd {	1330	sub register_extcmd {
912	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
913		1332
914	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
915	}	1334	}
916		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
917	cf::player->attach (	1344	cf::player->attach (
918	on_command => sub {	1345	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
920		1347
921	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
922	or return;	1349	or return;
923		1350
…		…
928	cf::override;	1355	cf::override;
929	},	1356	},
930	on_extcmd => sub {	1357	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
932		1359
933	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1361
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
941	} else {	1377	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1379	}
944		1380
945	cf::override;	1381	cf::override;
946	},	1382	},
947	);	1383	);
948		1384
		1385	# "readahead" all extensions
949	sub load_extension {	1386	sub cache_extensions {
950	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
951		1388
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1392	}
977	die $@;
978	}	1393	};
979		1394
980	push @EXTS, $pkg;	1395	$grp
981	}	1396	}
982		1397
983	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
984	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1405	next unless -r $path;
986	eval {	1406
987	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	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
988	1	1471	}
989	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
990	}	1482	};
991	}	1483	}
992		1484
993	#############################################################################	1485	#############################################################################
994		1486
		1487	=back
		1488
995	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
996		1490
997	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
998		1492
999	=cut	1493	=cut
1000		1494
1001	package cf::player;	1495	package cf::player;
1002		1496
1003	use Coro::AIO;	1497	use Coro::AIO;
1004		1498
1005	=head3 cf::player	1499	=head3 cf::player
1006		1500
1007	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1008		1516
1009	=item cf::player::find $login	1517	=item cf::player::find $login
1010		1518
1011	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1012		1520
…		…
1031		1539
1032	sub exists($) {	1540	sub exists($) {
1033	my ($login) = @_;	1541	my ($login) = @_;
1034		1542
1035	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1037	}	1545	}
1038		1546
1039	sub find($) {	1547	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1549	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1560
1053	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1056	}	1570	}
1057	}	1571	}
1058	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1059		1586
1060	sub save($) {	1587	sub save($) {
1061	my ($pl) = @_;	1588	my ($pl) = @_;
1062		1589
1063	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1069		1596
1070	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1072		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1073	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1074	Coro::cede;	1606	cf::cede_to_tick;
1075	}	1607	}
1076		1608
1077	sub new($) {	1609	sub new($) {
1078	my ($login) = @_;	1610	my ($login) = @_;
1079		1611
…		…
1085	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1086		1618
1087	$self	1619	$self
1088	}	1620	}
1089		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1090	=item $pl->quit_character	1632	=item $pl->quit_character
1091		1633
1092	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1094		1636
…		…
1098	my ($pl) = @_;	1640	my ($pl) = @_;
1099		1641
1100	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1101		1643
1102	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1646
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1109		1652
1110	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1690	or return [];
1148		1691
1149	my @logins;	1692	my @logins;
1150		1693
1151	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1155		1704
1156	utf8::decode $login;	1705	utf8::decode $login;
1157	push @logins, $login;	1706	push @logins, $login;
1158	}	1707	}
1159		1708
1160	\@logins	1709	\@logins
1161	}	1710	}
1162		1711
1163	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1164		1715
1165	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1166	player. May block.	1717	player. May block.
1167		1718
1168	=cut	1719	=cut
…		…
1186	}	1737	}
1187		1738
1188	\@paths	1739	\@paths
1189	}	1740	}
1190		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1191	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1192		1747
1193	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1194		1749
1195	=cut	1750	=cut
1196		1751
1197	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1199		1754
1200	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1756	}
1204		1757
1205	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1206		1759
1207	Sends an ext event to the client.	1760	Sends an ext event to the client.
1208		1761
1209	=cut	1762	=cut
1210		1763
1211	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1213		1766
1214	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1215	}	1768	}
1216		1769
1217	=head3 cf::region	1770	=head3 cf::region
1218		1771
1219	=over 4	1772	=over 4
…		…
1222		1775
1223	package cf::region;	1776	package cf::region;
1224		1777
1225	=item cf::region::find_by_path $path	1778	=item cf::region::find_by_path $path
1226		1779
1227	Tries to decuce the probable region for a map knowing only its path.	1780	Tries to decuce the likely region for a map knowing only its path.
1228		1781
1229	=cut	1782	=cut
1230		1783
1231	sub find_by_path($) {	1784	sub find_by_path($) {
1232	my ($path) = @_;	1785	my ($path) = @_;
1233		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1234	my ($match, $specificity);	1789	my ($match, $specificity);
1235		1790
1236	for my $region (list) {	1791	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1240	}	1795	}
1241	}	1796	}
1242		1797
…		…
1263	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1265		1820
1266	sub generate_random_map {	1821	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1268	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1827	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1291		1849
1292	sub register {	1850	sub register {
1293	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1852	my $pkg = caller;
1295		1853
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1855
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1857	}
1301		1858
1302	# also paths starting with '/'	1859	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1861
1305	sub thawer_merge {	1862	sub thawer_merge {
1306	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1307		1864
1308	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1309	local $self->{path};	1866	local $self->{path};
1310	local $self->{load_path};	1867	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1868
1314	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1315	}	1870	}
1316		1871
1317	sub normalise {	1872	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1365	return $self;	1920	return $self;
1366	}	1921	}
1367	}	1922	}
1368		1923
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1925	()
1371	}	1926	}
1372		1927
1373	sub init {	1928	sub init {
1374	my ($self) = @_;	1929	my ($self) = @_;
…		…
1396		1951
1397	# the temporary/swap location	1952	# the temporary/swap location
1398	sub save_path {	1953	sub save_path {
1399	my ($self) = @_;	1954	my ($self) = @_;
1400		1955
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1403	}	1958	}
1404		1959
1405	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1406	sub uniq_path {	1961	sub uniq_path {
1407	my ($self) = @_;	1962	my ($self) = @_;
1408		1963
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1411	}	1966	}
1412		1967
1413	# and all this just because we cannot iterate over	1968	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1969	my ($self) = @_;
1417		1970
1418	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1420	}	1974	}
1421		1975
1422	sub unlink_save {	1976	sub unlink_save {
1423	my ($self) = @_;	1977	my ($self) = @_;
1424		1978
…		…
1429		1983
1430	sub load_header_from($) {	1984	sub load_header_from($) {
1431	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1432		1986
1433	utf8::encode $path;	1987	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1439		1996
1440	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1441		1998
1442	1	1999	1
1443	}	2000	}
…		…
1482	$self->load_header_orig	2039	$self->load_header_orig
1483	or return;	2040	or return;
1484	$self->prepare_orig;	2041	$self->prepare_orig;
1485	}	2042	}
1486		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
1487	$self->default_region (cf::region::find_by_path $self->{path})	2047	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2048	unless $self->default_region;
1489		2049
1490	1	2050	1
1491	}	2051	}
…		…
1494	sub find {	2054	sub find {
1495	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1496		2056
1497	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1498		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2061
1501	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1504	or return;	2064	or return;
1505		2065
1506	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1507		2067
1508	$map->load_header	2068	$map->load_header
1509	or return;	2069	or return;
1510		2070
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1514	$map->reset;	2076	$map->reset;
1515	undef $guard;
1516	return find $path;	2077	return find $path;
1517	}	2078	}
1518		2079
1519	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1520	}	2081	}
1521	}	2082	}
1522		2083
1523	sub pre_load { }	2084	sub pre_load { }
1524	sub post_load { }	2085	#sub post_load { } # XS
1525		2086
1526	sub load {	2087	sub load {
1527	my ($self) = @_;	2088	my ($self) = @_;
1528		2089
1529	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1530		2091
1531	my $path = $self->{path};	2092	my $path = $self->{path};
1532		2093
1533	{	2094	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1535		2096
		2097	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2099
1538	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1539		2101
1540	$self->alloc;	2102	$self->alloc;
1541		2103
1542	$self->pre_load;	2104	$self->pre_load;
1543	Coro::cede;	2105	cf::cede_to_tick;
1544		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1546	or return;	2110	or return;
1547		2111
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1549	if delete $self->{load_original};	2113	if delete $self->{load_original};
1550		2114
1551	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2116	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2119	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1556	}	2123	}
1557	}	2124	}
1558		2125
1559	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1560	# now do the right thing for maps	2129	# now do the right thing for maps
1561	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2132	unless $self->difficulty;
1564	Coro::cede;	2133	cf::cede_to_tick;
1565		2134
1566	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2136	$self->decay_objects;
1568	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1569	$self->update_buttons;	2138	$self->update_buttons;
1570	Coro::cede;	2139	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2140	$self->activate;
1574	}	2141	}
1575		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2147	}
1578		2148
1579	$self->post_load;	2149	$self->post_load;
1580	}	2150	}
1581		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2155	sub customise_for {
1583	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1584		2157
1585	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2159	if $self->per_player;
1587		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1588	$self	2164	$self
1589	}	2165	}
1590		2166
1591	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2168	sub load_neighbours {
1593	my ($map) = @_;	2169	my ($map) = @_;
1594		2170
1595	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1596		2172
1597	for (0 .. 3) {	2173	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1599	or next;	2175	or next;
1600	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1601	or next;	2177	or next;
1602	$neigh->load;	2178	$neigh->load;
1603		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2184	}
1607		2185
1608	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1610	or next;	2189	or next;
1611	$neigh->load;	2190	$neigh->load;
1612	}	2191	}
1613	}	2192	}
1614		2193
1615	sub find_sync {	2194	sub find_sync {
1616	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1617		2196
1618	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1619	}	2201	}
1620		2202
1621	sub do_load_sync {	2203	sub do_load_sync {
1622	my ($map) = @_;	2204	my ($map) = @_;
1623		2205
1624	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1625	}	2210	}
1626		2211
1627	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1629		2214
1630	sub find_async {	2215	sub find_async {
1631	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1632		2217
1633	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1634		2219
1635	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2222	}
1638		2223
1639	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1640	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1641	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2231	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2232	$map->load if $v;
		2233	}
1646		2234
1647	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1648	}	2236	}
1649	}	2237	}
1650	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1651	};	2239	};
1652	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1653		2241
1654	()	2242	()
1655	}	2243	}
1656		2244
		2245	# common code, used by both ->save and ->swapout
1657	sub save {	2246	sub _save {
1658	my ($self) = @_;	2247	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2248
1662	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1663		2250
1664	return unless $self->dirty;	2251	return unless $self->dirty;
1665		2252
…		…
1671	return if $self->{deny_save};	2258	return if $self->{deny_save};
1672		2259
1673	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1674		2261
1675	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1677	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1678		2268
1679	if ($uniq) {	2269	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2272	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2274	}
1685	}	2275	}
1686		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1687	sub swap_out {	2285	sub swap_out {
1688	my ($self) = @_;	2286	my ($self) = @_;
1689		2287
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1695	return if $self->players;	2292	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1699	$self->clear;	2303	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2304	}
1702		2305
1703	sub reset_at {	2306	sub reset_at {
1704	my ($self) = @_;	2307	my ($self) = @_;
1705		2308
1706	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1709		2311
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2314
…		…
1723	my ($self) = @_;	2325	my ($self) = @_;
1724		2326
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2328
1727	return if $self->players;	2329	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2330
1730	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1731		2332
1732	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1733		2334
1734	# need to save uniques path	2335	# need to save uniques path
1735	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2340	if $uniq;
1740	}	2341	}
1741		2342
1742	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1743		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2347	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2348
1748	$self->unlink_save;	2349	$self->unlink_save;
1749	$self->destroy;	2350	$self->destroy;
1750	}	2351	}
1751		2352
1752	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1753		2354
1754	sub nuke {	2355	sub nuke {
1755	my ($self) = @_;	2356	my ($self) = @_;
1756		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1757	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1758		2362
1759	$self->unlink_save;	2363	$self->unlink_save;
1760		2364
1761	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2370
1767	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1768		2373
1769	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1770	}	2411	}
1771		2412
1772	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1773		2414
1774	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2416	instantiated unique items. May block.
1776		2417
1777	=cut	2418	=cut
1778		2419
1779	sub unique_maps() {	2420	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2421	[
1781	or return;	2422	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2423	utf8::decode $_;
1787	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2426	? ()
1790	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2429	]
1792
1793	\@paths
1794	}	2430	}
1795		2431
1796	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1797		2463
1798	=back	2464	=back
1799		2465
1800	=head3 cf::object	2466	=head3 cf::object
1801		2467
…		…
1805		2471
1806	=over 4	2472	=over 4
1807		2473
1808	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1809		2475
1810	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1811		2478
1812	=cut	2479	=cut
1813		2480
1814	sub inv_recursive_;	2481	sub inv_recursive_;
1815	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1818		2485
1819	sub inv_recursive {	2486	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1821	}	2488	}
1822		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1823	package cf;	2518	package cf;
1824		2519
1825	=back	2520	=back
1826		2521
1827	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1836		2531
1837	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1838		2547
1839	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2549	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1844		2553
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2555
1847	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1849	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1852	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1853	}	2581	}
1854		2582
1855	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1856		2584
1857	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1870		2598
1871	=item $player_object->enter_link	2599	=item $player_object->enter_link
1872		2600
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2602
1875	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1877		2607
1878	Will never block.	2608	Will never block.
1879		2609
1880	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1881		2611
…		…
1901	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2632	my ($self) = @_;
1903		2633
1904	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1905		2635
		2636	++$self->{_link_recursion};
		2637
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2639
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
1910		2642
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2644	}
1913		2645
1914	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
1916		2648
…		…
1933	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1934	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1935		2667
1936	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1939		2671
1940	$map->load;	2672	$map->load;
1941	$map->load_diag;	2673	$map->load_neighbours;
1942		2674
1943	return unless $self->contr->active;	2675	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2676
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1948	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
1949		2684
		2685	}
		2686
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1951		2688
1952	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
1956		2697
1957	=cut	2698	=cut
1958		2699
1959	our $GOTOGEN;	2700	our $GOTOGEN;
1960		2701
1961	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
1963		2710
1964	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2713
1967	$self->enter_link;	2714	$self->enter_link;
1968		2715
1969	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1970	my $map = eval {	2738	my $map = eval {
1971	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
1972		2740
1973	if ($map) {	2741	if ($map) {
1974	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1976	} else {	2744	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2746	}
1979		2747
1980	$map	2748	$map
1981	};	2749	};
1982		2750
…		…
1987		2755
1988	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
1991	}	2759	}
		2760
		2761	$done->($self) if $done;
1992	})->prio (1);	2762	})->prio (1);
1993	}	2763	}
1994		2764
1995	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1996		2766
…		…
2016	}	2786	}
2017		2787
2018	sub prepare_random_map {	2788	sub prepare_random_map {
2019	my ($exit) = @_;	2789	my ($exit) = @_;
2020		2790
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2793	# that depends on the exit object
2026		2794
2027	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2797	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2034	}	2804	}
2035		2805
2036	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2037		2807
2038	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2041		2811
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2814	undef $fh;
2045	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2046		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2049	}	2823	}
2050	}	2824	}
2051		2825
2052	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2054		2828
2055	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2056		2830
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2831	$self->enter_link;
2069		2832
2070	(async {	2833	(async {
2071	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2072	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2073	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2074		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2075	1;	2857	1
2076	}) {	2858	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2079	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2863
2082	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2083	$self->leave_link;	2865	$self->leave_link;
2084	}	2866	}
2085	})->prio (1);	2867	})->prio (1);
2086	}	2868	}
2087		2869
…		…
2101		2883
2102	utf8::encode $text;	2884	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2886	}
2105		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2106	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2107		3076
2108	Sends an exti event to the client.	3077	Sends an ext event to the client.
2109		3078
2110	=cut	3079	=cut
2111		3080
2112	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2114		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2117	}	3108	}
2118		3109
2119	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2120		3111
2121	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		3115
2125	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	3117	become reliable at some point in the future.
2127		3118
2128	=cut	3119	=cut
2129		3120
2130	sub cf::client::query {	3121	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	3130	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		3132
2142	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2144	}	3137	}
2145		3138
2146	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2147	on_reply => sub {	3145	on_reply => sub {
2148	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2149		3147
2150	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2151	# get handled first	3149	# get handled first
…		…
2163	} else {	3161	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3163	}
2166	}	3164	}
2167	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2168	);	3192	);
2169		3193
2170	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2171		3195
2172	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		3212
2189	$coro	3213	$coro
2190	}	3214	}
2191		3215
2192	cf::client->attach (	3216	cf::client->attach (
2193	on_destroy => sub {	3217	on_client_destroy => sub {
2194	my ($ns) = @_;	3218	my ($ns) = @_;
2195		3219
2196	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2197	},	3221	},
2198	);	3222	);
…		…
2213	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2215		3239
2216	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2217		3241
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2219		3247
2220	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2221		3249
2222	=pod	3250	=pod
2223		3251
2224	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2225		3253
2226	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2227	cf::object::player player	3259	cf::object::player
2228	cf::player peaceful	3260	player
2229	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2230		3267
2231	=cut	3268	=cut
2232		3269
2233	for (	3270	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2235	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2238	) {	3277	) {
2239	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2242	for @funs;	3280	for @funs;
2243	}	3281	}
2244		3282
…		…
2259		3297
2260	my $qcode = $code;	3298	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2263		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2264	local $_;	3305	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;
2266		3306
2267	my $eval =	3307	my $eval =
2268	"do {\n"	3308	"do {\n"
2269	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2270	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2271	. $code	3311	. $code
2272	. "\n}"	3312	. "\n}"
2273	;	3313	;
2274		3314
		3315	if ($CFG{safe_eval}) {
2275	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2276	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2277	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2278		3324
2279	if ($@) {	3325	if ($@) {
2280	warn "$@";	3326	warn "$@",
2281	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2282	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2283	}	3329	}
2284		3330
2285	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2286	}	3332	}
2287		3333
…		…
2301	=cut	3347	=cut
2302		3348
2303	sub register_script_function {	3349	sub register_script_function {
2304	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2305		3351
2306	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2307	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2308	}	3354	}
2309		3355
2310	=back	3356	=back
2311		3357
2312	=cut	3358	=cut
2313
2314	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487		3359
2488	#############################################################################	3360	#############################################################################
2489	# the server's init and main functions	3361	# the server's init and main functions
2490		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2491	sub load_facedata($) {	3406	sub load_facedata($) {
2492	my ($path) = @_;	3407	my ($path) = @_;
2493		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2494	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2495		3416
2496	my $facedata;	3417	my $facedata;
2497	0 < aio_load $path, $facedata	3418	0 < aio_load $path, $facedata
2498	or die "$path: $!";	3419	or die "$path: $!";
2499		3420
2500	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2501		3422
2502	$facedata->{version} == 2	3423	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2505	{	3435	{
2506	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2507		3437
2508	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2513	Coro::cede;	3445
		3446	cf::cede_to_tick;
2514	}	3447	}
2515		3448
2516	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2518	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2519	or next;	3453	or next;
		3454
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3458	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3460	}
2525	Coro::cede;	3461
		3462	cf::cede_to_tick;
2526	}	3463	}
2527	}	3464	}
2528		3465
2529	{	3466	{
2530	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2531		3468
2532	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3471	cf::cede_to_tick;
2535	}	3472	}
2536		3473
2537	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2538	}	3475	}
2539		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2540	1	3496	1
2541	}	3497	}
2542		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2543	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2544	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
2546	}	3529	}
2547		3530
2548	sub reload_facedata {	3531	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3532	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3533	or die "unable to load facedata\n";
…		…
2558	sub reload_treasures {	3541	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2561	}	3544	}
2562		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2563	sub reload_resources {	3569	sub reload_resources {
2564	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2565		3571
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2566	reload_regions;	3575	reload_regions;
2567	reload_facedata;
2568	reload_archetypes;
2569	reload_treasures;	3576	reload_treasures;
2570		3577
2571	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2572	}	3579	}
2573		3580
2574	sub init {	3581	sub reload_config {
2575	reload_resources;	3582	trace "reloading config file...\n";
2576	}
2577		3583
2578	sub cfg_load {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3585	or return;
2581		3586
2582	local $/;	3587	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2584		3589
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2586		3591
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2589		3594
2590	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2592	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2593	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2594	};	3599	};
2595	warn $@ if $@;	3600	warn $@ if $@;
2596	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2597	}	3632	}
2598		3633
2599	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2600	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3647	(async {
2604	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2606	};	3651	};
2607		3652
2608	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2609	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2610	load_extensions;	3678	load_extensions;
2611		3679
2612	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2613	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2614	}	3698	}
2615		3699
2616	#############################################################################	3700	#############################################################################
2617	# initialisation and cleanup	3701	# initialisation and cleanup
2618		3702
2619	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2620	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2629	},
2630	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2631	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2632	}	3799	}
2633		3800
2634	sub emergency_save() {	3801	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2636		3803
2637	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2638		3810
2639	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2640	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3822	$pl->save;
2648	}	3823	}
2649	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2650		3825
2651	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3831	$map->valid or next;
2655	$map->save;	3832	$map->save;
2656	}	3833	}
2657	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2658		3835
2659	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2662	};	3864	};
2663		3865
2664	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2665	}	3867	}
2666		3868
2667	sub post_cleanup {	3869	sub post_cleanup {
2668	my ($make_core) = @_;	3870	my ($make_core) = @_;
2669		3871
		3872	IO::AIO::flush;
		3873
2670	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3875	if $make_core;
		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
2672	}	3904	}
2673		3905
2674	sub do_reload_perl() {	3906	sub do_reload_perl() {
2675	# can/must only be called in main	3907	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2677	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2678	return;	3910	return;
2679	}	3911	}
2680		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2681	warn "reloading...";	3918	info "reloading...";
2682		3919
2683	warn "entering sync_job";	3920	trace "entering sync_job";
2684		3921
2685	cf::sync_job {	3922	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark
2687	cf::emergency_save;	3923	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark
2689		3924
2690	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;
2692
2693	# if anything goes wrong in here, we should simply crash as we already saved
2694
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();	3927	%EXT_CORO = ();
2714		3928
2715	warn "removing commands";	3929	trace "removing commands";
2716	%COMMAND = ();	3930	%COMMAND = ();
2717		3931
2718	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2719	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2720		3935
2721	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2724		3939
2725	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2726	eval {	3941	eval {
2727	$cb->($pkg);	3942	$cb->($pkg);
2728	1	3943	1
2729	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2730	}	3949	}
2731		3950
2732	warn "... nuking $pkg";
2733	Symbol::delete_package $pkg;
2734	}
2735
2736	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2737	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3954
2740	warn "... unloading $k";	3955	trace "... unloading $k";
2741	delete $INC{$k};	3956	delete $INC{$k};
2742		3957
2743	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2745		3960
2746	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2747	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2748	}	3966	}
2749		3967
2750	Symbol::delete_package $k;
2751	}
2752
2753	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3971
2757	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3975
2761	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3977	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2764		3979
2765	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2766		3981
2767	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2768	require cf;	3983	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2770		3985
2771	warn "loading config and database again";	3986	trace "loading config and database again";
2772	cf::cfg_load;	3987	cf::reload_config;
2773		3988
2774	warn "loading extensions";	3989	trace "loading extensions";
2775	cf::load_extensions;	3990	cf::load_extensions;
2776		3991
		3992	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
2783		4000
		4001	trace "running post_init jobs";
		4002	(pop @POST_INIT)->(1) while @POST_INIT;
		4003
2784	warn "leaving sync_job";	4004	trace "leaving sync_job";
2785		4005
2786	1	4006	1
2787	} or do {	4007	} or do {
2788	warn $@;	4008	error $@;
2789	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
2790	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
2791	};	4014	}
2792		4015
2793	warn "reloaded";	4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
2794	};	4018	};
2795		4019
2796	our $RELOAD_WATCHER; # used only during reload	4020	our $RELOAD_WATCHER; # used only during reload
2797		4021
2798	sub reload_perl() {	4022	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	4023	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	4024	# coro crashes during coro_state_free->destroy here.
2801		4025
2802	$RELOAD_WATCHER ||= Event->timer (	4026	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	4027	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	4028
2805	data => WF_AUTOCANCEL,	4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	4030	do_reload_perl;
2808	undef $RELOAD_WATCHER;	4031	undef $RELOAD_WATCHER;
2809	},	4032	};
2810	);	4033	};
2811	}	4034	}
2812		4035
2813	register_command "reload" => sub {	4036	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2815		4038
2816	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
		4041	async {
		4042	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	4043	reload_perl;
		4044	};
2819	}	4045	}
2820	};	4046	};
2821		4047
2822	unshift @INC, $LIBDIR;	4048	#############################################################################
2823		4049
2824	my $bug_warning = 0;	4050	my $bug_warning = 0;
2825		4051
2826	our @WAIT_FOR_TICK;	4052	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	4053	our @WAIT_FOR_TICK_BEGIN;
2828		4054
2829	sub wait_for_tick {	4055	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2832		4057
2833	my $signal = new Coro::Signal;	4058	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	4059	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	4060	$signal->wait;
2836	}	4061	}
2837		4062
2838	sub wait_for_tick_begin {	4063	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2841		4065
2842	my $signal = new Coro::Signal;	4066	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	4067	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	4068	$signal->wait;
2845	}	4069	}
2846		4070
2847	my $min = 1e6;#d#	4071	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2859	return;	4075	return;
2860	}	4076	}
2861		4077
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2865		4079
2866	0 && sync_job {#d#	4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867	for(1..10) {
2868	my $t = Event::time;
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2870	or die;
2871		4081
2872	$map->width (50);	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2873	$map->height (50);	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2874	$map->alloc;	4084	Coro::async_pool {
2875	$map->_load_objects ("/tmp/x.map", 1);	4085	$Coro::current->{desc} = "runtime saver";
2876	my $t = Event::time - $t;	4086	write_runtime_sync
2877		4087	or error "ERROR: unable to write runtime file: $!";
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	4088	};
		4089	}
2888		4090
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	4092	$sig->send;
2905	}	4093	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	4094	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	4095	$sig->send;
2908	}	4096	}
2909		4097
2910	$NOW = Event::time;	4098	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		4100
2921	_post_tick;	4101	if (0) {
2922		4102	if ($NEXT_TICK) {
2923		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
2924	},	4107	}
2925	);	4108	}
2926		4109
2927	{	4110	{
2928	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	4112
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2938		4114	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		4116
2954	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		4124
2957	cf::sync_job {	4125	cf::sync_job {
2958	eval {	4126	eval {
2959	BDB::db_env_open	4127	BDB::db_env_open
2960	$DB_ENV,	4128	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	4132	0666;
2965		4133
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	4135	};
2971		4136
2972	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	4138	};
2974	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
2975	}	4150	}
2976		4151
2977	{	4152	{
		4153	# configure IO::AIO
		4154
2978	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	4158	}
2991		4159
2992	my $_log_backtrace;	4160	my $_log_backtrace;
2993		4161
2994	sub _log_backtrace {	4162	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	4165	$msg =~ s/\n//;
2998		4166
2999	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	4168	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
3002	async {	4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
3003	my @bt = fork_call {	4174	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	4175	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	4178	or die "addr2line: $!";
…		…
3015	}	4186	}
3016		4187
3017	@funcs	4188	@funcs
3018	};	4189	};
3019		4190
3020	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	4193	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	4194	--$_log_backtrace;
3023	};	4195	};
3024	} else {	4196	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	4197	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	4198	LOG llevInfo, "[ABT] [suppressed]\n";
3027	}	4199	}
3028	}	4200	}
3029		4201
3030	# load additional modules	4202	# load additional modules
3031	use cf::pod;	4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
3032		4205
3033	END { cf::emergency_save }	4206	END { cf::emergency_save }
3034		4207
3035	1	4208	1
3036		4209

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