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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.537 by root, Sun May 2 19:16:16 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	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	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$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		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
155	=back	253	=back
156		254
157	=cut	255	=cut
158		256
159	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	264	my $msg = join "", @_;
162		265
163	$msg .= "\n"	266	$msg .= "\n"
164	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
165		268
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		270
168	utf8::encode $msg;
169	LOG llevError, $msg;	271	LOG llevWarn, $msg;
170	};	272	};
171	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
172		287
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		295
180	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	297	# within the Safe compartment.
182	for my $pkg (qw(	298	for my $pkg (qw(
183	cf::global cf::attachable	299	cf::global cf::attachable
184	cf::object cf::object::player	300	cf::object cf::object::player
185	cf::client cf::player	301	cf::client cf::player
186	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
187	cf::map cf::party cf::region	304	cf::party cf::region
188	)) {	305	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	307	}
192		308
193	$Event::DIED = sub {	309	$EV::DIED = sub {
194	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
195	};	311	};
		312
		313	#############################################################################
196		314
197	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
198		316
199	=over 4	317	=over 4
200		318
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	338	$d
221	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
222	}	340	}
223		341
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
227		343
228	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
229		345
230	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
231		347
232	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
233		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
249		389
250	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
251		391
252	=cut	392	=cut
253		393
254	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
255		395
256	sub lock_wait($) {	396	sub lock_wait($) {
257	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	398	}
265		399
266	sub lock_acquire($) {	400	sub lock_acquire($) {
267	my ($key) = @_;	401	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	402	}
279		403
280	sub lock_active($) {	404	sub lock_active($) {
281	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	406	}
285		407
286	sub freeze_mainloop {	408	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
288		410
289	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
291	};	478	}
292	$TICK_WATCHER->stop;	479	};
293	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
294	}	494	}
295		495
296	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
297		497
298	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		503
304	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
305		505
306	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
307		507
308	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
311		512
312	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
315	fast or be very important.	516	fast or be very important.
…		…
317	=cut	518	=cut
318		519
319	sub sync_job(&) {	520	sub sync_job(&) {
320	my ($job) = @_;	521	my ($job) = @_;
321		522
322	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
323	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
325		528
326	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	530
328	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
329		532
330	my $busy = 1;	533	my $busy = 1;
331	my @res;	534	my @res;
332		535
333	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	538	@res = eval { $job->() };
335	warn $@ if $@;	539	error $@ if $@;
336	undef $busy;	540	undef $busy;
337	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
338		542
339	while ($busy) {	543	while ($busy) {
340	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
341	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
342		554
343	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
344	} else {	556	} else {
345	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
346		558
…		…
366	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
367		579
368	$coro	580	$coro
369	}	581	}
370		582
371	sub write_runtime {	583	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		584
374	my $runtime = "$LOCALDIR/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
375		589
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
377	or return;
378		591
379	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		594
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
384	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
385		598
386	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	600	reset_signals;
388	and return;	601	&$cb
		602	}, @args;
389		603
390	close $fh	604	wantarray ? @res : $res[-1]
391	or return;	605	}
392		606
393	aio_rename "$runtime~", $runtime	607	sub objinfo {
394	and return;
395
396	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
397	}	772	}
398		773
399	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
400		775
401	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
402		777
403	=cut	778	=cut
404		779
405	sub datalog($@) {	780	sub datalog($@) {
406	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	783	}
409		784
410	=back	785	=back
411		786
412	=cut	787	=cut
413		788
414	#############################################################################	789	#############################################################################
415		790
416	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
417		792
418	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
421		796
422	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	799	Deliantra).
425		800
426	=over 4	801	=over 4
427		802
428	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
429		804
…		…
473	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
474		849
475	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
477		852
478	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
480		855
481	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
482		857
483	=over 4	858	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
593		968
594	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		973
599	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	975	my $pkg = shift @arg;
601		976
602	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
607		982
608	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		985
611	} elsif (ref $type) {	986	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
613		988
614	} else {	989	} else {
615	shift @arg;	990	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
617	}	992	}
618	}	993	}
619	}	994	}
620		995
621	sub _object_attach {	996	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
632	}	1007	}
633		1008
634	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
635	} else {	1010	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1012	}
638		1013
639	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
640	}	1015	}
641		1016
…		…
643	if (ref $_[0]) {	1018	if (ref $_[0]) {
644	_object_attach @_;	1019	_object_attach @_;
645	} else {	1020	} else {
646	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
647	}	1022	}
		1023	_recalc_want;
648	};	1024	};
649		1025
650	# all those should be optimised	1026	# all those should be optimised
651	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1032	reattach ($obj);
657	} else {	1033	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
659	}	1035	}
		1036	_recalc_want;
660	};	1037	};
661		1038
662	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
664		1041
…		…
679	";	1056	";
680	die if $@;	1057	die if $@;
681	}	1058	}
682		1059
683	our $override;	1060	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1062
686	sub override {	1063	sub override {
687	$override = 1;	1064	$override = 1;
688	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
689	}	1066	}
690		1067
691	sub do_invoke {	1068	sub do_invoke {
692	my $event = shift;	1069	my $event = shift;
693	my $callbacks = shift;	1070	my $callbacks = shift;
694		1071
695	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
696		1073
697	local $override;	1074	local $override;
698		1075
699	for (@$callbacks) {	1076	for (@$callbacks) {
700	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
701		1078
702	if ($@) {	1079	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1081	override;
706	}	1082	}
707		1083
708	return 1 if $override;	1084	return 1 if $override;
709	}	1085	}
710		1086
711	0	1087	0
712	}	1088	}
713		1089
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1091
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1093
718	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
719		1095
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1099
724	=back	1100	=back
725		1101
726	=cut	1102	=cut
727		1103
728	#############################################################################	1104	#############################################################################
729	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
730		1148
731	sub reattach {	1149	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1151	my ($obj) = @_;
734		1152
		1153	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1155
737	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
738		1157
739	@$registry = ();	1158	@$registry = ();
740		1159
…		…
745	for (@$attach) {	1164	for (@$attach) {
746	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
748	}	1167	}
749	} else {	1168	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1170	}
752	}	1171	}
753	}	1172	}
754		1173
755	cf::attachable->attach (	1174	cf::attachable->attach (
756	prio => -1000000,	1175	prio => -1000000,
757	on_instantiate => sub {	1176	on_instantiate => sub {
758	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
759		1178
760	$data = from_json $data;	1179	$data = decode_json $data;
761		1180
762	for (@$data) {	1181	for (@$data) {
763	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
764		1183
765	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1200	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
783		1202
784	sync_job {	1203	sync_job {
785	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
788		1209
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
793	close $fh;	1217	aio_close $fh;
794		1218
795	if (@$objs) {	1219	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
801	close $fh;	1228	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
803	}	1230	}
804	} else {	1231	} else {
805	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
806	}	1233	}
807		1234
808	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1239	} else {
810	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
811	}	1241	}
812	} else {	1242	} else {
813	aio_unlink $filename;	1243	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
815	}	1245	}
816	}	1246	};
817	}	1247	}
818		1248
819	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
821		1251
…		…
833	or return;	1263	or return;
834		1264
835	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
837	or return;	1267	or return;
		1268
838	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
839	}	1271	}
840		1272
		1273	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
843	return ($data, $av);	1278	($data, $av)
844	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
845		1286
846	#############################################################################	1287	#############################################################################
847	# command handling &c	1288	# command handling &c
848		1289
849	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1304	}
864		1305
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1307
867	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
868		1313
869	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
870	called.	1315	called.
871		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
872	=cut	1328	=cut
873		1329
874	sub register_extcmd {	1330	sub register_extcmd {
875	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
876		1332
877	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
878	}	1334	}
879		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
880	cf::player->attach (	1344	cf::player->attach (
881	on_command => sub {	1345	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
883		1347
884	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
885	or return;	1349	or return;
886		1350
…		…
891	cf::override;	1355	cf::override;
892	},	1356	},
893	on_extcmd => sub {	1357	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
895		1359
896	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1361
898	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
904	} else {	1377	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1379	}
907		1380
908	cf::override;	1381	cf::override;
909	},	1382	},
910	);	1383	);
911		1384
		1385	# "readahead" all extensions
912	sub load_extension {	1386	sub cache_extensions {
913	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
914		1388
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1392	}
940	die $@;
941	}	1393	};
942		1394
943	push @EXTS, $pkg;	1395	$grp
944	}	1396	}
945		1397
946	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
947	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1405	next unless -r $path;
949	eval {	1406
950	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
951	1	1470	}
952	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
953	}	1481	};
954	}	1482	}
955		1483
956	#############################################################################	1484	#############################################################################
957		1485
		1486	=back
		1487
958	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
959		1489
960	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
961		1491
962	=cut	1492	=cut
963		1493
964	package cf::player;	1494	package cf::player;
965		1495
966	use Coro::AIO;	1496	use Coro::AIO;
967		1497
968	=head3 cf::player	1498	=head3 cf::player
969		1499
970	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
971		1515
972	=item cf::player::find $login	1516	=item cf::player::find $login
973		1517
974	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
975		1519
…		…
994		1538
995	sub exists($) {	1539	sub exists($) {
996	my ($login) = @_;	1540	my ($login) = @_;
997		1541
998	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1000	}	1544	}
1001		1545
1002	sub find($) {	1546	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1548	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1559
1016	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1019	}	1569	}
1020	}	1570	}
1021	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1022		1585
1023	sub save($) {	1586	sub save($) {
1024	my ($pl) = @_;	1587	my ($pl) = @_;
1025		1588
1026	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1032		1595
1033	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1035		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1036	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1037	Coro::cede;	1605	cf::cede_to_tick;
1038	}	1606	}
1039		1607
1040	sub new($) {	1608	sub new($) {
1041	my ($login) = @_;	1609	my ($login) = @_;
1042		1610
…		…
1048	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1049		1617
1050	$self	1618	$self
1051	}	1619	}
1052		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1053	=item $pl->quit_character	1631	=item $pl->quit_character
1054		1632
1055	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1057		1635
…		…
1061	my ($pl) = @_;	1639	my ($pl) = @_;
1062		1640
1063	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1064		1642
1065	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1645
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1072		1651
1073	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1689	or return [];
1111		1690
1112	my @logins;	1691	my @logins;
1113		1692
1114	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1118		1703
1119	utf8::decode $login;	1704	utf8::decode $login;
1120	push @logins, $login;	1705	push @logins, $login;
1121	}	1706	}
1122		1707
1123	\@logins	1708	\@logins
1124	}	1709	}
1125		1710
1126	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1127		1714
1128	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1129	player. May block.	1716	player. May block.
1130		1717
1131	=cut	1718	=cut
…		…
1149	}	1736	}
1150		1737
1151	\@paths	1738	\@paths
1152	}	1739	}
1153		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1154	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1155		1746
1156	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1157		1748
1158	=cut	1749	=cut
1159		1750
1160	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1162		1753
1163	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1755	}
1167		1756
1168	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1169		1758
1170	Sends an ext event to the client.	1759	Sends an ext event to the client.
1171		1760
1172	=cut	1761	=cut
1173		1762
1174	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1176		1765
1177	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1178	}	1767	}
1179		1768
1180	=head3 cf::region	1769	=head3 cf::region
1181		1770
1182	=over 4	1771	=over 4
…		…
1185		1774
1186	package cf::region;	1775	package cf::region;
1187		1776
1188	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1189		1778
1190	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1191		1780
1192	=cut	1781	=cut
1193		1782
1194	sub find_by_path($) {	1783	sub find_by_path($) {
1195	my ($path) = @_;	1784	my ($path) = @_;
1196		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1197	my ($match, $specificity);	1788	my ($match, $specificity);
1198		1789
1199	for my $region (list) {	1790	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1203	}	1794	}
1204	}	1795	}
1205		1796
…		…
1226	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1228		1819
1229	sub generate_random_map {	1820	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1231	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1826	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1261		1855
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1857	}
1264		1858
1265	# also paths starting with '/'	1859	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1861
1268	sub thawer_merge {	1862	sub thawer_merge {
1269	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1270		1864
1271	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1272	local $self->{path};	1866	local $self->{path};
1273	local $self->{load_path};	1867	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1868
1277	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1278	}	1870	}
1279		1871
1280	sub normalise {	1872	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1328	return $self;	1920	return $self;
1329	}	1921	}
1330	}	1922	}
1331		1923
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1925	()
1334	}	1926	}
1335		1927
1336	sub init {	1928	sub init {
1337	my ($self) = @_;	1929	my ($self) = @_;
…		…
1359		1951
1360	# the temporary/swap location	1952	# the temporary/swap location
1361	sub save_path {	1953	sub save_path {
1362	my ($self) = @_;	1954	my ($self) = @_;
1363		1955
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1366	}	1958	}
1367		1959
1368	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1369	sub uniq_path {	1961	sub uniq_path {
1370	my ($self) = @_;	1962	my ($self) = @_;
1371		1963
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1374	}	1966	}
1375		1967
1376	# and all this just because we cannot iterate over	1968	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1969	my ($self) = @_;
1380		1970
1381	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1383	}	1974	}
1384		1975
1385	sub unlink_save {	1976	sub unlink_save {
1386	my ($self) = @_;	1977	my ($self) = @_;
1387		1978
…		…
1392		1983
1393	sub load_header_from($) {	1984	sub load_header_from($) {
1394	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1395		1986
1396	utf8::encode $path;	1987	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1996
1403	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1404		1998
1405	1	1999	1
1406	}	2000	}
…		…
1445	$self->load_header_orig	2039	$self->load_header_orig
1446	or return;	2040	or return;
1447	$self->prepare_orig;	2041	$self->prepare_orig;
1448	}	2042	}
1449		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
1450	$self->default_region (cf::region::find_by_path $self->{path})	2047	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2048	unless $self->default_region;
1452		2049
1453	1	2050	1
1454	}	2051	}
…		…
1457	sub find {	2054	sub find {
1458	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1459		2056
1460	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1461		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2061
1464	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1467	or return;	2064	or return;
1468		2065
1469	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1470		2067
1471	$map->load_header	2068	$map->load_header
1472	or return;	2069	or return;
1473		2070
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1477	$map->reset;	2076	$map->reset;
1478	undef $guard;
1479	return find $path;	2077	return find $path;
1480	}	2078	}
1481		2079
1482	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1483	}	2081	}
1484	}	2082	}
1485		2083
1486	sub pre_load { }	2084	sub pre_load { }
1487	sub post_load { }	2085	#sub post_load { } # XS
1488		2086
1489	sub load {	2087	sub load {
1490	my ($self) = @_;	2088	my ($self) = @_;
1491		2089
1492	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1493		2091
1494	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1496		2096
		2097	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2099
1499	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1500		2101
1501	$self->alloc;	2102	$self->alloc;
1502		2103
1503	$self->pre_load;	2104	$self->pre_load;
1504	Coro::cede;	2105	cf::cede_to_tick;
1505		2106
1506	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1507	or return;	2110	or return;
1508		2111
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1510	if delete $self->{load_original};	2113	if delete $self->{load_original};
1511		2114
1512	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2116	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2119	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1517	}	2123	}
1518	}	2124	}
1519		2125
1520	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1521	# now do the right thing for maps	2129	# now do the right thing for maps
1522	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2132	unless $self->difficulty;
1533	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1534	$self->activate;	2140	$self->activate;
1535	Coro::cede;	2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2147	}
1537		2148
1538	$self->post_load;	2149	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2150	}
1543		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2155	sub customise_for {
1545	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1546		2157
1547	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2159	if $self->per_player;
1549		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1550	$self	2164	$self
1551	}	2165	}
1552		2166
1553	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2168	sub load_neighbours {
1555	my ($map) = @_;	2169	my ($map) = @_;
1556		2170
1557	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1558		2172
1559	for (0 .. 3) {	2173	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1561	or next;	2175	or next;
1562	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1563	or next;	2177	or next;
1564	$neigh->load;	2178	$neigh->load;
1565		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2184	}
1569		2185
1570	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1572	or next;	2189	or next;
1573	$neigh->load;	2190	$neigh->load;
1574	}	2191	}
1575	}	2192	}
1576		2193
1577	sub find_sync {	2194	sub find_sync {
1578	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1579		2196
1580	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, $origin
1581	}	2201	}
1582		2202
1583	sub do_load_sync {	2203	sub do_load_sync {
1584	my ($map) = @_;	2204	my ($map) = @_;
1585		2205
1586	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;
1587	}	2210	}
1588		2211
1589	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1591		2214
1592	sub find_async {	2215	sub find_async {
1593	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1594		2217
1595	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1596		2219
1597	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2222	}
1600		2223
1601	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1602	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1603	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2231	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2232	$map->load if $v;
		2233	}
1608		2234
1609	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1610	}	2236	}
1611	}	2237	}
1612	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1613	};	2239	};
1614	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1615		2241
1616	()	2242	()
1617	}	2243	}
1618		2244
		2245	# common code, used by both ->save and ->swapout
1619	sub save {	2246	sub _save {
1620	my ($self) = @_;	2247	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2248
1624	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1625		2250
1626	return unless $self->dirty;	2251	return unless $self->dirty;
1627		2252
…		…
1633	return if $self->{deny_save};	2258	return if $self->{deny_save};
1634		2259
1635	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1636		2261
1637	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1639	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1640		2268
1641	if ($uniq) {	2269	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2272	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2274	}
1647	}	2275	}
1648		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1649	sub swap_out {	2285	sub swap_out {
1650	my ($self) = @_;	2286	my ($self) = @_;
1651		2287
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1657	return if $self->players;	2292	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		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
1661	$self->clear;	2303	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2304	}
1664		2305
1665	sub reset_at {	2306	sub reset_at {
1666	my ($self) = @_;	2307	my ($self) = @_;
1667		2308
1668	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1671		2311
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2314
…		…
1685	my ($self) = @_;	2325	my ($self) = @_;
1686		2326
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2328
1689	return if $self->players;	2329	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2330
1692	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1693		2332
1694	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1695		2334
1696	# need to save uniques path	2335	# need to save uniques path
1697	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2340	if $uniq;
1702	}	2341	}
1703		2342
1704	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1705		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2347	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2348
1710	$self->unlink_save;	2349	$self->unlink_save;
1711	$self->destroy;	2350	$self->destroy;
1712	}	2351	}
1713		2352
1714	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1715		2354
1716	sub nuke {	2355	sub nuke {
1717	my ($self) = @_;	2356	my ($self) = @_;
1718		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1719	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1720		2362
1721	$self->unlink_save;	2363	$self->unlink_save;
1722		2364
1723	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1724	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2370
1729	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1730		2373
1731	$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	]
1732	}	2411	}
1733		2412
1734	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1735		2414
1736	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2416	instantiated unique items. May block.
1738		2417
1739	=cut	2418	=cut
1740		2419
1741	sub unique_maps() {	2420	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2421	[
1743	or return;	2422	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2423	utf8::decode $_;
1749	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2426	? ()
1752	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2429	]
1754
1755	\@paths
1756	}	2430	}
1757		2431
1758	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	}
1759		2463
1760	=back	2464	=back
1761		2465
1762	=head3 cf::object	2466	=head3 cf::object
1763		2467
…		…
1767		2471
1768	=over 4	2472	=over 4
1769		2473
1770	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1771		2475
1772	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.
1773		2478
1774	=cut	2479	=cut
1775		2480
1776	sub inv_recursive_;	2481	sub inv_recursive_;
1777	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1780		2485
1781	sub inv_recursive {	2486	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1783	}	2488	}
1784		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
1785	package cf;	2518	package cf;
1786		2519
1787	=back	2520	=back
1788		2521
1789	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1795	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>
1796	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
1797	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1798		2531
1799	=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	};
1800		2547
1801	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2549	# with dialog boxes.
1803	#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
1804	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1806		2553
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2555
1809	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1811	} 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 {
1812	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1814	}	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 (@_);
1815	}	2581	}
1816		2582
1817	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1818		2584
1819	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1832		2598
1833	=item $player_object->enter_link	2599	=item $player_object->enter_link
1834		2600
1835	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}>).
1836		2602
1837	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.
1838	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.
1839		2607
1840	Will never block.	2608	Will never block.
1841		2609
1842	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1843		2611
…		…
1863	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1864	my ($self) = @_;	2632	my ($self) = @_;
1865		2633
1866	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1867		2635
		2636	++$self->{_link_recursion};
		2637
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2639
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1872		2642
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1874	}	2644	}
1875		2645
1876	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1878		2650
1879	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1880		2652
1881	unless ($map) {	2653	unless ($map) {
1882	# restore original map position	2654	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1895		2667
1896	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1899		2671
1900	$map->load;	2672	$map->load;
1901	$map->load_diag;	2673	$map->load_neighbours;
1902		2674
1903	return unless $self->contr->active;	2675	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2676
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1908	}	2679	# entering was successful
1909		2680	delete $self->{_link_recursion};
1910	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2682	$self->activate_recursive;
1912	my ($pl) = @_;
1913
1914	# abort map switching before logout
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},	2683	}
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2684
1924	# try to abort aborted map switching on player login :)	2685	}
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2686
1942	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		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 >>.
		2697
1944	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1945		2701
1946	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2703	my ($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	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2713
1949	$self->enter_link;	2714	$self->enter_link;
1950		2715
1951	(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
1952	my $map = eval {	2738	my $map = eval {
1953	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1955	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2754	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1960	})->prio (1);	2762	})->prio (1);
1961	}	2763	}
1962		2764
1963	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1964		2766
…		…
1984	}	2786	}
1985		2787
1986	sub prepare_random_map {	2788	sub prepare_random_map {
1987	my ($exit) = @_;	2789	my ($exit) = @_;
1988		2790
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2793	# that depends on the exit object
1994		2794
1995	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2797	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2002	}	2804	}
2003		2805
2004	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2005		2807
2006	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2009		2811
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2814	undef $fh;
2013	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2014		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2017	}	2823	}
2018	}	2824	}
2019		2825
2020	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2022		2828
2023	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2024		2830
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2831	$self->enter_link;
2037		2832
2038	(async {	2833	(async {
2039	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2040	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
2041	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2042		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
2043	1;	2857	1
2044	}) {	2858	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "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. "
2047	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2863
2050	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2051	$self->leave_link;	2865	$self->leave_link;
2052	}	2866	}
2053	})->prio (1);	2867	})->prio (1);
2054	}	2868	}
2055		2869
…		…
2069		2883
2070	utf8::encode $text;	2884	utf8::encode $text;
2071	$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);
2072	}	2886	}
2073		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
2074	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2075		3076
2076	Sends an exti event to the client.	3077	Sends an ext event to the client.
2077		3078
2078	=cut	3079	=cut
2079		3080
2080	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2082		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2084	$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	}
2085	}	3108	}
2086		3109
2087	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2088		3111
2089	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		3115
2093	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
2094	reliable at some point in the future.	3117	become reliable at some point in the future.
2095		3118
2096	=cut	3119	=cut
2097		3120
2098	sub cf::client::query {	3121	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3130	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3132
2110	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2112	}	3137	}
2113		3138
2114	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	},
2115	on_reply => sub {	3145	on_reply => sub {
2116	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2117		3147
2118	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2119	# get handled first	3149	# get handled first
…		…
2131	} else {	3161	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3163	}
2134	}	3164	}
2135	},	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	},
2136	);	3192	);
2137		3193
2138	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2139		3195
2140	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3212
2157	$coro	3213	$coro
2158	}	3214	}
2159		3215
2160	cf::client->attach (	3216	cf::client->attach (
2161	on_destroy => sub {	3217	on_client_destroy => sub {
2162	my ($ns) = @_;	3218	my ($ns) = @_;
2163		3219
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3221	},
2166	);	3222	);
…		…
2181	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2183		3239
2184	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2185		3241
2186	$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	));
2187		3247
2188	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2189		3249
2190	=pod	3250	=pod
2191		3251
2192	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2193		3253
2194	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
2195	cf::object::player player	3259	cf::object::player
2196	cf::player peaceful	3260	player
2197	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2198		3267
2199	=cut	3268	=cut
2200		3269
2201	for (	3270	for (
2202	["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)],
2203	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2206	) {	3277	) {
2207	no strict 'refs';	3278	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2227		3298
2228	my $qcode = $code;	3299	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2231		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2232	local $_;	3306	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3307
2235	my $eval =	3308	my $eval =
2236	"do {\n"	3309	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3312	. $code
2240	. "\n}"	3313	. "\n}"
2241	;	3314	;
2242		3315
		3316	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2246		3325
2247	if ($@) {	3326	if ($@) {
2248	warn "$@";	3327	warn "$@",
2249	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2250	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2251	}	3330	}
2252		3331
2253	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2254	}	3333	}
2255		3334
…		…
2269	=cut	3348	=cut
2270		3349
2271	sub register_script_function {	3350	sub register_script_function {
2272	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2273		3352
2274	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2276	}	3355	}
2277		3356
2278	=back	3357	=back
2279		3358
2280	=cut	3359	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3360
2455	#############################################################################	3361	#############################################################################
2456	# the server's init and main functions	3362	# the server's init and main functions
2457		3363
2458	sub load_facedata($) {	3364	sub load_facedata($) {
2459	my ($path) = @_;	3365	my ($path) = @_;
2460		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2461	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2462		3374
2463	my $facedata;	3375	my $facedata;
2464	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2465	or die "$path: $!";	3377	or die "$path: $!";
2466		3378
2467	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2468		3380
2469	$facedata->{version} == 2	3381	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2472	{	3393	{
2473	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2474		3395
2475	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3403
		3404	cf::cede_to_tick;
2481	}	3405	}
2482		3406
2483	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2485	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2486	or next;	3411	or next;
		3412
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3416	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3418	}
2492	Coro::cede;	3419
		3420	cf::cede_to_tick;
2493	}	3421	}
2494	}	3422	}
2495		3423
2496	{	3424	{
2497	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2498		3426
2499	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3429	cf::cede_to_tick;
2502	}	3430	}
2503		3431
2504	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2505	}	3433	}
2506		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2507	1	3454	1
2508	}	3455	}
2509		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2510	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2511	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2513	}	3487	}
2514		3488
2515	sub reload_facedata {	3489	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2525	sub reload_treasures {	3499	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2528	}	3502	}
2529		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2530	sub reload_resources {	3527	sub reload_resources {
2531	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2532		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2533	reload_regions;	3533	reload_regions;
2534	reload_facedata;
2535	reload_archetypes;
2536	reload_treasures;	3534	reload_treasures;
2537		3535
2538	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2539	}	3537	}
2540		3538
2541	sub init {	3539	sub reload_config {
2542	reload_resources;	3540	trace "reloading config file...\n";
2543	}
2544		3541
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3543	or return;
2548		3544
2549	local $/;	3545	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2551		3547
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553		3549
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556		3552
2557	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2560	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2561	};	3557	};
2562	warn $@ if $@;	3558	warn $@ if $@;
2563	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2564	}	3590	}
2565		3591
2566	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2567	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3605	(async {
2571	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2573	};	3609	};
2574		3610
2575	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2576	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2577	load_extensions;	3634	load_extensions;
2578		3635
2579	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2580	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2581	}	3649	}
2582		3650
2583	#############################################################################	3651	#############################################################################
2584	# initialisation and cleanup	3652	# initialisation and cleanup
2585		3653
2586	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2587	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2596	},
2597	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2598	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2599	}	3750	}
2600		3751
2601	sub emergency_save() {	3752	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2603		3754
2604	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2605		3761
2606	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2607	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3773	$pl->save;
2615	}	3774	}
2616	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2617		3776
2618	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3782	$map->valid or next;
2622	$map->save;	3783	$map->save;
2623	}	3784	}
2624	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2625		3786
2626	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2629	};	3815	};
2630		3816
2631	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2632	}	3818	}
2633		3819
2634	sub post_cleanup {	3820	sub post_cleanup {
2635	my ($make_core) = @_;	3821	my ($make_core) = @_;
2636		3822
		3823	IO::AIO::flush;
		3824
2637	warn Carp::longmess "post_cleanup backtrace"	3825	error Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3826	if $make_core;
		3827
		3828	my $fh = pidfile;
		3829	unlink $PIDFILE if <$fh> == $$;
		3830	}
		3831
		3832	# a safer delete_package, copied from Symbol
		3833	sub clear_package($) {
		3834	my $pkg = shift;
		3835
		3836	# expand to full symbol table name if needed
		3837	unless ($pkg =~ /^main::.*::$/) {
		3838	$pkg = "main$pkg" if $pkg =~ /^::/;
		3839	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3840	$pkg .= '::' unless $pkg =~ /::$/;
		3841	}
		3842
		3843	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3844	my $stem_symtab = *{$stem}{HASH};
		3845
		3846	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3847	or return;
		3848
		3849	# clear all symbols
		3850	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3851	for my $name (keys %$leaf_symtab) {
		3852	_gv_clear *{"$pkg$name"};
		3853	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3854	}
2639	}	3855	}
2640		3856
2641	sub do_reload_perl() {	3857	sub do_reload_perl() {
2642	# can/must only be called in main	3858	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3859	if (in_main) {
2644	warn "can only reload from main coroutine";	3860	error "can only reload from main coroutine";
2645	return;	3861	return;
2646	}	3862	}
2647		3863
		3864	return if $RELOAD++;
		3865
		3866	my $t1 = AE::time;
		3867
		3868	while ($RELOAD) {
2648	warn "reloading...";	3869	info "reloading...";
2649		3870
2650	warn "entering sync_job";	3871	trace "entering sync_job";
2651		3872
2652	cf::sync_job {	3873	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark
2654	cf::emergency_save;	3874	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark
2656		3875
2657	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660	# if anything goes wrong in here, we should simply crash as we already saved
2661
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";	3876	trace "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;	3877	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();	3878	%EXT_CORO = ();
2681		3879
2682	warn "removing commands";	3880	trace "removing commands";
2683	%COMMAND = ();	3881	%COMMAND = ();
2684		3882
2685	warn "removing ext commands";	3883	trace "removing ext/exti commands";
2686	%EXTCMD = ();	3884	%EXTCMD = ();
		3885	%EXTICMD = ();
2687		3886
2688	warn "unloading/nuking all extensions";	3887	trace "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3888	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3889	trace "... unloading $pkg";
2691		3890
2692	if (my $cb = $pkg->can ("unload")) {	3891	if (my $cb = $pkg->can ("unload")) {
2693	eval {	3892	eval {
2694	$cb->($pkg);	3893	$cb->($pkg);
2695	1	3894	1
2696	} or warn "$pkg unloaded, but with errors: $@";	3895	} or error "$pkg unloaded, but with errors: $@";
		3896	}
		3897
		3898	trace "... clearing $pkg";
		3899	clear_package $pkg;
2697	}	3900	}
2698		3901
2699	warn "... nuking $pkg";
2700	Symbol::delete_package $pkg;
2701	}
2702
2703	warn "unloading all perl modules loaded from $LIBDIR";	3902	trace "unloading all perl modules loaded from $LIBDIR";
2704	while (my ($k, $v) = each %INC) {	3903	while (my ($k, $v) = each %INC) {
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3904	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3905
2707	warn "... unloading $k";	3906	trace "... unloading $k";
2708	delete $INC{$k};	3907	delete $INC{$k};
2709		3908
2710	$k =~ s/\.pm$//;	3909	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;	3910	$k =~ s/\//::/g;
2712		3911
2713	if (my $cb = $k->can ("unload_module")) {	3912	if (my $cb = $k->can ("unload_module")) {
2714	$cb->();	3913	$cb->();
		3914	}
		3915
		3916	clear_package $k;
2715	}	3917	}
2716		3918
2717	Symbol::delete_package $k;
2718	}
2719
2720	warn "getting rid of safe::, as good as possible";	3919	trace "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3920	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3921	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3922
2724	warn "unloading cf.pm \"a bit\"";	3923	trace "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3924	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3925	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3926
2728	# don't, removes xs symbols, too,	3927	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3928	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3929	#clear_package __PACKAGE__;
2731		3930
2732	warn "unload completed, starting to reload now";	3931	info "unload completed, starting to reload now";
2733		3932
2734	warn "reloading cf.pm";	3933	trace "reloading cf.pm";
2735	require cf;	3934	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3935	cf::_connect_to_perl_1;
2737		3936
2738	warn "loading config and database again";	3937	trace "loading config and database again";
2739	cf::cfg_load;	3938	cf::reload_config;
2740		3939
2741	warn "loading extensions";	3940	trace "loading extensions";
2742	cf::load_extensions;	3941	cf::load_extensions;
2743		3942
		3943	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3944	trace "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3945	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3946	trace "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3947	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3948	trace "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3949	reattach $_ for values %PLAYER;
		3950	}
2750		3951
		3952	trace "running post_init jobs";
		3953	(pop @POST_INIT)->(1) while @POST_INIT;
		3954
2751	warn "leaving sync_job";	3955	trace "leaving sync_job";
2752		3956
2753	1	3957	1
2754	} or do {	3958	} or do {
2755	warn $@;	3959	error $@;
2756	warn "error while reloading, exiting.";	3960	cf::cleanup "error while reloading, exiting.";
2757	exit 1;	3961	};
		3962
		3963	info "reloaded";
		3964	--$RELOAD;
2758	};	3965	}
2759		3966
2760	warn "reloaded";	3967	$t1 = AE::time - $t1;
		3968	info "reload completed in ${t1}s\n";
2761	};	3969	};
2762		3970
2763	our $RELOAD_WATCHER; # used only during reload	3971	our $RELOAD_WATCHER; # used only during reload
2764		3972
2765	sub reload_perl() {	3973	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3974	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3975	# coro crashes during coro_state_free->destroy here.
2768		3976
2769	$RELOAD_WATCHER ||= Event->timer (	3977	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3978	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3979
2772	data => WF_AUTOCANCEL,	3980	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3981	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3982	undef $RELOAD_WATCHER;
2776	},	3983	};
2777	);	3984	};
2778	}	3985	}
2779		3986
2780	register_command "reload" => sub {	3987	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3988	my ($who, $arg) = @_;
2782		3989
2783	if ($who->flag (FLAG_WIZ)) {	3990	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3991	$who->message ("reloading server.");
		3992	async {
		3993	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3994	reload_perl;
		3995	};
2786	}	3996	}
2787	};	3997	};
2788		3998
2789	unshift @INC, $LIBDIR;	3999	unshift @INC, $LIBDIR;
2790		4000
…		…
2792		4002
2793	our @WAIT_FOR_TICK;	4003	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	4004	our @WAIT_FOR_TICK_BEGIN;
2795		4005
2796	sub wait_for_tick {	4006	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	4007	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		4008
2800	my $signal = new Coro::Signal;	4009	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	4010	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	4011	$signal->wait;
2803	}	4012	}
2804		4013
2805	sub wait_for_tick_begin {	4014	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		4016
2809	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	4018	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	4019	$signal->wait;
2812	}	4020	}
2813		4021
2814	$TICK_WATCHER = Event->timer (	4022	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	4023	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4024	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	4025	unless ++$bug_warning > 10;
2824	return;	4026	return;
2825	}	4027	}
2826		4028
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	4029	cf::server_tick; # one server iteration
2830		4030
2831	$RUNTIME += $TICK;	4031	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		4032
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4033	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	4034	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	4035	Coro::async_pool {
		4036	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	4037	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	4038	or error "ERROR: unable to write runtime file: $!";
2839	};
2840	}	4039	};
		4040	}
2841		4041
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4042	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	4043	$sig->send;
2853	}	4044	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	4045	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	4046	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	4047	}
2860	);	4048
		4049	$LOAD = ($NOW - $TICK_START) / $TICK;
		4050	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4051
		4052	if (0) {
		4053	if ($NEXT_TICK) {
		4054	my $jitter = $TICK_START - $NEXT_TICK;
		4055	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4056	debug "jitter $JITTER\n";#d#
		4057	}
		4058	}
		4059	}
2861		4060
2862	{	4061	{
2863	BDB::max_poll_time $TICK * 0.1;	4062	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4063
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4064	BDB::min_parallel 16;
2873		4065	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4066	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4067
2889	unless ($DB_ENV) {	4068	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	4069	$DB_ENV = BDB::db_env_create;
		4070	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4071	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4072	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4073	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4074	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		4075
2892	cf::sync_job {	4076	cf::sync_job {
2893	eval {	4077	eval {
2894	BDB::db_env_open	4078	BDB::db_env_open
2895	$DB_ENV,	4079	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4081	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4082	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4083	0666;
2900		4084
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4085	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4086	};
2906		4087
2907	cf::cleanup "db_env_open(db): $@" if $@;	4088	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4089	};
2909	}	4090	}
		4091
		4092	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4093	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4094	};
		4095	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4096	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4097	};
		4098	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4099	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4100	};
2910	}	4101	}
2911		4102
2912	{	4103	{
		4104	# configure IO::AIO
		4105
2913	IO::AIO::min_parallel 8;	4106	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4107	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4108	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4109	}
2919	data => WF_AUTOCANCEL,	4110
2920	fd => IO::AIO::poll_fileno,	4111	my $_log_backtrace;
2921	poll => 'r',	4112
2922	prio => 6,	4113	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	4114	my ($msg, @addr) = @_;
2924	);	4115
		4116	$msg =~ s/\n//;
		4117
		4118	# limit the # of concurrent backtraces
		4119	if ($_log_backtrace < 2) {
		4120	++$_log_backtrace;
		4121	my $perl_bt = Carp::longmess $msg;
		4122	async {
		4123	$Coro::current->{desc} = "abt $msg";
		4124
		4125	my @bt = fork_call {
		4126	@addr = map { sprintf "%x", $_ } @addr;
		4127	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4128	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4129	or die "addr2line: $!";
		4130
		4131	my @funcs;
		4132	my @res = <$fh>;
		4133	chomp for @res;
		4134	while (@res) {
		4135	my ($func, $line) = splice @res, 0, 2, ();
		4136	push @funcs, "[$func] $line";
		4137	}
		4138
		4139	@funcs
		4140	};
		4141
		4142	LOG llevInfo, "[ABT] $perl_bt\n";
		4143	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4144	LOG llevInfo, "[ABT] $_\n" for @bt;
		4145	--$_log_backtrace;
		4146	};
		4147	} else {
		4148	LOG llevInfo, "[ABT] $msg\n";
		4149	LOG llevInfo, "[ABT] [suppressed]\n";
		4150	}
2925	}	4151	}
2926		4152
2927	# load additional modules	4153	# load additional modules
2928	use cf::pod;	4154	require "cf/$_.pm" for @EXTRA_MODULES;
		4155	cf::_connect_to_perl_2;
2929		4156
2930	END { cf::emergency_save }	4157	END { cf::emergency_save }
2931		4158
2932	1	4159	1
2933		4160

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