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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
169	=back	258	=back
170		259
171	=cut	260	=cut
172		261
173	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	269	my $msg = join "", @_;
176		270
177	$msg .= "\n"	271	$msg .= "\n"
178	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
179		273
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		275
182	utf8::encode $msg;
183	LOG llevError, $msg;	276	LOG llevWarn, $msg;
184	};	277	};
185	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
186		292
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		300
194	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	302	# within the Safe compartment.
196	for my $pkg (qw(	303	for my $pkg (qw(
197	cf::global cf::attachable	304	cf::global cf::attachable
198	cf::object cf::object::player	305	cf::object cf::object::player
199	cf::client cf::player	306	cf::client cf::player
200	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
201	cf::map cf::party cf::region	309	cf::party cf::region
202	)) {	310	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	312	}
206		313
207	$Event::DIED = sub {	314	$EV::DIED = sub {
208	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
209	};	316	};
		317
		318	#############################################################################
210		319
211	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
212		321
213	=over 4	322	=over 4
214		323
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	343	$d
235	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
236	}	345	}
237		346
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
241		348
242	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
243		350
244	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
245		352
246	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
247		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
248	=item cf::lock_wait $string	388	=item cf::lock_wait $string
249		389
250	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
251		391
252	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
253		393
254	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
257	returned.	397	returned.
258		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
259	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
261		404
262	=item $locked = cf::lock_active $string	405	=item $locked = cf::lock_active $string
263		406
264	Return true if the lock is currently active, i.e. somebody has locked it.	407	Return true if the lock is currently active, i.e. somebody has locked it.
265		408
266	=cut	409	=cut
267		410
268	our %LOCK;	411	our $LOCKS = new Coro::SemaphoreSet;
269		412
270	sub lock_wait($) {	413	sub lock_wait($) {
271	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	415	}
279		416
280	sub lock_acquire($) {	417	sub lock_acquire($) {
281	my ($key) = @_;	418	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	419	}
293		420
294	sub lock_active($) {	421	sub lock_active($) {
295	my ($key) = @_;	422	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	423	}
299		424
300	sub freeze_mainloop {	425	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
302		427
303	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
305	};	495	}
306	$TICK_WATCHER->stop;	496	};
307	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
308	}	511	}
309		512
310	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
311		514
312	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		520
318	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
319		522
320	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
321		524
322	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
325		529
326	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
329	fast or be very important.	533	fast or be very important.
…		…
331	=cut	535	=cut
332		536
333	sub sync_job(&) {	537	sub sync_job(&) {
334	my ($job) = @_;	538	my ($job) = @_;
335		539
336	if ($Coro::current == $Coro::main) {	540	if (in_main) {
337	my $time = Event::time;	541	my $time = AE::time;
338		542
339	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
341		545
342	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	547
344	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
345		549
346	my $busy = 1;	550	my $busy = 1;
347	my @res;	551	my @res;
348		552
349	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	555	@res = eval { $job->() };
351	warn $@ if $@;	556	error $@ if $@;
352	undef $busy;	557	undef $busy;
353	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
354		559
355	while ($busy) {	560	while ($busy) {
356	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
357	}	565	}
		566	}
358		567
359	$time = Event::time - $time;	568	my $time = AE::time - $time;
360		569
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	570	$TICK_START += $time; # do not account sync jobs to server load
365		571
366	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
367	} else {	573	} else {
368	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
369		575
…		…
389	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
390		596
391	$coro	597	$coro
392	}	598	}
393		599
394	sub write_runtime {	600	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		601
397	# first touch the runtime file to show we are still running:	602	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
399		606
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	607	=cut
401	utime undef, undef, $fh;	608
		609	sub post_fork {
		610	reset_signals;
		611	}
		612
		613	sub fork_call(&@) {
		614	my ($cb, @args) = @_;
		615
		616	# we seemingly have to make a local copy of the whole thing,
		617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
		619
		620	my @res = Coro::Util::fork_eval {
		621	cf::post_fork;
		622	&$cb
		623	} @args;
		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
		629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
402	}	696	};
		697	cf::cleanup "db_open(db): $@" if $@;
403		698
404	my $guard = cf::lock_acquire "write_runtime";	699	$db
		700	}
405		701
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	702	our $DB;
407	or return;
408		703
409	my $value = $cf::RUNTIME + 90 + 10;	704	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	705	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	706	}
412		707
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	708	sub db_get($$) {
414	and return;	709	my $key = "$_[0]/$_[1]";
415		710
416	# always fsync - this file is important	711	cf::error "db_get called from main context"
417	aio_fsync $fh	712	if $Coro::current == $Coro::main;
418	and return;
419		713
420	# touch it again to show we are up-to-date	714	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		715
423	close $fh	716	$! ? ()
424	or return;	717	: $data
		718	}
425		719
426	aio_rename "$runtime~", $runtime	720	sub db_put($$$) {
427	and return;	721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
428		724
429	warn "runtime file written.\n";#d#	725	=item cf::cache $id => [$paths...], $processversion => $process
430		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
431	1	790	}
		791
		792	db_get cache => "$id/data"
432	}	793	}
433		794
434	=item cf::datalog type => key => value, ...	795	=item cf::datalog type => key => value, ...
435		796
436	Log a datalog packet of the given type with the given key-value pairs.	797	Log a datalog packet of the given type with the given key-value pairs.
437		798
438	=cut	799	=cut
439		800
440	sub datalog($@) {	801	sub datalog($@) {
441	my ($type, %kv) = @_;	802	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	804	}
444		805
445	=back	806	=back
446		807
447	=cut	808	=cut
448		809
449	#############################################################################	810	#############################################################################
450		811
451	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
452		813
453	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
456		817
457	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	820	Deliantra).
460		821
461	=over 4	822	=over 4
462		823
463	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
464		825
…		…
508	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
509		870
510	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
512		873
513	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
515		876
516	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
517		878
518	=over 4	879	=over 4
…		…
642		1003
643	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1006
646	} elsif (ref $type) {	1007	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
648		1009
649	} else {	1010	} else {
650	shift @arg;	1011	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
652	}	1013	}
653	}	1014	}
654	}	1015	}
655		1016
656	sub _object_attach {	1017	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
667	}	1028	}
668		1029
669	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
670	} else {	1031	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1033	}
673		1034
674	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
675	}	1036	}
676		1037
…		…
716	";	1077	";
717	die if $@;	1078	die if $@;
718	}	1079	}
719		1080
720	our $override;	1081	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1083
723	sub override {	1084	sub override {
724	$override = 1;	1085	$override = 1;
725	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
726	}	1087	}
727		1088
728	sub do_invoke {	1089	sub do_invoke {
729	my $event = shift;	1090	my $event = shift;
730	my $callbacks = shift;	1091	my $callbacks = shift;
731		1092
732	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
733		1094
734	local $override;	1095	local $override;
735		1096
736	for (@$callbacks) {	1097	for (@$callbacks) {
737	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
738		1099
739	if ($@) {	1100	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1102	override;
743	}	1103	}
744		1104
745	return 1 if $override;	1105	return 1 if $override;
746	}	1106	}
747		1107
748	0	1108	0
749	}	1109	}
750		1110
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1112
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1114
755	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
756		1116
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1120
761	=back	1121	=back
762		1122
763	=cut	1123	=cut
764		1124
765	#############################################################################	1125	#############################################################################
766	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
767		1169
768	sub reattach {	1170	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1172	my ($obj) = @_;
771		1173
		1174	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1176
774	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
775		1178
776	@$registry = ();	1179	@$registry = ();
777		1180
…		…
782	for (@$attach) {	1185	for (@$attach) {
783	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
785	}	1188	}
786	} else {	1189	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1191	}
789	}	1192	}
790	}	1193	}
791		1194
792	cf::attachable->attach (	1195	cf::attachable->attach (
793	prio => -1000000,	1196	prio => -1000000,
794	on_instantiate => sub {	1197	on_instantiate => sub {
795	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
796		1199
797	$data = from_json $data;	1200	$data = decode_json $data;
798		1201
799	for (@$data) {	1202	for (@$data) {
800	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
801		1204
802	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1221	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
820		1223
821	sync_job {	1224	sync_job {
822	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
825		1230
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
830	close $fh;	1238	aio_close $fh;
831		1239
832	if (@$objs) {	1240	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
838	close $fh;	1249	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
840	}	1251	}
841	} else {	1252	} else {
842	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
843	}	1254	}
844		1255
845	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1260	} else {
847	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
848	}	1262	}
849	} else {	1263	} else {
850	aio_unlink $filename;	1264	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
852	}	1266	}
853	}	1267	};
854	}	1268	}
855		1269
856	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
858		1272
…		…
870	or return;	1284	or return;
871		1285
872	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
874	or return;	1288	or return;
		1289
875	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
876	}	1292	}
877		1293
		1294	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
880	return ($data, $av);	1299	($data, $av)
881	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
882		1307
883	#############################################################################	1308	#############################################################################
884	# command handling &c	1309	# command handling &c
885		1310
886	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1325	}
901		1326
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1328
904	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
905		1334
906	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
907	called.	1336	called.
908		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
909	=cut	1349	=cut
910		1350
911	sub register_extcmd {	1351	sub register_extcmd {
912	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
913		1353
914	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
915	}	1355	}
916		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
917	cf::player->attach (	1365	cf::player->attach (
918	on_command => sub {	1366	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
920		1368
921	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
922	or return;	1370	or return;
923		1371
…		…
928	cf::override;	1376	cf::override;
929	},	1377	},
930	on_extcmd => sub {	1378	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
932		1380
933	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1382
935	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
941	} else {	1398	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1400	}
944		1401
945	cf::override;	1402	cf::override;
946	},	1403	},
947	);	1404	);
948		1405
		1406	# "readahead" all extensions
949	sub load_extension {	1407	sub cache_extensions {
950	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
951		1409
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1413	}
977	die $@;
978	}	1414	};
979		1415
980	push @EXTS, $pkg;	1416	$grp
981	}	1417	}
982		1418
983	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
984	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1426	next unless -r $path;
986	eval {	1427
987	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
988	1	1491	}
989	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
990	}	1502	};
991	}	1503	}
992		1504
993	#############################################################################	1505	#############################################################################
994		1506
		1507	=back
		1508
995	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
996		1510
997	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
998		1512
999	=cut	1513	=cut
1000		1514
1001	package cf::player;	1515	package cf::player;
1002		1516
1003	use Coro::AIO;	1517	use Coro::AIO;
1004		1518
1005	=head3 cf::player	1519	=head3 cf::player
1006		1520
1007	=over 4	1521	=over 4
		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
1008		1536
1009	=item cf::player::find $login	1537	=item cf::player::find $login
1010		1538
1011	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1012		1540
…		…
1031		1559
1032	sub exists($) {	1560	sub exists($) {
1033	my ($login) = @_;	1561	my ($login) = @_;
1034		1562
1035	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
1037	}	1565	}
1038		1566
1039	sub find($) {	1567	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1569	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1579	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1580
1053	my $pl = load_pl path $login	1581	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
1056	}	1590	}
1057	}	1591	}
1058	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1059		1606
1060	sub save($) {	1607	sub save($) {
1061	my ($pl) = @_;	1608	my ($pl) = @_;
1062		1609
1063	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1069		1616
1070	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1072		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1073	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1074	Coro::cede;	1626	cf::cede_to_tick;
1075	}	1627	}
1076		1628
1077	sub new($) {	1629	sub new($) {
1078	my ($login) = @_;	1630	my ($login) = @_;
1079		1631
…		…
1085	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1086		1638
1087	$self	1639	$self
1088	}	1640	}
1089		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1090	=item $pl->quit_character	1652	=item $pl->quit_character
1091		1653
1092	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1094		1656
…		…
1098	my ($pl) = @_;	1660	my ($pl) = @_;
1099		1661
1100	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1101		1663
1102	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1666
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1108	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1109		1675
1110	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
…		…
1147	or return [];	1713	or return [];
1148		1714
1149	my @logins;	1715	my @logins;
1150		1716
1151	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1155		1727
1156	utf8::decode $login;	1728	utf8::decode $login;
1157	push @logins, $login;	1729	push @logins, $login;
1158	}	1730	}
1159		1731
1160	\@logins	1732	\@logins
1161	}	1733	}
1162		1734
1163	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1164		1738
1165	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1166	player. May block.	1740	player. May block.
1167		1741
1168	=cut	1742	=cut
…		…
1186	}	1760	}
1187		1761
1188	\@paths	1762	\@paths
1189	}	1763	}
1190		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1191	=item $player->ext_reply ($msgid, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1192		1770
1193	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1194		1772
1195	=cut	1773	=cut
1196		1774
1197	sub ext_reply($$%) {	1775	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1199		1777
1200	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1779	}
1204		1780
1205	=item $player->ext_event ($type, %msg)	1781	=item $player->ext_msg ($type, @msg)
1206		1782
1207	Sends an ext event to the client.	1783	Sends an ext event to the client.
1208		1784
1209	=cut	1785	=cut
1210		1786
1211	sub ext_event($$%) {	1787	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1788	my ($self, $type, @msg) = @_;
1213		1789
1214	$self->ns->ext_event ($type, %msg);	1790	$self->ns->ext_msg ($type, @msg);
1215	}	1791	}
1216		1792
1217	=head3 cf::region	1793	=head3 cf::region
1218		1794
1219	=over 4	1795	=over 4
…		…
1222		1798
1223	package cf::region;	1799	package cf::region;
1224		1800
1225	=item cf::region::find_by_path $path	1801	=item cf::region::find_by_path $path
1226		1802
1227	Tries to decuce the probable region for a map knowing only its path.	1803	Tries to decuce the likely region for a map knowing only its path.
1228		1804
1229	=cut	1805	=cut
1230		1806
1231	sub find_by_path($) {	1807	sub find_by_path($) {
1232	my ($path) = @_;	1808	my ($path) = @_;
1233		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
1234	my ($match, $specificity);	1812	my ($match, $specificity);
1235		1813
1236	for my $region (list) {	1814	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1815	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1816	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1817	if $region->specificity > $specificity;
1240	}	1818	}
1241	}	1819	}
1242		1820
…		…
1263	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1265		1843
1266	sub generate_random_map {	1844	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1268	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1850	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1291		1872
1292	sub register {	1873	sub register {
1293	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1875	my $pkg = caller;
1295		1876
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1878
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1880	}
1301		1881
1302	# also paths starting with '/'	1882	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1884
1305	sub thawer_merge {	1885	sub thawer_merge {
1306	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1307		1887
1308	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1309	local $self->{path};	1889	local $self->{path};
1310	local $self->{load_path};	1890	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1891
1314	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1315	}	1893	}
1316		1894
1317	sub normalise {	1895	sub normalise {
1318	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1319		1897
1320	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1321		1899
1322	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1323		1901
1324	# map plan:	1902	# map plan:
1325	#	1903	#
…		…
1364	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1365	return $self;	1943	return $self;
1366	}	1944	}
1367	}	1945	}
1368		1946
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1948	()
1371	}	1949	}
1372		1950
1373	sub init {	1951	sub init {
1374	my ($self) = @_;	1952	my ($self) = @_;
…		…
1396		1974
1397	# the temporary/swap location	1975	# the temporary/swap location
1398	sub save_path {	1976	sub save_path {
1399	my ($self) = @_;	1977	my ($self) = @_;
1400		1978
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1980	"$TMPDIR/$path.map"
1403	}	1981	}
1404		1982
1405	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1406	sub uniq_path {	1984	sub uniq_path {
1407	my ($self) = @_;	1985	my ($self) = @_;
1408		1986
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1988	"$UNIQUEDIR/$path"
1411	}	1989	}
1412		1990
1413	# and all this just because we cannot iterate over	1991	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1992	my ($self) = @_;
1417		1993
1418	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1420	}	1997	}
1421		1998
1422	sub unlink_save {	1999	sub unlink_save {
1423	my ($self) = @_;	2000	my ($self) = @_;
1424		2001
…		…
1429		2006
1430	sub load_header_from($) {	2007	sub load_header_from($) {
1431	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1432		2009
1433	utf8::encode $path;	2010	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1439		2019
1440	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1441		2021
1442	1	2022	1
1443	}	2023	}
…		…
1482	$self->load_header_orig	2062	$self->load_header_orig
1483	or return;	2063	or return;
1484	$self->prepare_orig;	2064	$self->prepare_orig;
1485	}	2065	}
1486		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
1487	$self->default_region (cf::region::find_by_path $self->{path})	2070	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2071	unless $self->default_region;
1489		2072
1490	1	2073	1
1491	}	2074	}
1492		2075
1493	sub find;	2076	sub find;
1494	sub find {	2077	sub find {
1495	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1496		2079
		2080	cf::cede_to_tick;
		2081
1497	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1498		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2086
1501	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1504	or return;	2089	or return;
1505		2090
1506	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1507		2092
1508	$map->load_header	2093	$map->load_header
1509	or return;	2094	or return;
1510		2095
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1514	$map->reset;	2101	$map->reset;
1515	undef $guard;
1516	return find $path;	2102	return find $path;
1517	}	2103	}
1518		2104
1519	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1520	}	2106	}
1521	}	2107	}
1522		2108
1523	sub pre_load { }	2109	sub pre_load { }
1524	sub post_load { }	2110	#sub post_load { } # XS
1525		2111
1526	sub load {	2112	sub load {
1527	my ($self) = @_;	2113	my ($self) = @_;
1528		2114
1529	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1530		2116
1531	my $path = $self->{path};	2117	my $path = $self->{path};
1532		2118
1533	{	2119	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1535		2121
		2122	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2124
1538	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1539		2126
1540	$self->alloc;	2127	$self->alloc;
1541		2128
1542	$self->pre_load;	2129	$self->pre_load;
1543	Coro::cede;	2130	cf::cede_to_tick;
1544		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2134	$self->_load_objects ($f)
1546	or return;	2135	or return;
1547		2136
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1549	if delete $self->{load_original};	2138	if delete $self->{load_original};
1550		2139
1551	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2141	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2144	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1556	}	2148	}
1557	}	2149	}
1558		2150
1559	Coro::cede;	2151	$f->resolve_delayed_derefs;
		2152
		2153	cf::cede_to_tick;
1560	# now do the right thing for maps	2154	# now do the right thing for maps
1561	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2157	unless $self->difficulty;
1564	Coro::cede;	2158	cf::cede_to_tick;
1565		2159
1566	unless ($self->{deny_activate}) {	2160	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2161	$self->decay_objects;
1568	$self->fix_auto_apply;	2162	$self->fix_auto_apply;
1569	$self->update_buttons;	2163	$self->update_buttons;
1570	Coro::cede;	2164	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2165	$self->activate;
1574	}	2166	}
1575		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2172	}
1578		2173
1579	$self->post_load;	2174	$self->post_load;
1580	}	2175	}
1581		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2180	sub customise_for {
1583	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1584		2182
1585	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2184	if $self->per_player;
1587		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1588	$self	2189	$self
1589	}	2190	}
1590		2191
1591	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2193	sub load_neighbours {
1593	my ($map) = @_;	2194	my ($map) = @_;
1594		2195
1595	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1596		2197
1597	for (0 .. 3) {	2198	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1599	or next;	2200	or next;
1600	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1601	or next;	2202	or next;
1602	$neigh->load;	2203	$neigh->load;
1603		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2209	}
1607		2210
1608	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1610	or next;	2214	or next;
1611	$neigh->load;	2215	$neigh->load;
1612	}	2216	}
1613	}	2217	}
1614		2218
1615	sub find_sync {	2219	sub find_sync {
1616	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1617		2221
1618	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1619	}	2226	}
1620		2227
1621	sub do_load_sync {	2228	sub do_load_sync {
1622	my ($map) = @_;	2229	my ($map) = @_;
1623		2230
1624	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1625	}	2235	}
1626		2236
1627	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1629		2239
1630	sub find_async {	2240	sub find_async {
1631	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1632		2242
1633	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1634		2244
1635	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2247	}
1638		2248
1639	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1640	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1641	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2256	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2257	$map->load if $v;
		2258	}
1646		2259
1647	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1648	}	2261	}
1649	}	2262	}
1650	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1651	};	2264	};
1652	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1653		2266
1654	()	2267	()
1655	}	2268	}
1656		2269
		2270	# common code, used by both ->save and ->swapout
1657	sub save {	2271	sub _save {
1658	my ($self) = @_;	2272	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2273
1662	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1663		2275
1664	return unless $self->dirty;	2276	return unless $self->dirty;
1665		2277
…		…
1671	return if $self->{deny_save};	2283	return if $self->{deny_save};
1672		2284
1673	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1674		2286
1675	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1677	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1678		2293
1679	if ($uniq) {	2294	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2297	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2299	}
1685	}	2300	}
1686		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1687	sub swap_out {	2310	sub swap_out {
1688	my ($self) = @_;	2311	my ($self) = @_;
1689		2312
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1695	return if $self->players;	2317	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1699	$self->clear;	2328	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2329	}
1702		2330
1703	sub reset_at {	2331	sub reset_at {
1704	my ($self) = @_;	2332	my ($self) = @_;
1705		2333
1706	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1709		2336
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2339
…		…
1723	my ($self) = @_;	2350	my ($self) = @_;
1724		2351
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2353
1727	return if $self->players;	2354	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2355
1730	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1731		2357
1732	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1733		2359
1734	# need to save uniques path	2360	# need to save uniques path
1735	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2365	if $uniq;
1740	}	2366	}
1741		2367
1742	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1743		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2372	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2373
1748	$self->unlink_save;	2374	$self->unlink_save;
1749	$self->destroy;	2375	$self->destroy;
1750	}	2376	}
1751		2377
1752	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1753		2379
1754	sub nuke {	2380	sub nuke {
1755	my ($self) = @_;	2381	my ($self) = @_;
1756		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1757	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1758		2387
1759	$self->unlink_save;	2388	$self->unlink_save;
1760		2389
1761	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2395
1767	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1768		2398
1769	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1770	}	2436	}
1771		2437
1772	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1773		2439
1774	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2441	instantiated unique items. May block.
1776		2442
1777	=cut	2443	=cut
1778		2444
1779	sub unique_maps() {	2445	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2446	[
1781	or return;	2447	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2448	utf8::decode $_;
1787	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2451	? ()
1790	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2454	]
1792
1793	\@paths
1794	}	2455	}
1795		2456
1796	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1797		2488
1798	=back	2489	=back
1799		2490
1800	=head3 cf::object	2491	=head3 cf::object
1801		2492
…		…
1805		2496
1806	=over 4	2497	=over 4
1807		2498
1808	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1809		2500
1810	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1811		2503
1812	=cut	2504	=cut
1813		2505
1814	sub inv_recursive_;	2506	sub inv_recursive_;
1815	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1818		2510
1819	sub inv_recursive {	2511	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1821	}	2513	}
1822		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1823	package cf;	2543	package cf;
1824		2544
1825	=back	2545	=back
1826		2546
1827	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1836		2556
1837	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1838		2572
1839	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2574	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1844		2578
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2580
1847	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1849	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1852	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1853	}	2606	}
1854		2607
1855	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1856		2609
1857	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1870		2623
1871	=item $player_object->enter_link	2624	=item $player_object->enter_link
1872		2625
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2627
1875	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1877		2632
1878	Will never block.	2633	Will never block.
1879		2634
1880	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1881		2636
…		…
1901	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2657	my ($self) = @_;
1903		2658
1904	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1905		2660
		2661	++$self->{_link_recursion};
		2662
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2664
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1910		2667
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2669	}
1913		2670
1914	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1916		2675
1917	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1918		2677
1919	unless ($map) {	2678	unless ($map) {
1920	# restore original map position	2679	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1933		2692
1934	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1937		2696
1938	$map->load;	2697	$map->load;
1939	$map->load_diag;	2698	$map->load_neighbours;
1940		2699
1941	return unless $self->contr->active;	2700	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2701
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1946	}	2704	# entering was successful
1947		2705	delete $self->{_link_recursion};
1948	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2707	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2708	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2709
1962	# try to abort aborted map switching on player login :)	2710	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2711
1980	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1982	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1983		2726
1984	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2738
1987	$self->enter_link;	2739	$self->enter_link;
1988		2740
1989	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1990	my $map = eval {	2763	my $map = eval {
1991	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1993	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2779	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1998	})->prio (1);	2787	})->prio (1);
1999	}	2788	}
2000		2789
2001	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
2002		2791
…		…
2022	}	2811	}
2023		2812
2024	sub prepare_random_map {	2813	sub prepare_random_map {
2025	my ($exit) = @_;	2814	my ($exit) = @_;
2026		2815
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2818	# that depends on the exit object
2032		2819
2033	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2822	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
2040	}	2829	}
2041		2830
2042	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
2043		2832
2044	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
2047		2836
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2839	undef $fh;
2051	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
2052		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
2055	}	2848	}
2056	}	2849	}
2057		2850
2058	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
2060		2853
2061	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
2062		2855
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2856	$self->enter_link;
2075		2857
2076	(async {	2858	(async {
2077	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
2078	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
2079	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
2080		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
2081	1;	2882	1
2082	}) {	2883	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2888
2088	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2890	$self->leave_link;
2090	}	2891	}
2091	})->prio (1);	2892	})->prio (1);
2092	}	2893	}
2093		2894
…		…
2107		2908
2108	utf8::encode $text;	2909	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2911	}
2111		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
2112	=item $client->ext_event ($type, %msg)	3100	=item $client->ext_msg ($type, @msg)
2113		3101
2114	Sends an exti event to the client.	3102	Sends an ext event to the client.
2115		3103
2116	=cut	3104	=cut
2117		3105
2118	sub cf::client::ext_event($$%) {	3106	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3107	my ($self, $type, @msg) = @_;
2120		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3112	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
2123	}	3133	}
2124		3134
2125	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2126		3136
2127	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3140
2131	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3142	become reliable at some point in the future.
2133		3143
2134	=cut	3144	=cut
2135		3145
2136	sub cf::client::query {	3146	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3155	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3157
2148	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2150	}	3162	}
2151		3163
2152	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2153	on_reply => sub {	3170	on_reply => sub {
2154	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2155		3172
2156	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2157	# get handled first	3174	# get handled first
…		…
2169	} else {	3186	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3188	}
2172	}	3189	}
2173	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2174	);	3217	);
2175		3218
2176	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2177		3220
2178	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3237
2195	$coro	3238	$coro
2196	}	3239	}
2197		3240
2198	cf::client->attach (	3241	cf::client->attach (
2199	on_destroy => sub {	3242	on_client_destroy => sub {
2200	my ($ns) = @_;	3243	my ($ns) = @_;
2201		3244
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3246	},
2204	);	3247	);
…		…
2219	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2221		3264
2222	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2223		3266
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2225		3272
2226	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2227		3274
2228	=pod	3275	=pod
2229		3276
2230	The following functions and methods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2231		3278
2232	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2233	cf::object::player player	3284	cf::object::player
2234	cf::player peaceful	3285	player
2235	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2236		3292
2237	=cut	3293	=cut
2238		3294
2239	for (	3295	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2244	) {	3302	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3305	for @funs;
2249	}	3306	}
2250		3307
…		…
2265		3322
2266	my $qcode = $code;	3323	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2269		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2270	local $_;	3330	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3331
2273	my $eval =	3332	my $eval =
2274	"do {\n"	3333	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3336	. $code
2278	. "\n}"	3337	. "\n}"
2279	;	3338	;
2280		3339
		3340	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2284		3349
2285	if ($@) {	3350	if ($@) {
2286	warn "$@";	3351	warn "$@",
2287	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2289	}	3354	}
2290		3355
2291	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2292	}	3357	}
2293		3358
…		…
2307	=cut	3372	=cut
2308		3373
2309	sub register_script_function {	3374	sub register_script_function {
2310	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2311		3376
2312	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2314	}	3379	}
2315		3380
2316	=back	3381	=back
2317		3382
2318	=cut	3383	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3384
2494	#############################################################################	3385	#############################################################################
2495	# the server's init and main functions	3386	# the server's init and main functions
2496		3387
2497	sub load_facedata($) {	3388	sub load_facedata($) {
2498	my ($path) = @_;	3389	my ($path) = @_;
2499		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2500	warn "loading facedata from $path\n";	3397	trace "loading facedata from $path\n";
2501		3398
2502	my $facedata;
2503	0 < aio_load $path, $facedata	3399	0 < aio_load $path, my $facedata
2504	or die "$path: $!";	3400	or die "$path: $!";
2505		3401
2506	$facedata = Coro::Storable::thaw $facedata;	3402	$facedata = Coro::Storable::thaw $facedata;
2507		3403
2508	$facedata->{version} == 2	3404	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
2511	{	3416	{
2512	my $faces = $facedata->{faceinfo};	3417	my $faces = $facedata->{faceinfo};
2513		3418
2514	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3426
		3427	cf::cede_to_tick;
2520	}	3428	}
2521		3429
2522	while (my ($face, $info) = each %$faces) {	3430	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3431	next unless $info->{smooth};
		3432
2524	my $idx = cf::face::find $face	3433	my $idx = cf::face::find $face
2525	or next;	3434	or next;
		3435
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3439	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3440	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3441	}
2531	Coro::cede;	3442
		3443	cf::cede_to_tick;
2532	}	3444	}
2533	}	3445	}
2534		3446
2535	{	3447	{
2536	my $anims = $facedata->{animinfo};	3448	my $anims = $facedata->{animinfo};
2537		3449
2538	while (my ($anim, $info) = each %$anims) {	3450	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3452	cf::cede_to_tick;
2541	}	3453	}
2542		3454
2543	cf::anim::invalidate_all; # d'oh	3455	cf::anim::invalidate_all; # d'oh
2544	}	3456	}
2545		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
2546	1	3477	1
2547	}	3478	}
2548		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
2549	sub reload_regions {	3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
2550	load_resource_file "$MAPDIR/regions"	3503	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
2552	}	3510	}
2553		3511
2554	sub reload_facedata {	3512	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3513	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3514	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3522	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3523	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3524	or die "unable to load treasurelists\n";
2567	}	3525	}
2568		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2569	sub reload_resources {	3550	sub reload_resources {
2570	warn "reloading resource files...\n";	3551	trace "reloading resource files...\n";
2571		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
2572	reload_regions;	3558	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3559	reload_treasures;
2576		3560
2577	warn "finished reloading resource files\n";	3561	trace "finished reloading resource files\n";
2578	}	3562	}
2579		3563
2580	sub init {	3564	sub reload_config {
2581	reload_resources;	3565	trace "reloading config file...\n";
2582	}
2583		3566
2584	sub cfg_load {	3567	0 < aio_load "$CONFDIR/config", my $config
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3568	or die "$CONFDIR/config: $!";
2586	or return;
2587		3569
2588	local $/;	3570	utf8::decode $config;
2589	*CFG = YAML::Syck::Load <$fh>;	3571	*CFG = yaml_load $config;
2590		3572
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3574
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3577
2596	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2600	};	3582	};
2601	warn $@ if $@;	3583	warn $@ if $@;
2602	}	3584	}
2603	}	3585	}
2604		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2605	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2606	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3628	(async {
2610	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2612	};	3632	};
2613		3633
2614	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2615	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2616	load_extensions;	3657	load_extensions;
2617		3658
2618	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2620	}	3677	}
2621		3678
2622	#############################################################################	3679	#############################################################################
2623	# initialisation and cleanup	3680	# initialisation and cleanup
2624		3681
2625	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2626	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2635	},
2636	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2637	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2638	}	3778	}
2639		3779
2640	sub emergency_save() {	3780	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2642		3782
2643	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2644		3789
2645	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2646	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3801	$pl->save;
2654	}	3802	}
2655	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2656		3804
2657	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3810	$map->valid or next;
2661	$map->save;	3811	$map->save;
2662	}	3812	}
2663	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2664		3814
2665	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3843	};
2669		3844
2670	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2671	}	3846	}
2672		3847
2673	sub post_cleanup {	3848	sub post_cleanup {
2674	my ($make_core) = @_;	3849	my ($make_core) = @_;
2675		3850
		3851	IO::AIO::flush;
		3852
2676	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
2678	}	3883	}
2679		3884
2680	sub do_reload_perl() {	3885	sub do_reload_perl() {
2681	# can/must only be called in main	3886	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2683	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2684	return;	3889	return;
2685	}	3890	}
2686		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2687	warn "reloading...";	3898	info "reloading...";
2688		3899
2689	warn "entering sync_job";	3900	trace "entering sync_job";
2690		3901
2691	cf::sync_job {	3902	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3903	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3904
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3907	%EXT_CORO = ();
2720		3908
2721	warn "removing commands";	3909	trace "removing commands";
2722	%COMMAND = ();	3910	%COMMAND = ();
2723		3911
2724	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2725	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2726		3915
2727	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2730		3919
2731	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3921	eval {
2733	$cb->($pkg);	3922	$cb->($pkg);
2734	1	3923	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2736	}	3929	}
2737		3930
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3934
2746	warn "... unloading $k";	3935	trace "... unloading $k";
2747	delete $INC{$k};	3936	delete $INC{$k};
2748		3937
2749	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2751		3940
2752	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2754	}	3946	}
2755		3947
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3951
2763	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3955
2767	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3957	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2770		3959
2771	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2772		3961
2773	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2774	require cf;	3963	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2776		3965
2777	warn "loading config and database again";	3966	trace "loading config and database again";
2778	cf::cfg_load;	3967	cf::reload_config;
2779		3968
2780	warn "loading extensions";	3969	trace "loading extensions";
2781	cf::load_extensions;	3970	cf::load_extensions;
2782		3971
		3972	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2789		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
2790	warn "leaving sync_job";	3984	trace "leaving sync_job";
2791		3985
2792	1	3986	1
2793	} or do {	3987	} or do {
2794	warn $@;	3988	error $@;
2795	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2796	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
2797	};	3994	}
2798		3995
2799	warn "reloaded";	3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
2800	};	3998	};
2801		3999
2802	our $RELOAD_WATCHER; # used only during reload	4000	our $RELOAD_WATCHER; # used only during reload
2803		4001
2804	sub reload_perl() {	4002	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4003	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4004	# coro crashes during coro_state_free->destroy here.
2807		4005
2808	$RELOAD_WATCHER ||= Event->timer (	4006	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4007	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4008
2811	data => WF_AUTOCANCEL,	4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4010	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4011	undef $RELOAD_WATCHER;
2815	},	4012	};
2816	);	4013	};
2817	}	4014	}
2818		4015
2819	register_command "reload" => sub {	4016	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2821		4018
2822	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4023	reload_perl;
		4024	};
2825	}	4025	}
2826	};	4026	};
2827		4027
2828	unshift @INC, $LIBDIR;	4028	#############################################################################
2829		4029
2830	my $bug_warning = 0;	4030	my $bug_warning = 0;
2831		4031
2832	our @WAIT_FOR_TICK;	4032	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4033	our @WAIT_FOR_TICK_BEGIN;
2834		4034
2835	sub wait_for_tick {	4035	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4037
2839	my $signal = new Coro::Signal;	4038	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4039	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4040	$signal->wait;
2842	}	4041	}
2843		4042
2844	sub wait_for_tick_begin {	4043	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4045
2848	my $signal = new Coro::Signal;	4046	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4047	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4048	$signal->wait;
2851	}	4049	}
2852		4050
2853	$TICK_WATCHER = Event->timer (	4051	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2863	return;	4055	return;
2864	}	4056	}
2865		4057
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2869		4059
2870	$RUNTIME += $TICK;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4061
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4066	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4068	};
		4069	}
2880		4070
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4072	$sig->send;
2886	}	4073	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4074	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4075	$sig->send;
2889	}	4076	}
2890		4077
2891	$NOW = Event::time;	4078	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4080
2902	_post_tick;	4081	if (0) {
2903		4082	if ($NEXT_TICK) {
2904		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
2905	},	4087	}
2906	);	4088	}
2907		4089
2908	{	4090	{
2909	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4092
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2919		4094	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4096
2935	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4104
2938	cf::sync_job {	4105	cf::sync_job {
2939	eval {	4106	eval {
2940	BDB::db_env_open	4107	BDB::db_env_open
2941	$DB_ENV,	4108	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4112	0666;
2946		4113
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4115	};
2952		4116
2953	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4118	};
2955	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2956	}	4130	}
2957		4131
2958	{	4132	{
		4133	# configure IO::AIO
		4134
2959	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4138	}
2972		4139
2973	my $_log_backtrace;	4140	my $_log_backtrace;
2974		4141
2975	sub _log_backtrace {	4142	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	4145	$msg =~ s/\n//;
2979		4146
2980	# limit the # of concurrent backtraces	4147	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4148	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
2983	async {	4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
2984	my @bt = fork_call {	4154	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4155	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4158	or die "addr2line: $!";
…		…
2996	}	4166	}
2997		4167
2998	@funcs	4168	@funcs
2999	};	4169	};
3000		4170
3001	LOG llevInfo, "[ABT] $msg\n";	4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4173	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4174	--$_log_backtrace;
3004	};	4175	};
3005	} else {	4176	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4177	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4178	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	4179	}
3009	}	4180	}
3010		4181
3011	# load additional modules	4182	# load additional modules
3012	use cf::pod;	4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
3013		4185
3014	END { cf::emergency_save }	4186	END { cf::emergency_save }
3015		4187
3016	1	4188	1
3017		4189

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