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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 1.528 by root, Fri Apr 23 04:42:12 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		289
194	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	291	# within the Safe compartment.
196	for my $pkg (qw(	292	for my $pkg (qw(
197	cf::global cf::attachable	293	cf::global cf::attachable
198	cf::object cf::object::player	294	cf::object cf::object::player
199	cf::client cf::player	295	cf::client cf::player
200	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
201	cf::map cf::party cf::region	298	cf::party cf::region
202	)) {	299	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	301	}
206		302
207	$Event::DIED = sub {	303	$EV::DIED = sub {
208	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
209	};	305	};
		306
		307	#############################################################################
210		308
211	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
212		310
213	=over 4	311	=over 4
214		312
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	332	$d
235	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
236	}	334	}
237		335
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
241		337
242	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
243		339
244	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
245		341
246	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
247		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
248	=item cf::lock_wait $string	365	=item cf::lock_wait $string
249		366
250	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
251		368
252	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
253		370
254	Wait until the given lock is available and then acquires it and returns	371	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,	372	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	373	for example when the coroutine gets canceled), the lock is automatically
257	returned.	374	returned.
258		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
259	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
261		381
262	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
263		383
264	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
265		385
266	=cut	386	=cut
267		387
268	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
269		389
270	sub lock_wait($) {	390	sub lock_wait($) {
271	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	392	}
279		393
280	sub lock_acquire($) {	394	sub lock_acquire($) {
281	my ($key) = @_;	395	$LOCKS->guard ($_[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	}	396	}
293		397
294	sub lock_active($) {	398	sub lock_active($) {
295	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	400	}
299		401
300	sub freeze_mainloop {	402	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
302		404
303	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
305	};	472	}
306	$TICK_WATCHER->stop;	473	};
307	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
308	}	488	}
309		489
310	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
311		491
312	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		497
318	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
319		499
320	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
321		501
322	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
325		506
326	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
329	fast or be very important.	510	fast or be very important.
…		…
332		513
333	sub sync_job(&) {	514	sub sync_job(&) {
334	my ($job) = @_;	515	my ($job) = @_;
335		516
336	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	518	my $time = AE::time;
338		519
339	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
341		522
342	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	524
344	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
345		526
346	my $busy = 1;	527	my $busy = 1;
347	my @res;	528	my @res;
348		529
349	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	532	@res = eval { $job->() };
351	warn $@ if $@;	533	warn $@ if $@;
352	undef $busy;	534	undef $busy;
353	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
354		536
355	while ($busy) {	537	while ($busy) {
356	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
357	}	542	}
		543	}
358		544
359	$time = Event::time - $time;	545	my $time = AE::time - $time;
360		546
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	547	$TICK_START += $time; # do not account sync jobs to server load
365		548
366	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
367	} else {	550	} else {
368	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
369		552
…		…
389	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
390		573
391	$coro	574	$coro
392	}	575	}
393		576
394	sub write_runtime {	577	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		578
397	# first touch the runtime file to show we are still running:	579	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
399		583
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	584	=cut
401	utime undef, undef, $fh;	585
		586	sub fork_call(&@) {
		587	my ($cb, @args) = @_;
		588
		589	# we seemingly have to make a local copy of the whole thing,
		590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
		592
		593	my @res = Coro::Util::fork_eval {
		594	reset_signals;
		595	&$cb
		596	}, @args;
		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
		602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
402	}	666	};
		667	cf::cleanup "db_open(db): $@" if $@;
403		668
404	my $guard = cf::lock_acquire "write_runtime";	669	$db
		670	}
405		671
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	672	our $DB;
407	or return;
408		673
409	my $value = $cf::RUNTIME + 90 + 10;	674	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	675	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	676	$DB ||= db_table "db";
		677	};
		678	}
412		679
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	680	sub db_get($$) {
414	and return;	681	my $key = "$_[0]/$_[1]";
415		682
416	# always fsync - this file is important	683	cf::sync_job {
417	aio_fsync $fh	684	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		685
420	# touch it again to show we are up-to-date	686	$! ? ()
421	utime undef, undef, $fh;	687	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
432	}	764	}
433		765
434	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
435		767
436	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		780
449	#############################################################################	781	#############################################################################
450		782
451	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
452		784
453	Many objects in crossfire are so-called attachable objects. That means you can	785	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")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
456		788
457	In the following description, CLASS can be any of C<global>, C<object>	789	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	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	791	Deliantra).
460		792
461	=over 4	793	=over 4
462		794
463	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
464		796
…		…
508	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
509		841
510	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
512		844
513	Some classes such as crossfire maps and objects can specify attachments	845	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.	846	that are attached at load/instantiate time, thus the need for a name.
515		847
516	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
517		849
518	=over 4	850	=over 4
…		…
666	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
667	}	999	}
668		1000
669	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
670	} else {	1002	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	1004	}
673		1005
674	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
675	}	1007	}
676		1008
…		…
716	";	1048	";
717	die if $@;	1049	die if $@;
718	}	1050	}
719		1051
720	our $override;	1052	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1054
723	sub override {	1055	sub override {
724	$override = 1;	1056	$override = 1;
725	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
726	}	1058	}
727		1059
728	sub do_invoke {	1060	sub do_invoke {
729	my $event = shift;	1061	my $event = shift;
730	my $callbacks = shift;	1062	my $callbacks = shift;
731		1063
732	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
733		1065
734	local $override;	1066	local $override;
735		1067
736	for (@$callbacks) {	1068	for (@$callbacks) {
737	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
746	}	1078	}
747		1079
748	0	1080	0
749	}	1081	}
750		1082
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1084
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1086
755	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
756		1088
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	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	1090	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1092
761	=back	1093	=back
762		1094
763	=cut	1095	=cut
764		1096
765	#############################################################################	1097	#############################################################################
766	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
767		1141
768	sub reattach {	1142	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1144	my ($obj) = @_;
771		1145
		1146	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1148
774	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
775		1150
776	@$registry = ();	1151	@$registry = ();
777		1152
…		…
792	cf::attachable->attach (	1167	cf::attachable->attach (
793	prio => -1000000,	1168	prio => -1000000,
794	on_instantiate => sub {	1169	on_instantiate => sub {
795	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
796		1171
797	$data = from_json $data;	1172	$data = decode_json $data;
798		1173
799	for (@$data) {	1174	for (@$data) {
800	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
801		1176
802	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1193	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
820		1195
821	sync_job {	1196	sync_job {
822	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
825		1202
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
830	close $fh;	1210	aio_close $fh;
831		1211
832	if (@$objs) {	1212	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
838	close $fh;	1221	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
840	}	1223	}
841	} else {	1224	} else {
842	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
843	}	1226	}
844		1227
845	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1232	} else {
847	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
848	}	1234	}
849	} else {	1235	} else {
850	aio_unlink $filename;	1236	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
852	}	1238	}
853	}	1239	};
854	}	1240	}
855		1241
856	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
858		1244
…		…
870	or return;	1256	or return;
871		1257
872	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
874	or return;	1260	or return;
		1261
875	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
876	}	1264	}
877		1265
		1266	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
880	return ($data, $av);	1271	($data, $av)
881	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
882		1279
883	#############################################################################	1280	#############################################################################
884	# command handling &c	1281	# command handling &c
885		1282
886	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1297	}
901		1298
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1300
904	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
905		1306
906	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
907	called.	1308	called.
908		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
909	=cut	1321	=cut
910		1322
911	sub register_extcmd {	1323	sub register_extcmd {
912	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
913		1325
914	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
915	}	1327	}
916		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
917	cf::player->attach (	1337	cf::player->attach (
918	on_command => sub {	1338	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
920		1340
921	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
922	or return;	1342	or return;
923		1343
…		…
928	cf::override;	1348	cf::override;
929	},	1349	},
930	on_extcmd => sub {	1350	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
932		1352
933	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1354
935	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
941	} else {	1370	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1372	}
944		1373
945	cf::override;	1374	cf::override;
946	},	1375	},
947	);	1376	);
948		1377
		1378	# "readahead" all extensions
949	sub load_extension {	1379	sub cache_extensions {
950	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
951		1381
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1384	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	}	1385	}
977	die $@;
978	}	1386	};
979		1387
980	push @EXTS, $pkg;	1388	$grp
981	}	1389	}
982		1390
983	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
984	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1396	next unless -r $path;
986	eval {	1397
987	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
988	1	1461	}
989	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
990	}	1472	};
991	}	1473	}
992		1474
993	#############################################################################	1475	#############################################################################
994		1476
		1477	=back
		1478
995	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
996		1480
997	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
998		1482
999	=cut	1483	=cut
1000		1484
1001	package cf::player;	1485	package cf::player;
1002		1486
1003	use Coro::AIO;	1487	use Coro::AIO;
1004		1488
1005	=head3 cf::player	1489	=head3 cf::player
1006		1490
1007	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1008		1506
1009	=item cf::player::find $login	1507	=item cf::player::find $login
1010		1508
1011	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1012		1510
…		…
1031		1529
1032	sub exists($) {	1530	sub exists($) {
1033	my ($login) = @_;	1531	my ($login) = @_;
1034		1532
1035	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1037	}	1535	}
1038		1536
1039	sub find($) {	1537	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1539	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1550
1053	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1056	}	1560	}
1057	}	1561	}
1058	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1059		1576
1060	sub save($) {	1577	sub save($) {
1061	my ($pl) = @_;	1578	my ($pl) = @_;
1062		1579
1063	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1069		1586
1070	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1072		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1073	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1074	Coro::cede;	1596	cf::cede_to_tick;
1075	}	1597	}
1076		1598
1077	sub new($) {	1599	sub new($) {
1078	my ($login) = @_;	1600	my ($login) = @_;
1079		1601
…		…
1085	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1086		1608
1087	$self	1609	$self
1088	}	1610	}
1089		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1090	=item $pl->quit_character	1622	=item $pl->quit_character
1091		1623
1092	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1094		1626
…		…
1098	my ($pl) = @_;	1630	my ($pl) = @_;
1099		1631
1100	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1101		1633
1102	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1636
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1109		1643
1110	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1681	or return [];
1148		1682
1149	my @logins;	1683	my @logins;
1150		1684
1151	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1155		1695
1156	utf8::decode $login;	1696	utf8::decode $login;
1157	push @logins, $login;	1697	push @logins, $login;
1158	}	1698	}
1159		1699
1160	\@logins	1700	\@logins
1161	}	1701	}
1162		1702
1163	=item $player->maps	1703	=item $player->maps
		1704
		1705	=item cf::player::maps $login
1164		1706
1165	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1166	player. May block.	1708	player. May block.
1167		1709
1168	=cut	1710	=cut
…		…
1186	}	1728	}
1187		1729
1188	\@paths	1730	\@paths
1189	}	1731	}
1190		1732
		1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1734
		1735	Expand deliantra pod fragments into protocol xml.
		1736
1191	=item $player->ext_reply ($msgid, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1192		1738
1193	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1194		1740
1195	=cut	1741	=cut
1196		1742
1197	sub ext_reply($$%) {	1743	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1199		1745
1200	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1747	}
1204		1748
1205	=item $player->ext_event ($type, %msg)	1749	=item $player->ext_msg ($type, @msg)
1206		1750
1207	Sends an ext event to the client.	1751	Sends an ext event to the client.
1208		1752
1209	=cut	1753	=cut
1210		1754
1211	sub ext_event($$%) {	1755	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1756	my ($self, $type, @msg) = @_;
1213		1757
1214	$self->ns->ext_event ($type, %msg);	1758	$self->ns->ext_msg ($type, @msg);
1215	}	1759	}
1216		1760
1217	=head3 cf::region	1761	=head3 cf::region
1218		1762
1219	=over 4	1763	=over 4
…		…
1222		1766
1223	package cf::region;	1767	package cf::region;
1224		1768
1225	=item cf::region::find_by_path $path	1769	=item cf::region::find_by_path $path
1226		1770
1227	Tries to decuce the probable region for a map knowing only its path.	1771	Tries to decuce the likely region for a map knowing only its path.
1228		1772
1229	=cut	1773	=cut
1230		1774
1231	sub find_by_path($) {	1775	sub find_by_path($) {
1232	my ($path) = @_;	1776	my ($path) = @_;
1233		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
		1779
1234	my ($match, $specificity);	1780	my ($match, $specificity);
1235		1781
1236	for my $region (list) {	1782	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1783	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1784	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1785	if $region->specificity > $specificity;
1240	}	1786	}
1241	}	1787	}
1242		1788
…		…
1263	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1265		1811
1266	sub generate_random_map {	1812	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1816
1268	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1818	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1298		1847
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1849	}
1301		1850
1302	# also paths starting with '/'	1851	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1853
1305	sub thawer_merge {	1854	sub thawer_merge {
1306	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1307		1856
1308	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
1309	local $self->{path};	1858	local $self->{path};
1310	local $self->{load_path};	1859	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1860
1314	$self->SUPER::thawer_merge ($merge);	1861	$self->SUPER::thawer_merge ($merge);
1315	}	1862	}
1316		1863
1317	sub normalise {	1864	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1911	$self->init; # pass $1 etc.
1365	return $self;	1912	return $self;
1366	}	1913	}
1367	}	1914	}
1368		1915
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1917	()
1371	}	1918	}
1372		1919
1373	sub init {	1920	sub init {
1374	my ($self) = @_;	1921	my ($self) = @_;
…		…
1396		1943
1397	# the temporary/swap location	1944	# the temporary/swap location
1398	sub save_path {	1945	sub save_path {
1399	my ($self) = @_;	1946	my ($self) = @_;
1400		1947
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1949	"$TMPDIR/$path.map"
1403	}	1950	}
1404		1951
1405	# the unique path, undef == no special unique path	1952	# the unique path, undef == no special unique path
1406	sub uniq_path {	1953	sub uniq_path {
1407	my ($self) = @_;	1954	my ($self) = @_;
1408		1955
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1957	"$UNIQUEDIR/$path"
1411	}	1958	}
1412		1959
1413	# and all this just because we cannot iterate over	1960	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1961	my ($self) = @_;
1417		1962
1418	$_->change_map_light ($change)	1963	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1964
		1965	$self->do_decay_objects;
1420	}	1966	}
1421		1967
1422	sub unlink_save {	1968	sub unlink_save {
1423	my ($self) = @_;	1969	my ($self) = @_;
1424		1970
…		…
1429		1975
1430	sub load_header_from($) {	1976	sub load_header_from($) {
1431	my ($self, $path) = @_;	1977	my ($self, $path) = @_;
1432		1978
1433	utf8::encode $path;	1979	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1981	or return;
		1982
		1983	$self->_load_header ($f)
		1984	or return;
		1985
		1986	local $MAP_LOADING{$self->{path}} = $self;
		1987	$f->resolve_delayed_derefs;
1439		1988
1440	$self->{load_path} = $path;	1989	$self->{load_path} = $path;
1441		1990
1442	1	1991	1
1443	}	1992	}
…		…
1482	$self->load_header_orig	2031	$self->load_header_orig
1483	or return;	2032	or return;
1484	$self->prepare_orig;	2033	$self->prepare_orig;
1485	}	2034	}
1486		2035
		2036	$self->{deny_reset} = 1
		2037	if $self->no_reset;
		2038
1487	$self->default_region (cf::region::find_by_path $self->{path})	2039	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2040	unless $self->default_region;
1489		2041
1490	1	2042	1
1491	}	2043	}
…		…
1494	sub find {	2046	sub find {
1495	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1496		2048
1497	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1498		2050
		2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2053
1501	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
1504	or return;	2056	or return;
1505		2057
1506	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
1507		2059
1508	$map->load_header	2060	$map->load_header
1509	or return;	2061	or return;
1510		2062
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2064	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1514	$map->reset;	2068	$map->reset;
1515	undef $guard;
1516	return find $path;	2069	return find $path;
1517	}	2070	}
1518		2071
1519	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
1520	}	2073	}
1521	}	2074	}
1522		2075
1523	sub pre_load { }	2076	sub pre_load { }
1524	sub post_load { }	2077	#sub post_load { } # XS
1525		2078
1526	sub load {	2079	sub load {
1527	my ($self) = @_;	2080	my ($self) = @_;
1528		2081
1529	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
1530		2083
1531	my $path = $self->{path};	2084	my $path = $self->{path};
1532		2085
1533	{	2086	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2087	my $guard = cf::lock_acquire "map_data:$path";
1535		2088
		2089	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2091
1538	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1539		2093
1540	$self->alloc;	2094	$self->alloc;
1541		2095
1542	$self->pre_load;	2096	$self->pre_load;
1543	Coro::cede;	2097	cf::cede_to_tick;
1544		2098
		2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2101	$self->_load_objects ($f)
1546	or return;	2102	or return;
1547		2103
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1549	if delete $self->{load_original};	2105	if delete $self->{load_original};
1550		2106
1551	if (my $uniq = $self->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2108	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2111	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1556	}	2115	}
1557	}	2116	}
1558		2117
1559	Coro::cede;	2118	$f->resolve_delayed_derefs;
		2119
		2120	cf::cede_to_tick;
1560	# now do the right thing for maps	2121	# now do the right thing for maps
1561	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2123	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2124	unless $self->difficulty;
1564	Coro::cede;	2125	cf::cede_to_tick;
1565		2126
1566	unless ($self->{deny_activate}) {	2127	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2128	$self->decay_objects;
1568	$self->fix_auto_apply;	2129	$self->fix_auto_apply;
1569	$self->update_buttons;	2130	$self->update_buttons;
1570	Coro::cede;	2131	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2132	$self->activate;
1574	}	2133	}
1575		2134
		2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
		2137
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2138	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2139	}
1578		2140
1579	$self->post_load;	2141	$self->post_load;
1580	}	2142	}
1581		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2147	sub customise_for {
1583	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
1584		2149
1585	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2151	if $self->per_player;
1587		2152
		2153	# return find "?party/" . $ob->name . "/" . $self->{path}
		2154	# if $self->per_party;
		2155
1588	$self	2156	$self
1589	}	2157	}
1590		2158
1591	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2160	sub load_neighbours {
1593	my ($map) = @_;	2161	my ($map) = @_;
1594		2162
1595	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1596		2164
1597	for (0 .. 3) {	2165	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1599	or next;	2167	or next;
1600	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1601	or next;	2169	or next;
1602	$neigh->load;	2170	$neigh->load;
1603		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2176	}
1607		2177
1608	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1610	or next;	2181	or next;
1611	$neigh->load;	2182	$neigh->load;
1612	}	2183	}
1613	}	2184	}
1614		2185
…		…
1619	}	2190	}
1620		2191
1621	sub do_load_sync {	2192	sub do_load_sync {
1622	my ($map) = @_;	2193	my ($map) = @_;
1623		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1624	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1625	}	2199	}
1626		2200
1627	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2202	our $MAP_PREFETCHER = undef;
1629		2203
1630	sub find_async {	2204	sub find_async {
1631	my ($path, $origin) = @_;	2205	my ($path, $origin, $load) = @_;
1632		2206
1633	$path = normalise $path, $origin && $origin->{path};	2207	$path = normalise $path, $origin && $origin->{path};
1634		2208
1635	if (my $map = $cf::MAP{$path}) {	2209	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2211	}
1638		2212
1639	undef $MAP_PREFETCH{$path};	2213	$MAP_PREFETCH{$path} |= $load;
		2214
1640	$MAP_PREFETCHER ||= cf::async {	2215	$MAP_PREFETCHER ||= cf::async {
		2216	$Coro::current->{desc} = "map prefetcher";
		2217
1641	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2220	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2221	$map->load if $v;
		2222	}
1646		2223
1647	delete $MAP_PREFETCH{$path};	2224	delete $MAP_PREFETCH{$k};
1648	}	2225	}
1649	}	2226	}
1650	undef $MAP_PREFETCHER;	2227	undef $MAP_PREFETCHER;
1651	};	2228	};
1652	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
1653		2230
1654	()	2231	()
1655	}	2232	}
1656		2233
		2234	# common code, used by both ->save and ->swapout
1657	sub save {	2235	sub _save {
1658	my ($self) = @_;	2236	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2237
1662	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
1663		2239
1664	return unless $self->dirty;	2240	return unless $self->dirty;
1665		2241
…		…
1671	return if $self->{deny_save};	2247	return if $self->{deny_save};
1672		2248
1673	local $self->{last_access} = $self->last_access;#d#	2249	local $self->{last_access} = $self->last_access;#d#
1674		2250
1675	cf::async {	2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2253	$_->contr->save for $self->players;
1677	};	2254	};
		2255
		2256	cf::get_slot 0.02;
1678		2257
1679	if ($uniq) {	2258	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2261	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2263	}
1685	}	2264	}
1686		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
1687	sub swap_out {	2274	sub swap_out {
1688	my ($self) = @_;	2275	my ($self) = @_;
1689		2276
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1695	return if $self->players;	2281	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1699	$self->clear;	2292	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2293	}
1702		2294
1703	sub reset_at {	2295	sub reset_at {
1704	my ($self) = @_;	2296	my ($self) = @_;
1705		2297
1706	# TODO: safety, remove and allow resettable per-player maps	2298	# 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};	2299	return 1e99 if $self->{deny_reset};
1709		2300
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2301	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2302	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2303
…		…
1723	my ($self) = @_;	2314	my ($self) = @_;
1724		2315
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2317
1727	return if $self->players;	2318	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2319
1730	warn "resetting map ", $self->path;#d#	2320	warn "resetting map ", $self->path, "\n";
1731		2321
1732	$self->in_memory (cf::MAP_SWAPPED);	2322	$self->in_memory (cf::MAP_SWAPPED);
1733		2323
1734	# need to save uniques path	2324	# need to save uniques path
1735	unless ($self->{deny_save}) {	2325	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2329	if $uniq;
1740	}	2330	}
1741		2331
1742	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
1743		2333
		2334	$self->deactivate;
		2335	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2336	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2337
1748	$self->unlink_save;	2338	$self->unlink_save;
1749	$self->destroy;	2339	$self->destroy;
1750	}	2340	}
1751		2341
1752	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
1753		2343
1754	sub nuke {	2344	sub nuke {
1755	my ($self) = @_;	2345	my ($self) = @_;
1756		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
1757	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
1758		2351
1759	$self->unlink_save;	2352	$self->unlink_save;
1760		2353
1761	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2359
1767	$cf::MAP{$self->path} = $self;	2360	$cf::MAP{$self->path} = $self;
		2361	}
1768		2362
1769	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
		2364	}
		2365
		2366	=item $maps = cf::map::tmp_maps
		2367
		2368	Returns an arrayref with all map paths of currently instantiated and saved
		2369	maps. May block.
		2370
		2371	=cut
		2372
		2373	sub tmp_maps() {
		2374	[
		2375	map {
		2376	utf8::decode $_;
		2377	/\.map$/
		2378	? normalise $_
		2379	: ()
		2380	} @{ aio_readdir $TMPDIR or [] }
		2381	]
		2382	}
		2383
		2384	=item $maps = cf::map::random_maps
		2385
		2386	Returns an arrayref with all map paths of currently instantiated and saved
		2387	random maps. May block.
		2388
		2389	=cut
		2390
		2391	sub random_maps() {
		2392	[
		2393	map {
		2394	utf8::decode $_;
		2395	/\.map$/
		2396	? normalise "?random/$_"
		2397	: ()
		2398	} @{ aio_readdir $RANDOMDIR or [] }
		2399	]
1770	}	2400	}
1771		2401
1772	=item cf::map::unique_maps	2402	=item cf::map::unique_maps
1773		2403
1774	Returns an arrayref of paths of all shared maps that have	2404	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2405	instantiated unique items. May block.
1776		2406
1777	=cut	2407	=cut
1778		2408
1779	sub unique_maps() {	2409	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2410	[
1781	or return;	2411	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2412	utf8::decode $_;
1787	next if /\.pst$/;	2413	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2415	? ()
1790	push @paths, cf::map::normalise $_;	2416	: normalise $_
		2417	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2418	]
1792
1793	\@paths
1794	}	2419	}
1795		2420
1796	package cf;	2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
1797		2452
1798	=back	2453	=back
1799		2454
1800	=head3 cf::object	2455	=head3 cf::object
1801		2456
…		…
1805		2460
1806	=over 4	2461	=over 4
1807		2462
1808	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
1809		2464
1810	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
1811		2467
1812	=cut	2468	=cut
1813		2469
1814	sub inv_recursive_;	2470	sub inv_recursive_;
1815	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
1818		2474
1819	sub inv_recursive {	2475	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
1821	}	2477	}
1822		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
1823	package cf;	2507	package cf;
1824		2508
1825	=back	2509	=back
1826		2510
1827	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	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	2518	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
1836		2520
1837	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
1838		2536
1839	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2538	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
1844		2542
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2543	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2544
1847	if ($self->{record_replies}) {	2545	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2546	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2547
1849	} else {	2548	} else {
		2549	my $pl = $self->contr;
		2550
		2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2552	my $dialog = $pl->{npc_dialog};
		2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2554
		2555	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2558	}
1852	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
1853	}	2570	}
1854		2571
1855	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
1856		2573
1857	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
1870		2587
1871	=item $player_object->enter_link	2588	=item $player_object->enter_link
1872		2589
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2591
1875	The player should be reasonably safe there for short amounts of time. You	2592	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.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
1877		2596
1878	Will never block.	2597	Will never block.
1879		2598
1880	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
1881		2600
…		…
1901	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2621	my ($self) = @_;
1903		2622
1904	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
1905		2624
		2625	++$self->{_link_recursion};
		2626
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2628
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2630	if $self->map && $self->map->{path} ne "{link}";
1910		2631
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2633	}
1913		2634
1914	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
		2637
		2638	return unless $self->contr->active;
1916		2639
1917	my $link_pos = delete $self->{_link_pos};	2640	my $link_pos = delete $self->{_link_pos};
1918		2641
1919	unless ($map) {	2642	unless ($map) {
1920	# restore original map position	2643	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
1933		2656
1934	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
1937		2660
1938	$map->load;	2661	$map->load;
1939	$map->load_diag;	2662	$map->load_neighbours;
1940		2663
1941	return unless $self->contr->active;	2664	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2665
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
1946	}	2668	# entering was successful
1947		2669	delete $self->{_link_recursion};
1948	cf::player->attach (	2670	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2671	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2672	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2673
1962	# try to abort aborted map switching on player login :)	2674	}
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		2675
1980	=item $player_object->goto ($path, $x, $y)	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2677
		2678	Moves the player to the given map-path and coordinates by first freezing
		2679	her, loading and preparing them map, calling the provided $check callback
		2680	that has to return the map if sucecssful, and then unfreezes the player on
		2681	the new (success) or old (failed) map position. In either case, $done will
		2682	be called at the end of this process.
		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
		2686
1982	=cut	2687	=cut
		2688
		2689	our $GOTOGEN;
1983		2690
1984	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
		2699
		2700	# do generation counting so two concurrent goto's will be executed in-order
		2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2702
1987	$self->enter_link;	2703	$self->enter_link;
1988		2704
1989	(async {	2705	(async {
		2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
1990	my $map = eval {	2727	my $map = eval {
1991	my $map = cf::map::find $path;	2728	my $map = defined $path ? cf::map::find $path : undef;
		2729
		2730	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2731	$map = $map->customise_for ($self);
		2732	$map = $check->($map, $x, $y, $self) if $check && $map;
		2733	} else {
		2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736
1993	$map	2737	$map
		2738	};
		2739
		2740	if ($@) {
		2741	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2743	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2744
		2745	if ($gen == $self->{_goto_generation}) {
		2746	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
		2748	}
		2749
		2750	$done->($self) if $done;
1998	})->prio (1);	2751	})->prio (1);
1999	}	2752	}
2000		2753
2001	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
2002		2755
…		…
2022	}	2775	}
2023		2776
2024	sub prepare_random_map {	2777	sub prepare_random_map {
2025	my ($exit) = @_;	2778	my ($exit) = @_;
2026		2779
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2780	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2781	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2782	# that depends on the exit object
2032		2783
2033	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2786	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2787	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
2040	}	2793	}
2041		2794
2042	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
2043		2796
2044	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2799	my $meta = "$RANDOMDIR/$md5.meta";
2047		2800
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2803	undef $fh;
2051	aio_rename "$meta~", $meta;	2804	aio_rename "$meta~", $meta;
2052		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
2055	}	2812	}
2056	}	2813	}
2057		2814
2058	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
2060		2817
2061	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
2062		2819
2063	if ($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;	2820	$self->enter_link;
2075		2821
2076	(async {	2822	(async {
2077	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
2078	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
		2832	prepare_random_map $exit
		2833	if $exit->slaying eq "/!";
		2834	}
		2835
		2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
		2839
2079	$self->goto ($slaying, $hp, $sp);	2840	$self->goto ($map, $x, $y);
2080		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
2081	1;	2846	1
2082	}) {	2847	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2852
2088	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
…		…
2107		2872
2108	utf8::encode $text;	2873	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2875	}
2111		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2903
		2904	Send a drawinfo or msg packet to the client, formatting the msg for the
		2905	client if neccessary. C<$type> should be a string identifying the type of
		2906	the message, with C<log> being the default. If C<$color> is negative, suppress
		2907	the message unless the client supports the msg packet.
		2908
		2909	=cut
		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
		3025	sub cf::client::send_msg {
		3026	my ($self, $channel, $msg, $color, @extra) = @_;
		3027
		3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
		3030
		3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3032
		3033	# check predefined channels, for the benefit of C
		3034	if ($CHANNEL{$channel}) {
		3035	$channel = $CHANNEL{$channel};
		3036
		3037	$self->ext_msg (channel_info => $channel);
		3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
		3045	}
		3046
		3047	$channel = $channel->{id};
		3048	}
		3049
		3050	return unless @extra || length $msg;
		3051
		3052	# default colour, mask it out
		3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3054	if $color & cf::NDI_DEF;
		3055
		3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
		3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3059	);
		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
2112	=item $client->ext_event ($type, %msg)	3064	=item $client->ext_msg ($type, @msg)
2113		3065
2114	Sends an exti event to the client.	3066	Sends an ext event to the client.
2115		3067
2116	=cut	3068	=cut
2117		3069
2118	sub cf::client::ext_event($$%) {	3070	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3071	my ($self, $type, @msg) = @_;
2120		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3076	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
2123	}	3097	}
2124		3098
2125	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2126		3100
2127	Queues a query to the client, calling the given callback with	3101	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>,	3102	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>.	3103	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3104
2131	Queries can fail, so check the return code. Or don't, as queries will become	3105	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3106	become reliable at some point in the future.
2133		3107
2134	=cut	3108	=cut
2135		3109
2136	sub cf::client::query {	3110	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3111	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3119	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3120	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3121
2148	$self->send_packet ($self->{query_queue}[0][0])	3122	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3123	if @{ $self->{query_queue} } == 1;
		3124
		3125	1
2150	}	3126	}
2151		3127
2152	cf::client->attach (	3128	cf::client->attach (
		3129	on_connect => sub {
		3130	my ($ns) = @_;
		3131
		3132	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3133	},
2153	on_reply => sub {	3134	on_reply => sub {
2154	my ($ns, $msg) = @_;	3135	my ($ns, $msg) = @_;
2155		3136
2156	# this weird shuffling is so that direct followup queries	3137	# this weird shuffling is so that direct followup queries
2157	# get handled first	3138	# get handled first
…		…
2169	} else {	3150	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3151	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3152	}
2172	}	3153	}
2173	},	3154	},
		3155	on_exticmd => sub {
		3156	my ($ns, $buf) = @_;
		3157
		3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3159
		3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
		3168	if (my $cb = $EXTICMD{$type}) {
		3169	@reply = $cb->($ns, @payload);
		3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
		3175	} else {
		3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3177	}
		3178
		3179	cf::override;
		3180	},
2174	);	3181	);
2175		3182
2176	=item $client->async (\&cb)	3183	=item $client->async (\&cb)
2177		3184
2178	Create a new coroutine, running the specified callback. The coroutine will	3185	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3201
2195	$coro	3202	$coro
2196	}	3203	}
2197		3204
2198	cf::client->attach (	3205	cf::client->attach (
2199	on_destroy => sub {	3206	on_client_destroy => sub {
2200	my ($ns) = @_;	3207	my ($ns) = @_;
2201		3208
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3210	},
2204	);	3211	);
…		…
2219	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2221		3228
2222	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2223		3230
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2225		3236
2226	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2227		3238
2228	=pod	3239	=pod
2229		3240
2230	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2231		3242
2232	cf::object contr pay_amount pay_player map	3243	cf::object
		3244	contr pay_amount pay_player map x y force_find force_add destroy
		3245	insert remove name archname title slaying race decrease split
		3246	value
		3247
2233	cf::object::player player	3248	cf::object::player
2234	cf::player peaceful	3249	player
2235	cf::map trigger	3250
		3251	cf::player
		3252	peaceful
		3253
		3254	cf::map
		3255	trigger
2236		3256
2237	=cut	3257	=cut
2238		3258
2239	for (	3259	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2244	) {	3266	) {
2245	no strict 'refs';	3267	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2265		3287
2266	my $qcode = $code;	3288	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2269		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2270	local $_;	3295	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3296
2273	my $eval =	3297	my $eval =
2274	"do {\n"	3298	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3301	. $code
2278	. "\n}"	3302	. "\n}"
2279	;	3303	;
2280		3304
		3305	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2284		3314
2285	if ($@) {	3315	if ($@) {
2286	warn "$@";	3316	warn "$@";
2287	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2288	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2307	=cut	3337	=cut
2308		3338
2309	sub register_script_function {	3339	sub register_script_function {
2310	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2311		3341
2312	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2314	}	3344	}
2315		3345
2316	=back	3346	=back
2317		3347
2318	=cut	3348	=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 $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3349
2494	#############################################################################	3350	#############################################################################
2495	# the server's init and main functions	3351	# the server's init and main functions
2496		3352
2497	sub load_facedata($) {	3353	sub load_facedata($) {
2498	my ($path) = @_;	3354	my ($path) = @_;
		3355
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3361
2500	warn "loading facedata from $path\n";	3362	warn "loading facedata from $path\n";
2501		3363
2502	my $facedata;	3364	my $facedata;
2503	0 < aio_load $path, $facedata	3365	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3368	$facedata = Coro::Storable::thaw $facedata;
2507		3369
2508	$facedata->{version} == 2	3370	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3372
		3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3375	$facedata->{resource}{"res/exp_table"} = {
		3376	type => FT_RSRC,
		3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
		3379	};
		3380	cf::cede_to_tick;
		3381
2511	{	3382	{
2512	my $faces = $facedata->{faceinfo};	3383	my $faces = $facedata->{faceinfo};
2513		3384
2514	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3387
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3388	cf::face::set_visibility $idx, $info->{visibility};
		3389	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3392
		3393	cf::cede_to_tick;
2520	}	3394	}
2521		3395
2522	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3397	next unless $info->{smooth};
		3398
2524	my $idx = cf::face::find $face	3399	my $idx = cf::face::find $face
2525	or next;	3400	or next;
		3401
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3402	if (my $smooth = cf::face::find $info->{smooth}) {
		3403	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3405	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3407	}
2531	Coro::cede;	3408
		3409	cf::cede_to_tick;
2532	}	3410	}
2533	}	3411	}
2534		3412
2535	{	3413	{
2536	my $anims = $facedata->{animinfo};	3414	my $anims = $facedata->{animinfo};
2537		3415
2538	while (my ($anim, $info) = each %$anims) {	3416	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3417	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3418	cf::cede_to_tick;
2541	}	3419	}
2542		3420
2543	cf::anim::invalidate_all; # d'oh	3421	cf::anim::invalidate_all; # d'oh
2544	}	3422	}
2545		3423
		3424	{
		3425	my $res = $facedata->{resource};
		3426
		3427	while (my ($name, $info) = each %$res) {
		3428	if (defined $info->{type}) {
		3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3432	cf::face::set_type $idx, $info->{type};
		3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
		3436
		3437	cf::cede_to_tick;
		3438	}
		3439	}
		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3442
2546	1	3443	1
2547	}	3444	}
2548		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
2549	sub reload_regions {	3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
2550	load_resource_file "$MAPDIR/regions"	3489	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3490	or die "unable to load regions file\n";
		3491
		3492	for (cf::region::list) {
		3493	$_->{match} = qr/$_->{match}/
		3494	if exists $_->{match};
		3495	}
2552	}	3496	}
2553		3497
2554	sub reload_facedata {	3498	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3499	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3500	or die "unable to load facedata\n";
…		…
2567	}	3511	}
2568		3512
2569	sub reload_resources {	3513	sub reload_resources {
2570	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2571		3515
2572	reload_regions;
2573	reload_facedata;	3516	reload_facedata;
2574	reload_archetypes;	3517	reload_archetypes;
		3518	reload_regions;
2575	reload_treasures;	3519	reload_treasures;
2576		3520
2577	warn "finished reloading resource files\n";	3521	warn "finished reloading resource files\n";
2578	}	3522	}
2579		3523
2580	sub init {	3524	sub reload_config {
2581	reload_resources;	3525	warn "reloading config file...\n";
2582	}
2583		3526
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3528	or return;
2587		3529
2588	local $/;	3530	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2590		3532
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3534
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$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};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3537
2596	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2598	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2599	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2600	};	3542	};
2601	warn $@ if $@;	3543	warn $@ if $@;
2602	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2603	}	3575	}
2604		3576
2605	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2606	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3590	(async {
2610	Event::one_event;	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
2612	};	3594	};
2613		3595
2614	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
		3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
2615	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2616	load_extensions;	3619	load_extensions;
2617		3620
2618	$TICK_WATCHER->start;	3621	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2620	}	3634	}
2621		3635
2622	#############################################################################	3636	#############################################################################
2623	# initialisation and cleanup	3637	# initialisation and cleanup
2624		3638
2625	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2626	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3643	$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";	3644	cf::cleanup "SIG$signal";
2635	},
2636	);	3645	};
		3646	}
		3647	}
		3648
		3649	sub write_runtime_sync {
		3650	my $t0 = AE::time;
		3651
		3652	# first touch the runtime file to show we are still running:
		3653	# the fsync below can take a very very long time.
		3654
		3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3656
		3657	my $guard = cf::lock_acquire "write_runtime";
		3658
		3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3660	or return;
		3661
		3662	my $value = $cf::RUNTIME + 90 + 10;
		3663	# 10 is the runtime save interval, for a monotonic clock
		3664	# 60 allows for the watchdog to kill the server.
		3665
		3666	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3667	and return;
		3668
		3669	# always fsync - this file is important
		3670	aio_fsync $fh
		3671	and return;
		3672
		3673	# touch it again to show we are up-to-date
		3674	aio_utime $fh, undef, undef;
		3675
		3676	close $fh
		3677	or return;
		3678
		3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3680	and return;
		3681
		3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3683
2637	}	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2638	}	3735	}
2639		3736
2640	sub emergency_save() {	3737	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2642		3739
2643	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2644		3741
2645	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2646	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3756	$pl->save;
2654	}	3757	}
2655	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2656		3759
2657	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3763	$map->valid or next;
2661	$map->save;	3764	$map->save;
2662	}	3765	}
2663	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
2664		3767
2665	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2668	};	3775	};
2669		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2670	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2671	}	3783	}
2672		3784
2673	sub post_cleanup {	3785	sub post_cleanup {
2674	my ($make_core) = @_;	3786	my ($make_core) = @_;
2675		3787
2676	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
2678	}	3818	}
2679		3819
2680	sub do_reload_perl() {	3820	sub do_reload_perl() {
2681	# can/must only be called in main	3821	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2683	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
2684	return;	3824	return;
2685	}	3825	}
2686		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2687	warn "reloading...";	3832	warn "reloading...";
2688		3833
2689	warn "entering sync_job";	3834	warn "entering sync_job";
2690		3835
2691	cf::sync_job {	3836	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3838	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
2695		3840
2696	warn "syncing database to disk";	3841	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3843
2699	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2700		3845
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";	3846	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;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3849	}
2737		3850
2738	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
2740	}	3853	%EXT_CORO = ();
2741		3854
2742	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3864	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3865
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
2753	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
2754	}	3875	}
2755		3876
2756	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
2757	}	3892	}
2758		3893
2759	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3897
2763	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3901
2767	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3903	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
2770		3905
2771	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
2772		3907
2773	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
2774	require cf;	3909	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
2776		3911
2777	warn "loading config and database again";	3912	warn "loading config and database again";
2778	cf::cfg_load;	3913	cf::reload_config;
2779		3914
2780	warn "loading extensions";	3915	warn "loading extensions";
2781	cf::load_extensions;	3916	cf::load_extensions;
2782		3917
		3918	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
2789		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
2790	warn "leaving sync_job";	3930	warn "leaving sync_job";
2791		3931
2792	1	3932	1
2793	} or do {	3933	} or do {
2794	warn $@;	3934	warn $@;
2795	warn "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3936	};
2798		3937
2799	warn "reloaded";	3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
2800	};	3944	};
2801		3945
2802	our $RELOAD_WATCHER; # used only during reload	3946	our $RELOAD_WATCHER; # used only during reload
2803		3947
2804	sub reload_perl() {	3948	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3949	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3950	# coro crashes during coro_state_free->destroy here.
2807		3951
2808	$RELOAD_WATCHER ||= Event->timer (	3952	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3953	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3954
2811	data => WF_AUTOCANCEL,	3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3956	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3957	undef $RELOAD_WATCHER;
2815	},	3958	};
2816	);	3959	};
2817	}	3960	}
2818		3961
2819	register_command "reload" => sub {	3962	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
2821		3964
2822	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3966	$who->message ("reloading server.");
		3967	async {
		3968	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3969	reload_perl;
		3970	};
2825	}	3971	}
2826	};	3972	};
2827		3973
2828	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
2829		3975
…		…
2831		3977
2832	our @WAIT_FOR_TICK;	3978	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3979	our @WAIT_FOR_TICK_BEGIN;
2834		3980
2835	sub wait_for_tick {	3981	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3983
2839	my $signal = new Coro::Signal;	3984	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3985	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3986	$signal->wait;
2842	}	3987	}
2843		3988
2844	sub wait_for_tick_begin {	3989	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		3991
2848	my $signal = new Coro::Signal;	3992	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3993	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3994	$signal->wait;
2851	}	3995	}
2852		3996
2853	$TICK_WATCHER = Event->timer (	3997	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) {	3998	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
2863	return;	4001	return;
2864	}	4002	}
2865		4003
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
2869		4005
2870	$RUNTIME += $TICK;	4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4007
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4010	Coro::async_pool {
		4011	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4012	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4013	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4014	};
		4015	}
2880		4016
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4018	$sig->send;
2886	}	4019	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4020	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4021	$sig->send;
2889	}	4022	}
2890		4023
2891	$NOW = Event::time;	4024	$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;	4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4026
2902	_post_tick;	4027	if (0) {
2903		4028	if ($NEXT_TICK) {
2904		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
2905	},	4033	}
2906	);	4034	}
2907		4035
2908	{	4036	{
2909	BDB::max_poll_time $TICK * 0.1;	4037	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4038
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;	4039	BDB::min_parallel 16;
2919		4040	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4041	$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		4042
2935	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4050
2938	cf::sync_job {	4051	cf::sync_job {
2939	eval {	4052	eval {
2940	BDB::db_env_open	4053	BDB::db_env_open
2941	$DB_ENV,	4054	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4058	0666;
2946		4059
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4060	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	};	4061	};
2952		4062
2953	cf::cleanup "db_env_open(db): $@" if $@;	4063	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4064	};
2955	}	4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
2956	}	4076	}
2957		4077
2958	{	4078	{
		4079	# configure IO::AIO
		4080
2959	IO::AIO::min_parallel 8;	4081	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4082	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4083	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	}	4084	}
2972		4085
2973	my $_log_backtrace;	4086	my $_log_backtrace;
2974		4087
2975	sub _log_backtrace {	4088	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	4091	$msg =~ s/\n//;
2979		4092
2980	# limit the # of concurrent backtraces	4093	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4094	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
2983	async {	4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
2984	my @bt = fork_call {	4100	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4101	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4104	or die "addr2line: $!";
…		…
2996	}	4112	}
2997		4113
2998	@funcs	4114	@funcs
2999	};	4115	};
3000		4116
3001	LOG llevInfo, "[ABT] $msg\n";	4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4119	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4120	--$_log_backtrace;
3004	};	4121	};
3005	} else {	4122	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4123	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4124	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	4125	}
3009	}	4126	}
3010		4127
3011	# load additional modules	4128	# load additional modules
3012	use cf::pod;	4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
3013		4131
3014	END { cf::emergency_save }	4132	END { cf::emergency_save }
3015		4133
3016	1	4134	1
3017		4135

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