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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.536 by root, Thu Apr 29 08:26:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
		312
		313	#############################################################################
211		314
212	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
213		316
214	=over 4	317	=over 4
215		318
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	338	$d
236	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
237	}	340	}
238		341
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
242		343
243	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
244		345
245	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
246		347
247	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
248		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
249	=item cf::lock_wait $string	371	=item cf::lock_wait $string
250		372
251	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
252		374
253	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
254		376
255	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
258	returned.	380	returned.
259		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
260	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
262		387
263	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
264		389
265	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
266		391
267	=cut	392	=cut
268		393
269	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
270		395
271	sub lock_wait($) {	396	sub lock_wait($) {
272	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	398	}
280		399
281	sub lock_acquire($) {	400	sub lock_acquire($) {
282	my ($key) = @_;	401	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	402	}
294		403
295	sub lock_active($) {	404	sub lock_active($) {
296	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	406	}
300		407
301	sub freeze_mainloop {	408	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
303		410
304	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
306	};	478	}
307	$TICK_WATCHER->stop;	479	};
308	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
309	}	494	}
310		495
311	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
312		497
313	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		503
319	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
320		505
321	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
322		507
323	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
326		512
327	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
330	fast or be very important.	516	fast or be very important.
…		…
332	=cut	518	=cut
333		519
334	sub sync_job(&) {	520	sub sync_job(&) {
335	my ($job) = @_;	521	my ($job) = @_;
336		522
337	if ($Coro::current == $Coro::main) {	523	if (in_main) {
338	my $time = Event::time;	524	my $time = AE::time;
339		525
340	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
342		528
343	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	530
345	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
346		532
347	my $busy = 1;	533	my $busy = 1;
348	my @res;	534	my @res;
349		535
350	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	538	@res = eval { $job->() };
352	warn $@ if $@;	539	error $@ if $@;
353	undef $busy;	540	undef $busy;
354	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
355		542
356	while ($busy) {	543	while ($busy) {
357	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
358	}	548	}
		549	}
359		550
360	$time = Event::time - $time;	551	my $time = AE::time - $time;
361		552
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
366		554
367	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
368	} else {	556	} else {
369	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
370		558
…		…
390	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
391		579
392	$coro	580	$coro
393	}	581	}
394		582
395	sub write_runtime {	583	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		584
398	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
400		589
401	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
402		591
403	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
404		594
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
406	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
407		598
408	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
410	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
411		603
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
413	and return;	605	}
414		606
415	# always fsync - this file is important	607	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
431	}	772	}
432		773
433	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
434		775
435	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
436		777
437	=cut	778	=cut
438		779
439	sub datalog($@) {	780	sub datalog($@) {
440	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	783	}
443		784
444	=back	785	=back
445		786
446	=cut	787	=cut
447		788
448	#############################################################################	789	#############################################################################
449		790
450	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
451		792
452	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
455		796
456	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	799	Deliantra).
459		800
460	=over 4	801	=over 4
461		802
462	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
463		804
…		…
507	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
508		849
509	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
511		852
512	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
514		855
515	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
516		857
517	=over 4	858	=over 4
…		…
641		982
642	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		985
645	} elsif (ref $type) {	986	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
647		988
648	} else {	989	} else {
649	shift @arg;	990	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
651	}	992	}
652	}	993	}
653	}	994	}
654		995
655	sub _object_attach {	996	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
666	}	1007	}
667		1008
668	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
669	} else {	1010	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1012	}
672		1013
673	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
674	}	1015	}
675		1016
…		…
715	";	1056	";
716	die if $@;	1057	die if $@;
717	}	1058	}
718		1059
719	our $override;	1060	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1062
722	sub override {	1063	sub override {
723	$override = 1;	1064	$override = 1;
724	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
725	}	1066	}
726		1067
727	sub do_invoke {	1068	sub do_invoke {
728	my $event = shift;	1069	my $event = shift;
729	my $callbacks = shift;	1070	my $callbacks = shift;
730		1071
731	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
732		1073
733	local $override;	1074	local $override;
734		1075
735	for (@$callbacks) {	1076	for (@$callbacks) {
736	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
737		1078
738	if ($@) {	1079	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1081	override;
742	}	1082	}
743		1083
744	return 1 if $override;	1084	return 1 if $override;
745	}	1085	}
746		1086
747	0	1087	0
748	}	1088	}
749		1089
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1091
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1093
754	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
755		1095
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1099
760	=back	1100	=back
761		1101
762	=cut	1102	=cut
763		1103
764	#############################################################################	1104	#############################################################################
765	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
766		1148
767	sub reattach {	1149	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1151	my ($obj) = @_;
770		1152
		1153	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1155
773	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
774		1157
775	@$registry = ();	1158	@$registry = ();
776		1159
…		…
781	for (@$attach) {	1164	for (@$attach) {
782	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
784	}	1167	}
785	} else {	1168	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1170	}
788	}	1171	}
789	}	1172	}
790		1173
791	cf::attachable->attach (	1174	cf::attachable->attach (
792	prio => -1000000,	1175	prio => -1000000,
793	on_instantiate => sub {	1176	on_instantiate => sub {
794	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
795		1178
796	$data = from_json $data;	1179	$data = decode_json $data;
797		1180
798	for (@$data) {	1181	for (@$data) {
799	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
800		1183
801	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1200	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
819		1202
820	sync_job {	1203	sync_job {
821	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
824		1209
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
829	close $fh;	1217	aio_close $fh;
830		1218
831	if (@$objs) {	1219	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
837	close $fh;	1228	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
839	}	1230	}
840	} else {	1231	} else {
841	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
842	}	1233	}
843		1234
844	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1239	} else {
846	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
847	}	1241	}
848	} else {	1242	} else {
849	aio_unlink $filename;	1243	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
851	}	1245	}
852	}	1246	};
853	}	1247	}
854		1248
855	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
857		1251
…		…
869	or return;	1263	or return;
870		1264
871	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
873	or return;	1267	or return;
		1268
874	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
875	}	1271	}
876		1272
		1273	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
879	return ($data, $av);	1278	($data, $av)
880	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
881		1286
882	#############################################################################	1287	#############################################################################
883	# command handling &c	1288	# command handling &c
884		1289
885	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1304	}
900		1305
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1307
903	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
904		1313
905	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
906	called.	1315	called.
907		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
908	=cut	1328	=cut
909		1329
910	sub register_extcmd {	1330	sub register_extcmd {
911	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
912		1332
913	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
914	}	1334	}
915		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
916	cf::player->attach (	1344	cf::player->attach (
917	on_command => sub {	1345	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
919		1347
920	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
921	or return;	1349	or return;
922		1350
…		…
927	cf::override;	1355	cf::override;
928	},	1356	},
929	on_extcmd => sub {	1357	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
931		1359
932	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1361
934	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
940	} else {	1377	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1379	}
943		1380
944	cf::override;	1381	cf::override;
945	},	1382	},
946	);	1383	);
947		1384
		1385	# "readahead" all extensions
948	sub load_extension {	1386	sub cache_extensions {
949	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
950		1388
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1392	}
976	die $@;
977	}	1393	};
978		1394
979	push @EXTS, $pkg;	1395	$grp
980	}	1396	}
981		1397
982	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
983	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1405	next unless -r $path;
985	eval {	1406
986	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
987	1	1470	}
988	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
989	}	1481	};
990	}	1482	}
991		1483
992	#############################################################################	1484	#############################################################################
993		1485
		1486	=back
		1487
994	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
995		1489
996	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
997		1491
998	=cut	1492	=cut
999		1493
1000	package cf::player;	1494	package cf::player;
1001		1495
1002	use Coro::AIO;	1496	use Coro::AIO;
1003		1497
1004	=head3 cf::player	1498	=head3 cf::player
1005		1499
1006	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1007		1515
1008	=item cf::player::find $login	1516	=item cf::player::find $login
1009		1517
1010	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1011		1519
…		…
1030		1538
1031	sub exists($) {	1539	sub exists($) {
1032	my ($login) = @_;	1540	my ($login) = @_;
1033		1541
1034	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1036	}	1544	}
1037		1545
1038	sub find($) {	1546	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1548	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1559
1052	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1055	}	1569	}
1056	}	1570	}
1057	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1058		1585
1059	sub save($) {	1586	sub save($) {
1060	my ($pl) = @_;	1587	my ($pl) = @_;
1061		1588
1062	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1068		1595
1069	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1071		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1072	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1073	Coro::cede;	1605	cf::cede_to_tick;
1074	}	1606	}
1075		1607
1076	sub new($) {	1608	sub new($) {
1077	my ($login) = @_;	1609	my ($login) = @_;
1078		1610
…		…
1084	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1085		1617
1086	$self	1618	$self
1087	}	1619	}
1088		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1089	=item $pl->quit_character	1631	=item $pl->quit_character
1090		1632
1091	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1093		1635
…		…
1097	my ($pl) = @_;	1639	my ($pl) = @_;
1098		1640
1099	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1100		1642
1101	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1645
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1108		1651
1109	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1689	or return [];
1147		1690
1148	my @logins;	1691	my @logins;
1149		1692
1150	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1154		1703
1155	utf8::decode $login;	1704	utf8::decode $login;
1156	push @logins, $login;	1705	push @logins, $login;
1157	}	1706	}
1158		1707
1159	\@logins	1708	\@logins
1160	}	1709	}
1161		1710
1162	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1163		1714
1164	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1165	player. May block.	1716	player. May block.
1166		1717
1167	=cut	1718	=cut
…		…
1185	}	1736	}
1186		1737
1187	\@paths	1738	\@paths
1188	}	1739	}
1189		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1190	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1191		1746
1192	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1193		1748
1194	=cut	1749	=cut
1195		1750
1196	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1198		1753
1199	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1755	}
1203		1756
1204	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1205		1758
1206	Sends an ext event to the client.	1759	Sends an ext event to the client.
1207		1760
1208	=cut	1761	=cut
1209		1762
1210	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1212		1765
1213	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1214	}	1767	}
1215		1768
1216	=head3 cf::region	1769	=head3 cf::region
1217		1770
1218	=over 4	1771	=over 4
…		…
1221		1774
1222	package cf::region;	1775	package cf::region;
1223		1776
1224	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1225		1778
1226	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1227		1780
1228	=cut	1781	=cut
1229		1782
1230	sub find_by_path($) {	1783	sub find_by_path($) {
1231	my ($path) = @_;	1784	my ($path) = @_;
1232		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1233	my ($match, $specificity);	1788	my ($match, $specificity);
1234		1789
1235	for my $region (list) {	1790	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1239	}	1794	}
1240	}	1795	}
1241		1796
…		…
1262	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1264		1819
1265	sub generate_random_map {	1820	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1267	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1826	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1297		1855
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1857	}
1300		1858
1301	# also paths starting with '/'	1859	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1861
1304	sub thawer_merge {	1862	sub thawer_merge {
1305	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1306		1864
1307	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1361	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1362	return $self;	1920	return $self;
1363	}	1921	}
1364	}	1922	}
1365		1923
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1925	()
1368	}	1926	}
1369		1927
1370	sub init {	1928	sub init {
1371	my ($self) = @_;	1929	my ($self) = @_;
…		…
1393		1951
1394	# the temporary/swap location	1952	# the temporary/swap location
1395	sub save_path {	1953	sub save_path {
1396	my ($self) = @_;	1954	my ($self) = @_;
1397		1955
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1400	}	1958	}
1401		1959
1402	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1403	sub uniq_path {	1961	sub uniq_path {
1404	my ($self) = @_;	1962	my ($self) = @_;
1405		1963
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1966	}
1418		1967
1419	sub decay_objects {	1968	sub decay_objects {
1420	my ($self) = @_;	1969	my ($self) = @_;
1421		1970
…		…
1434		1983
1435	sub load_header_from($) {	1984	sub load_header_from($) {
1436	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1437		1986
1438	utf8::encode $path;	1987	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1444		1996
1445	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1446		1998
1447	1	1999	1
1448	}	2000	}
…		…
1502	sub find {	2054	sub find {
1503	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1504		2056
1505	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1506		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2061
1509	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1512	or return;	2064	or return;
1513		2065
1514	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1515		2067
…		…
1517	or return;	2069	or return;
1518		2070
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1522	$map->reset;	2076	$map->reset;
1523	undef $guard;
1524	return find $path;	2077	return find $path;
1525	}	2078	}
1526		2079
1527	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1528	}	2081	}
1529	}	2082	}
1530		2083
1531	sub pre_load { }	2084	sub pre_load { }
1532	sub post_load { }	2085	#sub post_load { } # XS
1533		2086
1534	sub load {	2087	sub load {
1535	my ($self) = @_;	2088	my ($self) = @_;
1536		2089
1537	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1538		2091
1539	my $path = $self->{path};	2092	my $path = $self->{path};
1540		2093
1541	{	2094	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1543		2096
		2097	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2099
1546	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1547		2101
1548	$self->alloc;	2102	$self->alloc;
1549		2103
1550	$self->pre_load;	2104	$self->pre_load;
1551	Coro::cede;	2105	cf::cede_to_tick;
1552		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1554	or return;	2110	or return;
1555		2111
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1557	if delete $self->{load_original};	2113	if delete $self->{load_original};
1558		2114
1559	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2116	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2119	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1564	}	2123	}
1565	}	2124	}
1566		2125
1567	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1568	# now do the right thing for maps	2129	# now do the right thing for maps
1569	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2132	unless $self->difficulty;
1572	Coro::cede;	2133	cf::cede_to_tick;
1573		2134
1574	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2136	$self->decay_objects;
1576	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1577	$self->update_buttons;	2138	$self->update_buttons;
1578	Coro::cede;	2139	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2140	$self->activate;
1582	}	2141	}
1583		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2147	}
1586		2148
1587	$self->post_load;	2149	$self->post_load;
1588	}	2150	}
1589		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2155	sub customise_for {
1591	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1592		2157
1593	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2159	if $self->per_player;
…		…
1598		2163
1599	$self	2164	$self
1600	}	2165	}
1601		2166
1602	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2168	sub load_neighbours {
1604	my ($map) = @_;	2169	my ($map) = @_;
1605		2170
1606	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1607		2172
1608	for (0 .. 3) {	2173	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1610	or next;	2175	or next;
1611	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1612	or next;	2177	or next;
1613	$neigh->load;	2178	$neigh->load;
1614		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2184	}
1618		2185
1619	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1621	or next;	2189	or next;
1622	$neigh->load;	2190	$neigh->load;
1623	}	2191	}
1624	}	2192	}
1625		2193
1626	sub find_sync {	2194	sub find_sync {
1627	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1628		2196
1629	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1630	}	2201	}
1631		2202
1632	sub do_load_sync {	2203	sub do_load_sync {
1633	my ($map) = @_;	2204	my ($map) = @_;
1634		2205
1635	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1636	}	2210	}
1637		2211
1638	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1640		2214
1641	sub find_async {	2215	sub find_async {
1642	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1643		2217
1644	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1645		2219
1646	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2222	}
1649		2223
1650	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1651	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1652	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2231	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2232	$map->load if $v;
		2233	}
1657		2234
1658	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1659	}	2236	}
1660	}	2237	}
1661	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1662	};	2239	};
1663	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1664		2241
1665	()	2242	()
1666	}	2243	}
1667		2244
		2245	# common code, used by both ->save and ->swapout
1668	sub save {	2246	sub _save {
1669	my ($self) = @_;	2247	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2248
1673	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1674		2250
1675	return unless $self->dirty;	2251	return unless $self->dirty;
1676		2252
…		…
1682	return if $self->{deny_save};	2258	return if $self->{deny_save};
1683		2259
1684	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1685		2261
1686	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1688	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1689		2268
1690	if ($uniq) {	2269	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2272	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2274	}
1696	}	2275	}
1697		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1698	sub swap_out {	2285	sub swap_out {
1699	my ($self) = @_;	2286	my ($self) = @_;
1700		2287
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1706	return if $self->players;	2292	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1710	$self->clear;	2303	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2304	}
1713		2305
1714	sub reset_at {	2306	sub reset_at {
1715	my ($self) = @_;	2307	my ($self) = @_;
1716		2308
…		…
1734		2326
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2328
1737	return if $self->players;	2329	return if $self->players;
1738		2330
1739	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1740		2332
1741	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1742		2334
1743	# need to save uniques path	2335	# need to save uniques path
1744	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2340	if $uniq;
1749	}	2341	}
1750		2342
1751	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1752		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2347	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2348
1757	$self->unlink_save;	2349	$self->unlink_save;
1758	$self->destroy;	2350	$self->destroy;
1759	}	2351	}
1760		2352
1761	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1762		2354
1763	sub nuke {	2355	sub nuke {
1764	my ($self) = @_;	2356	my ($self) = @_;
1765		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1766	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1767		2362
1768	$self->unlink_save;	2363	$self->unlink_save;
1769		2364
1770	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2370
1776	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1777		2373
1778	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
1779	}	2375	}
1780		2376
1781	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
1823		2419
1824	sub unique_maps() {	2420	sub unique_maps() {
1825	[	2421	[
1826	map {	2422	map {
1827	utf8::decode $_;	2423	utf8::decode $_;
1828	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
1829	? normalise $_	2427	: normalise $_
1830	: ()
1831	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
1832	]	2429	]
1833	}	2430	}
1834		2431
1835	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1836		2463
1837	=back	2464	=back
1838		2465
1839	=head3 cf::object	2466	=head3 cf::object
1840		2467
…		…
1844		2471
1845	=over 4	2472	=over 4
1846		2473
1847	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1848		2475
1849	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1850		2478
1851	=cut	2479	=cut
1852		2480
1853	sub inv_recursive_;	2481	sub inv_recursive_;
1854	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1857		2485
1858	sub inv_recursive {	2486	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1860	}	2488	}
1861		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1862	package cf;	2518	package cf;
1863		2519
1864	=back	2520	=back
1865		2521
1866	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1872	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1873	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1874	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1875		2531
1876	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1877		2547
1878	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1879	# with dialog boxes.	2549	# with dialog boxes.
1880	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1881	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1883		2553
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2555
1886	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1888	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1891	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1892	}	2581	}
1893		2582
1894	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1895		2584
1896	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1909		2598
1910	=item $player_object->enter_link	2599	=item $player_object->enter_link
1911		2600
1912	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1913		2602
1914	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1915	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1916		2607
1917	Will never block.	2608	Will never block.
1918		2609
1919	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1920		2611
…		…
1940	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1941	my ($self) = @_;	2632	my ($self) = @_;
1942		2633
1943	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1944		2635
		2636	++$self->{_link_recursion};
		2637
1945	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1946		2639
1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1948	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
1949		2642
1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1951	}	2644	}
1952		2645
1953	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1954	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
1955		2648
…		…
1972	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1973	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1974		2667
1975	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1978		2671
1979	$map->load;	2672	$map->load;
1980	$map->load_diag;	2673	$map->load_neighbours;
1981		2674
1982	return unless $self->contr->active;	2675	return unless $self->contr->active;
1983	$self->activate_recursive;
1984		2676
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1987	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
1988		2684
		2685	}
		2686
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1990		2688
1991	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
1995		2697
1996	=cut	2698	=cut
1997		2699
1998	our $GOTOGEN;	2700	our $GOTOGEN;
1999		2701
2000	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2002		2710
2003	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2713
2006	$self->enter_link;	2714	$self->enter_link;
2007		2715
2008	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2009	my $map = eval {	2738	my $map = eval {
2010	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2011		2740
2012	if ($map) {	2741	if ($map) {
2013	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2015	} else {	2744	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2746	}
2018		2747
2019	$map	2748	$map
2020	};	2749	};
2021		2750
…		…
2026		2755
2027	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2030	}	2759	}
		2760
		2761	$done->($self) if $done;
2031	})->prio (1);	2762	})->prio (1);
2032	}	2763	}
2033		2764
2034	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2035		2766
…		…
2055	}	2786	}
2056		2787
2057	sub prepare_random_map {	2788	sub prepare_random_map {
2058	my ($exit) = @_;	2789	my ($exit) = @_;
2059		2790
2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
2061
2062	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2063	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2064	# that depends on the exit object	2793	# that depends on the exit object
2065		2794
2066	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2068	if ($exit->map) {	2797	if ($exit->map) {
2069	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2070	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2071	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2072	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2073	}	2804	}
2074		2805
2075	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2076		2807
2077	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2078	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2080		2811
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2083	undef $fh;	2814	undef $fh;
2084	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2085		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2086	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2087	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2088	}	2823	}
2089	}	2824	}
2090		2825
2091	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2092	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2093		2828
2094	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2095		2830
2096	if ($exit->slaying eq "/!") {
2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
2098	# the problem is that $exit might not survive long enough
2099	# so it needs to be done right now, right here
2100	cf::sync_job { prepare_random_map $exit };
2101	}
2102
2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;
2106
2107	$self->enter_link;	2831	$self->enter_link;
2108		2832
2109	(async {	2833	(async {
2110	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2111	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2112	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2113		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2114	1;	2857	1
2115	}) {	2858	}) {
2116	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2117	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2118	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2119	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2120		2863
2121	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2122	$self->leave_link;	2865	$self->leave_link;
2123	}	2866	}
2124	})->prio (1);	2867	})->prio (1);
2125	}	2868	}
2126		2869
…		…
2140		2883
2141	utf8::encode $text;	2884	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2886	}
2144		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2145	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2146		3076
2147	Sends an exti event to the client.	3077	Sends an ext event to the client.
2148		3078
2149	=cut	3079	=cut
2150		3080
2151	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2153		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2156	}	3108	}
2157		3109
2158	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2159		3111
2160	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		3115
2164	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	3117	become reliable at some point in the future.
2166		3118
2167	=cut	3119	=cut
2168		3120
2169	sub cf::client::query {	3121	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	3130	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		3132
2181	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2183	}	3137	}
2184		3138
2185	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2186	on_reply => sub {	3145	on_reply => sub {
2187	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2188		3147
2189	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2190	# get handled first	3149	# get handled first
…		…
2202	} else {	3161	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	3163	}
2205	}	3164	}
2206	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2207	);	3192	);
2208		3193
2209	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2210		3195
2211	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2227		3212
2228	$coro	3213	$coro
2229	}	3214	}
2230		3215
2231	cf::client->attach (	3216	cf::client->attach (
2232	on_destroy => sub {	3217	on_client_destroy => sub {
2233	my ($ns) = @_;	3218	my ($ns) = @_;
2234		3219
2235	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2236	},	3221	},
2237	);	3222	);
…		…
2252	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2254		3239
2255	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2256		3241
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2258		3247
2259	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2260		3249
2261	=pod	3250	=pod
2262		3251
2263	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2264		3253
2265	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2266	cf::object::player player	3259	cf::object::player
2267	cf::player peaceful	3260	player
2268	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2269		3267
2270	=cut	3268	=cut
2271		3269
2272	for (	3270	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2274	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2276	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2277	) {	3277	) {
2278	no strict 'refs';	3278	no strict 'refs';
2279	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2298		3298
2299	my $qcode = $code;	3299	my $qcode = $code;
2300	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2301	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2302		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2303	local $_;	3306	local $_;
2304	local @safe::cf::_safe_eval_args = values %vars;
2305		3307
2306	my $eval =	3308	my $eval =
2307	"do {\n"	3309	"do {\n"
2308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2309	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2310	. $code	3312	. $code
2311	. "\n}"	3313	. "\n}"
2312	;	3314	;
2313		3315
		3316	if ($CFG{safe_eval}) {
2314	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2315	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2316	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2317		3325
2318	if ($@) {	3326	if ($@) {
2319	warn "$@";	3327	warn "$@",
2320	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2321	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2322	}	3330	}
2323		3331
2324	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2325	}	3333	}
2326		3334
…		…
2340	=cut	3348	=cut
2341		3349
2342	sub register_script_function {	3350	sub register_script_function {
2343	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2344		3352
2345	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2346	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2347	}	3355	}
2348		3356
2349	=back	3357	=back
2350		3358
2351	=cut	3359	=cut
2352
2353	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524		3360
2525	#############################################################################	3361	#############################################################################
2526	# the server's init and main functions	3362	# the server's init and main functions
2527		3363
2528	sub load_facedata($) {	3364	sub load_facedata($) {
2529	my ($path) = @_;	3365	my ($path) = @_;
2530		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2531	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2532		3374
2533	my $facedata;	3375	my $facedata;
2534	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2535	or die "$path: $!";	3377	or die "$path: $!";
2536		3378
2537	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2538		3380
2539	$facedata->{version} == 2	3381	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2542	{	3393	{
2543	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2544		3395
2545	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2550	Coro::cede;	3403
		3404	cf::cede_to_tick;
2551	}	3405	}
2552		3406
2553	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2555	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2556	or next;	3411	or next;
		3412
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3416	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3418	}
2562	Coro::cede;	3419
		3420	cf::cede_to_tick;
2563	}	3421	}
2564	}	3422	}
2565		3423
2566	{	3424	{
2567	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2568		3426
2569	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3429	cf::cede_to_tick;
2572	}	3430	}
2573		3431
2574	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2575	}	3433	}
2576		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2577	1	3454	1
2578	}	3455	}
2579		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2580	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2581	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2583	}	3487	}
2584		3488
2585	sub reload_facedata {	3489	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2595	sub reload_treasures {	3499	sub reload_treasures {
2596	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2597	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2598	}	3502	}
2599		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2600	sub reload_resources {	3527	sub reload_resources {
2601	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2602		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2603	reload_regions;	3533	reload_regions;
2604	reload_facedata;
2605	#reload_archetypes;#d#
2606	reload_archetypes;
2607	reload_treasures;	3534	reload_treasures;
2608		3535
2609	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2610	}	3537	}
2611		3538
2612	sub init {	3539	sub reload_config {
2613	reload_resources;	3540	trace "reloading config file...\n";
2614	}
2615		3541
2616	sub cfg_load {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3543	or return;
2619		3544
2620	local $/;	3545	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2622		3547
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2624		3549
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2627		3552
2628	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2630	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2631	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2632	};	3557	};
2633	warn $@ if $@;	3558	warn $@ if $@;
2634	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2635	}	3590	}
2636		3591
2637	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2638	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3605	(async {
2642	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2644	};	3609	};
2645		3610
2646	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2647	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2648	load_extensions;	3634	load_extensions;
2649		3635
2650	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2651	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2652	}	3649	}
2653		3650
2654	#############################################################################	3651	#############################################################################
2655	# initialisation and cleanup	3652	# initialisation and cleanup
2656		3653
2657	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2658	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2667	},
2668	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2669	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2670	}	3750	}
2671		3751
2672	sub emergency_save() {	3752	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2674		3754
2675	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2676		3761
2677	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2678	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2679	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2680	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2682	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3773	$pl->save;
2686	}	3774	}
2687	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2688		3776
2689	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2690	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2691	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2692	$map->valid or next;	3782	$map->valid or next;
2693	$map->save;	3783	$map->save;
2694	}	3784	}
2695	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2696		3786
2697	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2698	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2699	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2700	};	3815	};
2701		3816
2702	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2703	}	3818	}
2704		3819
2705	sub post_cleanup {	3820	sub post_cleanup {
2706	my ($make_core) = @_;	3821	my ($make_core) = @_;
2707		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2708	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2709	if $make_core;	3828	if $make_core;
		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
2710	}	3857	}
2711		3858
2712	sub do_reload_perl() {	3859	sub do_reload_perl() {
2713	# can/must only be called in main	3860	# can/must only be called in main
2714	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2715	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2716	return;	3863	return;
2717	}	3864	}
2718		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2719	warn "reloading...";	3871	info "reloading...";
2720		3872
2721	warn "entering sync_job";	3873	trace "entering sync_job";
2722		3874
2723	cf::sync_job {	3875	cf::sync_job {
2724	cf::write_runtime; # external watchdog should not bark
2725	cf::emergency_save;	3876	cf::emergency_save;
2726	cf::write_runtime; # external watchdog should not bark
2727		3877
2728	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;
2730
2731	# if anything goes wrong in here, we should simply crash as we already saved
2732
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";
2739	for (;;) {
2740	BDB::flush;
2741	IO::AIO::flush;
2742	Coro::cede;
2743	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";
2745	}
2746
2747	++$RELOAD;
2748
2749	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
2750	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2751	%EXT_CORO = ();	3880	%EXT_CORO = ();
2752		3881
2753	warn "removing commands";	3882	trace "removing commands";
2754	%COMMAND = ();	3883	%COMMAND = ();
2755		3884
2756	warn "removing ext commands";	3885	trace "removing ext/exti commands";
2757	%EXTCMD = ();	3886	%EXTCMD = ();
		3887	%EXTICMD = ();
2758		3888
2759	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2762		3892
2763	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2764	eval {	3894	eval {
2765	$cb->($pkg);	3895	$cb->($pkg);
2766	1	3896	1
2767	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2768	}	3902	}
2769		3903
2770	warn "... nuking $pkg";
2771	Symbol::delete_package $pkg;
2772	}
2773
2774	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2775	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2777		3907
2778	warn "... unloading $k";	3908	trace "... unloading $k";
2779	delete $INC{$k};	3909	delete $INC{$k};
2780		3910
2781	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
2782	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
2783		3913
2784	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
2785	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
2786	}	3919	}
2787		3920
2788	Symbol::delete_package $k;
2789	}
2790
2791	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
2792	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2794		3924
2795	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
2796	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
2797	delete $INC{"cf/pod.pm"};	3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2798		3928
2799	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
2800	# and global variables created in xs	3930	# and global variables created in xs
2801	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
2802		3932
2803	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
2804		3934
2805	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
2806	require cf;	3936	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
2808		3938
2809	warn "loading config and database again";	3939	trace "loading config and database again";
2810	cf::cfg_load;	3940	cf::reload_config;
2811		3941
2812	warn "loading extensions";	3942	trace "loading extensions";
2813	cf::load_extensions;	3943	cf::load_extensions;
2814		3944
		3945	if ($REATTACH_ON_RELOAD) {
2815	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
2816	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
2817	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
2818	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
2819	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
2820	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
2821		3953
		3954	trace "running post_init jobs";
		3955	(pop @POST_INIT)->(1) while @POST_INIT;
		3956
2822	warn "leaving sync_job";	3957	trace "leaving sync_job";
2823		3958
2824	1	3959	1
2825	} or do {	3960	} or do {
2826	warn $@;	3961	error $@;
2827	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
2828	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
2829	};	3967	}
2830		3968
2831	warn "reloaded";	3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
2832	};	3971	};
2833		3972
2834	our $RELOAD_WATCHER; # used only during reload	3973	our $RELOAD_WATCHER; # used only during reload
2835		3974
2836	sub reload_perl() {	3975	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3976	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3977	# coro crashes during coro_state_free->destroy here.
2839		3978
2840	$RELOAD_WATCHER ||= Event->timer (	3979	$RELOAD_WATCHER ||= cf::async {
2841	reentrant => 0,	3980	Coro::AIO::aio_wait cache_extensions;
2842	after => 0,	3981
2843	data => WF_AUTOCANCEL,	3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2844	cb => sub {
2845	do_reload_perl;	3983	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3984	undef $RELOAD_WATCHER;
2847	},	3985	};
2848	);	3986	};
2849	}	3987	}
2850		3988
2851	register_command "reload" => sub {	3989	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
2853		3991
2854	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
		3994	async {
		3995	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3996	reload_perl;
		3997	};
2857	}	3998	}
2858	};	3999	};
2859		4000
2860	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
2861		4002
…		…
2863		4004
2864	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
2865	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
2866		4007
2867	sub wait_for_tick {	4008	sub wait_for_tick {
2868	return unless $TICK_WATCHER->is_active;
2869	return if $Coro::current == $Coro::main;	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2870		4010
2871	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
2872	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
2873	$signal->wait;	4013	$signal->wait;
2874	}	4014	}
2875		4015
2876	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
2877	return unless $TICK_WATCHER->is_active;
2878	return if $Coro::current == $Coro::main;	4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2879		4018
2880	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	4021	$signal->wait;
2883	}	4022	}
2884		4023
2885	my $min = 1e6;#d#	4024	sub tick {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
2897	return;	4028	return;
2898	}	4029	}
2899		4030
2900	$NOW = $tick_start = Event::time;
2901
2902	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
2903		4032
2904	0 && sync_job {#d#	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		4034
2910	$map->width (50);	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	4037	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	4038	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	4039	write_runtime_sync
2915		4040	or error "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	4041	};
		4042	}
2926		4043
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	4045	$sig->send;
2943	}	4046	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	4048	$sig->send;
2946	}	4049	}
2947		4050
2948	$NOW = Event::time;	4051	$LOAD = ($NOW - $TICK_START) / $TICK;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		4053
2959	_post_tick;	4054	if (0) {
2960		4055	if ($NEXT_TICK) {
2961		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
2962	},	4060	}
2963	);	4061	}
2964		4062
2965	{	4063	{
2966	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	4065
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
2976		4067	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		4069
2992	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		4077
2995	cf::sync_job {	4078	cf::sync_job {
2996	eval {	4079	eval {
2997	BDB::db_env_open	4080	BDB::db_env_open
2998	$DB_ENV,	4081	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	4085	0666;
3003		4086
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	4088	};
3009		4089
3010	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	4091	};
3012	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
3013	}	4103	}
3014		4104
3015	{	4105	{
		4106	# configure IO::AIO
		4107
3016	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	4111	}
3029		4112
3030	my $_log_backtrace;	4113	my $_log_backtrace;
3031		4114
3032	sub _log_backtrace {	4115	sub _log_backtrace {
…		…
3035	$msg =~ s/\n//;	4118	$msg =~ s/\n//;
3036		4119
3037	# limit the # of concurrent backtraces	4120	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	4121	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
3040	async {	4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
3041	my @bt = fork_call {	4127	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	4128	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	4131	or die "addr2line: $!";
…		…
3053	}	4139	}
3054		4140
3055	@funcs	4141	@funcs
3056	};	4142	};
3057		4143
3058	LOG llevInfo, "[ABT] $msg\n";	4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3059	LOG llevInfo, "[ABT] $_\n" for @bt;	4146	LOG llevInfo, "[ABT] $_\n" for @bt;
3060	--$_log_backtrace;	4147	--$_log_backtrace;
3061	};	4148	};
3062	} else {	4149	} else {
3063	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $msg\n";
3064	LOG llevInfo, "[ABT] [suppressed]\n";	4151	LOG llevInfo, "[ABT] [suppressed]\n";
3065	}	4152	}
3066	}	4153	}
3067		4154
3068	# load additional modules	4155	# load additional modules
3069	use cf::pod;	4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
3070		4158
3071	END { cf::emergency_save }	4159	END { cf::emergency_save }
3072		4160
3073	1	4161	1
3074		4162

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