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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.544 by root, Thu May 6 21:58:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one 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
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
948	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
949	cf::sync_job {	1401	cf::sync_job {
950	my %todo;	1402	my %todo;
951		1403
952	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1405	next unless -r $path;
…		…
967	path => $path,	1419	path => $path,
968	base => $base,	1420	base => $base,
969	pkg => $pkg,	1421	pkg => $pkg,
970	);	1422	);
971		1423
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1426
975	$ext{source} =	1427	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
978	. $source	1430	. $source
979	. "\n};\n1";	1431	. "\n};\n1";
980		1432
981	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
982	}	1434	}
983		1435
		1436	my $pass = 0;
984	my %done;	1437	my %done;
985	while (%todo) {	1438	while (%todo) {
986	my $progress;	1439	my $progress;
987		1440
		1441	++$pass;
		1442
		1443	ext:
988	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1446	next ext
991	unless exists $done{$_};	1447	unless exists $done{$_};
992	}	1448	}
993		1449
994	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1451
996	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1001	warn $msg;	1459
1002	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1461	delete $todo{$k};
1004	}	1462	} else {
1005		1463	$done{$k} = delete $todo{$k};
1006	die $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1007	}	1469	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1470	}
1012		1471
1013	skip:	1472	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1016	}	1480	}
1017	};	1481	};
1018	}	1482	}
1019		1483
1020	#############################################################################	1484	#############################################################################
1021		1485
		1486	=back
		1487
1022	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1023		1489
1024	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1025		1491
1026	=cut	1492	=cut
1027		1493
1028	package cf::player;	1494	package cf::player;
1029		1495
1030	use Coro::AIO;	1496	use Coro::AIO;
1031		1497
1032	=head3 cf::player	1498	=head3 cf::player
1033		1499
1034	=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	}
1035		1515
1036	=item cf::player::find $login	1516	=item cf::player::find $login
1037		1517
1038	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1039		1519
…		…
1058		1538
1059	sub exists($) {	1539	sub exists($) {
1060	my ($login) = @_;	1540	my ($login) = @_;
1061		1541
1062	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1064	}	1544	}
1065		1545
1066	sub find($) {	1546	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1548	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1559
1080	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1083	}	1569	}
1084	}	1570	}
1085	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($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	);
1086		1585
1087	sub save($) {	1586	sub save($) {
1088	my ($pl) = @_;	1587	my ($pl) = @_;
1089		1588
1090	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1096		1595
1097	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1099		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
1100	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1101	Coro::cede;	1605	cf::cede_to_tick;
1102	}	1606	}
1103		1607
1104	sub new($) {	1608	sub new($) {
1105	my ($login) = @_;	1609	my ($login) = @_;
1106		1610
…		…
1112	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1113		1617
1114	$self	1618	$self
1115	}	1619	}
1116		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
1117	=item $pl->quit_character	1631	=item $pl->quit_character
1118		1632
1119	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1121		1635
…		…
1125	my ($pl) = @_;	1639	my ($pl) = @_;
1126		1640
1127	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1128		1642
1129	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1130	$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
1131		1645
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1136		1651
1137	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1689	or return [];
1175		1690
1176	my @logins;	1691	my @logins;
1177		1692
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1182		1703
1183	utf8::decode $login;	1704	utf8::decode $login;
1184	push @logins, $login;	1705	push @logins, $login;
1185	}	1706	}
1186		1707
1187	\@logins	1708	\@logins
1188	}	1709	}
1189		1710
1190	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1191		1714
1192	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1193	player. May block.	1716	player. May block.
1194		1717
1195	=cut	1718	=cut
…		…
1213	}	1736	}
1214		1737
1215	\@paths	1738	\@paths
1216	}	1739	}
1217		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1218	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1219		1746
1220	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1221		1748
1222	=cut	1749	=cut
1223		1750
1224	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1226		1753
1227	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1755	}
1231		1756
1232	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1233		1758
1234	Sends an ext event to the client.	1759	Sends an ext event to the client.
1235		1760
1236	=cut	1761	=cut
1237		1762
1238	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1240		1765
1241	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1242	}	1767	}
1243		1768
1244	=head3 cf::region	1769	=head3 cf::region
1245		1770
1246	=over 4	1771	=over 4
…		…
1249		1774
1250	package cf::region;	1775	package cf::region;
1251		1776
1252	=item cf::region::find_by_path $path	1777	=item cf::region::find_by_path $path
1253		1778
1254	Tries to decuce the probable region for a map knowing only its path.	1779	Tries to decuce the likely region for a map knowing only its path.
1255		1780
1256	=cut	1781	=cut
1257		1782
1258	sub find_by_path($) {	1783	sub find_by_path($) {
1259	my ($path) = @_;	1784	my ($path) = @_;
1260		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1261	my ($match, $specificity);	1788	my ($match, $specificity);
1262		1789
1263	for my $region (list) {	1790	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1267	}	1794	}
1268	}	1795	}
1269		1796
…		…
1290	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1292		1819
1293	sub generate_random_map {	1820	sub generate_random_map {
1294	my ($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
1295	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1826	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1318		1848
1319	sub register {	1849	sub register {
1320	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	1851	my $pkg = caller;
1322		1852
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		1854
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	1856	}
1328		1857
1329	# also paths starting with '/'	1858	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		1860
1332	sub thawer_merge {	1861	sub thawer_merge {
1333	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1334		1863
1335	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1340	}	1869	}
1341		1870
1342	sub normalise {	1871	sub normalise {
1343	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1344		1873
1345	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1346		1875
1347	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1348		1877
1349	# map plan:	1878	# map plan:
1350	#	1879	#
…		…
1389	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1390	return $self;	1919	return $self;
1391	}	1920	}
1392	}	1921	}
1393		1922
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	1924	()
1396	}	1925	}
1397		1926
1398	sub init {	1927	sub init {
1399	my ($self) = @_;	1928	my ($self) = @_;
…		…
1421		1950
1422	# the temporary/swap location	1951	# the temporary/swap location
1423	sub save_path {	1952	sub save_path {
1424	my ($self) = @_;	1953	my ($self) = @_;
1425		1954
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1428	}	1957	}
1429		1958
1430	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1431	sub uniq_path {	1960	sub uniq_path {
1432	my ($self) = @_;	1961	my ($self) = @_;
1433		1962
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1965	}
1446		1966
1447	sub decay_objects {	1967	sub decay_objects {
1448	my ($self) = @_;	1968	my ($self) = @_;
1449		1969
…		…
1462		1982
1463	sub load_header_from($) {	1983	sub load_header_from($) {
1464	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1465		1985
1466	utf8::encode $path;	1986	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1472		1995
1473	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1474		1997
1475	1	1998	1
1476	}	1999	}
…		…
1528		2051
1529	sub find;	2052	sub find;
1530	sub find {	2053	sub find {
1531	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1532		2055
		2056	cf::cede_to_tick;
		2057
1533	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1534		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2062
1537	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1540	or return;	2065	or return;
1541		2066
1542	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1543		2068
…		…
1545	or return;	2070	or return;
1546		2071
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1550	$map->reset;	2077	$map->reset;
1551	undef $guard;
1552	return find $path;	2078	return find $path;
1553	}	2079	}
1554		2080
1555	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1556	}	2082	}
1557	}	2083	}
1558		2084
1559	sub pre_load { }	2085	sub pre_load { }
1560	sub post_load { }	2086	#sub post_load { } # XS
1561		2087
1562	sub load {	2088	sub load {
1563	my ($self) = @_;	2089	my ($self) = @_;
1564		2090
1565	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1566		2092
1567	my $path = $self->{path};	2093	my $path = $self->{path};
1568		2094
1569	{	2095	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1571		2097
		2098	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2100
1574	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1575		2102
1576	$self->alloc;	2103	$self->alloc;
1577		2104
1578	$self->pre_load;	2105	$self->pre_load;
1579	Coro::cede;	2106	cf::cede_to_tick;
1580		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1582	or return;	2111	or return;
1583		2112
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1585	if delete $self->{load_original};	2114	if delete $self->{load_original};
1586		2115
1587	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2117	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2120	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1592	}	2124	}
1593	}	2125	}
1594		2126
1595	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1596	# now do the right thing for maps	2130	# now do the right thing for maps
1597	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2133	unless $self->difficulty;
1600	Coro::cede;	2134	cf::cede_to_tick;
1601		2135
1602	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2137	$self->decay_objects;
1604	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1605	$self->update_buttons;	2139	$self->update_buttons;
1606	Coro::cede;	2140	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2141	$self->activate;
1610	}	2142	}
1611		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2148	}
1614		2149
1615	$self->post_load;	2150	$self->post_load;
1616	}	2151	}
1617		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2156	sub customise_for {
1619	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1620		2158
1621	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2160	if $self->per_player;
…		…
1626		2164
1627	$self	2165	$self
1628	}	2166	}
1629		2167
1630	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2169	sub load_neighbours {
1632	my ($map) = @_;	2170	my ($map) = @_;
1633		2171
1634	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1635		2173
1636	for (0 .. 3) {	2174	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1638	or next;	2176	or next;
1639	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1640	or next;	2178	or next;
1641	$neigh->load;	2179	$neigh->load;
1642		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2185	}
1646		2186
1647	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1649	or next;	2190	or next;
1650	$neigh->load;	2191	$neigh->load;
1651	}	2192	}
1652	}	2193	}
1653		2194
1654	sub find_sync {	2195	sub find_sync {
1655	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1656		2197
1657	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1658	}	2202	}
1659		2203
1660	sub do_load_sync {	2204	sub do_load_sync {
1661	my ($map) = @_;	2205	my ($map) = @_;
1662		2206
1663	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1664	}	2211	}
1665		2212
1666	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1668		2215
1669	sub find_async {	2216	sub find_async {
1670	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1671		2218
1672	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1673		2220
1674	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2223	}
1677		2224
1678	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1679	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1680	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2232	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2233	$map->load if $v;
		2234	}
1685		2235
1686	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1687	}	2237	}
1688	}	2238	}
1689	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1690	};	2240	};
1691	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1692		2242
1693	()	2243	()
1694	}	2244	}
1695		2245
		2246	# common code, used by both ->save and ->swapout
1696	sub save {	2247	sub _save {
1697	my ($self) = @_;	2248	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2249
1701	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1702		2251
1703	return unless $self->dirty;	2252	return unless $self->dirty;
1704		2253
…		…
1710	return if $self->{deny_save};	2259	return if $self->{deny_save};
1711		2260
1712	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1713		2262
1714	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1716	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1717		2269
1718	if ($uniq) {	2270	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2273	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2275	}
1724	}	2276	}
1725		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1726	sub swap_out {	2286	sub swap_out {
1727	my ($self) = @_;	2287	my ($self) = @_;
1728		2288
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1734	return if $self->players;	2293	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1738	$self->clear;	2304	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2305	}
1741		2306
1742	sub reset_at {	2307	sub reset_at {
1743	my ($self) = @_;	2308	my ($self) = @_;
1744		2309
…		…
1762		2327
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2329
1765	return if $self->players;	2330	return if $self->players;
1766		2331
1767	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1768		2333
1769	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1770		2335
1771	# need to save uniques path	2336	# need to save uniques path
1772	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2341	if $uniq;
1777	}	2342	}
1778		2343
1779	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1780		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2348	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2349
1785	$self->unlink_save;	2350	$self->unlink_save;
1786	$self->destroy;	2351	$self->destroy;
1787	}	2352	}
1788		2353
1789	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1790		2355
1791	sub nuke {	2356	sub nuke {
1792	my ($self) = @_;	2357	my ($self) = @_;
1793		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1794	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1795		2363
1796	$self->unlink_save;	2364	$self->unlink_save;
1797		2365
1798	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2371
1804	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1805		2374
1806	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
1807	}	2376	}
1808		2377
1809	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
1851		2420
1852	sub unique_maps() {	2421	sub unique_maps() {
1853	[	2422	[
1854	map {	2423	map {
1855	utf8::decode $_;	2424	utf8::decode $_;
1856	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
1857	? normalise $_	2428	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2430	]
1861	}	2431	}
1862		2432
1863	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1864		2464
1865	=back	2465	=back
1866		2466
1867	=head3 cf::object	2467	=head3 cf::object
1868		2468
…		…
1872		2472
1873	=over 4	2473	=over 4
1874		2474
1875	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1876		2476
1877	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1878		2479
1879	=cut	2480	=cut
1880		2481
1881	sub inv_recursive_;	2482	sub inv_recursive_;
1882	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1885		2486
1886	sub inv_recursive {	2487	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1888	}	2489	}
1889		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1890	package cf;	2519	package cf;
1891		2520
1892	=back	2521	=back
1893		2522
1894	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1903		2532
1904	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1905		2548
1906	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2550	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1911		2554
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2556
1914	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1916	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1919	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1920	}	2582	}
1921		2583
1922	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1923		2585
1924	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1937		2599
1938	=item $player_object->enter_link	2600	=item $player_object->enter_link
1939		2601
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2603
1942	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1944		2608
1945	Will never block.	2609	Will never block.
1946		2610
1947	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1948		2612
…		…
1968	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2633	my ($self) = @_;
1970		2634
1971	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1972		2636
		2637	++$self->{_link_recursion};
		2638
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2640
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
1977		2643
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2645	}
1980		2646
1981	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
1983		2649
…		…
2000	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2002		2668
2003	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2006		2672
2007	$map->load;	2673	$map->load;
2008	$map->load_diag;	2674	$map->load_neighbours;
2009		2675
2010	return unless $self->contr->active;	2676	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2677
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2015	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2016		2685
		2686	}
		2687
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2689
2019	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
2023		2698
2024	=cut	2699	=cut
2025		2700
2026	our $GOTOGEN;	2701	our $GOTOGEN;
2027		2702
2028	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
2030		2711
2031	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2714
2034	$self->enter_link;	2715	$self->enter_link;
2035		2716
2036	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2037	my $map = eval {	2739	my $map = eval {
2038	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2039		2741
2040	if ($map) {	2742	if ($map) {
2041	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2745	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2747	}
2046		2748
2047	$map	2749	$map
2048	};	2750	};
2049		2751
…		…
2054		2756
2055	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2058	}	2760	}
		2761
		2762	$done->($self) if $done;
2059	})->prio (1);	2763	})->prio (1);
2060	}	2764	}
2061		2765
2062	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2063		2767
…		…
2083	}	2787	}
2084		2788
2085	sub prepare_random_map {	2789	sub prepare_random_map {
2086	my ($exit) = @_;	2790	my ($exit) = @_;
2087		2791
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2794	# that depends on the exit object
2093		2795
2094	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2798	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2101	}	2805	}
2102		2806
2103	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2104		2808
2105	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2108		2812
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2815	undef $fh;
2112	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2113		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2116	}	2824	}
2117	}	2825	}
2118		2826
2119	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2121		2829
2122	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2123		2831
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2832	$self->enter_link;
2136		2833
2137	(async {	2834	(async {
2138	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2139	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2140	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2141		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2142	1;	2858	1
2143	}) {	2859	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2864
2149	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	2866	$self->leave_link;
2151	}	2867	}
2152	})->prio (1);	2868	})->prio (1);
2153	}	2869	}
2154		2870
…		…
2168		2884
2169	utf8::encode $text;	2885	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2887	}
2172		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2173	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2174		3077
2175	Sends an exti event to the client.	3078	Sends an ext event to the client.
2176		3079
2177	=cut	3080	=cut
2178		3081
2179	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2181		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2184	}	3109	}
2185		3110
2186	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2187		3112
2188	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3116
2192	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3118	become reliable at some point in the future.
2194		3119
2195	=cut	3120	=cut
2196		3121
2197	sub cf::client::query {	3122	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3131	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3133
2209	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2211	}	3138	}
2212		3139
2213	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2214	on_reply => sub {	3146	on_reply => sub {
2215	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2216		3148
2217	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2218	# get handled first	3150	# get handled first
…		…
2230	} else {	3162	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3164	}
2233	}	3165	}
2234	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2235	);	3193	);
2236		3194
2237	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2238		3196
2239	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3213
2256	$coro	3214	$coro
2257	}	3215	}
2258		3216
2259	cf::client->attach (	3217	cf::client->attach (
2260	on_destroy => sub {	3218	on_client_destroy => sub {
2261	my ($ns) = @_;	3219	my ($ns) = @_;
2262		3220
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3222	},
2265	);	3223	);
…		…
2280	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2282		3240
2283	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2284		3242
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2286		3248
2287	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2288		3250
2289	=pod	3251	=pod
2290		3252
2291	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2292		3254
2293	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2294	cf::object::player player	3260	cf::object::player
2295	cf::player peaceful	3261	player
2296	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2297		3268
2298	=cut	3269	=cut
2299		3270
2300	for (	3271	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2305	) {	3278	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3281	for @funs;
2310	}	3282	}
2311		3283
…		…
2326		3298
2327	my $qcode = $code;	3299	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2330		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2331	local $_;	3306	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3307
2334	my $eval =	3308	my $eval =
2335	"do {\n"	3309	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3312	. $code
2339	. "\n}"	3313	. "\n}"
2340	;	3314	;
2341		3315
		3316	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	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	}
2345		3325
2346	if ($@) {	3326	if ($@) {
2347	warn "$@";	3327	warn "$@",
2348	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2350	}	3330	}
2351		3331
2352	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2353	}	3333	}
2354		3334
…		…
2368	=cut	3348	=cut
2369		3349
2370	sub register_script_function {	3350	sub register_script_function {
2371	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2372		3352
2373	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2375	}	3355	}
2376		3356
2377	=back	3357	=back
2378		3358
2379	=cut	3359	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3360
2553	#############################################################################	3361	#############################################################################
2554	# the server's init and main functions	3362	# the server's init and main functions
2555		3363
2556	sub load_facedata($) {	3364	sub load_facedata($) {
2557	my ($path) = @_;	3365	my ($path) = @_;
2558		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
2559	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2560		3374
2561	my $facedata;	3375	my $facedata;
2562	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2563	or die "$path: $!";	3377	or die "$path: $!";
2564		3378
2565	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2566		3380
2567	$facedata->{version} == 2	3381	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		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
2570	{	3393	{
2571	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2572		3395
2573	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3403
		3404	cf::cede_to_tick;
2579	}	3405	}
2580		3406
2581	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2583	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2584	or next;	3411	or next;
		3412
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3416	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3418	}
2590	Coro::cede;	3419
		3420	cf::cede_to_tick;
2591	}	3421	}
2592	}	3422	}
2593		3423
2594	{	3424	{
2595	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2596		3426
2597	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3429	cf::cede_to_tick;
2600	}	3430	}
2601		3431
2602	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2603	}	3433	}
2604		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} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2605	1	3454	1
2606	}	3455	}
2607		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($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	$status
		3473	}
		3474
2608	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2609	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2610	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 $_->{match};
		3486	}
2611	}	3487	}
2612		3488
2613	sub reload_facedata {	3489	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2623	sub reload_treasures {	3499	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2626	}	3502	}
2627		3503
		3504	sub reload_exp {
		3505	cf::init_experience;
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2628	sub reload_resources {	3531	sub reload_resources {
2629	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2630		3533
		3534	reload_exp;
		3535	reload_facedata;
		3536	reload_sound;
		3537	reload_archetypes;
2631	reload_regions;	3538	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3539	reload_treasures;
2636		3540
2637	warn "finished reloading resource files\n";	3541	trace "finished reloading resource files\n";
2638	}	3542	}
2639		3543
2640	sub init {	3544	sub reload_config {
2641	reload_resources;	3545	trace "reloading config file...\n";
2642	}
2643		3546
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3547	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3548	or return;
2647		3549
2648	local $/;	3550	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3551	*CFG = YAML::XS::Load scalar <$fh>;
2650		3552
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3554
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2655		3557
2656	if (exists $CFG{mlockall}) {	3558	if (exists $CFG{mlockall}) {
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3561	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3562	};
2661	warn $@ if $@;	3563	warn $@ if $@;
2662	}	3564	}
		3565
		3566	trace "finished reloading resource files\n";
		3567	}
		3568
		3569	sub pidfile() {
		3570	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3571	or die "$PIDFILE: $!";
		3572	flock $fh, &Fcntl::LOCK_EX
		3573	or die "$PIDFILE: flock: $!";
		3574	$fh
		3575	}
		3576
		3577	# make sure only one server instance is running at any one time
		3578	sub atomic {
		3579	my $fh = pidfile;
		3580
		3581	my $pid = <$fh>;
		3582	kill 9, $pid if $pid > 0;
		3583
		3584	seek $fh, 0, 0;
		3585	print $fh $$;
		3586	}
		3587
		3588	sub main_loop {
		3589	trace "EV::loop starting\n";
		3590	if (1) {
		3591	EV::loop;
		3592	}
		3593	trace "EV::loop returned\n";
		3594	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3595	}
2664		3596
2665	sub main {	3597	sub main {
		3598	cf::init_globals; # initialise logging
		3599
		3600	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3601	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3602	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3603	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3604
		3605	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3606
2666	# we must not ever block the main coroutine	3607	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3608	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3609	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3610	(async {
2670	Event::one_event;	3611	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3612	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3613	})->prio (Coro::PRIO_MAX);
2672	};	3614	};
2673		3615
2674	cfg_load;	3616	evthread_start IO::AIO::poll_fileno;
		3617
		3618	cf::sync_job {
		3619	cf::incloader::init ();
		3620
		3621	cf::init_anim;
		3622	cf::init_attackmess;
		3623	cf::init_dynamic;
		3624
		3625	cf::load_settings;
		3626	cf::load_materials;
		3627
		3628	reload_resources;
		3629	reload_config;
2675	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2676	load_extensions;	3640	load_extensions;
2677		3641
2678	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2680	}	3660	}
2681		3661
2682	#############################################################################	3662	#############################################################################
2683	# initialisation and cleanup	3663	# initialisation and cleanup
2684		3664
2685	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2686	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2695	},
2696	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2697	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2698	}	3761	}
2699		3762
2700	sub emergency_save() {	3763	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2702		3765
2703	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2704		3772
2705	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2706	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3784	$pl->save;
2714	}	3785	}
2715	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2716		3787
2717	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3793	$map->valid or next;
2721	$map->save;	3794	$map->save;
2722	}	3795	}
2723	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2724		3797
2725	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2728	};	3826	};
2729		3827
2730	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2731	}	3829	}
2732		3830
2733	sub post_cleanup {	3831	sub post_cleanup {
2734	my ($make_core) = @_;	3832	my ($make_core) = @_;
2735		3833
		3834	IO::AIO::flush;
		3835
2736	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2738	}	3866	}
2739		3867
2740	sub do_reload_perl() {	3868	sub do_reload_perl() {
2741	# can/must only be called in main	3869	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2743	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2744	return;	3872	return;
2745	}	3873	}
2746		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2747	warn "reloading...";	3881	info "reloading...";
2748		3882
2749	warn "entering sync_job";	3883	trace "entering sync_job";
2750		3884
2751	cf::sync_job {	3885	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	3886	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		3887
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	3890	%EXT_CORO = ();
2780		3891
2781	warn "removing commands";	3892	trace "removing commands";
2782	%COMMAND = ();	3893	%COMMAND = ();
2783		3894
2784	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2785	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2786		3898
2787	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2790		3902
2791	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2792	eval {	3904	eval {
2793	$cb->($pkg);	3905	$cb->($pkg);
2794	1	3906	1
2795	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2796	}	3912	}
2797		3913
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3917
2806	warn "... unloading $k";	3918	trace "... unloading $k";
2807	delete $INC{$k};	3919	delete $INC{$k};
2808		3920
2809	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2811		3923
2812	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2814	}	3929	}
2815		3930
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3934
2823	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3938
2827	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3940	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2830		3942
2831	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2832		3944
2833	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2834	require cf;	3946	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2836		3948
2837	warn "loading config and database again";	3949	trace "loading config and database again";
2838	cf::cfg_load;	3950	cf::reload_config;
2839		3951
2840	warn "loading extensions";	3952	trace "loading extensions";
2841	cf::load_extensions;	3953	cf::load_extensions;
2842		3954
		3955	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2849		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
2850	warn "leaving sync_job";	3967	trace "leaving sync_job";
2851		3968
2852	1	3969	1
2853	} or do {	3970	} or do {
2854	warn $@;	3971	error $@;
2855	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2856	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
2857	};	3977	}
2858		3978
2859	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
2860	};	3981	};
2861		3982
2862	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
2863		3984
2864	sub reload_perl() {	3985	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
2867		3988
2868	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3991
2871	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3993	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
2875	},	3995	};
2876	);	3996	};
2877	}	3997	}
2878		3998
2879	register_command "reload" => sub {	3999	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2881		4001
2882	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4006	reload_perl;
		4007	};
2885	}	4008	}
2886	};	4009	};
2887		4010
2888	unshift @INC, $LIBDIR;	4011	#############################################################################
2889		4012
2890	my $bug_warning = 0;	4013	my $bug_warning = 0;
2891		4014
2892	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
2894		4017
2895	sub wait_for_tick {	4018	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		4020
2899	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	4023	$signal->wait;
2902	}	4024	}
2903		4025
2904	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		4028
2908	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4031	$signal->wait;
2911	}	4032	}
2912		4033
2913	my $min = 1e6;#d#	4034	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2925	return;	4038	return;
2926	}	4039	}
2927		4040
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2931		4042
2932	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		4044
2938	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	4047	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	4049	write_runtime_sync
2943		4050	or error "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4051	};
		4052	}
2954		4053
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4055	$sig->send;
2971	}	4056	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4058	$sig->send;
2974	}	4059	}
2975		4060
2976	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4063
2987	_post_tick;	4064	if (0) {
2988		4065	if ($NEXT_TICK) {
2989		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
2990	},	4070	}
2991	);	4071	}
2992		4072
2993	{	4073	{
2994	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4075
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
3004		4077	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4079
3020	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4087
3023	cf::sync_job {	4088	cf::sync_job {
3024	eval {	4089	eval {
3025	BDB::db_env_open	4090	BDB::db_env_open
3026	$DB_ENV,	4091	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4095	0666;
3031		4096
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4098	};
3037		4099
3038	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4101	};
3040	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
3041	}	4113	}
3042		4114
3043	{	4115	{
		4116	# configure IO::AIO
		4117
3044	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4121	}
3057		4122
3058	my $_log_backtrace;	4123	my $_log_backtrace;
3059		4124
3060	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3064		4129
3065	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3068	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3069	my @bt = fork_call {	4137	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3081	}	4149	}
3082		4150
3083	@funcs	4151	@funcs
3084	};	4152	};
3085		4153
3086	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4157	--$_log_backtrace;
3089	};	4158	};
3090	} else {	4159	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4162	}
3094	}	4163	}
3095		4164
3096	# load additional modules	4165	# load additional modules
3097	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3098		4168
3099	END { cf::emergency_save }	4169	END { cf::emergency_save }
3100		4170
3101	1	4171	1
3102		4172

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