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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
		312
		313	#############################################################################
211		314
212	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
213		316
214	=over 4	317	=over 4
215		318
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	338	$d
236	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
237	}	340	}
238		341
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
242		343
243	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
244		345
245	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
246		347
247	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
248		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
249	=item cf::lock_wait $string	371	=item cf::lock_wait $string
250		372
251	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
252		374
253	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
254		376
255	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
258	returned.	380	returned.
259		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
260	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
262		387
263	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
264		389
265	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
266		391
267	=cut	392	=cut
268		393
269	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
270		395
271	sub lock_wait($) {	396	sub lock_wait($) {
272	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	398	}
280		399
281	sub lock_acquire($) {	400	sub lock_acquire($) {
282	my ($key) = @_;	401	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	402	}
294		403
295	sub lock_active($) {	404	sub lock_active($) {
296	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	406	}
300		407
301	sub freeze_mainloop {	408	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
303		410
304	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
306	};	478	}
307	$TICK_WATCHER->stop;	479	};
308	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
309	}	494	}
310		495
311	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
312		497
313	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		503
319	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
320		505
321	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
322		507
323	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
326		512
327	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
330	fast or be very important.	516	fast or be very important.
…		…
333		519
334	sub sync_job(&) {	520	sub sync_job(&) {
335	my ($job) = @_;	521	my ($job) = @_;
336		522
337	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::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";#d#
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	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
431	}	770	}
432		771
433	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
434		773
435	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
436		775
437	=cut	776	=cut
438		777
439	sub datalog($@) {	778	sub datalog($@) {
440	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	781	}
443		782
444	=back	783	=back
445		784
446	=cut	785	=cut
447		786
448	#############################################################################	787	#############################################################################
449		788
450	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
451		790
452	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
455		794
456	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	797	Deliantra).
459		798
460	=over 4	799	=over 4
461		800
462	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
463		802
…		…
507	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
508		847
509	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
511		850
512	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
514		853
515	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
516		855
517	=over 4	856	=over 4
…		…
641		980
642	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		983
645	} elsif (ref $type) {	984	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
647		986
648	} else {	987	} else {
649	shift @arg;	988	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
651	}	990	}
652	}	991	}
653	}	992	}
654		993
655	sub _object_attach {	994	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
666	}	1005	}
667		1006
668	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
669	} else {	1008	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1010	}
672		1011
673	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
674	}	1013	}
675		1014
…		…
715	";	1054	";
716	die if $@;	1055	die if $@;
717	}	1056	}
718		1057
719	our $override;	1058	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1060
722	sub override {	1061	sub override {
723	$override = 1;	1062	$override = 1;
724	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
725	}	1064	}
726		1065
727	sub do_invoke {	1066	sub do_invoke {
728	my $event = shift;	1067	my $event = shift;
729	my $callbacks = shift;	1068	my $callbacks = shift;
730		1069
731	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
732		1071
733	local $override;	1072	local $override;
734		1073
735	for (@$callbacks) {	1074	for (@$callbacks) {
736	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
737		1076
738	if ($@) {	1077	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1079	override;
742	}	1080	}
743		1081
744	return 1 if $override;	1082	return 1 if $override;
745	}	1083	}
746		1084
747	0	1085	0
748	}	1086	}
749		1087
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1089
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1091
754	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
755		1093
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	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	1095	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1097
760	=back	1098	=back
761		1099
762	=cut	1100	=cut
763		1101
764	#############################################################################	1102	#############################################################################
765	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
766		1146
767	sub reattach {	1147	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1149	my ($obj) = @_;
770		1150
		1151	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1153
773	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
774		1155
775	@$registry = ();	1156	@$registry = ();
776		1157
…		…
781	for (@$attach) {	1162	for (@$attach) {
782	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
784	}	1165	}
785	} else {	1166	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1168	}
788	}	1169	}
789	}	1170	}
790		1171
791	cf::attachable->attach (	1172	cf::attachable->attach (
792	prio => -1000000,	1173	prio => -1000000,
793	on_instantiate => sub {	1174	on_instantiate => sub {
794	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
795		1176
796	$data = from_json $data;	1177	$data = decode_json $data;
797		1178
798	for (@$data) {	1179	for (@$data) {
799	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
800		1181
801	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1198	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
819		1200
820	sync_job {	1201	sync_job {
821	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
824		1207
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
829	close $fh;	1215	aio_close $fh;
830		1216
831	if (@$objs) {	1217	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
837	close $fh;	1226	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
839	}	1228	}
840	} else {	1229	} else {
841	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
842	}	1231	}
843		1232
844	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1237	} else {
846	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
847	}	1239	}
848	} else {	1240	} else {
849	aio_unlink $filename;	1241	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
851	}	1243	}
852	}	1244	};
853	}	1245	}
854		1246
855	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
857		1249
…		…
869	or return;	1261	or return;
870		1262
871	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
873	or return;	1265	or return;
		1266
874	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
875	}	1269	}
876		1270
		1271	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
879	return ($data, $av);	1276	($data, $av)
880	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
881		1284
882	#############################################################################	1285	#############################################################################
883	# command handling &c	1286	# command handling &c
884		1287
885	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1302	}
900		1303
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1305
903	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
904		1311
905	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
906	called.	1313	called.
907		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
908	=cut	1326	=cut
909		1327
910	sub register_extcmd {	1328	sub register_extcmd {
911	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
912		1330
913	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
914	}	1332	}
915		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
916	cf::player->attach (	1342	cf::player->attach (
917	on_command => sub {	1343	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
919		1345
920	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
921	or return;	1347	or return;
922		1348
…		…
927	cf::override;	1353	cf::override;
928	},	1354	},
929	on_extcmd => sub {	1355	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
931		1357
932	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1359
934	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
940	} else {	1375	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1377	}
943		1378
944	cf::override;	1379	cf::override;
945	},	1380	},
946	);	1381	);
947		1382
		1383	# "readahead" all extensions
948	sub load_extension {	1384	sub cache_extensions {
949	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
950		1386
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1390	}
976	die $@;
977	}	1391	};
978		1392
979	push @EXTS, $pkg;	1393	$grp
980	}	1394	}
981		1395
982	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
983	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1403	next unless -r $path;
985	eval {	1404
986	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
987	1	1468	}
988	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
989	}	1479	};
990	}	1480	}
991		1481
992	#############################################################################	1482	#############################################################################
993		1483
		1484	=back
		1485
994	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
995		1487
996	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
997		1489
998	=cut	1490	=cut
999		1491
1000	package cf::player;	1492	package cf::player;
1001		1493
1002	use Coro::AIO;	1494	use Coro::AIO;
1003		1495
1004	=head3 cf::player	1496	=head3 cf::player
1005		1497
1006	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1007		1513
1008	=item cf::player::find $login	1514	=item cf::player::find $login
1009		1515
1010	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1011		1517
…		…
1030		1536
1031	sub exists($) {	1537	sub exists($) {
1032	my ($login) = @_;	1538	my ($login) = @_;
1033		1539
1034	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1036	}	1542	}
1037		1543
1038	sub find($) {	1544	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1546	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1557
1052	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1055	}	1567	}
1056	}	1568	}
1057	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1058		1583
1059	sub save($) {	1584	sub save($) {
1060	my ($pl) = @_;	1585	my ($pl) = @_;
1061		1586
1062	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1068		1593
1069	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1071		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1072	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1073	Coro::cede;	1603	cf::cede_to_tick;
1074	}	1604	}
1075		1605
1076	sub new($) {	1606	sub new($) {
1077	my ($login) = @_;	1607	my ($login) = @_;
1078		1608
…		…
1084	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1085		1615
1086	$self	1616	$self
1087	}	1617	}
1088		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1089	=item $pl->quit_character	1629	=item $pl->quit_character
1090		1630
1091	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1093		1633
…		…
1097	my ($pl) = @_;	1637	my ($pl) = @_;
1098		1638
1099	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1100		1640
1101	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1643
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1108		1649
1109	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1687	or return [];
1147		1688
1148	my @logins;	1689	my @logins;
1149		1690
1150	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1154		1701
1155	utf8::decode $login;	1702	utf8::decode $login;
1156	push @logins, $login;	1703	push @logins, $login;
1157	}	1704	}
1158		1705
1159	\@logins	1706	\@logins
1160	}	1707	}
1161		1708
1162	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1163		1712
1164	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1165	player. May block.	1714	player. May block.
1166		1715
1167	=cut	1716	=cut
…		…
1185	}	1734	}
1186		1735
1187	\@paths	1736	\@paths
1188	}	1737	}
1189		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1190	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1191		1744
1192	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1193		1746
1194	=cut	1747	=cut
1195		1748
1196	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1198		1751
1199	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1753	}
1203		1754
1204	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1205		1756
1206	Sends an ext event to the client.	1757	Sends an ext event to the client.
1207		1758
1208	=cut	1759	=cut
1209		1760
1210	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1212		1763
1213	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1214	}	1765	}
1215		1766
1216	=head3 cf::region	1767	=head3 cf::region
1217		1768
1218	=over 4	1769	=over 4
…		…
1221		1772
1222	package cf::region;	1773	package cf::region;
1223		1774
1224	=item cf::region::find_by_path $path	1775	=item cf::region::find_by_path $path
1225		1776
1226	Tries to decuce the probable region for a map knowing only its path.	1777	Tries to decuce the likely region for a map knowing only its path.
1227		1778
1228	=cut	1779	=cut
1229		1780
1230	sub find_by_path($) {	1781	sub find_by_path($) {
1231	my ($path) = @_;	1782	my ($path) = @_;
1232		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1233	my ($match, $specificity);	1786	my ($match, $specificity);
1234		1787
1235	for my $region (list) {	1788	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1239	}	1792	}
1240	}	1793	}
1241		1794
…		…
1262	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1264		1817
1265	sub generate_random_map {	1818	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1267	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1824	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1297		1853
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1855	}
1300		1856
1301	# also paths starting with '/'	1857	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1859
1304	sub thawer_merge {	1860	sub thawer_merge {
1305	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1306		1862
1307	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1308	local $self->{path};	1864	local $self->{path};
1309	local $self->{load_path};	1865	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1866
1313	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1314	}	1868	}
1315		1869
1316	sub normalise {	1870	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1364	return $self;	1918	return $self;
1365	}	1919	}
1366	}	1920	}
1367		1921
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1923	()
1370	}	1924	}
1371		1925
1372	sub init {	1926	sub init {
1373	my ($self) = @_;	1927	my ($self) = @_;
…		…
1395		1949
1396	# the temporary/swap location	1950	# the temporary/swap location
1397	sub save_path {	1951	sub save_path {
1398	my ($self) = @_;	1952	my ($self) = @_;
1399		1953
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1402	}	1956	}
1403		1957
1404	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1405	sub uniq_path {	1959	sub uniq_path {
1406	my ($self) = @_;	1960	my ($self) = @_;
1407		1961
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1410	}	1964	}
1411		1965
1412	# and all this just because we cannot iterate over	1966	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1967	my ($self) = @_;
1416		1968
1417	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1419	}	1972	}
1420		1973
1421	sub unlink_save {	1974	sub unlink_save {
1422	my ($self) = @_;	1975	my ($self) = @_;
1423		1976
…		…
1428		1981
1429	sub load_header_from($) {	1982	sub load_header_from($) {
1430	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1431		1984
1432	utf8::encode $path;	1985	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1438		1994
1439	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1440		1996
1441	1	1997	1
1442	}	1998	}
…		…
1481	$self->load_header_orig	2037	$self->load_header_orig
1482	or return;	2038	or return;
1483	$self->prepare_orig;	2039	$self->prepare_orig;
1484	}	2040	}
1485		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1486	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2046	unless $self->default_region;
1488		2047
1489	1	2048	1
1490	}	2049	}
…		…
1493	sub find {	2052	sub find {
1494	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1495		2054
1496	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1497		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2059
1500	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1503	or return;	2062	or return;
1504		2063
1505	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1506		2065
1507	$map->load_header	2066	$map->load_header
1508	or return;	2067	or return;
1509		2068
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1513	$map->reset;	2074	$map->reset;
1514	undef $guard;
1515	return find $path;	2075	return find $path;
1516	}	2076	}
1517		2077
1518	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1519	}	2079	}
1520	}	2080	}
1521		2081
1522	sub pre_load { }	2082	sub pre_load { }
1523	sub post_load { }	2083	#sub post_load { } # XS
1524		2084
1525	sub load {	2085	sub load {
1526	my ($self) = @_;	2086	my ($self) = @_;
1527		2087
1528	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1529		2089
1530	my $path = $self->{path};	2090	my $path = $self->{path};
1531		2091
1532	{	2092	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1534		2094
		2095	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2097
1537	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1538		2099
1539	$self->alloc;	2100	$self->alloc;
1540		2101
1541	$self->pre_load;	2102	$self->pre_load;
1542	Coro::cede;	2103	cf::cede_to_tick;
1543		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1545	or return;	2108	or return;
1546		2109
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1548	if delete $self->{load_original};	2111	if delete $self->{load_original};
1549		2112
1550	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2114	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2117	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1555	}	2121	}
1556	}	2122	}
1557		2123
1558	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1559	# now do the right thing for maps	2127	# now do the right thing for maps
1560	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2130	unless $self->difficulty;
1563	Coro::cede;	2131	cf::cede_to_tick;
1564		2132
1565	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2134	$self->decay_objects;
1567	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1568	$self->update_buttons;	2136	$self->update_buttons;
1569	Coro::cede;	2137	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2138	$self->activate;
1573	}	2139	}
1574		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2145	}
1577		2146
1578	$self->post_load;	2147	$self->post_load;
1579	}	2148	}
1580		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2153	sub customise_for {
1582	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1583		2155
1584	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2157	if $self->per_player;
1586		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1587	$self	2162	$self
1588	}	2163	}
1589		2164
1590	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2166	sub load_neighbours {
1592	my ($map) = @_;	2167	my ($map) = @_;
1593		2168
1594	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1595		2170
1596	for (0 .. 3) {	2171	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1598	or next;	2173	or next;
1599	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1600	or next;	2175	or next;
1601	$neigh->load;	2176	$neigh->load;
1602		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2182	}
1606		2183
1607	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1609	or next;	2187	or next;
1610	$neigh->load;	2188	$neigh->load;
1611	}	2189	}
1612	}	2190	}
1613		2191
…		…
1618	}	2196	}
1619		2197
1620	sub do_load_sync {	2198	sub do_load_sync {
1621	my ($map) = @_;	2199	my ($map) = @_;
1622		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1623	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1624	}	2205	}
1625		2206
1626	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1628		2209
1629	sub find_async {	2210	sub find_async {
1630	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1631		2212
1632	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1633		2214
1634	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2217	}
1637		2218
1638	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1639	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1640	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2226	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2227	$map->load if $v;
		2228	}
1645		2229
1646	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1647	}	2231	}
1648	}	2232	}
1649	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1650	};	2234	};
1651	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1652		2236
1653	()	2237	()
1654	}	2238	}
1655		2239
		2240	# common code, used by both ->save and ->swapout
1656	sub save {	2241	sub _save {
1657	my ($self) = @_;	2242	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2243
1661	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1662		2245
1663	return unless $self->dirty;	2246	return unless $self->dirty;
1664		2247
…		…
1670	return if $self->{deny_save};	2253	return if $self->{deny_save};
1671		2254
1672	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1673		2256
1674	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1676	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1677		2263
1678	if ($uniq) {	2264	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2267	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2269	}
1684	}	2270	}
1685		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1686	sub swap_out {	2280	sub swap_out {
1687	my ($self) = @_;	2281	my ($self) = @_;
1688		2282
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1694	return if $self->players;	2287	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1698	$self->clear;	2298	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2299	}
1701		2300
1702	sub reset_at {	2301	sub reset_at {
1703	my ($self) = @_;	2302	my ($self) = @_;
1704		2303
1705	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1708		2306
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2309
…		…
1722	my ($self) = @_;	2320	my ($self) = @_;
1723		2321
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2323
1726	return if $self->players;	2324	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2325
1729	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
1730		2327
1731	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1732		2329
1733	# need to save uniques path	2330	# need to save uniques path
1734	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2335	if $uniq;
1739	}	2336	}
1740		2337
1741	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1742		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2342	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2343
1747	$self->unlink_save;	2344	$self->unlink_save;
1748	$self->destroy;	2345	$self->destroy;
1749	}	2346	}
1750		2347
1751	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1752		2349
1753	sub nuke {	2350	sub nuke {
1754	my ($self) = @_;	2351	my ($self) = @_;
1755		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1756	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1757		2357
1758	$self->unlink_save;	2358	$self->unlink_save;
1759		2359
1760	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2365
1766	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1767		2368
1768	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1769	}	2406	}
1770		2407
1771	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1772		2409
1773	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2411	instantiated unique items. May block.
1775		2412
1776	=cut	2413	=cut
1777		2414
1778	sub unique_maps() {	2415	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2416	[
1780	or return;	2417	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2418	utf8::decode $_;
1786	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2421	? ()
1789	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2424	]
1791
1792	\@paths
1793	}	2425	}
1794		2426
1795	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1796		2458
1797	=back	2459	=back
1798		2460
1799	=head3 cf::object	2461	=head3 cf::object
1800		2462
…		…
1804		2466
1805	=over 4	2467	=over 4
1806		2468
1807	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1808		2470
1809	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1810		2473
1811	=cut	2474	=cut
1812		2475
1813	sub inv_recursive_;	2476	sub inv_recursive_;
1814	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1817		2480
1818	sub inv_recursive {	2481	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1820	}	2483	}
1821		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1822	package cf;	2513	package cf;
1823		2514
1824	=back	2515	=back
1825		2516
1826	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1835		2526
1836	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1837		2542
1838	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2544	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1843		2548
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2550
1846	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1848	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1851	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1852	}	2576	}
1853		2577
1854	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1855		2579
1856	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1869		2593
1870	=item $player_object->enter_link	2594	=item $player_object->enter_link
1871		2595
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2597
1874	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1876		2602
1877	Will never block.	2603	Will never block.
1878		2604
1879	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1880		2606
…		…
1900	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2627	my ($self) = @_;
1902		2628
1903	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1904		2630
		2631	++$self->{_link_recursion};
		2632
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2634
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
1909		2637
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2639	}
1912		2640
1913	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
1915		2643
…		…
1932	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1934		2662
1935	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1938		2666
1939	$map->load;	2667	$map->load;
1940	$map->load_diag;	2668	$map->load_neighbours;
1941		2669
1942	return unless $self->contr->active;	2670	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2671
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
1947	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
1948		2679
		2680	}
		2681
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2683
1951	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
1955		2692
1956	=cut	2693	=cut
1957		2694
1958	our $GOTOGEN;	2695	our $GOTOGEN;
1959		2696
1960	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
1962		2705
1963	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2708
1966	$self->enter_link;	2709	$self->enter_link;
1967		2710
1968	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1969	my $map = eval {	2733	my $map = eval {
1970	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
1971		2735
1972	if ($map) {	2736	if ($map) {
1973	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2739	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2741	}
1978		2742
1979	$map	2743	$map
1980	};	2744	};
1981		2745
…		…
1986		2750
1987	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
1990	}	2754	}
		2755
		2756	$done->($self) if $done;
1991	})->prio (1);	2757	})->prio (1);
1992	}	2758	}
1993		2759
1994	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1995		2761
…		…
2015	}	2781	}
2016		2782
2017	sub prepare_random_map {	2783	sub prepare_random_map {
2018	my ($exit) = @_;	2784	my ($exit) = @_;
2019		2785
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2788	# that depends on the exit object
2025		2789
2026	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2792	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2033	}	2799	}
2034		2800
2035	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2036		2802
2037	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2040		2806
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2809	undef $fh;
2044	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2045		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2048	}	2818	}
2049	}	2819	}
2050		2820
2051	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2053		2823
2054	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2055		2825
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2826	$self->enter_link;
2068		2827
2069	(async {	2828	(async {
2070	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2071	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2072	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2073		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2074	1;	2852	1
2075	}) {	2853	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2858
2081	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2860	$self->leave_link;
2083	}	2861	}
2084	})->prio (1);	2862	})->prio (1);
2085	}	2863	}
2086		2864
…		…
2100		2878
2101	utf8::encode $text;	2879	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2881	}
2104		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2105	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2106		3071
2107	Sends an exti event to the client.	3072	Sends an ext event to the client.
2108		3073
2109	=cut	3074	=cut
2110		3075
2111	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2113		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2116	}	3103	}
2117		3104
2118	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2119		3106
2120	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3110
2124	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3112	become reliable at some point in the future.
2126		3113
2127	=cut	3114	=cut
2128		3115
2129	sub cf::client::query {	3116	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3125	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3127
2141	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2143	}	3132	}
2144		3133
2145	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2146	on_reply => sub {	3140	on_reply => sub {
2147	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2148		3142
2149	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2150	# get handled first	3144	# get handled first
…		…
2162	} else {	3156	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3158	}
2165	}	3159	}
2166	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2167	);	3187	);
2168		3188
2169	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2170		3190
2171	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3207
2188	$coro	3208	$coro
2189	}	3209	}
2190		3210
2191	cf::client->attach (	3211	cf::client->attach (
2192	on_destroy => sub {	3212	on_client_destroy => sub {
2193	my ($ns) = @_;	3213	my ($ns) = @_;
2194		3214
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3216	},
2197	);	3217	);
…		…
2212	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2214		3234
2215	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2216		3236
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2218		3242
2219	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2220		3244
2221	=pod	3245	=pod
2222		3246
2223	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2224		3248
2225	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2226	cf::object::player player	3254	cf::object::player
2227	cf::player peaceful	3255	player
2228	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2229		3262
2230	=cut	3263	=cut
2231		3264
2232	for (	3265	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2237	) {	3272	) {
2238	no strict 'refs';	3273	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2258		3293
2259	my $qcode = $code;	3294	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2262		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2263	local $_;	3301	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3302
2266	my $eval =	3303	my $eval =
2267	"do {\n"	3304	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3307	. $code
2271	. "\n}"	3308	. "\n}"
2272	;	3309	;
2273		3310
		3311	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2277		3320
2278	if ($@) {	3321	if ($@) {
2279	warn "$@";	3322	warn "$@",
2280	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2282	}	3325	}
2283		3326
2284	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2285	}	3328	}
2286		3329
…		…
2300	=cut	3343	=cut
2301		3344
2302	sub register_script_function {	3345	sub register_script_function {
2303	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2304		3347
2305	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2307	}	3350	}
2308		3351
2309	=back	3352	=back
2310		3353
2311	=cut	3354	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3355
2485	#############################################################################	3356	#############################################################################
2486	# the server's init and main functions	3357	# the server's init and main functions
2487		3358
2488	sub load_facedata($) {	3359	sub load_facedata($) {
2489	my ($path) = @_;	3360	my ($path) = @_;
2490		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2491	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2492		3369
2493	my $facedata;	3370	my $facedata;
2494	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2495	or die "$path: $!";	3372	or die "$path: $!";
2496		3373
2497	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2498		3375
2499	$facedata->{version} == 2	3376	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2502	{	3388	{
2503	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2504		3390
2505	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3398
		3399	cf::cede_to_tick;
2511	}	3400	}
2512		3401
2513	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2515	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2516	or next;	3406	or next;
		3407
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3411	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3413	}
2522	Coro::cede;	3414
		3415	cf::cede_to_tick;
2523	}	3416	}
2524	}	3417	}
2525		3418
2526	{	3419	{
2527	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2528		3421
2529	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3424	cf::cede_to_tick;
2532	}	3425	}
2533		3426
2534	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2535	}	3428	}
2536		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2537	1	3449	1
2538	}	3450	}
2539		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2540	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2541	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2543	}	3482	}
2544		3483
2545	sub reload_facedata {	3484	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3494	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2558	}	3497	}
2559		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2560	sub reload_resources {	3522	sub reload_resources {
2561	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2562		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2563	reload_regions;	3528	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3529	reload_treasures;
2567		3530
2568	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2569	}	3532	}
2570		3533
2571	sub init {	3534	sub reload_config {
2572	reload_resources;	3535	trace "reloading config file...\n";
2573	}
2574		3536
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3538	or return;
2578		3539
2579	local $/;	3540	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2581		3542
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3544
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3547
2587	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2589	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2591	};	3552	};
2592	warn $@ if $@;	3553	warn $@ if $@;
2593	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2594	}	3585	}
2595		3586
2596	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2597	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3600	(async {
2601	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2603	};	3604	};
2604		3605
2605	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2606	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2607	load_extensions;	3629	load_extensions;
2608		3630
2609	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2611	}	3644	}
2612		3645
2613	#############################################################################	3646	#############################################################################
2614	# initialisation and cleanup	3647	# initialisation and cleanup
2615		3648
2616	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2617	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2626	},
2627	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2628	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2629	}	3745	}
2630		3746
2631	sub emergency_save() {	3747	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2633		3749
2634	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2635		3751
2636	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2637	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3766	$pl->save;
2645	}	3767	}
2646	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2647		3769
2648	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3773	$map->valid or next;
2652	$map->save;	3774	$map->save;
2653	}	3775	}
2654	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2655		3777
2656	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2659	};	3785	};
2660		3786
2661	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2662	}	3793	}
2663		3794
2664	sub post_cleanup {	3795	sub post_cleanup {
2665	my ($make_core) = @_;	3796	my ($make_core) = @_;
2666		3797
2667	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2669	}	3828	}
2670		3829
2671	sub do_reload_perl() {	3830	sub do_reload_perl() {
2672	# can/must only be called in main	3831	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2674	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2675	return;	3834	return;
2676	}	3835	}
2677		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2678	warn "reloading...";	3842	info "reloading...";
2679		3843
2680	warn "entering sync_job";	3844	trace "entering sync_job";
2681		3845
2682	cf::sync_job {	3846	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3848	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2686		3850
2687	warn "syncing database to disk";	3851	trace "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3853
2690	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2691		3855
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3859	}
2728		3860
2729	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2731	}	3863	%EXT_CORO = ();
2732		3864
2733	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2734	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3874	trace "... unloading $pkg";
2738	delete $INC{$k};
2739		3875
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2744	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2745	}	3885	}
2746		3886
2747	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2748	}	3902	}
2749		3903
2750	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3907
2754	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3911
2758	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3913	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2761		3915
2762	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2763		3917
2764	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2765	require cf;	3919	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2767		3921
2768	warn "loading config and database again";	3922	trace "loading config and database again";
2769	cf::cfg_load;	3923	cf::reload_config;
2770		3924
2771	warn "loading extensions";	3925	trace "loading extensions";
2772	cf::load_extensions;	3926	cf::load_extensions;
2773		3927
		3928	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2780		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
2781	warn "leaving sync_job";	3940	trace "leaving sync_job";
2782		3941
2783	1	3942	1
2784	} or do {	3943	} or do {
2785	warn $@;	3944	error $@;
2786	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2787	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
2788	};	3950	}
2789		3951
2790	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
2791	};	3954	};
2792		3955
2793	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
2794		3957
2795	sub reload_perl() {	3958	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
2798		3961
2799	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3964
2802	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3966	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
2806	},	3968	};
2807	);	3969	};
2808	}	3970	}
2809		3971
2810	register_command "reload" => sub {	3972	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2812		3974
2813	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3979	reload_perl;
		3980	};
2816	}	3981	}
2817	};	3982	};
2818		3983
2819	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2820		3985
…		…
2822		3987
2823	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2825		3990
2826	sub wait_for_tick {	3991	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829		3993
2830	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3996	$signal->wait;
2833	}	3997	}
2834		3998
2835	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4001
2839	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4004	$signal->wait;
2842	}	4005	}
2843		4006
2844	my $min = 1e6;#d#	4007	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2856	return;	4011	return;
2857	}	4012	}
2858		4013
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2862		4015
2863	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		4017
2869	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	4020	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	4022	write_runtime_sync
2874		4023	or error "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4024	};
		4025	}
2885		4026
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4028	$sig->send;
2902	}	4029	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	4031	$sig->send;
2905	}	4032	}
2906		4033
2907	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4036
2918	_post_tick;	4037	if (0) {
2919		4038	if ($NEXT_TICK) {
2920		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
2921	},	4043	}
2922	);	4044	}
2923		4045
2924	{	4046	{
2925	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4048
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
2935		4050	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4052
2951	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4060
		4061	(Coro::async { # async to keep sync_job from complaining
2954	cf::sync_job {	4062	cf::sync_job {
2955	eval {	4063	eval {
2956	BDB::db_env_open	4064	BDB::db_env_open
2957	$DB_ENV,	4065	$DB_ENV,
2958	$BDBDIR,	4066	$BDBDIR,
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4069	0666;
2962		4070
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
2964		4073
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
2966	$DB_ENV->set_lk_detect;
2967	};	4075	};
		4076	})->join;
		4077	}
2968		4078
2969	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
2970	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2971	}	4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
2972	}	4088	}
2973		4089
2974	{	4090	{
		4091	# configure IO::AIO
		4092
2975	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4095	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4096	}
2988		4097
2989	my $_log_backtrace;	4098	my $_log_backtrace;
2990		4099
2991	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
2995		4104
2996	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
2999	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
3000	my @bt = fork_call {	4112	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
3012	}	4124	}
3013		4125
3014	@funcs	4126	@funcs
3015	};	4127	};
3016		4128
3017	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4132	--$_log_backtrace;
3020	};	4133	};
3021	} else {	4134	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	4137	}
3025	}	4138	}
3026		4139
3027	# load additional modules	4140	# load additional modules
3028	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
3029		4143
3030	END { cf::emergency_save }	4144	END { cf::emergency_save }
3031		4145
3032	1	4146	1
3033		4147

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