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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
		312
		313	#############################################################################
211		314
212	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
213		316
214	=over 4	317	=over 4
215		318
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	338	$d
236	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
237	}	340	}
238		341
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
242		343
243	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
244		345
245	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
246		347
247	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
248		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
249	=item cf::lock_wait $string	371	=item cf::lock_wait $string
250		372
251	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
252		374
253	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
254		376
255	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
258	returned.	380	returned.
259		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
260	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
262		387
263	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
264		389
265	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
266		391
267	=cut	392	=cut
268		393
269	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
270		395
271	sub lock_wait($) {	396	sub lock_wait($) {
272	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	398	}
280		399
281	sub lock_acquire($) {	400	sub lock_acquire($) {
282	my ($key) = @_;	401	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	402	}
294		403
295	sub lock_active($) {	404	sub lock_active($) {
296	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	406	}
300		407
301	sub freeze_mainloop {	408	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
303		410
304	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
306	};	478	}
307	$TICK_WATCHER->stop;	479	};
308	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
309	}	494	}
310		495
311	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
312		497
313	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		503
319	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
320		505
321	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
322		507
323	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
326		512
327	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
330	fast or be very important.	516	fast or be very important.
…		…
332	=cut	518	=cut
333		519
334	sub sync_job(&) {	520	sub sync_job(&) {
335	my ($job) = @_;	521	my ($job) = @_;
336		522
337	if ($Coro::current == $Coro::main) {	523	if (in_main) {
338	my $time = Event::time;	524	my $time = AE::time;
339		525
340	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
342		528
343	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	530
345	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
346		532
347	my $busy = 1;	533	my $busy = 1;
348	my @res;	534	my @res;
349		535
350	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	538	@res = eval { $job->() };
352	warn $@ if $@;	539	error $@ if $@;
353	undef $busy;	540	undef $busy;
354	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
355		542
356	while ($busy) {	543	while ($busy) {
357	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
358	}	548	}
		549	}
359		550
360	$time = Event::time - $time;	551	my $time = AE::time - $time;
361		552
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
366		554
367	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
368	} else {	556	} else {
369	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
370		558
…		…
390	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
391		579
392	$coro	580	$coro
393	}	581	}
394		582
395	sub write_runtime {	583	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		584
398	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
400		589
401	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
402		591
403	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
404		594
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
406	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
407		598
408	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
410	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
411		603
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
413	and return;	605	}
414		606
415	# always fsync - this file is important	607	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
431	}	772	}
432		773
433	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
434		775
435	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
436		777
437	=cut	778	=cut
438		779
439	sub datalog($@) {	780	sub datalog($@) {
440	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	783	}
443		784
444	=back	785	=back
445		786
446	=cut	787	=cut
447		788
448	#############################################################################	789	#############################################################################
449		790
450	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
451		792
452	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
455		796
456	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	799	Deliantra).
459		800
460	=over 4	801	=over 4
461		802
462	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
463		804
…		…
507	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
508		849
509	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
511		852
512	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
514		855
515	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
516		857
517	=over 4	858	=over 4
…		…
641		982
642	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		985
645	} elsif (ref $type) {	986	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
647		988
648	} else {	989	} else {
649	shift @arg;	990	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
651	}	992	}
652	}	993	}
653	}	994	}
654		995
655	sub _object_attach {	996	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
666	}	1007	}
667		1008
668	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
669	} else {	1010	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1012	}
672		1013
673	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
674	}	1015	}
675		1016
…		…
715	";	1056	";
716	die if $@;	1057	die if $@;
717	}	1058	}
718		1059
719	our $override;	1060	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1062
722	sub override {	1063	sub override {
723	$override = 1;	1064	$override = 1;
724	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
725	}	1066	}
726		1067
727	sub do_invoke {	1068	sub do_invoke {
728	my $event = shift;	1069	my $event = shift;
729	my $callbacks = shift;	1070	my $callbacks = shift;
730		1071
731	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
732		1073
733	local $override;	1074	local $override;
734		1075
735	for (@$callbacks) {	1076	for (@$callbacks) {
736	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
737		1078
738	if ($@) {	1079	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1081	override;
742	}	1082	}
743		1083
744	return 1 if $override;	1084	return 1 if $override;
745	}	1085	}
746		1086
747	0	1087	0
748	}	1088	}
749		1089
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1091
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1093
754	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
755		1095
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1099
760	=back	1100	=back
761		1101
762	=cut	1102	=cut
763		1103
764	#############################################################################	1104	#############################################################################
765	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
766		1148
767	sub reattach {	1149	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1151	my ($obj) = @_;
770		1152
		1153	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1155
773	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
774		1157
775	@$registry = ();	1158	@$registry = ();
776		1159
…		…
781	for (@$attach) {	1164	for (@$attach) {
782	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
784	}	1167	}
785	} else {	1168	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1170	}
788	}	1171	}
789	}	1172	}
790		1173
791	cf::attachable->attach (	1174	cf::attachable->attach (
792	prio => -1000000,	1175	prio => -1000000,
793	on_instantiate => sub {	1176	on_instantiate => sub {
794	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
795		1178
796	$data = from_json $data;	1179	$data = decode_json $data;
797		1180
798	for (@$data) {	1181	for (@$data) {
799	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
800		1183
801	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1200	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
819		1202
820	sync_job {	1203	sync_job {
821	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
824		1209
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
829	close $fh;	1217	aio_close $fh;
830		1218
831	if (@$objs) {	1219	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
837	close $fh;	1228	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
839	}	1230	}
840	} else {	1231	} else {
841	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
842	}	1233	}
843		1234
844	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1239	} else {
846	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
847	}	1241	}
848	} else {	1242	} else {
849	aio_unlink $filename;	1243	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
851	}	1245	}
852	}	1246	};
853	}	1247	}
854		1248
855	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
857		1251
…		…
869	or return;	1263	or return;
870		1264
871	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
873	or return;	1267	or return;
		1268
874	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
875	}	1271	}
876		1272
		1273	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
879	return ($data, $av);	1278	($data, $av)
880	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
881		1286
882	#############################################################################	1287	#############################################################################
883	# command handling &c	1288	# command handling &c
884		1289
885	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1304	}
900		1305
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1307
903	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
904		1313
905	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
906	called.	1315	called.
907		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
908	=cut	1328	=cut
909		1329
910	sub register_extcmd {	1330	sub register_extcmd {
911	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
912		1332
913	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
914	}	1334	}
915		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
916	cf::player->attach (	1344	cf::player->attach (
917	on_command => sub {	1345	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
919		1347
920	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
921	or return;	1349	or return;
922		1350
…		…
927	cf::override;	1355	cf::override;
928	},	1356	},
929	on_extcmd => sub {	1357	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
931		1359
932	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1361
934	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
940	} else {	1377	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1379	}
943		1380
944	cf::override;	1381	cf::override;
945	},	1382	},
946	);	1383	);
947		1384
		1385	# "readahead" all extensions
948	sub load_extension {	1386	sub cache_extensions {
949	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
950		1388
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1392	}
976	die $@;
977	}	1393	};
978		1394
979	push @EXTS, $pkg;	1395	$grp
980	}	1396	}
981		1397
982	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
983	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1405	next unless -r $path;
985	eval {	1406
986	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
987	1	1471	}
988	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
989	}	1482	};
990	}	1483	}
991		1484
992	#############################################################################	1485	#############################################################################
993		1486
		1487	=back
		1488
994	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
995		1490
996	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
997		1492
998	=cut	1493	=cut
999		1494
1000	package cf::player;	1495	package cf::player;
1001		1496
1002	use Coro::AIO;	1497	use Coro::AIO;
1003		1498
1004	=head3 cf::player	1499	=head3 cf::player
1005		1500
1006	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1007		1516
1008	=item cf::player::find $login	1517	=item cf::player::find $login
1009		1518
1010	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1011		1520
…		…
1030		1539
1031	sub exists($) {	1540	sub exists($) {
1032	my ($login) = @_;	1541	my ($login) = @_;
1033		1542
1034	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1036	}	1545	}
1037		1546
1038	sub find($) {	1547	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1549	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1560
1052	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1055	}	1570	}
1056	}	1571	}
1057	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1058		1586
1059	sub save($) {	1587	sub save($) {
1060	my ($pl) = @_;	1588	my ($pl) = @_;
1061		1589
1062	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1068		1596
1069	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1071		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1072	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1073	Coro::cede;	1606	cf::cede_to_tick;
1074	}	1607	}
1075		1608
1076	sub new($) {	1609	sub new($) {
1077	my ($login) = @_;	1610	my ($login) = @_;
1078		1611
…		…
1084	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1085		1618
1086	$self	1619	$self
1087	}	1620	}
1088		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1089	=item $pl->quit_character	1632	=item $pl->quit_character
1090		1633
1091	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1093		1636
…		…
1097	my ($pl) = @_;	1640	my ($pl) = @_;
1098		1641
1099	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1100		1643
1101	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1646
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1108		1652
1109	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1690	or return [];
1147		1691
1148	my @logins;	1692	my @logins;
1149		1693
1150	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1154		1704
1155	utf8::decode $login;	1705	utf8::decode $login;
1156	push @logins, $login;	1706	push @logins, $login;
1157	}	1707	}
1158		1708
1159	\@logins	1709	\@logins
1160	}	1710	}
1161		1711
1162	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1163		1715
1164	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1165	player. May block.	1717	player. May block.
1166		1718
1167	=cut	1719	=cut
…		…
1185	}	1737	}
1186		1738
1187	\@paths	1739	\@paths
1188	}	1740	}
1189		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1190	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1191		1747
1192	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1193		1749
1194	=cut	1750	=cut
1195		1751
1196	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1198		1754
1199	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1756	}
1203		1757
1204	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1205		1759
1206	Sends an ext event to the client.	1760	Sends an ext event to the client.
1207		1761
1208	=cut	1762	=cut
1209		1763
1210	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1212		1766
1213	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1214	}	1768	}
1215		1769
1216	=head3 cf::region	1770	=head3 cf::region
1217		1771
1218	=over 4	1772	=over 4
…		…
1221		1775
1222	package cf::region;	1776	package cf::region;
1223		1777
1224	=item cf::region::find_by_path $path	1778	=item cf::region::find_by_path $path
1225		1779
1226	Tries to decuce the probable region for a map knowing only its path.	1780	Tries to decuce the likely region for a map knowing only its path.
1227		1781
1228	=cut	1782	=cut
1229		1783
1230	sub find_by_path($) {	1784	sub find_by_path($) {
1231	my ($path) = @_;	1785	my ($path) = @_;
1232		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1233	my ($match, $specificity);	1789	my ($match, $specificity);
1234		1790
1235	for my $region (list) {	1791	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1239	}	1795	}
1240	}	1796	}
1241		1797
…		…
1262	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1264		1820
1265	sub generate_random_map {	1821	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1267	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1827	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1290		1849
1291	sub register {	1850	sub register {
1292	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1852	my $pkg = caller;
1294		1853
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1855
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1857	}
1300		1858
1301	# also paths starting with '/'	1859	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1861
1304	sub thawer_merge {	1862	sub thawer_merge {
1305	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1306		1864
1307	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1361	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1362	return $self;	1920	return $self;
1363	}	1921	}
1364	}	1922	}
1365		1923
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1925	()
1368	}	1926	}
1369		1927
1370	sub init {	1928	sub init {
1371	my ($self) = @_;	1929	my ($self) = @_;
…		…
1393		1951
1394	# the temporary/swap location	1952	# the temporary/swap location
1395	sub save_path {	1953	sub save_path {
1396	my ($self) = @_;	1954	my ($self) = @_;
1397		1955
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1400	}	1958	}
1401		1959
1402	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1403	sub uniq_path {	1961	sub uniq_path {
1404	my ($self) = @_;	1962	my ($self) = @_;
1405		1963
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1966	}
1418		1967
1419	sub decay_objects {	1968	sub decay_objects {
1420	my ($self) = @_;	1969	my ($self) = @_;
1421		1970
…		…
1434		1983
1435	sub load_header_from($) {	1984	sub load_header_from($) {
1436	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1437		1986
1438	utf8::encode $path;	1987	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1444		1996
1445	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1446		1998
1447	1	1999	1
1448	}	2000	}
…		…
1502	sub find {	2054	sub find {
1503	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1504		2056
1505	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1506		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2061
1509	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1512	or return;	2064	or return;
1513		2065
1514	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1515		2067
…		…
1517	or return;	2069	or return;
1518		2070
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1522	$map->reset;	2076	$map->reset;
1523	undef $guard;
1524	return find $path;	2077	return find $path;
1525	}	2078	}
1526		2079
1527	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1528	}	2081	}
1529	}	2082	}
1530		2083
1531	sub pre_load { }	2084	sub pre_load { }
1532	sub post_load { }	2085	#sub post_load { } # XS
1533		2086
1534	sub load {	2087	sub load {
1535	my ($self) = @_;	2088	my ($self) = @_;
1536		2089
1537	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1538		2091
1539	my $path = $self->{path};	2092	my $path = $self->{path};
1540		2093
1541	{	2094	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1543		2096
		2097	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2099
1546	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1547		2101
1548	$self->alloc;	2102	$self->alloc;
1549		2103
1550	$self->pre_load;	2104	$self->pre_load;
1551	Coro::cede;	2105	cf::cede_to_tick;
1552		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1554	or return;	2110	or return;
1555		2111
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1557	if delete $self->{load_original};	2113	if delete $self->{load_original};
1558		2114
1559	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2116	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2119	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1564	}	2123	}
1565	}	2124	}
1566		2125
1567	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1568	# now do the right thing for maps	2129	# now do the right thing for maps
1569	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2132	unless $self->difficulty;
1572	Coro::cede;	2133	cf::cede_to_tick;
1573		2134
1574	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2136	$self->decay_objects;
1576	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1577	$self->update_buttons;	2138	$self->update_buttons;
1578	Coro::cede;	2139	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2140	$self->activate;
1582	}	2141	}
1583		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2147	}
1586		2148
1587	$self->post_load;	2149	$self->post_load;
1588	}	2150	}
1589		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2155	sub customise_for {
1591	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1592		2157
1593	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2159	if $self->per_player;
…		…
1598		2163
1599	$self	2164	$self
1600	}	2165	}
1601		2166
1602	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2168	sub load_neighbours {
1604	my ($map) = @_;	2169	my ($map) = @_;
1605		2170
1606	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1607		2172
1608	for (0 .. 3) {	2173	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1610	or next;	2175	or next;
1611	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1612	or next;	2177	or next;
1613	$neigh->load;	2178	$neigh->load;
1614		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2184	}
1618		2185
1619	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1621	or next;	2189	or next;
1622	$neigh->load;	2190	$neigh->load;
1623	}	2191	}
1624	}	2192	}
1625		2193
1626	sub find_sync {	2194	sub find_sync {
1627	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1628		2196
1629	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1630	}	2201	}
1631		2202
1632	sub do_load_sync {	2203	sub do_load_sync {
1633	my ($map) = @_;	2204	my ($map) = @_;
1634		2205
1635	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1636	}	2210	}
1637		2211
1638	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1640		2214
1641	sub find_async {	2215	sub find_async {
1642	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1643		2217
1644	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1645		2219
1646	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2222	}
1649		2223
1650	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1651	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1652	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2231	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2232	$map->load if $v;
		2233	}
1657		2234
1658	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1659	}	2236	}
1660	}	2237	}
1661	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1662	};	2239	};
1663	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1664		2241
1665	()	2242	()
1666	}	2243	}
1667		2244
		2245	# common code, used by both ->save and ->swapout
1668	sub save {	2246	sub _save {
1669	my ($self) = @_;	2247	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2248
1673	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1674		2250
1675	return unless $self->dirty;	2251	return unless $self->dirty;
1676		2252
…		…
1682	return if $self->{deny_save};	2258	return if $self->{deny_save};
1683		2259
1684	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1685		2261
1686	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1688	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1689		2268
1690	if ($uniq) {	2269	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2272	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2274	}
1696	}	2275	}
1697		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1698	sub swap_out {	2285	sub swap_out {
1699	my ($self) = @_;	2286	my ($self) = @_;
1700		2287
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1706	return if $self->players;	2292	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1710	$self->clear;	2303	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2304	}
1713		2305
1714	sub reset_at {	2306	sub reset_at {
1715	my ($self) = @_;	2307	my ($self) = @_;
1716		2308
…		…
1734		2326
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2328
1737	return if $self->players;	2329	return if $self->players;
1738		2330
1739	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1740		2332
1741	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1742		2334
1743	# need to save uniques path	2335	# need to save uniques path
1744	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2340	if $uniq;
1749	}	2341	}
1750		2342
1751	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1752		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2347	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2348
1757	$self->unlink_save;	2349	$self->unlink_save;
1758	$self->destroy;	2350	$self->destroy;
1759	}	2351	}
1760		2352
1761	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1762		2354
1763	sub nuke {	2355	sub nuke {
1764	my ($self) = @_;	2356	my ($self) = @_;
1765		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1766	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1767		2362
1768	$self->unlink_save;	2363	$self->unlink_save;
1769		2364
1770	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2370
1776	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1777		2373
1778	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1779	}	2411	}
1780		2412
1781	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1782		2414
1783	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2416	instantiated unique items. May block.
1785		2417
1786	=cut	2418	=cut
1787		2419
1788	sub unique_maps() {	2420	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2421	[
1790	or return;	2422	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2423	utf8::decode $_;
1796	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2426	? ()
1799	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2429	]
1801
1802	\@paths
1803	}	2430	}
1804		2431
1805	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1806		2463
1807	=back	2464	=back
1808		2465
1809	=head3 cf::object	2466	=head3 cf::object
1810		2467
…		…
1814		2471
1815	=over 4	2472	=over 4
1816		2473
1817	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1818		2475
1819	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1820		2478
1821	=cut	2479	=cut
1822		2480
1823	sub inv_recursive_;	2481	sub inv_recursive_;
1824	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1827		2485
1828	sub inv_recursive {	2486	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1830	}	2488	}
1831		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1832	package cf;	2518	package cf;
1833		2519
1834	=back	2520	=back
1835		2521
1836	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1845		2531
1846	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1847		2547
1848	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2549	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1853		2553
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2555
1856	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1858	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1861	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1862	}	2581	}
1863		2582
1864	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1865		2584
1866	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1879		2598
1880	=item $player_object->enter_link	2599	=item $player_object->enter_link
1881		2600
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2602
1884	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1886		2607
1887	Will never block.	2608	Will never block.
1888		2609
1889	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1890		2611
…		…
1910	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1911	my ($self) = @_;	2632	my ($self) = @_;
1912		2633
1913	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1914		2635
		2636	++$self->{_link_recursion};
		2637
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2639
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
1919		2642
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2644	}
1922		2645
1923	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
1925		2648
…		…
1942	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1944		2667
1945	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1948		2671
1949	$map->load;	2672	$map->load;
1950	$map->load_diag;	2673	$map->load_neighbours;
1951		2674
1952	return unless $self->contr->active;	2675	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2676
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1957	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
1958		2684
		2685	}
		2686
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1960		2688
1961	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
1965		2697
1966	=cut	2698	=cut
1967		2699
1968	our $GOTOGEN;	2700	our $GOTOGEN;
1969		2701
1970	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
1972		2710
1973	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2713
1976	$self->enter_link;	2714	$self->enter_link;
1977		2715
1978	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1979	my $map = eval {	2738	my $map = eval {
1980	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
1981		2740
1982	if ($map) {	2741	if ($map) {
1983	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1985	} else {	2744	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2746	}
1988		2747
1989	$map	2748	$map
1990	};	2749	};
1991		2750
…		…
1996		2755
1997	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2000	}	2759	}
		2760
		2761	$done->($self) if $done;
2001	})->prio (1);	2762	})->prio (1);
2002	}	2763	}
2003		2764
2004	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2005		2766
…		…
2025	}	2786	}
2026		2787
2027	sub prepare_random_map {	2788	sub prepare_random_map {
2028	my ($exit) = @_;	2789	my ($exit) = @_;
2029		2790
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2793	# that depends on the exit object
2035		2794
2036	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2797	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2043	}	2804	}
2044		2805
2045	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2046		2807
2047	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2050		2811
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2814	undef $fh;
2054	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2055		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2058	}	2823	}
2059	}	2824	}
2060		2825
2061	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2063		2828
2064	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2065		2830
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2831	$self->enter_link;
2078		2832
2079	(async {	2833	(async {
2080	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2081	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2082	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2083		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2084	1;	2857	1
2085	}) {	2858	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2863
2091	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2092	$self->leave_link;	2865	$self->leave_link;
2093	}	2866	}
2094	})->prio (1);	2867	})->prio (1);
2095	}	2868	}
2096		2869
…		…
2110		2883
2111	utf8::encode $text;	2884	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2886	}
2114		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2115	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2116		3076
2117	Sends an exti event to the client.	3077	Sends an ext event to the client.
2118		3078
2119	=cut	3079	=cut
2120		3080
2121	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2123		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2126	}	3108	}
2127		3109
2128	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2129		3111
2130	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3115
2134	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3117	become reliable at some point in the future.
2136		3118
2137	=cut	3119	=cut
2138		3120
2139	sub cf::client::query {	3121	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3130	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3132
2151	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2153	}	3137	}
2154		3138
2155	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2156	on_reply => sub {	3145	on_reply => sub {
2157	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2158		3147
2159	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2160	# get handled first	3149	# get handled first
…		…
2172	} else {	3161	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3163	}
2175	}	3164	}
2176	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2177	);	3192	);
2178		3193
2179	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2180		3195
2181	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3212
2198	$coro	3213	$coro
2199	}	3214	}
2200		3215
2201	cf::client->attach (	3216	cf::client->attach (
2202	on_destroy => sub {	3217	on_client_destroy => sub {
2203	my ($ns) = @_;	3218	my ($ns) = @_;
2204		3219
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3221	},
2207	);	3222	);
…		…
2222	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2224		3239
2225	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2226		3241
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2228		3247
2229	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2230		3249
2231	=pod	3250	=pod
2232		3251
2233	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2234		3253
2235	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2236	cf::object::player player	3259	cf::object::player
2237	cf::player peaceful	3260	player
2238	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2239		3267
2240	=cut	3268	=cut
2241		3269
2242	for (	3270	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2247	) {	3277	) {
2248	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2251	for @funs;	3280	for @funs;
2252	}	3281	}
2253		3282
…		…
2268		3297
2269	my $qcode = $code;	3298	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2272		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2273	local $_;	3305	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3306
2276	my $eval =	3307	my $eval =
2277	"do {\n"	3308	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3311	. $code
2281	. "\n}"	3312	. "\n}"
2282	;	3313	;
2283		3314
		3315	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2287		3324
2288	if ($@) {	3325	if ($@) {
2289	warn "$@";	3326	warn "$@",
2290	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2291	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2292	}	3329	}
2293		3330
2294	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2295	}	3332	}
2296		3333
…		…
2310	=cut	3347	=cut
2311		3348
2312	sub register_script_function {	3349	sub register_script_function {
2313	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2314		3351
2315	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2317	}	3354	}
2318		3355
2319	=back	3356	=back
2320		3357
2321	=cut	3358	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3359
2495	#############################################################################	3360	#############################################################################
2496	# the server's init and main functions	3361	# the server's init and main functions
2497		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2498	sub load_facedata($) {	3406	sub load_facedata($) {
2499	my ($path) = @_;	3407	my ($path) = @_;
2500		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2501	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2502		3416
2503	my $facedata;	3417	my $facedata;
2504	0 < aio_load $path, $facedata	3418	0 < aio_load $path, $facedata
2505	or die "$path: $!";	3419	or die "$path: $!";
2506		3420
2507	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2508		3422
2509	$facedata->{version} == 2	3423	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2512	{	3435	{
2513	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2514		3437
2515	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3441	cf::face::set_visibility $idx, $info->{visibility};
		3442	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3445
		3446	cf::cede_to_tick;
2521	}	3447	}
2522		3448
2523	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2525	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2526	or next;	3453	or next;
		3454
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
		3456	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3458	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3460	}
2532	Coro::cede;	3461
		3462	cf::cede_to_tick;
2533	}	3463	}
2534	}	3464	}
2535		3465
2536	{	3466	{
2537	my $anims = $facedata->{animinfo};	3467	my $anims = $facedata->{animinfo};
2538		3468
2539	while (my ($anim, $info) = each %$anims) {	3469	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3471	cf::cede_to_tick;
2542	}	3472	}
2543		3473
2544	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2545	}	3475	}
2546		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2547	1	3496	1
2548	}	3497	}
2549		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2550	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2551	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
2553	}	3529	}
2554		3530
2555	sub reload_facedata {	3531	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3532	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3533	or die "unable to load facedata\n";
…		…
2565	sub reload_treasures {	3541	sub reload_treasures {
2566	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2567	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2568	}	3544	}
2569		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2570	sub reload_resources {	3569	sub reload_resources {
2571	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2572		3571
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2573	reload_regions;	3575	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3576	reload_treasures;
2578		3577
2579	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2580	}	3579	}
2581		3580
2582	sub init {	3581	sub reload_config {
2583	reload_resources;	3582	trace "reloading config file...\n";
2584	}
2585		3583
2586	sub cfg_load {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3585	or return;
2589		3586
2590	local $/;	3587	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2592		3589
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2594		3591
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597		3594
2598	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2600	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2601	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2602	};	3599	};
2603	warn $@ if $@;	3600	warn $@ if $@;
2604	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2605	}	3632	}
2606		3633
2607	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2608	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3647	(async {
2612	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2614	};	3651	};
2615		3652
2616	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2617	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2618	load_extensions;	3678	load_extensions;
2619		3679
2620	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2622	}	3698	}
2623		3699
2624	#############################################################################	3700	#############################################################################
2625	# initialisation and cleanup	3701	# initialisation and cleanup
2626		3702
2627	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2628	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2637	},
2638	);	3709	};
		3710	}
		3711	}
		3712
		3713	sub write_runtime_sync {
		3714	my $t0 = AE::time;
		3715
		3716	# first touch the runtime file to show we are still running:
		3717	# the fsync below can take a very very long time.
		3718
		3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3720
		3721	my $guard = cf::lock_acquire "write_runtime";
		3722
		3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3724	or return;
		3725
		3726	my $value = $cf::RUNTIME + 90 + 10;
		3727	# 10 is the runtime save interval, for a monotonic clock
		3728	# 60 allows for the watchdog to kill the server.
		3729
		3730	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3731	and return;
		3732
		3733	# always fsync - this file is important
		3734	aio_fsync $fh
		3735	and return;
		3736
		3737	# touch it again to show we are up-to-date
		3738	aio_utime $fh, undef, undef;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3744	and return;
		3745
		3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3747
2639	}	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2640	}	3799	}
2641		3800
2642	sub emergency_save() {	3801	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2644		3803
2645	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2646		3810
2647	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2648	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3822	$pl->save;
2656	}	3823	}
2657	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2658		3825
2659	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3831	$map->valid or next;
2663	$map->save;	3832	$map->save;
2664	}	3833	}
2665	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2666		3835
2667	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2670	};	3864	};
2671		3865
2672	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2673	}	3867	}
2674		3868
2675	sub post_cleanup {	3869	sub post_cleanup {
2676	my ($make_core) = @_;	3870	my ($make_core) = @_;
2677		3871
		3872	IO::AIO::flush;
		3873
2678	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3875	if $make_core;
		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
2680	}	3904	}
2681		3905
2682	sub do_reload_perl() {	3906	sub do_reload_perl() {
2683	# can/must only be called in main	3907	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2685	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2686	return;	3910	return;
2687	}	3911	}
2688		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
2689	warn "reloading...";	3918	info "reloading...";
2690		3919
2691	warn "entering sync_job";	3920	trace "entering sync_job";
2692		3921
2693	cf::sync_job {	3922	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark
2695	cf::emergency_save;	3923	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark
2697		3924
2698	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;
2700
2701	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();	3927	%EXT_CORO = ();
2722		3928
2723	warn "removing commands";	3929	trace "removing commands";
2724	%COMMAND = ();	3930	%COMMAND = ();
2725		3931
2726	warn "removing ext commands";	3932	trace "removing ext/exti commands";
2727	%EXTCMD = ();	3933	%EXTCMD = ();
		3934	%EXTICMD = ();
2728		3935
2729	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
2732		3939
2733	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
2734	eval {	3941	eval {
2735	$cb->($pkg);	3942	$cb->($pkg);
2736	1	3943	1
2737	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
2738	}	3949	}
2739		3950
2740	warn "... nuking $pkg";
2741	Symbol::delete_package $pkg;
2742	}
2743
2744	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
2745	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3954
2748	warn "... unloading $k";	3955	trace "... unloading $k";
2749	delete $INC{$k};	3956	delete $INC{$k};
2750		3957
2751	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
2753		3960
2754	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
2755	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
2756	}	3966	}
2757		3967
2758	Symbol::delete_package $k;
2759	}
2760
2761	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3971
2765	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		3975
2769	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3977	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
2772		3979
2773	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
2774		3981
2775	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
2776	require cf;	3983	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
2778		3985
2779	warn "loading config and database again";	3986	trace "loading config and database again";
2780	cf::cfg_load;	3987	cf::reload_config;
2781		3988
2782	warn "loading extensions";	3989	trace "loading extensions";
2783	cf::load_extensions;	3990	cf::load_extensions;
2784		3991
		3992	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
2791		4000
		4001	trace "running post_init jobs";
		4002	(pop @POST_INIT)->(1) while @POST_INIT;
		4003
2792	warn "leaving sync_job";	4004	trace "leaving sync_job";
2793		4005
2794	1	4006	1
2795	} or do {	4007	} or do {
2796	warn $@;	4008	error $@;
2797	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
2798	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
2799	};	4014	}
2800		4015
2801	warn "reloaded";	4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
2802	};	4018	};
2803		4019
2804	our $RELOAD_WATCHER; # used only during reload	4020	our $RELOAD_WATCHER; # used only during reload
2805		4021
2806	sub reload_perl() {	4022	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	4023	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	4024	# coro crashes during coro_state_free->destroy here.
2809		4025
2810	$RELOAD_WATCHER ||= Event->timer (	4026	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	4027	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	4028
2813	data => WF_AUTOCANCEL,	4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	4030	do_reload_perl;
2816	undef $RELOAD_WATCHER;	4031	undef $RELOAD_WATCHER;
2817	},	4032	};
2818	);	4033	};
2819	}	4034	}
2820		4035
2821	register_command "reload" => sub {	4036	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
2823		4038
2824	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
		4041	async {
		4042	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	4043	reload_perl;
		4044	};
2827	}	4045	}
2828	};	4046	};
2829		4047
2830	unshift @INC, $LIBDIR;	4048	#############################################################################
2831		4049
2832	my $bug_warning = 0;	4050	my $bug_warning = 0;
2833		4051
2834	our @WAIT_FOR_TICK;	4052	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	4053	our @WAIT_FOR_TICK_BEGIN;
2836		4054
2837	sub wait_for_tick {	4055	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2840		4057
2841	my $signal = new Coro::Signal;	4058	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	4059	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	4060	$signal->wait;
2844	}	4061	}
2845		4062
2846	sub wait_for_tick_begin {	4063	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2849		4065
2850	my $signal = new Coro::Signal;	4066	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	4067	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	4068	$signal->wait;
2853	}	4069	}
2854		4070
2855	my $min = 1e6;#d#	4071	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
2867	return;	4075	return;
2868	}	4076	}
2869		4077
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
2873		4079
2874	0 && sync_job {#d#	4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2875	for(1..10) {
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		4081
2880	$map->width (50);	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	4084	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	4085	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	4086	write_runtime_sync
2885		4087	or error "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	4088	};
		4089	}
2896		4090
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4092	$sig->send;
2913	}	4093	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4094	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	4095	$sig->send;
2916	}	4096	}
2917		4097
2918	$NOW = Event::time;	4098	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4100
2929	_post_tick;	4101	if (0) {
2930		4102	if ($NEXT_TICK) {
2931		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
2932	},	4107	}
2933	);	4108	}
2934		4109
2935	{	4110	{
2936	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4112
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
2946		4114	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4116
2962	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4124
2965	cf::sync_job {	4125	cf::sync_job {
2966	eval {	4126	eval {
2967	BDB::db_env_open	4127	BDB::db_env_open
2968	$DB_ENV,	4128	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4132	0666;
2973		4133
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4135	};
2979		4136
2980	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4138	};
2982	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
2983	}	4150	}
2984		4151
2985	{	4152	{
		4153	# configure IO::AIO
		4154
2986	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4158	}
2999		4159
3000	my $_log_backtrace;	4160	my $_log_backtrace;
3001		4161
3002	sub _log_backtrace {	4162	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	4165	$msg =~ s/\n//;
3006		4166
3007	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4168	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
3010	async {	4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
3011	my @bt = fork_call {	4174	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4175	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4178	or die "addr2line: $!";
…		…
3023	}	4186	}
3024		4187
3025	@funcs	4188	@funcs
3026	};	4189	};
3027		4190
3028	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4193	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4194	--$_log_backtrace;
3031	};	4195	};
3032	} else {	4196	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4197	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4198	LOG llevInfo, "[ABT] [suppressed]\n";
3035	}	4199	}
3036	}	4200	}
3037		4201
3038	# load additional modules	4202	# load additional modules
3039	use cf::pod;	4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
3040		4205
3041	END { cf::emergency_save }	4206	END { cf::emergency_save }
3042		4207
3043	1	4208	1
3044		4209

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