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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
87		139
88	sub cf::map::normalise;	140	sub cf::map::normalise;
89		141
…		…
100	=item $cf::RUNTIME	152	=item $cf::RUNTIME
101		153
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	155	every server tick.
104		156
105	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		160
107	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
109		165
110	=item $cf::NOW	166	=item $cf::NOW
111		167
112	The time of the last (current) server tick.	168	The time of the last (current) server tick.
113		169
114	=item $cf::TICK	170	=item $cf::TICK
115		171
116	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
117		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
118	=item %cf::CFG	184	=item %cf::CFG
119		185
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	187	from wherever your confdir points to.
122		188
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		190
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
129		200
130	=back	201	=back
131		202
132	=cut	203	=cut
133		204
134	BEGIN {	205	BEGIN {
135	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	207	my $msg = join "", @_;
137	utf8::encode $msg;
138		208
139	$msg .= "\n"	209	$msg .= "\n"
140	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
141		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
142	LOG llevError, $msg;	214	LOG llevError, $msg;
143	};	215	};
144	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
145		232
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		240
153	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	242	# within the Safe compartment.
155	for my $pkg (qw(	243	for my $pkg (qw(
156	cf::global cf::attachable	244	cf::global cf::attachable
157	cf::object cf::object::player	245	cf::object cf::object::player
158	cf::client cf::player	246	cf::client cf::player
159	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
160	cf::map cf::party cf::region	249	cf::party cf::region
161	)) {	250	)) {
162	no strict 'refs';	251	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	253	}
165		254
166	$Event::DIED = sub {	255	$EV::DIED = sub {
167	warn "error in event callback: @_";	256	warn "error in event callback: @_";
168	};	257	};
		258
		259	#############################################################################
169		260
170	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
171		262
172	=over 4	263	=over 4
173		264
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	284	$d
194	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
195	}	286	}
196		287
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
200		289
201	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
202		291
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
211		293
212	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
213		295
214	=cut	296	=cut
215		297
216	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
218	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
220		302
221	=item cf::lock_wait $string	303	=item cf::lock_wait $string
222		304
223	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
224		306
…		…
227	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
230	returned.	312	returned.
231		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
232	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
234		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
235	=cut	324	=cut
236		325
237	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
238		328
239	sub lock_wait($) {	329	sub lock_wait($) {
240	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
241		336
242	# wait for lock, if any	337	# wait for lock, if any
243	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	340	Coro::schedule;
…		…
251		346
252	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
253	lock_wait $key;	348	lock_wait $key;
254		349
255	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
256		352
257	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
260	}	357	}
261	}	358	}
262		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
263	sub freeze_mainloop {	366	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
265		368
266	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	370	}
268	$WRITE_RUNTIME_WATCHER->start;	371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
269	};	430	}
270	$WRITE_RUNTIME_WATCHER->stop;	431	};
271	$TICK_WATCHER->stop;	432
272	$guard	433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
273	}	445	}
274		446
275	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
276		448
277	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		454
283	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
284		456
285	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
286		458
287	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
290		463
291	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
294	fast or be very important.	467	fast or be very important.
…		…
297		470
298	sub sync_job(&) {	471	sub sync_job(&) {
299	my ($job) = @_;	472	my ($job) = @_;
300		473
301	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
302	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
304		479
305	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	481
307	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
308		483
309	my $busy = 1;	484	my $busy = 1;
310	my @res;	485	my @res;
311		486
312	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	489	@res = eval { $job->() };
314	warn $@ if $@;	490	warn $@ if $@;
315	undef $busy;	491	undef $busy;
316	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
317		493
318	while ($busy) {	494	while ($busy) {
319	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
320	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
321		505
322	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
323	} else {	507	} else {
324	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
325		509
…		…
345	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
346		530
347	$coro	531	$coro
348	}	532	}
349		533
350	sub write_runtime {	534	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		535
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	536	Executes the given code block with the given arguments in a seperate
354	or return;	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
355		540
356	my $value = $cf::RUNTIME + 90 + 10;	541	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		542
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	543	sub fork_call(&@) {
361	and return;	544	my ($cb, @args) = @_;
362		545
363	aio_fsync $fh	546	# we seemingly have to make a local copy of the whole thing,
364	and return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
365		549
366	close $fh	550	my @res = Coro::Util::fork_eval {
367	or return;	551	reset_signals;
		552	&$cb
		553	}, @args;
368		554
369	aio_rename "$runtime~", $runtime	555	wantarray ? @res : $res[-1]
370	and return;	556	}
371		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
372	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
		710	}
		711
		712	=item cf::datalog type => key => value, ...
		713
		714	Log a datalog packet of the given type with the given key-value pairs.
		715
		716	=cut
		717
		718	sub datalog($@) {
		719	my ($type, %kv) = @_;
		720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	721	}
374		722
375	=back	723	=back
376		724
377	=cut	725	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
386		734
387	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	737	Deliantra).
390		738
391	=over 4	739	=over 4
392		740
393	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
394		742
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
558		906
559	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		911
564	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	913	my $pkg = shift @arg;
566		914
567	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
597	}	945	}
598		946
599	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
600	} else {	948	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	950	}
603		951
604	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
605	}	953	}
606		954
…		…
608	if (ref $_[0]) {	956	if (ref $_[0]) {
609	_object_attach @_;	957	_object_attach @_;
610	} else {	958	} else {
611	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
612	}	960	}
		961	_recalc_want;
613	};	962	};
614		963
615	# all those should be optimised	964	# all those should be optimised
616	sub cf::attachable::detach {	965	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
621	reattach ($obj);	970	reattach ($obj);
622	} else {	971	} else {
623	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
624	}	973	}
		974	_recalc_want;
625	};	975	};
626		976
627	sub cf::attachable::attached {	977	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
629		979
…		…
644	";	994	";
645	die if $@;	995	die if $@;
646	}	996	}
647		997
648	our $override;	998	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1000
651	sub override {	1001	sub override {
652	$override = 1;	1002	$override = 1;
653	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
654	}	1004	}
655		1005
656	sub do_invoke {	1006	sub do_invoke {
657	my $event = shift;	1007	my $event = shift;
658	my $callbacks = shift;	1008	my $callbacks = shift;
659		1009
660	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
661		1011
662	local $override;	1012	local $override;
663		1013
664	for (@$callbacks) {	1014	for (@$callbacks) {
665	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
674	}	1024	}
675		1025
676	0	1026	0
677	}	1027	}
678		1028
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1030
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1032
683	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
684		1034
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1036	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1038
689	=back	1039	=back
690		1040
691	=cut	1041	=cut
692		1042
693	#############################################################################	1043	#############################################################################
694	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
695		1087
696	sub reattach {	1088	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1090	my ($obj) = @_;
699		1091
…		…
720	cf::attachable->attach (	1112	cf::attachable->attach (
721	prio => -1000000,	1113	prio => -1000000,
722	on_instantiate => sub {	1114	on_instantiate => sub {
723	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
724		1116
725	$data = from_json $data;	1117	$data = decode_json $data;
726		1118
727	for (@$data) {	1119	for (@$data) {
728	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
729		1121
730	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1138	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
748		1140
749	sync_job {	1141	sync_job {
750	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
753		1146
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1150	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1151	aio_close $fh;
759		1152
760	if (@$objs) {	1153	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1159	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
768	}	1161	}
769	} else {	1162	} else {
770	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
771	}	1164	}
…		…
776	}	1169	}
777	} else {	1170	} else {
778	aio_unlink $filename;	1171	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
780	}	1173	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1174	};
788	}	1175	}
789		1176
790	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
792		1179
…		…
797		1184
798	sub object_thawer_load {	1185	sub object_thawer_load {
799	my ($filename) = @_;	1186	my ($filename) = @_;
800		1187
801	my ($data, $av);	1188	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1189
806	(aio_load $filename, $data) >= 0	1190	(aio_load $filename, $data) >= 0
807	or return;	1191	or return;
808		1192
809	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
811	or return;	1195	or return;
		1196
812	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
813	}	1199	}
814		1200
		1201	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
817	return ($data, $av);	1205	($data, $av)
818	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
819		1213
820	#############################################################################	1214	#############################################################################
821	# command handling &c	1215	# command handling &c
822		1216
823	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1231	}
838		1232
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1234
841	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
842		1240
843	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
844	called.	1242	called.
845		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
846	=cut	1255	=cut
847		1256
848	sub register_extcmd {	1257	sub register_extcmd {
849	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
850		1259
851	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
852	}	1267	}
853		1268
854	cf::player->attach (	1269	cf::player->attach (
855	on_command => sub {	1270	on_command => sub {
856	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1280	cf::override;
866	},	1281	},
867	on_extcmd => sub {	1282	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
869		1284
870	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1286
872	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
878	} else {	1302	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1304	}
881		1305
882	cf::override;	1306	cf::override;
883	},	1307	},
884	);	1308	);
885		1309
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
921	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1315	next unless -r $path;
923	eval {	1316
924	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
925	1	1373	}
926	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
927	}	1379	};
928	}	1380	}
929		1381
930	#############################################################################	1382	#############################################################################
931		1383
		1384	=back
		1385
932	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
933		1387
934	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
935		1389
936	=cut	1390	=cut
…		…
941		1395
942	=head3 cf::player	1396	=head3 cf::player
943		1397
944	=over 4	1398	=over 4
945		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
		1413
946	=item cf::player::find $login	1414	=item cf::player::find $login
947		1415
948	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
949		1417
950	=cut	1418	=cut
951		1419
952	sub playerdir($) {	1420	sub playerdir($) {
953	cf::localdir	1421	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1423	}
959		1424
960	sub path($) {	1425	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1427
963	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
964	}	1429	}
965		1430
966	sub find_active($) {	1431	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1446	my $login = $_[0];
982		1447
983	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
984		1449
985	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1451	# rename old playerfiles to new ones
		1452	#TODO: remove when no longer required
		1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1456	aio_unlink +(playerdir $login) . "/$login.pl";
		1457
		1458	my $f = new_from_file cf::object::thawer path $login
987	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
989	}	1467	}
990	}	1468	}
991	}	1469	}
992		1470
…		…
1001	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1002		1480
1003	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1005		1483
		1484	cf::get_slot 0.01;
		1485
1006	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1007	Coro::cede;	1487	cf::cede_to_tick;
1008	}	1488	}
1009		1489
1010	sub new($) {	1490	sub new($) {
1011	my ($login) = @_;	1491	my ($login) = @_;
1012		1492
…		…
1018	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1019		1499
1020	$self	1500	$self
1021	}	1501	}
1022		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1023	=item $pl->quit_character	1513	=item $pl->quit_character
1024		1514
1025	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1027		1517
1028	=cut	1518	=cut
1029		1519
1030	sub quit_character {	1520	sub quit_character {
1031	my ($pl) = @_;	1521	my ($pl) = @_;
1032		1522
		1523	my $name = $pl->ob->name;
		1524
1033	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1527
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1040		1534
1041	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1539	$pl->destroy;
		1540
		1541	my $prefix = qr<^~\Q$name\E/>;
		1542
		1543	# nuke player maps
		1544	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1545
1046	IO::AIO::aio_rmtree $temp;	1546	IO::AIO::aio_rmtree $temp;
		1547	}
		1548
		1549	=item $pl->kick
		1550
		1551	Kicks a player out of the game. This destroys the connection.
		1552
		1553	=cut
		1554
		1555	sub kick {
		1556	my ($pl, $kicker) = @_;
		1557
		1558	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1559	$pl->killer ("kicked");
		1560	$pl->ns->destroy;
1047	}	1561	}
1048		1562
1049	=item cf::player::list_logins	1563	=item cf::player::list_logins
1050		1564
1051	Returns am arrayref of all valid playernames in the system, can take a	1565	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1053		1567
1054	=cut	1568	=cut
1055		1569
1056	sub list_logins {	1570	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1572	or return [];
1059		1573
1060	my @logins;	1574	my @logins;
1061		1575
1062	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1066		1586
1067	utf8::decode $login;	1587	utf8::decode $login;
1068	push @logins, $login;	1588	push @logins, $login;
1069	}	1589	}
1070		1590
…		…
1097	}	1617	}
1098		1618
1099	\@paths	1619	\@paths
1100	}	1620	}
1101		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1103		1716
1104	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1105		1718
1106	=cut	1719	=cut
1107		1720
1108	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1110		1723
1111	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1725	}
1115		1726
1116	package cf;	1727	=item $player->ext_msg ($type, @msg)
		1728
		1729	Sends an ext event to the client.
		1730
		1731	=cut
		1732
		1733	sub ext_msg($$@) {
		1734	my ($self, $type, @msg) = @_;
		1735
		1736	$self->ns->ext_msg ($type, @msg);
		1737	}
		1738
		1739	=head3 cf::region
		1740
		1741	=over 4
		1742
		1743	=cut
		1744
		1745	package cf::region;
		1746
		1747	=item cf::region::find_by_path $path
		1748
		1749	Tries to decuce the likely region for a map knowing only its path.
		1750
		1751	=cut
		1752
		1753	sub find_by_path($) {
		1754	my ($path) = @_;
		1755
		1756	my ($match, $specificity);
		1757
		1758	for my $region (list) {
		1759	if ($region->{match} && $path =~ $region->{match}) {
		1760	($match, $specificity) = ($region, $region->specificity)
		1761	if $region->specificity > $specificity;
		1762	}
		1763	}
		1764
		1765	$match
		1766	}
1117		1767
1118	=back	1768	=back
1119
1120		1769
1121	=head3 cf::map	1770	=head3 cf::map
1122		1771
1123	=over 4	1772	=over 4
1124		1773
…		…
1136	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1138		1787
1139	sub generate_random_map {	1788	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1141	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1794	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1180		1832
1181	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1182	local $self->{path};	1834	local $self->{path};
1183	local $self->{load_path};	1835	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1836
1187	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1188	}	1838	}
1189		1839
1190	sub normalise {	1840	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1238	return $self;	1888	return $self;
1239	}	1889	}
1240	}	1890	}
1241		1891
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1893	()
1244	}	1894	}
1245		1895
1246	sub init {	1896	sub init {
1247	my ($self) = @_;	1897	my ($self) = @_;
…		…
1262		1912
1263	# the original (read-only) location	1913	# the original (read-only) location
1264	sub load_path {	1914	sub load_path {
1265	my ($self) = @_;	1915	my ($self) = @_;
1266		1916
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1268	}	1918	}
1269		1919
1270	# the temporary/swap location	1920	# the temporary/swap location
1271	sub save_path {	1921	sub save_path {
1272	my ($self) = @_;	1922	my ($self) = @_;
1273		1923
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1276	}	1926	}
1277		1927
1278	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1279	sub uniq_path {	1929	sub uniq_path {
1280	my ($self) = @_;	1930	my ($self) = @_;
1281		1931
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1284	}	1934	}
1285		1935
1286	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1287	# all maps in C++...	1937	# all maps in C++...
1288	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1290		1940
1291	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1293	}	1943	}
1294		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1295	sub unlink_save {	1953	sub unlink_save {
1296	my ($self) = @_;	1954	my ($self) = @_;
1297		1955
1298	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1959	}
1307		1960
1308	sub load_header_from($) {	1961	sub load_header_from($) {
1309	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1310		1963
1311	utf8::encode $path;	1964	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1966	or return;
		1967
		1968	$self->_load_header ($f)
		1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1317		1973
1318	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1319		1975
1320	1	1976	1
1321	}	1977	}
…		…
1360	$self->load_header_orig	2016	$self->load_header_orig
1361	or return;	2017	or return;
1362	$self->prepare_orig;	2018	$self->prepare_orig;
1363	}	2019	}
1364		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
		2024	$self->default_region (cf::region::find_by_path $self->{path})
		2025	unless $self->default_region;
		2026
1365	1	2027	1
1366	}	2028	}
1367		2029
1368	sub find;	2030	sub find;
1369	sub find {	2031	sub find {
1370	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1371		2033
1372	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1373		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1375		2038
1376	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1378	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1379	or return;	2044	or return;
1380		2045
1381	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1382		2047
1383	$map->load_header	2048	$map->load_header
1384	or return;	2049	or return;
1385		2050
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1389	$map->reset;	2056	$map->reset;
1390	undef $guard;
1391	return find $path;	2057	return find $path;
1392	}	2058	}
1393		2059
1394	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1395	}	2061	}
…		…
1402	my ($self) = @_;	2068	my ($self) = @_;
1403		2069
1404	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1405		2071
1406	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1408		2076
		2077	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2079
1411	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1412		2081
1413	$self->alloc;	2082	$self->alloc;
1414		2083
1415	$self->pre_load;	2084	$self->pre_load;
		2085	cf::cede_to_tick;
1416		2086
1417	$self->_load_objects ($self->{load_path}, 1)	2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
		2089	$self->_load_objects ($f)
1418	or return;	2090	or return;
1419		2091
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1421	if delete $self->{load_original};	2093	if delete $self->{load_original};
1422		2094
1423	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2096	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2099	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1428	}	2103	}
1429	}	2104	}
1430		2105
1431	Coro::cede;	2106	$f->resolve_delayed_derefs;
1432		2107
		2108	cf::cede_to_tick;
1433	# now do the right thing for maps	2109	# now do the right thing for maps
1434	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2112	unless $self->difficulty;
1444	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($self->{deny_activate}) {
		2116	$self->decay_objects;
		2117	$self->fix_auto_apply;
		2118	$self->update_buttons;
		2119	cf::cede_to_tick;
		2120	$self->set_darkness_map;
		2121	cf::cede_to_tick;
1445	$self->activate;	2122	$self->activate;
		2123	}
		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
		2128	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2129	}
1447		2130
1448	$self->post_load;	2131	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2132	}
1452		2133
1453	sub customise_for {	2134	sub customise_for {
1454	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1455		2136
1456	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2138	if $self->per_player;
1458		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1459	$self	2143	$self
1460	}	2144	}
1461		2145
1462	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2147	sub load_neighbours {
1464	my ($map) = @_;	2148	my ($map) = @_;
1465		2149
1466	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1467		2151
1468	for (0 .. 3) {	2152	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1470	or next;	2154	or next;
1471	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1472	or next;	2156	or next;
1473	$neigh->load;	2157	$neigh->load;
1474		2158
		2159	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2162	}
1478		2163
1479	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1481	or next;	2167	or next;
1482	$neigh->load;	2168	$neigh->load;
1483	}	2169	}
1484	}	2170	}
1485		2171
…		…
1490	}	2176	}
1491		2177
1492	sub do_load_sync {	2178	sub do_load_sync {
1493	my ($map) = @_;	2179	my ($map) = @_;
1494		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1495	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1496	}	2185	}
1497		2186
1498	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1500		2189
1501	sub find_async {	2190	sub find_async {
1502	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1503		2192
1504	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1505		2194
1506	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2197	}
1509		2198
1510	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1511	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1512	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2206	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2207	$map->load if $v;
		2208	}
1517		2209
1518	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1519	}	2211	}
1520	}	2212	}
1521	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1522	};	2214	};
1523	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2218	}
1527		2219
1528	sub save {	2220	sub save {
1529	my ($self) = @_;	2221	my ($self) = @_;
1530		2222
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2224
1533	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1534		2226
1535	return unless $self->dirty;	2227	return unless $self->dirty;
1536		2228
…		…
1542	return if $self->{deny_save};	2234	return if $self->{deny_save};
1543		2235
1544	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1545		2237
1546	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1548	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1549		2244
1550	if ($uniq) {	2245	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2248	} else {
…		…
1559	my ($self) = @_;	2254	my ($self) = @_;
1560		2255
1561	# save first because save cedes	2256	# save first because save cedes
1562	$self->save;	2257	$self->save;
1563		2258
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2260
1566	return if $self->players;	2261	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2263	return if $self->{deny_save};
1569		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2269	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2270	}
1573		2271
1574	sub reset_at {	2272	sub reset_at {
1575	my ($self) = @_;	2273	my ($self) = @_;
1576		2274
1577	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1580		2277
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2280
…		…
1594	my ($self) = @_;	2291	my ($self) = @_;
1595		2292
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2294
1598	return if $self->players;	2295	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2296
1601	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
		2298
		2299	$self->in_memory (cf::MAP_SWAPPED);
		2300
		2301	# need to save uniques path
		2302	unless ($self->{deny_save}) {
		2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2304
		2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2306	if $uniq;
		2307	}
1602		2308
1603	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1604		2310
1605	$self->in_memory (cf::MAP_SWAPPED);	2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2313	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2314
1610	$self->unlink_save;	2315	$self->unlink_save;
1611	$self->destroy;	2316	$self->destroy;
1612	}	2317	}
1613		2318
1614	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1615		2320
1616	sub nuke {	2321	sub nuke {
1617	my ($self) = @_;	2322	my ($self) = @_;
1618		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1619	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1620		2328
1621	$self->unlink_save;	2329	$self->unlink_save;
1622		2330
1623	bless $self, "cf::map";	2331	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2336
1629	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1630		2339
1631	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1632	}	2377	}
1633		2378
1634	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1635		2380
1636	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2382	instantiated unique items. May block.
1638		2383
1639	=cut	2384	=cut
1640		2385
1641	sub unique_maps() {	2386	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1643	or return;	2388	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2389	utf8::decode $_;
1649	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2392	? ()
1652	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2395	]
1654
1655	\@paths
1656	}	2396	}
1657
1658	package cf;
1659		2397
1660	=back	2398	=back
1661		2399
1662	=head3 cf::object	2400	=head3 cf::object
1663		2401
…		…
1667		2405
1668	=over 4	2406	=over 4
1669		2407
1670	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1671		2409
1672	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1673		2412
1674	=cut	2413	=cut
1675		2414
1676	sub inv_recursive_;	2415	sub inv_recursive_;
1677	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1680		2419
1681	sub inv_recursive {	2420	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1683	}	2422	}
1684		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1685	package cf;	2452	package cf;
1686		2453
1687	=back	2454	=back
1688		2455
1689	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1698		2465
1699	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1700		2481
1701	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2483	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1706		2487
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2489
1709	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1711	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1714	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1715	}	2515	}
1716		2516
1717	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1718		2518
1719	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1767		2567
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2569
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1772		2572
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2574	}
1775		2575
1776	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1778		2580
1779	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1780		2582
1781	unless ($map) {	2583	unless ($map) {
1782	# restore original map position	2584	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1799		2601
1800	$map->load;	2602	$map->load;
1801	$map->load_diag;	2603	$map->load_neighbours;
1802		2604
1803	return unless $self->contr->active;	2605	return unless $self->contr->active;
1804	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1806	}	2610	}
1807		2611
1808	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2613
1812	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1816	};	2618	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2619
1822	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1823	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2622
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1843		2626
1844	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2632
1847	$self->enter_link;	2633	$self->enter_link;
1848		2634
1849	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1850	my $map = eval {	2657	my $map = eval {
1851	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1853	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2673	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1858	})->prio (1);	2681	})->prio (1);
1859	}	2682	}
1860		2683
1861	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1862		2685
…		…
1882	}	2705	}
1883		2706
1884	sub prepare_random_map {	2707	sub prepare_random_map {
1885	my ($exit) = @_;	2708	my ($exit) = @_;
1886		2709
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2712	# that depends on the exit object
1892		2713
1893	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2716	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1900	}	2723	}
1901		2724
1902	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1903		2726
1904	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1907		2730
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2733	undef $fh;
1911	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1912		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1915	}	2742	}
1916	}	2743	}
1917		2744
1918	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1920		2747
1921	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1922		2749
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2750	$self->enter_link;
1933		2751
1934	(async {	2752	(async {
1935	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1936	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
1937	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
1938		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1939	1;	2776	1
1940	}) {	2777	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2782
1946	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2784	$self->leave_link;
1948	}	2785	}
1949	})->prio (1);	2786	})->prio (1);
…		…
1962		2799
1963	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1965		2802
1966	utf8::encode $text;	2803	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2805	}
1969		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
		2937	=item $client->ext_msg ($type, @msg)
		2938
		2939	Sends an ext event to the client.
		2940
		2941	=cut
		2942
		2943	sub cf::client::ext_msg($$@) {
		2944	my ($self, $type, @msg) = @_;
		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
		2949	push @msg, msgtype => "event_$type";
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
1970		2971
1971	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1972		2973
1973	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2977
1977	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2979	become reliable at some point in the future.
1979		2980
1980	=cut	2981	=cut
1981		2982
1982	sub cf::client::query {	2983	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2992	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2994
1994	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
1996	}	2999	}
1997		3000
1998	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
1999	on_reply => sub {	3007	on_reply => sub {
2000	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2001		3009
2002	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2003	# get handled first	3011	# get handled first
…		…
2015	} else {	3023	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3025	}
2018	}	3026	}
2019	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
2020	);	3054	);
2021		3055
2022	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2023		3057
2024	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2067		3101
2068	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2069		3103
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2071		3109
2072	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2073		3111
2074	=pod	3112	=pod
2075		3113
2076	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2077		3115
2078	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2079	cf::object::player player	3120	cf::object::player
2080	cf::player peaceful	3121	player
2081	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2082		3128
2083	=cut	3129	=cut
2084		3130
2085	for (	3131	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2087	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2089	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2090	) {	3138	) {
2091	no strict 'refs';	3139	no strict 'refs';
…		…
2162	=back	3210	=back
2163		3211
2164	=cut	3212	=cut
2165		3213
2166	#############################################################################	3214	#############################################################################
		3215	# the server's init and main functions
2167		3216
2168	=head2 EXTENSION DATABASE SUPPORT	3217	sub load_facedata($) {
		3218	my ($path) = @_;
2169		3219
2170	Crossfire maintains a very simple database for extension use. It can	3220	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3221	# for this (global event?)
2172	excludes objects.	3222	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3223
2174	The parameter C<$family> should best start with the name of the extension	3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3225
2177	=over 4	3226	warn "loading facedata from $path\n";
2178		3227
2179	=item $hashref = cf::db_get $family	3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
2180		3231
2181	Return a hashref for use by the extension C<$family>, which can be	3232	$facedata = Coro::Storable::thaw $facedata;
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184		3233
2185	=item $value = cf::db_get $family => $key	3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2186		3236
2187	Returns a single value from the database	3237	# patch in the exptable
2188		3238	$facedata->{resource}{"res/exp_table"} = {
2189	=item cf::db_put $family => $hashref	3239	type => FT_RSRC,
2190		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3241	};
		3242	cf::cede_to_tick;
2217		3243
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3244	{
		3245	my $faces = $facedata->{faceinfo};
2229		3246
2230	my $dirty;	3247	while (my ($face, $info) = each %$faces) {
		3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3249
2232	sub db_sync() {	3250	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3251	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2235	}	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		3254
2237	my $idle = Event->idle (	3255	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3256	}
2271	);
2272	}
2273		3257
2274	#############################################################################	3258	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3259	next unless $info->{smooth};
2276		3260
2277	sub cfg_load {	3261	my $idx = cf::face::find $face
		3262	or next;
		3263
		3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
		3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3267	} else {
		3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3269	}
		3270
		3271	cf::cede_to_tick;
		3272	}
		3273	}
		3274
		3275	{
		3276	my $anims = $facedata->{animinfo};
		3277
		3278	while (my ($anim, $info) = each %$anims) {
		3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3280	cf::cede_to_tick;
		3281	}
		3282
		3283	cf::anim::invalidate_all; # d'oh
		3284	}
		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
		3321	1
		3322	}
		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
		3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
		3367	load_resource_file "$MAPDIR/regions"
		3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
		3374	}
		3375
		3376	sub reload_facedata {
		3377	load_facedata "$DATADIR/facedata"
		3378	or die "unable to load facedata\n";
		3379	}
		3380
		3381	sub reload_archetypes {
		3382	load_resource_file "$DATADIR/archetypes"
		3383	or die "unable to load archetypes\n";
		3384	}
		3385
		3386	sub reload_treasures {
		3387	load_resource_file "$DATADIR/treasures"
		3388	or die "unable to load treasurelists\n";
		3389	}
		3390
		3391	sub reload_resources {
		3392	warn "reloading resource files...\n";
		3393
		3394	reload_facedata;
		3395	reload_archetypes;
		3396	reload_regions;
		3397	reload_treasures;
		3398
		3399	warn "finished reloading resource files\n";
		3400	}
		3401
		3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
		3407	reload_resources;
		3408	}
		3409
		3410	sub reload_config {
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3412	or return;
2280		3413
2281	local $/;	3414	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2283		3416
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2285		3418
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2298	sub main {	3431	sub main {
2299	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3435	(async {
2303	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2305	};	3439	};
2306		3440
2307	cfg_load;	3441	{
2308	db_load;	3442	my $guard = freeze_mainloop;
		3443	reload_config;
		3444	db_init;
2309	load_extensions;	3445	load_extensions;
2310		3446
2311	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2312	Event::loop;	3450	EV::loop;
2313	}	3451	}
2314		3452
2315	#############################################################################	3453	#############################################################################
2316	# initialisation and cleanup	3454	# initialisation and cleanup
2317		3455
2318	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2319	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2328	},
2329	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2330	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2331	}	3545	}
2332		3546
2333	sub emergency_save() {	3547	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2335		3549
…		…
2341	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2343	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3561	$pl->save;
2347	}	3562	}
2348	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2349		3564
2350	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2352	my $map = $cf::MAP{$path} or next;	3567	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3568	$map->valid or next;
2354	$map->save;	3569	$map->save;
2355	}	3570	}
2356	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
		3572
		3573	warn "begin emergency database checkpoint\n";
		3574	BDB::db_env_txn_checkpoint $DB_ENV;
		3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2357	};	3580	};
2358		3581
2359	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2360	}	3583	}
2361		3584
		3585	sub post_cleanup {
		3586	my ($make_core) = @_;
		3587
		3588	warn Carp::longmess "post_cleanup backtrace"
		3589	if $make_core;
		3590	}
		3591
2362	sub reload() {	3592	sub do_reload_perl() {
2363	# can/must only be called in main	3593	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3595	warn "can only reload from main coroutine";
2366	return;	3596	return;
2367	}	3597	}
2368		3598
2369	warn "reloading...";	3599	warn "reloading...";
2370		3600
2371	warn "cancelling server ticker";	3601	warn "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2374	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2375		3607
2376	eval {	3608	warn "syncing database to disk";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610
2377	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386		3612
2387	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2388	for (;;) {	3614	for (;;) {
		3615	BDB::flush;
2389	IO::AIO::flush;	3616	IO::AIO::flush;
2390	Coro::cede;	3617	Coro::cede_notself;
2391	last unless IO::AIO::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2392	warn "iterate...";	3619	warn "iterate...";
2393	}	3620	}
		3621
		3622	++$RELOAD;
2394		3623
2395	warn "cancelling all extension coros";	3624	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3626	%EXT_CORO = ();
2398		3627
2399	warn "removing commands";	3628	warn "removing commands";
2400	%COMMAND = ();	3629	%COMMAND = ();
2401		3630
2402	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2403	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2404		3634
2405	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2408		3638
…		…
2438	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3670
2441	warn "unloading cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2443		3674
2444	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3676	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2447		3678
…		…
2450	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2451	require cf;	3682	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2453		3684
2454	warn "loading config and database again";	3685	warn "loading config and database again";
2455	cf::cfg_load;	3686	cf::reload_config;
2456	cf::db_load;
2457		3687
2458	warn "loading extensions";	3688	warn "loading extensions";
2459	cf::load_extensions;	3689	cf::load_extensions;
2460		3690
2461	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2462	_global_reattach;	3692	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3693	warn "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3694	reattach $_ for values %MAP;
		3695	warn "reattaching attachments to players";
		3696	reattach $_ for values %PLAYER;
2465		3697
2466	warn "restarting server ticker";	3698	warn "leaving sync_job";
2467		3699
2468	$TICK_WATCHER->start;	3700	1
		3701	} or do {
		3702	warn $@;
		3703	cf::cleanup "error while reloading, exiting.";
2469	};	3704	};
2470
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476		3705
2477	warn "reloaded";	3706	warn "reloaded";
2478	};	3707	};
2479		3708
2480	our $RELOAD_WATCHER; # used only during reload	3709	our $RELOAD_WATCHER; # used only during reload
2481		3710
		3711	sub reload_perl() {
		3712	# doing reload synchronously and two reloads happen back-to-back,
		3713	# coro crashes during coro_state_free->destroy here.
		3714
		3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3716	do_reload_perl;
		3717	undef $RELOAD_WATCHER;
		3718	};
		3719	}
		3720
2482	register_command "reload" => sub {	3721	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2484		3723
2485	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
2487		3726	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3727	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3728	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3729	};
2500	}	3730	}
2501	};	3731	};
2502		3732
2503	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2504		3734
2505	my $bug_warning = 0;	3735	my $bug_warning = 0;
2506		3736
2507	$TICK_WATCHER = Event->timer (	3737	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3738	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3739
2510	prio => 0,	3740	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3742
2513	cb => sub {	3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub wait_for_tick_begin {
		3749	return if tick_inhibit || $Coro::current == $Coro::main;
		3750
		3751	my $signal = new Coro::Signal;
		3752	push @WAIT_FOR_TICK_BEGIN, $signal;
		3753	$signal->wait;
		3754	}
		3755
		3756	sub tick {
2514	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2517	return;	3760	return;
2518	}	3761	}
2519		3762
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3764
2526	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2528		3767	Coro::async_pool {
2529	Event::sweep;	3768	$Coro::current->{desc} = "runtime saver";
2530	Coro::cede_notself;
2531
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},
2541	);
2542
2543	IO::AIO::max_poll_time $TICK * 0.1;
2544
2545	undef $Coro::AIO::WATCHER;
2546	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554
2555	$WRITE_RUNTIME_WATCHER = Event->timer (
2556	reentrant => 0,
2557	data => WF_AUTOCANCEL,
2558	after => 1,
2559	interval => 10,
2560	prio => 6, # keep it lowest so it acts like a watchdog
2561	cb => Coro::unblock_sub {
2562	write_runtime	3769	write_runtime_sync
2563	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
		3771	};
2564	},	3772	}
2565	);	3773
		3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3775	$sig->send;
		3776	}
		3777	while (my $sig = shift @WAIT_FOR_TICK) {
		3778	$sig->send;
		3779	}
		3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
		3790	}
		3791	}
		3792
		3793	{
		3794	# configure BDB
		3795
		3796	BDB::min_parallel 8;
		3797	BDB::max_poll_reqs $TICK * 0.1;
		3798	$AnyEvent::BDB::WATCHER->priority (1);
		3799
		3800	unless ($DB_ENV) {
		3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3807
		3808	cf::sync_job {
		3809	eval {
		3810	BDB::db_env_open
		3811	$DB_ENV,
		3812	$BDBDIR,
		3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3815	0666;
		3816
		3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3818	};
		3819
		3820	cf::cleanup "db_env_open(db): $@" if $@;
		3821	};
		3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
		3833	}
		3834
		3835	{
		3836	# configure IO::AIO
		3837
		3838	IO::AIO::min_parallel 8;
		3839	IO::AIO::max_poll_time $TICK * 0.1;
		3840	undef $AnyEvent::AIO::WATCHER;
		3841	}
		3842
		3843	my $_log_backtrace;
		3844
		3845	sub _log_backtrace {
		3846	my ($msg, @addr) = @_;
		3847
		3848	$msg =~ s/\n//;
		3849
		3850	# limit the # of concurrent backtraces
		3851	if ($_log_backtrace < 2) {
		3852	++$_log_backtrace;
		3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
		3856	my @bt = fork_call {
		3857	@addr = map { sprintf "%x", $_ } @addr;
		3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3860	or die "addr2line: $!";
		3861
		3862	my @funcs;
		3863	my @res = <$fh>;
		3864	chomp for @res;
		3865	while (@res) {
		3866	my ($func, $line) = splice @res, 0, 2, ();
		3867	push @funcs, "[$func] $line";
		3868	}
		3869
		3870	@funcs
		3871	};
		3872
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] $_\n" for @bt;
		3875	--$_log_backtrace;
		3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
		3880	}
		3881	}
		3882
		3883	# load additional modules
		3884	use cf::pod;
2566		3885
2567	END { cf::emergency_save }	3886	END { cf::emergency_save }
2568		3887
2569	1	3888	1
2570		3889

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