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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 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 ();
20	use BDB ();	50	use BDB ();
21	use Data::Dumper;	51	use Data::Dumper;
22	use Digest::MD5;	52	use Digest::MD5;
23	use Fcntl;	53	use Fcntl;
		54	use YAML ();
24	use IO::AIO 2.32 ();	55	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	56	use Time::HiRes;
27	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
28		59
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		67
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		69
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		71
40	our %COMMAND = ();	72	our %COMMAND = ();
41	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
42		74
43	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
47		80
		81	our $RELOAD; # number of reloads so far
48	our @EVENT;	82	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		83
51	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	85	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
54	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
55	our $NEXT_TICK;	99	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	105	our $DB_ENV;
61		106
62	our %CFG;	107	our %CFG;
63		108
64	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
66		112
67	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		116
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		124
79	binmode STDOUT;	125	binmode STDOUT;
80	binmode STDERR;	126	binmode STDERR;
81		127
82	# read virtual server time, if available	128	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
87	}	133	}
88		134
89	mkdir cf::localdir;	135	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		137
96	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
97		139
98	sub cf::map::normalise;	140	sub cf::map::normalise;
99		141
…		…
110	=item $cf::RUNTIME	152	=item $cf::RUNTIME
111		153
112	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
113	every server tick.	155	every server tick.
114		156
115	=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
116		160
117	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		165
120	=item $cf::NOW	166	=item $cf::NOW
121		167
122	The time of the last (current) server tick.	168	The time of the last (current) server tick.
123		169
124	=item $cf::TICK	170	=item $cf::TICK
125		171
126	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	184	=item %cf::CFG
129		185
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	187	from wherever your confdir points to.
132		188
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		190
135	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
136	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
137	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.
138	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.
139		200
140	=back	201	=back
141		202
142	=cut	203	=cut
143		204
144	BEGIN {	205	BEGIN {
145	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	207	my $msg = join "", @_;
147	utf8::encode $msg;
148		208
149	$msg .= "\n"	209	$msg .= "\n"
150	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
151		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
152	LOG llevError, $msg;	214	LOG llevError, $msg;
153	};	215	};
154	}	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#?
155		232
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		240
163	# 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
164	# within the Safe compartment.	242	# within the Safe compartment.
165	for my $pkg (qw(	243	for my $pkg (qw(
166	cf::global cf::attachable	244	cf::global cf::attachable
167	cf::object cf::object::player	245	cf::object cf::object::player
168	cf::client cf::player	246	cf::client cf::player
169	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
170	cf::map cf::party cf::region	249	cf::party cf::region
171	)) {	250	)) {
172	no strict 'refs';	251	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	253	}
175		254
176	$Event::DIED = sub {	255	$EV::DIED = sub {
177	warn "error in event callback: @_";	256	warn "error in event callback: @_";
178	};	257	};
		258
		259	#############################################################################
179		260
180	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
181		262
182	=over 4	263	=over 4
183		264
…		…
202	$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;
203	$d	284	$d
204	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
205	}	286	}
206		287
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
210		289
211	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
212		291
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
221		293
222	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
223		295
224	=cut	296	=cut
225		297
226	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
228	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
230		302
231	=item cf::lock_wait $string	303	=item cf::lock_wait $string
232		304
233	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
234		306
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
240	returned.	312	returned.
241		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
242	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
243	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
244		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
245	=cut	324	=cut
246		325
247	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
248		328
249	sub lock_wait($) {	329	sub lock_wait($) {
250	my ($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#
251		336
252	# wait for lock, if any	337	# wait for lock, if any
253	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	340	Coro::schedule;
…		…
261		346
262	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
263	lock_wait $key;	348	lock_wait $key;
264		349
265	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
266		352
267	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
270	}	357	}
271	}	358	}
272		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
273	sub freeze_mainloop {	366	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
275		368
276	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	370	}
278	$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($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
279	};	430	}
280	$WRITE_RUNTIME_WATCHER->stop;	431	};
281	$TICK_WATCHER->stop;	432
282	$guard	433	sub get_slot($;$$) {
		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	$sig->wait;
283	}	445	}
284		446
285	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
286		448
287	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		454
293	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
294		456
295	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
296		458
297	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
300		463
301	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
304	fast or be very important.	467	fast or be very important.
…		…
307		470
308	sub sync_job(&) {	471	sub sync_job(&) {
309	my ($job) = @_;	472	my ($job) = @_;
310		473
311	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
312	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
314		479
315	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	481
317	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
318		483
319	my $busy = 1;	484	my $busy = 1;
320	my @res;	485	my @res;
321		486
322	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	489	@res = eval { $job->() };
324	warn $@ if $@;	490	warn $@ if $@;
325	undef $busy;	491	undef $busy;
326	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
327		493
328	while ($busy) {	494	while ($busy) {
329	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
330	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
331		505
332	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
333	} else {	507	} else {
334	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
335		509
…		…
355	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
356		530
357	$coro	531	$coro
358	}	532	}
359		533
360	sub write_runtime {	534	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		535
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	536	Executes the given code block with the given arguments in a seperate
364	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.
365		540
366	my $value = $cf::RUNTIME + 90 + 10;	541	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		542
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	543	sub fork_call(&@) {
371	and return;	544	my ($cb, @args) = @_;
372		545
373	# always fsync - this file is important	546	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	547	# otherwise perl prematurely frees the stuff :/
375	and return;	548	# TODO: investigate and fix (likely this will be rather laborious)
376		549
377	close $fh	550	my @res = Coro::Util::fork_eval {
378	or return;	551	reset_signals;
		552	&$cb
		553	}, @args;
379		554
380	aio_rename "$runtime~", $runtime	555	wantarray ? @res : $res[-1]
381	and return;	556	}
382		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($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
383	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		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 });
384	}	721	}
385		722
386	=back	723	=back
387		724
388	=cut	725	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
397		734
398	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>
399	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
400	crossfire+).	737	Deliantra).
401		738
402	=over 4	739	=over 4
403		740
404	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
405		742
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
569		906
570	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		911
575	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	913	my $pkg = shift @arg;
577		914
578	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
608	}	945	}
609		946
610	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
611	} else {	948	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	950	}
614		951
615	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
616	}	953	}
617		954
…		…
619	if (ref $_[0]) {	956	if (ref $_[0]) {
620	_object_attach @_;	957	_object_attach @_;
621	} else {	958	} else {
622	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
623	}	960	}
		961	_recalc_want;
624	};	962	};
625		963
626	# all those should be optimised	964	# all those should be optimised
627	sub cf::attachable::detach {	965	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
632	reattach ($obj);	970	reattach ($obj);
633	} else {	971	} else {
634	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
635	}	973	}
		974	_recalc_want;
636	};	975	};
637		976
638	sub cf::attachable::attached {	977	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
640		979
…		…
655	";	994	";
656	die if $@;	995	die if $@;
657	}	996	}
658		997
659	our $override;	998	our $override;
660	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?
661		1000
662	sub override {	1001	sub override {
663	$override = 1;	1002	$override = 1;
664	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
665	}	1004	}
666		1005
667	sub do_invoke {	1006	sub do_invoke {
668	my $event = shift;	1007	my $event = shift;
669	my $callbacks = shift;	1008	my $callbacks = shift;
670		1009
671	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
672		1011
673	local $override;	1012	local $override;
674		1013
675	for (@$callbacks) {	1014	for (@$callbacks) {
676	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
685	}	1024	}
686		1025
687	0	1026	0
688	}	1027	}
689		1028
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1030
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1032
694	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
695		1034
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1038
700	=back	1039	=back
701		1040
702	=cut	1041	=cut
703		1042
704	#############################################################################	1043	#############################################################################
705	# 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, $ob2
		1086	}
706		1087
707	sub reattach {	1088	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1090	my ($obj) = @_;
710		1091
…		…
731	cf::attachable->attach (	1112	cf::attachable->attach (
732	prio => -1000000,	1113	prio => -1000000,
733	on_instantiate => sub {	1114	on_instantiate => sub {
734	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
735		1116
736	$data = from_json $data;	1117	$data = decode_json $data;
737		1118
738	for (@$data) {	1119	for (@$data) {
739	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
740		1121
741	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1138	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
759		1140
760	sync_job {	1141	sync_job {
761	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
764		1146
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1151	aio_close $fh;
770		1152
771	if (@$objs) {	1153	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1159	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
779	}	1161	}
780	} else {	1162	} else {
781	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
782	}	1164	}
…		…
787	}	1169	}
788	} else {	1170	} else {
789	aio_unlink $filename;	1171	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
791	}	1173	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1174	};
799	}	1175	}
800		1176
801	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
803		1179
…		…
808		1184
809	sub object_thawer_load {	1185	sub object_thawer_load {
810	my ($filename) = @_;	1186	my ($filename) = @_;
811		1187
812	my ($data, $av);	1188	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1189
817	(aio_load $filename, $data) >= 0	1190	(aio_load $filename, $data) >= 0
818	or return;	1191	or return;
819		1192
820	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
822	or return;	1195	or return;
		1196
823	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
824	}	1199	}
825		1200
		1201	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
828	return ($data, $av);	1205	($data, $av)
829	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
830		1213
831	#############################################################################	1214	#############################################################################
832	# command handling &c	1215	# command handling &c
833		1216
834	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1231	}
849		1232
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1234
852	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.
853		1240
854	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
855	called.	1242	called.
856		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
857	=cut	1255	=cut
858		1256
859	sub register_extcmd {	1257	sub register_extcmd {
860	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
861		1259
862	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
863	}	1267	}
864		1268
865	cf::player->attach (	1269	cf::player->attach (
866	on_command => sub {	1270	on_command => sub {
867	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1280	cf::override;
877	},	1281	},
878	on_extcmd => sub {	1282	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
880		1284
881	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1286
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
889	} else {	1302	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1304	}
892		1305
893	cf::override;	1306	cf::override;
894	},	1307	},
895	);	1308	);
896		1309
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
932	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1315	next unless -r $path;
934	eval {	1316
935	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	$progress = 1;
936	1	1373	}
937	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
938	}	1379	};
939	}	1380	}
940		1381
941	#############################################################################	1382	#############################################################################
942		1383
		1384	=back
		1385
943	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
944		1387
945	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
946		1389
947	=cut	1390	=cut
…		…
952		1395
953	=head3 cf::player	1396	=head3 cf::player
954		1397
955	=over 4	1398	=over 4
956		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
957	=item cf::player::find $login	1414	=item cf::player::find $login
958		1415
959	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
960		1417
961	=cut	1418	=cut
962		1419
963	sub playerdir($) {	1420	sub playerdir($) {
964	cf::localdir	1421	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1423	}
970		1424
971	sub path($) {	1425	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1427
974	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
975	}	1429	}
976		1430
977	sub find_active($) {	1431	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1446	my $login = $_[0];
993		1447
994	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
995		1449
996	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1000	}	1467	}
1001	}	1468	}
1002	}	1469	}
1003		1470
…		…
1012	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1013		1480
1014	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1016		1483
		1484	cf::get_slot 0.01;
		1485
1017	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1018	Coro::cede;	1487	cf::cede_to_tick;
1019	}	1488	}
1020		1489
1021	sub new($) {	1490	sub new($) {
1022	my ($login) = @_;	1491	my ($login) = @_;
1023		1492
…		…
1029	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1030		1499
1031	$self	1500	$self
1032	}	1501	}
1033		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
1034	=item $pl->quit_character	1513	=item $pl->quit_character
1035		1514
1036	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1038		1517
1039	=cut	1518	=cut
1040		1519
1041	sub quit_character {	1520	sub quit_character {
1042	my ($pl) = @_;	1521	my ($pl) = @_;
1043		1522
		1523	my $name = $pl->ob->name;
		1524
1044	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1045	$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
1046		1527
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1051		1534
1052	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1561	}
1059		1562
1060	=item cf::player::list_logins	1563	=item cf::player::list_logins
1061		1564
1062	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
1063	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1064		1567
1065	=cut	1568	=cut
1066		1569
1067	sub list_logins {	1570	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1572	or return [];
1070		1573
1071	my @logins;	1574	my @logins;
1072		1575
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1077		1586
1078	utf8::decode $login;	1587	utf8::decode $login;
1079	push @logins, $login;	1588	push @logins, $login;
1080	}	1589	}
1081		1590
…		…
1108	}	1617	}
1109		1618
1110	\@paths	1619	\@paths
1111	}	1620	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1114		1716
1115	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1116		1718
1117	=cut	1719	=cut
1118		1720
1119	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1121		1723
1122	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1725	}
1126		1726
1127	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	}
1128		1767
1129	=back	1768	=back
1130
1131		1769
1132	=head3 cf::map	1770	=head3 cf::map
1133		1771
1134	=over 4	1772	=over 4
1135		1773
…		…
1147	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1149		1787
1150	sub generate_random_map {	1788	sub generate_random_map {
1151	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
1152	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1794	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1191		1832
1192	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1193	local $self->{path};	1834	local $self->{path};
1194	local $self->{load_path};	1835	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1836
1198	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1199	}	1838	}
1200		1839
1201	sub normalise {	1840	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1249	return $self;	1888	return $self;
1250	}	1889	}
1251	}	1890	}
1252		1891
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1893	()
1255	}	1894	}
1256		1895
1257	sub init {	1896	sub init {
1258	my ($self) = @_;	1897	my ($self) = @_;
…		…
1273		1912
1274	# the original (read-only) location	1913	# the original (read-only) location
1275	sub load_path {	1914	sub load_path {
1276	my ($self) = @_;	1915	my ($self) = @_;
1277		1916
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1279	}	1918	}
1280		1919
1281	# the temporary/swap location	1920	# the temporary/swap location
1282	sub save_path {	1921	sub save_path {
1283	my ($self) = @_;	1922	my ($self) = @_;
1284		1923
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1287	}	1926	}
1288		1927
1289	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1290	sub uniq_path {	1929	sub uniq_path {
1291	my ($self) = @_;	1930	my ($self) = @_;
1292		1931
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1295	}	1934	}
1296		1935
1297	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1298	# all maps in C++...	1937	# all maps in C++...
1299	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1301		1940
1302	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1304	}	1943	}
1305		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1306	sub unlink_save {	1953	sub unlink_save {
1307	my ($self) = @_;	1954	my ($self) = @_;
1308		1955
1309	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1959	}
1318		1960
1319	sub load_header_from($) {	1961	sub load_header_from($) {
1320	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1321		1963
1322	utf8::encode $path;	1964	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1973
1329	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1330		1975
1331	1	1976	1
1332	}	1977	}
…		…
1371	$self->load_header_orig	2016	$self->load_header_orig
1372	or return;	2017	or return;
1373	$self->prepare_orig;	2018	$self->prepare_orig;
1374	}	2019	}
1375		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
1376	1	2027	1
1377	}	2028	}
1378		2029
1379	sub find;	2030	sub find;
1380	sub find {	2031	sub find {
1381	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1382		2033
1383	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1384		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1386		2038
1387	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1389	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1390	or return;	2044	or return;
1391		2045
1392	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1393		2047
1394	$map->load_header	2048	$map->load_header
1395	or return;	2049	or return;
1396		2050
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1400	$map->reset;	2056	$map->reset;
1401	undef $guard;
1402	return find $path;	2057	return find $path;
1403	}	2058	}
1404		2059
1405	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1406	}	2061	}
…		…
1413	my ($self) = @_;	2068	my ($self) = @_;
1414		2069
1415	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1416		2071
1417	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1419		2076
		2077	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2079
1422	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1423		2081
1424	$self->alloc;	2082	$self->alloc;
1425		2083
1426	$self->pre_load;	2084	$self->pre_load;
		2085	cf::cede_to_tick;
1427		2086
1428	$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)
1429	or return;	2090	or return;
1430		2091
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1432	if delete $self->{load_original};	2093	if delete $self->{load_original};
1433		2094
1434	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2096	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2099	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1439	}	2103	}
1440	}	2104	}
1441		2105
1442	Coro::cede;	2106	$f->resolve_delayed_derefs;
1443		2107
		2108	cf::cede_to_tick;
1444	# now do the right thing for maps	2109	# now do the right thing for maps
1445	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2112	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2129	}
1458		2130
1459	$self->post_load;	2131	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2132	}
1463		2133
1464	sub customise_for {	2134	sub customise_for {
1465	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1466		2136
1467	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2138	if $self->per_player;
1469		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1470	$self	2143	$self
1471	}	2144	}
1472		2145
1473	# 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
1474	sub load_diag {	2147	sub load_neighbours {
1475	my ($map) = @_;	2148	my ($map) = @_;
1476		2149
1477	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1478		2151
1479	for (0 .. 3) {	2152	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1481	or next;	2154	or next;
1482	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1483	or next;	2156	or next;
1484	$neigh->load;	2157	$neigh->load;
1485		2158
		2159	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2162	}
1489		2163
1490	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1492	or next;	2167	or next;
1493	$neigh->load;	2168	$neigh->load;
1494	}	2169	}
1495	}	2170	}
1496		2171
…		…
1501	}	2176	}
1502		2177
1503	sub do_load_sync {	2178	sub do_load_sync {
1504	my ($map) = @_;	2179	my ($map) = @_;
1505		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1506	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1507	}	2185	}
1508		2186
1509	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1511		2189
1512	sub find_async {	2190	sub find_async {
1513	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1514		2192
1515	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1516		2194
1517	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2197	}
1520		2198
1521	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1522	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1523	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2206	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2207	$map->load if $v;
		2208	}
1528		2209
1529	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1530	}	2211	}
1531	}	2212	}
1532	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1533	};	2214	};
1534	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2218	}
1538		2219
1539	sub save {	2220	sub save {
1540	my ($self) = @_;	2221	my ($self) = @_;
1541		2222
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2224
1544	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1545		2226
1546	return unless $self->dirty;	2227	return unless $self->dirty;
1547		2228
…		…
1553	return if $self->{deny_save};	2234	return if $self->{deny_save};
1554		2235
1555	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1556		2237
1557	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1559	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1560		2244
1561	if ($uniq) {	2245	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2248	} else {
…		…
1570	my ($self) = @_;	2254	my ($self) = @_;
1571		2255
1572	# save first because save cedes	2256	# save first because save cedes
1573	$self->save;	2257	$self->save;
1574		2258
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2260
1577	return if $self->players;	2261	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2263	return if $self->{deny_save};
1580		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2269	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2270	}
1584		2271
1585	sub reset_at {	2272	sub reset_at {
1586	my ($self) = @_;	2273	my ($self) = @_;
1587		2274
1588	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1591		2277
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2280
…		…
1605	my ($self) = @_;	2291	my ($self) = @_;
1606		2292
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2294
1609	return if $self->players;	2295	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2296
1612	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
1613		2298
1614	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->in_memory (cf::MAP_SWAPPED);
1615		2300
1616	# need to save uniques path	2301	# need to save uniques path
1617	unless ($self->{deny_save}) {	2302	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2306	if $uniq;
1622	}	2307	}
1623		2308
1624	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1625		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2313	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2314
1630	$self->unlink_save;	2315	$self->unlink_save;
1631	$self->destroy;	2316	$self->destroy;
1632	}	2317	}
1633		2318
1634	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1635		2320
1636	sub nuke {	2321	sub nuke {
1637	my ($self) = @_;	2322	my ($self) = @_;
1638		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1639	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1640		2328
1641	$self->unlink_save;	2329	$self->unlink_save;
1642		2330
1643	bless $self, "cf::map";	2331	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2336
1649	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1650		2339
1651	$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	]
1652	}	2377	}
1653		2378
1654	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1655		2380
1656	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2382	instantiated unique items. May block.
1658		2383
1659	=cut	2384	=cut
1660		2385
1661	sub unique_maps() {	2386	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1663	or return;	2388	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2389	utf8::decode $_;
1669	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2392	? ()
1672	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2395	]
1674
1675	\@paths
1676	}	2396	}
1677
1678	package cf;
1679		2397
1680	=back	2398	=back
1681		2399
1682	=head3 cf::object	2400	=head3 cf::object
1683		2401
…		…
1687		2405
1688	=over 4	2406	=over 4
1689		2407
1690	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1691		2409
1692	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.
1693		2412
1694	=cut	2413	=cut
1695		2414
1696	sub inv_recursive_;	2415	sub inv_recursive_;
1697	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1700		2419
1701	sub inv_recursive {	2420	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1703	}	2422	}
1704		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
1705	package cf;	2452	package cf;
1706		2453
1707	=back	2454	=back
1708		2455
1709	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1718		2465
1719	=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	};
1720		2481
1721	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2483	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1726		2487
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2489
1729	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1734	}	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 (@_);
1735	}	2515	}
1736		2516
1737	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1738		2518
1739	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1787		2567
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2569
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1792		2572
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2574	}
1795		2575
1796	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1798		2580
1799	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1800		2582
1801	unless ($map) {	2583	unless ($map) {
1802	# restore original map position	2584	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1819		2601
1820	$map->load;	2602	$map->load;
1821	$map->load_diag;	2603	$map->load_neighbours;
1822		2604
1823	return unless $self->contr->active;	2605	return unless $self->contr->active;
1824	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1826	}	2610	}
1827		2611
1828	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2613
1832	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1836	};	2618	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2619
1842	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2622
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1863		2626
1864	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1865	my ($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;
1866		2632
1867	$self->enter_link;	2633	$self->enter_link;
1868		2634
1869	(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
1870	my $map = eval {	2657	my $map = eval {
1871	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2673	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1878	})->prio (1);	2681	})->prio (1);
1879	}	2682	}
1880		2683
1881	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1882		2685
…		…
1902	}	2705	}
1903		2706
1904	sub prepare_random_map {	2707	sub prepare_random_map {
1905	my ($exit) = @_;	2708	my ($exit) = @_;
1906		2709
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2712	# that depends on the exit object
1912		2713
1913	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2716	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1920	}	2723	}
1921		2724
1922	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1923		2726
1924	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1927		2730
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2733	undef $fh;
1931	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1932		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1935	}	2742	}
1936	}	2743	}
1937		2744
1938	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1940		2747
1941	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1942		2749
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2750	$self->enter_link;
1953		2751
1954	(async {	2752	(async {
1955	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1956	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
1957	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
1958		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
1959	1;	2776	1
1960	}) {	2777	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2782
1966	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2784	$self->leave_link;
1968	}	2785	}
1969	})->prio (1);	2786	})->prio (1);
…		…
1982		2799
1983	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1985		2802
1986	utf8::encode $text;	2803	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2805	}
1989		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	}
1990		2971
1991	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1992		2973
1993	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		2977
1997	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
1998	reliable at some point in the future.	2979	become reliable at some point in the future.
1999		2980
2000	=cut	2981	=cut
2001		2982
2002	sub cf::client::query {	2983	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2992	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2994
2014	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2016	}	2999	}
2017		3000
2018	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
2019	on_reply => sub {	3007	on_reply => sub {
2020	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2021		3009
2022	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2023	# get handled first	3011	# get handled first
…		…
2035	} else {	3023	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3025	}
2038	}	3026	}
2039	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($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	},
2040	);	3054	);
2041		3055
2042	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2043		3057
2044	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2087		3101
2088	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2089		3103
2090	$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	));
2091		3109
2092	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2093		3111
2094	=pod	3112	=pod
2095		3113
2096	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2097		3115
2098	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
2099	cf::object::player player	3120	cf::object::player
2100	cf::player peaceful	3121	player
2101	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2102		3128
2103	=cut	3129	=cut
2104		3130
2105	for (	3131	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2110	) {	3138	) {
2111	no strict 'refs';	3139	no strict 'refs';
…		…
2182	=back	3210	=back
2183		3211
2184	=cut	3212	=cut
2185		3213
2186	#############################################################################	3214	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3215	# the server's init and main functions
2260		3216
		3217	sub load_facedata($) {
		3218	my ($path) = @_;
		3219
		3220	# HACK to clear player env face cache, we need some signal framework
		3221	# for this (global event?)
		3222	%ext::player_env::MUSIC_FACE_CACHE = ();
		3223
		3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3225
		3226	warn "loading facedata from $path\n";
		3227
		3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
		3231
		3232	$facedata = Coro::Storable::thaw $facedata;
		3233
		3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3236
		3237	# patch in the exptable
		3238	$facedata->{resource}{"res/exp_table"} = {
		3239	type => FT_RSRC,
		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3241	};
		3242	cf::cede_to_tick;
		3243
		3244	{
		3245	my $faces = $facedata->{faceinfo};
		3246
		3247	while (my ($face, $info) = each %$faces) {
		3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
		3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
		3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3254
		3255	cf::cede_to_tick;
		3256	}
		3257
		3258	while (my ($face, $info) = each %$faces) {
		3259	next unless $info->{smooth};
		3260
		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, $v);
		3349	}
		3350	};
		3351
2261	sub load_resources {	3352	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2263	or die "unable to load regions file\n";#d#	3368	or die "unable to load regions file\n";
2264	}
2265		3369
2266	sub cfg_load {	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 {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3412	or return;
2269		3413
2270	local $/;	3414	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2272		3416
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3418
2275	$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};
2276	$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};
…		…
2282	};	3426	};
2283	warn $@ if $@;	3427	warn $@ if $@;
2284	}	3428	}
2285	}	3429	}
2286		3430
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3431	sub main {
2292	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2294	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#
2295	(async {	3435	(async {
2296	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2298	};	3439	};
2299		3440
2300	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2301	db_init;	3444	db_init;
2302	load_extensions;	3445	load_extensions;
2303		3446
2304	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2305	$WRITE_RUNTIME_WATCHER->start;	3448	}
		3449
2306	Event::loop;	3450	EV::loop;
2307	}	3451	}
2308		3452
2309	#############################################################################	3453	#############################################################################
2310	# initialisation and cleanup	3454	# initialisation and cleanup
2311		3455
2312	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2313	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2322	},
2323	);	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
2324	}	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 };
2325	}	3545	}
2326		3546
2327	sub emergency_save() {	3547	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2329		3549
…		…
2335	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2337	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3561	$pl->save;
2341	}	3562	}
2342	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2343		3564
2344	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2350	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2351		3572
2352	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	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";
2355	};	3580	};
2356		3581
2357	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2358	}	3583	}
2359		3584
…		…
2362		3587
2363	warn Carp::longmess "post_cleanup backtrace"	3588	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3589	if $make_core;
2365	}	3590	}
2366		3591
2367	sub reload() {	3592	sub do_reload_perl() {
2368	# can/must only be called in main	3593	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3595	warn "can only reload from main coroutine";
2371	return;	3596	return;
2372	}	3597	}
…		…
2374	warn "reloading...";	3599	warn "reloading...";
2375		3600
2376	warn "entering sync_job";	3601	warn "entering sync_job";
2377		3602
2378	cf::sync_job {	3603	cf::sync_job {
2379	cf::write_runtime;	3604	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3605	cf::emergency_save;
2381	cf::write_runtime;	3606	cf::write_runtime_sync; # external watchdog should not bark
2382		3607
2383	warn "syncing database to disk";	3608	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3610
2386	# 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
2387
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392		3612
2393	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2394	for (;;) {	3614	for (;;) {
2395	BDB::flush;	3615	BDB::flush;
2396	IO::AIO::flush;	3616	IO::AIO::flush;
2397	Coro::cede;	3617	Coro::cede_notself;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3619	warn "iterate...";
2400	}	3620	}
		3621
		3622	++$RELOAD;
2401		3623
2402	warn "cancelling all extension coros";	3624	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3626	%EXT_CORO = ();
2405		3627
2406	warn "removing commands";	3628	warn "removing commands";
2407	%COMMAND = ();	3629	%COMMAND = ();
2408		3630
2409	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2411		3634
2412	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2415		3638
…		…
2445	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2446	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);
2447		3670
2448	warn "unloading cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2450		3674
2451	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3676	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2454		3678
…		…
2457	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2458	require cf;	3682	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3684
2461	warn "loading config and database again";	3685	warn "loading config and database again";
2462	cf::cfg_load;	3686	cf::reload_config;
2463		3687
2464	warn "loading extensions";	3688	warn "loading extensions";
2465	cf::load_extensions;	3689	cf::load_extensions;
2466		3690
2467	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3692	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3693	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3694	reattach $_ for values %MAP;
2471		3695	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3696	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3697
2475	warn "leaving sync_job";	3698	warn "leaving sync_job";
2476		3699
2477	1	3700	1
2478	} or do {	3701	} or do {
2479	warn $@;	3702	warn $@;
2480	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
2481	exit 1;
2482	};	3704	};
2483		3705
2484	warn "reloaded";	3706	warn "reloaded";
2485	};	3707	};
2486		3708
2487	our $RELOAD_WATCHER; # used only during reload	3709	our $RELOAD_WATCHER; # used only during reload
2488		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
2489	register_command "reload" => sub {	3721	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2491		3723
2492	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
2494		3726	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3727	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	3728	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3729	};
2507	}	3730	}
2508	};	3731	};
2509		3732
2510	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2511		3734
2512	my $bug_warning = 0;	3735	my $bug_warning = 0;
2513		3736
2514	$TICK_WATCHER = Event->timer (	3737	our @WAIT_FOR_TICK;
2515	reentrant => 0,	3738	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	3739
2517	prio => 0,	3740	sub wait_for_tick {
2518	at => $NEXT_TICK || $TICK,	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2519	data => WF_AUTOCANCEL,	3742
2520	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 {
2521	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2522	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"
2523	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2524	return;	3760	return;
2525	}	3761	}
2526		3762
2527	$NOW = Event::time;
2528
2529	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532		3764
2533	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2535		3767	Coro::async_pool {
2536	# my $AFTER = Event::time;	3768	$Coro::current->{desc} = "runtime saver";
2537	# warn $AFTER - $NOW;#d#	3769	write_runtime_sync
2538		3770	or warn "ERROR: unable to write runtime file: $!";
2539	# if we are delayed by four ticks or more, skip them all	3771	};
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2541
2542	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;
2544	},	3772	}
2545	);	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	}
2546		3792
2547	{	3793	{
2548	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	3795
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
2558		3797	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		3799
2574	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	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);
2576		3807
2577	cf::sync_job {	3808	cf::sync_job {
2578	eval {	3809	eval {
2579	BDB::db_env_open	3810	BDB::db_env_open
2580	$DB_ENV,	3811	$DB_ENV,
2581	$BDB_ENV_DIR,	3812	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3815	0666;
2585		3816
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	3818	};
2591		3819
2592	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	3821	};
2594	}	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	};
2595	}	3833	}
2596		3834
2597	{	3835	{
		3836	# configure IO::AIO
		3837
2598	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	3841	}
2611		3842
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3843	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3844
2622	Coro::async_pool {	3845	sub _log_backtrace {
2623	write_runtime	3846	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	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;
2625	};	3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3880	}
2627	);	3881	}
		3882
		3883	# load additional modules
		3884	use cf::pod;
2628		3885
2629	END { cf::emergency_save }	3886	END { cf::emergency_save }
2630		3887
2631	1	3888	1
2632		3889

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