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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 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;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
87		139
88	sub cf::map::normalise;	140	sub cf::map::normalise;
89		141
…		…
100	=item $cf::RUNTIME	152	=item $cf::RUNTIME
101		153
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	155	every server tick.
104		156
105	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		160
107	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
109		165
110	=item $cf::NOW	166	=item $cf::NOW
111		167
112	The time of the last (current) server tick.	168	The time of the last (current) server tick.
113		169
114	=item $cf::TICK	170	=item $cf::TICK
115		171
116	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
117		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
118	=item %cf::CFG	184	=item %cf::CFG
119		185
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	187	from wherever your confdir points to.
122		188
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		190
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
129		200
130	=back	201	=back
131		202
132	=cut	203	=cut
133		204
134	BEGIN {	205	BEGIN {
135	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	207	my $msg = join "", @_;
137	utf8::encode $msg;
138		208
139	$msg .= "\n"	209	$msg .= "\n"
140	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
141		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
142	LOG llevError, $msg;	214	LOG llevError, $msg;
143	};	215	};
144	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
145		232
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		240
153	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	242	# within the Safe compartment.
155	for my $pkg (qw(	243	for my $pkg (qw(
156	cf::global cf::attachable	244	cf::global cf::attachable
…		…
161	)) {	249	)) {
162	no strict 'refs';	250	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	252	}
165		253
166	$Event::DIED = sub {	254	$EV::DIED = sub {
167	warn "error in event callback: @_";	255	warn "error in event callback: @_";
168	};	256	};
		257
		258	#############################################################################
169		259
170	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
171		261
172	=over 4	262	=over 4
173		263
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	283	$d
194	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
195	}	285	}
196		286
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
200		288
201	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
202		290
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
211		292
212	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
213		294
214	=cut	295	=cut
215		296
216	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
218	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
220		301
221	=item cf::lock_wait $string	302	=item cf::lock_wait $string
222		303
223	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
224		305
…		…
227	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
230	returned.	311	returned.
231		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
232	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
234		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
235	=cut	323	=cut
236		324
237	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
238		327
239	sub lock_wait($) {	328	sub lock_wait($) {
240	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
241		335
242	# wait for lock, if any	336	# wait for lock, if any
243	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	339	Coro::schedule;
…		…
251		345
252	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
253	lock_wait $key;	347	lock_wait $key;
254		348
255	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
256		351
257	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
260	}	356	}
261	}	357	}
262		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
263	sub freeze_mainloop {	365	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
265		367
266	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	369	}
268	$WRITE_RUNTIME_WATCHER->start;	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
269	};	429	}
270	$WRITE_RUNTIME_WATCHER->stop;	430	};
271	$TICK_WATCHER->stop;	431
272	$guard	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
273	}	444	}
274		445
275	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
276		447
277	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		453
283	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
284		455
285	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
286		457
287	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
290		462
291	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
294	fast or be very important.	466	fast or be very important.
…		…
297		469
298	sub sync_job(&) {	470	sub sync_job(&) {
299	my ($job) = @_;	471	my ($job) = @_;
300		472
301	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
302	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
304		478
305	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	480
307	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
308		482
309	my $busy = 1;	483	my $busy = 1;
310	my @res;	484	my @res;
311		485
312	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	488	@res = eval { $job->() };
314	warn $@ if $@;	489	warn $@ if $@;
315	undef $busy;	490	undef $busy;
316	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
317		492
318	while ($busy) {	493	while ($busy) {
319	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
320	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
321		504
322	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
323	} else {	506	} else {
324	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
325		508
…		…
345	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
346		529
347	$coro	530	$coro
348	}	531	}
349		532
350	sub write_runtime {	533	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		534
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
354	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
355		539
356	my $value = $cf::RUNTIME + 90 + 10;	540	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		541
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	sub fork_call(&@) {
361	and return;	543	my ($cb, @args) = @_;
362		544
363	aio_fsync $fh	545	# we seemingly have to make a local copy of the whole thing,
364	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
365		548
366	close $fh	549	my @res = Coro::Util::fork_eval {
367	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
368		553
369	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
370	and return;	555	}
371		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
372	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	720	}
374		721
375	=back	722	=back
376		723
377	=cut	724	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
386		733
387	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	736	Deliantra).
390		737
391	=over 4	738	=over 4
392		739
393	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
394		741
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
558		905
559	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		910
564	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	912	my $pkg = shift @arg;
566		913
567	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
597	}	944	}
598		945
599	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
600	} else {	947	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	949	}
603		950
604	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
605	}	952	}
606		953
…		…
608	if (ref $_[0]) {	955	if (ref $_[0]) {
609	_object_attach @_;	956	_object_attach @_;
610	} else {	957	} else {
611	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
612	}	959	}
		960	_recalc_want;
613	};	961	};
614		962
615	# all those should be optimised	963	# all those should be optimised
616	sub cf::attachable::detach {	964	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
621	reattach ($obj);	969	reattach ($obj);
622	} else {	970	} else {
623	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
624	}	972	}
		973	_recalc_want;
625	};	974	};
626		975
627	sub cf::attachable::attached {	976	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
629		978
…		…
644	";	993	";
645	die if $@;	994	die if $@;
646	}	995	}
647		996
648	our $override;	997	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		999
651	sub override {	1000	sub override {
652	$override = 1;	1001	$override = 1;
653	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
654	}	1003	}
655		1004
656	sub do_invoke {	1005	sub do_invoke {
657	my $event = shift;	1006	my $event = shift;
658	my $callbacks = shift;	1007	my $callbacks = shift;
659		1008
660	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
661		1010
662	local $override;	1011	local $override;
663		1012
664	for (@$callbacks) {	1013	for (@$callbacks) {
665	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
674	}	1023	}
675		1024
676	0	1025	0
677	}	1026	}
678		1027
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1029
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1031
683	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
684		1033
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1037
689	=back	1038	=back
690		1039
691	=cut	1040	=cut
692		1041
693	#############################################################################	1042	#############################################################################
694	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
695		1086
696	sub reattach {	1087	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1089	my ($obj) = @_;
699		1090
…		…
720	cf::attachable->attach (	1111	cf::attachable->attach (
721	prio => -1000000,	1112	prio => -1000000,
722	on_instantiate => sub {	1113	on_instantiate => sub {
723	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
724		1115
725	$data = from_json $data;	1116	$data = decode_json $data;
726		1117
727	for (@$data) {	1118	for (@$data) {
728	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
729		1120
730	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1137	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
748		1139
749	sync_job {	1140	sync_job {
750	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
753		1145
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1150	aio_close $fh;
759		1151
760	if (@$objs) {	1152	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1158	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
768	}	1160	}
769	} else {	1161	} else {
770	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
771	}	1163	}
…		…
776	}	1168	}
777	} else {	1169	} else {
778	aio_unlink $filename;	1170	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
780	}	1172	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1173	};
788	}	1174	}
789		1175
790	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
792		1178
…		…
797		1183
798	sub object_thawer_load {	1184	sub object_thawer_load {
799	my ($filename) = @_;	1185	my ($filename) = @_;
800		1186
801	my ($data, $av);	1187	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1188
806	(aio_load $filename, $data) >= 0	1189	(aio_load $filename, $data) >= 0
807	or return;	1190	or return;
808		1191
809	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
811	or return;	1194	or return;
		1195
812	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
813	}	1198	}
814		1199
		1200	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
817	return ($data, $av);	1204	($data, $av)
818	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
819		1212
820	#############################################################################	1213	#############################################################################
821	# command handling &c	1214	# command handling &c
822		1215
823	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1230	}
838		1231
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1233
841	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
842		1239
843	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
844	called.	1241	called.
845		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
846	=cut	1254	=cut
847		1255
848	sub register_extcmd {	1256	sub register_extcmd {
849	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
850		1258
851	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
852	}	1266	}
853		1267
854	cf::player->attach (	1268	cf::player->attach (
855	on_command => sub {	1269	on_command => sub {
856	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1279	cf::override;
866	},	1280	},
867	on_extcmd => sub {	1281	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
869		1283
870	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1285
872	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
878	} else {	1301	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1303	}
881		1304
882	cf::override;	1305	cf::override;
883	},	1306	},
884	);	1307	);
885		1308
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
921	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1314	next unless -r $path;
923	eval {	1315
924	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
925	1	1372	}
926	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
927	}	1378	};
928	}	1379	}
929		1380
930	#############################################################################	1381	#############################################################################
931		1382
		1383	=back
		1384
932	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
933		1386
934	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
935		1388
936	=cut	1389	=cut
…		…
941		1394
942	=head3 cf::player	1395	=head3 cf::player
943		1396
944	=over 4	1397	=over 4
945		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
946	=item cf::player::find $login	1413	=item cf::player::find $login
947		1414
948	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
949		1416
950	=cut	1417	=cut
951		1418
952	sub playerdir($) {	1419	sub playerdir($) {
953	cf::localdir	1420	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1422	}
959		1423
960	sub path($) {	1424	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1426
963	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
964	}	1428	}
965		1429
966	sub find_active($) {	1430	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1445	my $login = $_[0];
982		1446
983	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
984		1448
985	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
987	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
989	}	1466	}
990	}	1467	}
991	}	1468	}
992		1469
…		…
1001	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
1002		1479
1003	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
1005		1482
		1483	cf::get_slot 0.01;
		1484
1006	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
1007	Coro::cede;	1486	cf::cede_to_tick;
1008	}	1487	}
1009		1488
1010	sub new($) {	1489	sub new($) {
1011	my ($login) = @_;	1490	my ($login) = @_;
1012		1491
…		…
1018	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1019		1498
1020	$self	1499	$self
1021	}	1500	}
1022		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1023	=item $pl->quit_character	1512	=item $pl->quit_character
1024		1513
1025	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1027		1516
1028	=cut	1517	=cut
1029		1518
1030	sub quit_character {	1519	sub quit_character {
1031	my ($pl) = @_;	1520	my ($pl) = @_;
1032		1521
		1522	my $name = $pl->ob->name;
		1523
1033	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1526
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1040		1533
1041	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1046	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1047	}	1560	}
1048		1561
1049	=item cf::player::list_logins	1562	=item cf::player::list_logins
1050		1563
1051	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1053		1566
1054	=cut	1567	=cut
1055		1568
1056	sub list_logins {	1569	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1571	or return [];
1059		1572
1060	my @logins;	1573	my @logins;
1061		1574
1062	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1066		1585
1067	utf8::decode $login;	1586	utf8::decode $login;
1068	push @logins, $login;	1587	push @logins, $login;
1069	}	1588	}
1070		1589
…		…
1078		1597
1079	=cut	1598	=cut
1080		1599
1081	sub maps($) {	1600	sub maps($) {
1082	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1604
1084	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1085	or return;	1606	or return;
1086		1607
1087	my @paths;	1608	my @paths;
…		…
1089	for (@$files) {	1610	for (@$files) {
1090	utf8::decode $_;	1611	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1093		1614
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1615	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1616	}
1096		1617
1097	\@paths	1618	\@paths
1098	}	1619	}
1099		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1101		1715
1102	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1103		1717
1104	=cut	1718	=cut
1105		1719
1106	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1108		1722
1109	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1724	}
1113		1725
1114	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1115		1766
1116	=back	1767	=back
1117
1118		1768
1119	=head3 cf::map	1769	=head3 cf::map
1120		1770
1121	=over 4	1771	=over 4
1122		1772
…		…
1134	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1136		1786
1137	sub generate_random_map {	1787	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1139	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1793	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1178		1831
1179	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1180	local $self->{path};	1833	local $self->{path};
1181	local $self->{load_path};	1834	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1835
1185	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1186	}	1837	}
1187		1838
1188	sub normalise {	1839	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1236	return $self;	1887	return $self;
1237	}	1888	}
1238	}	1889	}
1239		1890
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1892	()
1242	}	1893	}
1243		1894
1244	sub init {	1895	sub init {
1245	my ($self) = @_;	1896	my ($self) = @_;
…		…
1260		1911
1261	# the original (read-only) location	1912	# the original (read-only) location
1262	sub load_path {	1913	sub load_path {
1263	my ($self) = @_;	1914	my ($self) = @_;
1264		1915
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1266	}	1917	}
1267		1918
1268	# the temporary/swap location	1919	# the temporary/swap location
1269	sub save_path {	1920	sub save_path {
1270	my ($self) = @_;	1921	my ($self) = @_;
1271		1922
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1274	}	1925	}
1275		1926
1276	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1277	sub uniq_path {	1928	sub uniq_path {
1278	my ($self) = @_;	1929	my ($self) = @_;
1279		1930
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1282	}	1933	}
1283		1934
1284	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1285	# all maps in C++...	1936	# all maps in C++...
1286	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1288		1939
1289	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1291	}	1942	}
1292		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1293	sub unlink_save {	1952	sub unlink_save {
1294	my ($self) = @_;	1953	my ($self) = @_;
1295		1954
1296	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1958	}
1305		1959
1306	sub load_header_from($) {	1960	sub load_header_from($) {
1307	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1308		1962
1309	utf8::encode $path;	1963	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1315		1972
1316	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1317		1974
1318	1	1975	1
1319	}	1976	}
…		…
1358	$self->load_header_orig	2015	$self->load_header_orig
1359	or return;	2016	or return;
1360	$self->prepare_orig;	2017	$self->prepare_orig;
1361	}	2018	}
1362		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
1363	1	2026	1
1364	}	2027	}
1365		2028
1366	sub find;	2029	sub find;
1367	sub find {	2030	sub find {
1368	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1369		2032
1370	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1371		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1373		2037
1374	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1376	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1377	or return;	2043	or return;
1378		2044
1379	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1380		2046
1381	$map->load_header	2047	$map->load_header
1382	or return;	2048	or return;
1383		2049
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1387	$map->reset;	2055	$map->reset;
1388	undef $guard;
1389	return find $path;	2056	return find $path;
1390	}	2057	}
1391		2058
1392	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1393	}	2060	}
…		…
1400	my ($self) = @_;	2067	my ($self) = @_;
1401		2068
1402	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1403		2070
1404	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1406		2075
		2076	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2078
1409	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1410		2080
1411	$self->alloc;	2081	$self->alloc;
1412		2082
1413	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1414		2085
1415	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1416	or return;	2089	or return;
1417		2090
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	2092	if delete $self->{load_original};
1420		2093
1421	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2095	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2098	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1426	}	2102	}
1427	}	2103	}
1428		2104
1429	Coro::cede;	2105	$f->resolve_delayed_derefs;
1430		2106
		2107	cf::cede_to_tick;
1431	# now do the right thing for maps	2108	# now do the right thing for maps
1432	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2111	unless $self->difficulty;
1442	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1443	$self->activate;	2121	$self->activate;
		2122	}
		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
		2127	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2128	}
1445		2129
1446	$self->post_load;	2130	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2131	}
1450		2132
1451	sub customise_for {	2133	sub customise_for {
1452	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1453		2135
1454	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2137	if $self->per_player;
1456		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1457	$self	2142	$self
1458	}	2143	}
1459		2144
1460	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2146	sub load_neighbours {
1462	my ($map) = @_;	2147	my ($map) = @_;
1463		2148
1464	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1465		2150
1466	for (0 .. 3) {	2151	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1468	or next;	2153	or next;
1469	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1470	or next;	2155	or next;
1471	$neigh->load;	2156	$neigh->load;
1472		2157
		2158	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2161	}
1476		2162
1477	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1479	or next;	2166	or next;
1480	$neigh->load;	2167	$neigh->load;
1481	}	2168	}
1482	}	2169	}
1483		2170
…		…
1488	}	2175	}
1489		2176
1490	sub do_load_sync {	2177	sub do_load_sync {
1491	my ($map) = @_;	2178	my ($map) = @_;
1492		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1493	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1494	}	2184	}
1495		2185
1496	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1498		2188
1499	sub find_async {	2189	sub find_async {
1500	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1501		2191
1502	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1503		2193
1504	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2196	}
1507		2197
1508	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1509	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1510	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2205	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2206	$map->load if $v;
		2207	}
1515		2208
1516	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1517	}	2210	}
1518	}	2211	}
1519	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1520	};	2213	};
1521	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2217	}
1525		2218
1526	sub save {	2219	sub save {
1527	my ($self) = @_;	2220	my ($self) = @_;
1528		2221
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2223
1531	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1532		2225
1533	return unless $self->dirty;	2226	return unless $self->dirty;
1534		2227
…		…
1540	return if $self->{deny_save};	2233	return if $self->{deny_save};
1541		2234
1542	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1543		2236
1544	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1546	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1547		2243
1548	if ($uniq) {	2244	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2247	} else {
…		…
1557	my ($self) = @_;	2253	my ($self) = @_;
1558		2254
1559	# save first because save cedes	2255	# save first because save cedes
1560	$self->save;	2256	$self->save;
1561		2257
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2259
1564	return if $self->players;	2260	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2262	return if $self->{deny_save};
1567		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2268	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2269	}
1571		2270
1572	sub reset_at {	2271	sub reset_at {
1573	my ($self) = @_;	2272	my ($self) = @_;
1574		2273
1575	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1578		2276
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2279
…		…
1592	my ($self) = @_;	2290	my ($self) = @_;
1593		2291
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2293
1596	return if $self->players;	2294	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2295
1599	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1600		2307
1601	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1602		2309
1603	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2312	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2313
1608	$self->unlink_save;	2314	$self->unlink_save;
1609	$self->destroy;	2315	$self->destroy;
1610	}	2316	}
1611		2317
1612	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1613		2319
1614	sub nuke {	2320	sub nuke {
1615	my ($self) = @_;	2321	my ($self) = @_;
1616		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1617	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1618		2327
1619	$self->unlink_save;	2328	$self->unlink_save;
1620		2329
1621	bless $self, "cf::map";	2330	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2335
1627	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1628		2338
1629	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1630	}	2376	}
1631		2377
1632	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1633		2379
1634	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2381	instantiated unique items. May block.
1636		2382
1637	=cut	2383	=cut
1638		2384
1639	sub unique_maps() {	2385	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1641	or return;	2387	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2388	utf8::decode $_;
1647	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2391	? ()
1650	push @paths, cf::map::normalise $_;	2392	: normalise $_
		2393	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2394	]
1652
1653	\@paths
1654	}	2395	}
1655
1656	package cf;
1657		2396
1658	=back	2397	=back
1659		2398
1660	=head3 cf::object	2399	=head3 cf::object
1661		2400
…		…
1665		2404
1666	=over 4	2405	=over 4
1667		2406
1668	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1669		2408
1670	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1671		2411
1672	=cut	2412	=cut
1673		2413
1674	sub inv_recursive_;	2414	sub inv_recursive_;
1675	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1678		2418
1679	sub inv_recursive {	2419	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1681	}	2421	}
1682		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1683	package cf;	2451	package cf;
1684		2452
1685	=back	2453	=back
1686		2454
1687	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1696		2464
1697	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1698		2480
1699	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2482	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1704		2486
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2488
1707	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1709	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1712	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1713	}	2514	}
1714		2515
1715	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1716		2517
1717	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1765		2566
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2568
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1770		2571
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2573	}
1773		2574
1774	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1776		2579
1777	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1778		2581
1779	unless ($map) {	2582	unless ($map) {
1780	# restore original map position	2583	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1797		2600
1798	$map->load;	2601	$map->load;
1799	$map->load_diag;	2602	$map->load_neighbours;
1800		2603
1801	return unless $self->contr->active;	2604	return unless $self->contr->active;
1802	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1804	}	2609	}
1805		2610
1806	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2612
1810	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1814	};	2617	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2618
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2619	=cut
		2620
		2621	our $GOTOGEN;
1841		2622
1842	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2624	my ($self, $path, $x, $y, $check, $done) = @_;
		2625
		2626	# do generation counting so two concurrent goto's will be executed in-order
		2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2628
1845	$self->enter_link;	2629	$self->enter_link;
1846		2630
1847	(async {	2631	(async {
		2632	$Coro::current->{desc} = "player::goto $path $x $y";
		2633
		2634	# *tag paths override both path and x|y
		2635	if ($path =~ /^\*(.*)$/) {
		2636	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2637	my $ob = $obs[rand @obs];
		2638
		2639	# see if we actually can go there
		2640	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2641	$ob = $obs[rand @obs];
		2642	} else {
		2643	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645	# else put us there anyways for now #d#
		2646
		2647	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2648	} else {
		2649	($path, $x, $y) = (undef, undef, undef);
		2650	}
		2651	}
		2652
1848	my $map = eval {	2653	my $map = eval {
1849	my $map = cf::map::find $path;	2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
		2658	$map = $check->($map) if $check && $map;
		2659	} else {
		2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
		2662
1851	$map	2663	$map
		2664	};
		2665
		2666	if ($@) {
		2667	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2669	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1856	})->prio (1);	2677	})->prio (1);
1857	}	2678	}
1858		2679
1859	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
1860		2681
…		…
1880	}	2701	}
1881		2702
1882	sub prepare_random_map {	2703	sub prepare_random_map {
1883	my ($exit) = @_;	2704	my ($exit) = @_;
1884		2705
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2708	# that depends on the exit object
1890		2709
1891	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2712	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2713	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
1898	}	2719	}
1899		2720
1900	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
1901		2722
1902	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
1905		2726
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2729	undef $fh;
1909	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
1910		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
1913	}	2738	}
1914	}	2739	}
1915		2740
1916	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
1918		2743
1919	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
1920		2745
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2746	$self->enter_link;
1931		2747
1932	(async {	2748	(async {
1933	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
1934	unless (eval {	2751	unless (eval {
		2752	$self->deactivate_recursive; # just to be sure
		2753
		2754	# random map handling
		2755	{
		2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2757
		2758	prepare_random_map $exit
		2759	if $exit->slaying eq "/!";
		2760	}
		2761
		2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
		2765
1935	$self->goto ($slaying, $hp, $sp);	2766	$self->goto ($map, $x, $y);
1936		2767
		2768	# if exit is damned, update players death & WoR home-position
		2769	$self->contr->savebed ($map, $x, $y)
		2770	if $exit->flag (cf::FLAG_DAMNED);
		2771
1937	1;	2772	1
1938	}) {	2773	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2775	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2778
1944	warn "ERROR in enter_exit: $@";	2779	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2780	$self->leave_link;
1946	}	2781	}
1947	})->prio (1);	2782	})->prio (1);
…		…
1960		2795
1961	sub cf::client::send_drawinfo {	2796	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2797	my ($self, $text, $flags) = @_;
1963		2798
1964	utf8::encode $text;	2799	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2801	}
1967		2802
		2803	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2804
		2805	Send a drawinfo or msg packet to the client, formatting the msg for the
		2806	client if neccessary. C<$type> should be a string identifying the type of
		2807	the message, with C<log> being the default. If C<$color> is negative, suppress
		2808	the message unless the client supports the msg packet.
		2809
		2810	=cut
		2811
		2812	# non-persistent channels (usually the info channel)
		2813	our %CHANNEL = (
		2814	"c/identify" => {
		2815	id => "infobox",
		2816	title => "Identify",
		2817	reply => undef,
		2818	tooltip => "Items recently identified",
		2819	},
		2820	"c/examine" => {
		2821	id => "infobox",
		2822	title => "Examine",
		2823	reply => undef,
		2824	tooltip => "Signs and other items you examined",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/uptime" => {
		2851	id => "infobox",
		2852	title => "Uptime",
		2853	reply => undef,
		2854	tooltip => "How long the server has been running since last restart",
		2855	},
		2856	"c/mapinfo" => {
		2857	id => "infobox",
		2858	title => "Map Info",
		2859	reply => undef,
		2860	tooltip => "Information related to the maps",
		2861	},
		2862	"c/party" => {
		2863	id => "party",
		2864	title => "Party",
		2865	reply => "gsay ",
		2866	tooltip => "Messages and chat related to your party",
		2867	},
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg);
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883
		2884	$channel = $channel->{id};
		2885
		2886	} elsif (ref $channel) {
		2887	# send meta info to client, if not yet sent
		2888	unless (exists $self->{channel}{$channel->{id}}) {
		2889	$self->{channel}{$channel->{id}} = $channel;
		2890	$self->ext_msg (channel_info => $channel)
		2891	if $self->can_msg;
		2892	}
		2893
		2894	$channel = $channel->{id};
		2895	}
		2896
		2897	return unless @extra || length $msg;
		2898
		2899	if ($self->can_msg) {
		2900	# default colour, mask it out
		2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2902	if $color & cf::NDI_DEF;
		2903
		2904	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2906	} else {
		2907	if ($color >= 0) {
		2908	# replace some tags by gcfclient-compatible ones
		2909	for ($msg) {
		2910	1 while
		2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2916	}
		2917
		2918	$color &= cf::NDI_COLOR_MASK;
		2919
		2920	utf8::encode $msg;
		2921
		2922	if (0 && $msg =~ /\[/) {
		2923	# COMMAND/INFO
		2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2925	} else {
		2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2927	$self->send_packet ("drawinfo $color $msg")
		2928	}
		2929	}
		2930	}
		2931	}
		2932
		2933	=item $client->ext_msg ($type, @msg)
		2934
		2935	Sends an ext event to the client.
		2936
		2937	=cut
		2938
		2939	sub cf::client::ext_msg($$@) {
		2940	my ($self, $type, @msg) = @_;
		2941
		2942	if ($self->extcmd == 2) {
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2944	} elsif ($self->extcmd == 1) { # TODO: remove
		2945	push @msg, msgtype => "event_$type";
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
		2949
		2950	=item $client->ext_reply ($msgid, @msg)
		2951
		2952	Sends an ext reply to the client.
		2953
		2954	=cut
		2955
		2956	sub cf::client::ext_reply($$@) {
		2957	my ($self, $id, @msg) = @_;
		2958
		2959	if ($self->extcmd == 2) {
		2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2961	} elsif ($self->extcmd == 1) {
		2962	#TODO: version 1, remove
		2963	unshift @msg, msgtype => "reply", msgid => $id;
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2965	}
		2966	}
1968		2967
1969	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
1970		2969
1971	Queues a query to the client, calling the given callback with	2970	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2971	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2972	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2973
1975	Queries can fail, so check the return code. Or don't, as queries will become	2974	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2975	become reliable at some point in the future.
1977		2976
1978	=cut	2977	=cut
1979		2978
1980	sub cf::client::query {	2979	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2988	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2990
1992	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
1994	}	2995	}
1995		2996
1996	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
1997	on_reply => sub {	3003	on_reply => sub {
1998	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
1999		3005
2000	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
2001	# get handled first	3007	# get handled first
2002	my $queue = delete $ns->{query_queue}	3008	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3009	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3010
2005	(shift @$queue)->[1]->($msg);	3011	(shift @$queue)->[1]->($msg);
		3012	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3013
2007	push @{ $ns->{query_queue} }, @$queue;	3014	push @{ $ns->{query_queue} }, @$queue;
2008		3015
2009	if (@{ $ns->{query_queue} } == @$queue) {	3016	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3017	if (@$queue) {
…		…
2012	} else {	3019	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3021	}
2015	}	3022	}
2016	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($ns, $buf) = @_;
		3026
		3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3028
		3029	if (ref $msg) {
		3030	my ($type, $reply, @payload) =
		3031	"ARRAY" eq ref $msg
		3032	? @$msg
		3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3034
		3035	my @reply;
		3036
		3037	if (my $cb = $EXTICMD{$type}) {
		3038	@reply = $cb->($ns, @payload);
		3039	}
		3040
		3041	$ns->ext_reply ($reply, @reply)
		3042	if $reply;
		3043
		3044	} else {
		3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3046	}
		3047
		3048	cf::override;
		3049	},
2017	);	3050	);
2018		3051
2019	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
2020		3053
2021	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2064		3097
2065	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2066		3099
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2068		3105
2069	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2070		3107
2071	=pod	3108	=pod
2072		3109
2073	The following fucntions and emthods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2074		3111
2075	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2076	cf::object::player player	3116	cf::object::player
2077	cf::player peaceful	3117	player
2078	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2079		3124
2080	=cut	3125	=cut
2081		3126
2082	for (	3127	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2084	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2087	) {	3134	) {
2088	no strict 'refs';	3135	no strict 'refs';
…		…
2159	=back	3206	=back
2160		3207
2161	=cut	3208	=cut
2162		3209
2163	#############################################################################	3210	#############################################################################
		3211	# the server's init and main functions
2164		3212
2165	=head2 EXTENSION DATABASE SUPPORT	3213	sub load_facedata($) {
		3214	my ($path) = @_;
2166		3215
2167	Crossfire maintains a very simple database for extension use. It can	3216	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3217	# for this (global event?)
2169	excludes objects.	3218	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3219
2171	The parameter C<$family> should best start with the name of the extension	3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3221
2174	=over 4	3222	warn "loading facedata from $path\n";
2175		3223
2176	=item $hashref = cf::db_get $family	3224	my $facedata;
		3225	0 < aio_load $path, $facedata
		3226	or die "$path: $!";
2177		3227
2178	Return a hashref for use by the extension C<$family>, which can be	3228	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3229
2182	=item $value = cf::db_get $family => $key	3230	$facedata->{version} == 2
		3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3232
2184	Returns a single value from the database	3233	# patch in the exptable
2185		3234	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3235	type => FT_RSRC,
2187		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3237	};
		3238	cf::cede_to_tick;
2214		3239
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3240	{
		3241	my $faces = $facedata->{faceinfo};
2226		3242
2227	my $dirty;	3243	while (my ($face, $info) = each %$faces) {
		3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3245
2229	sub db_sync() {	3246	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3247	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3250
2234	my $idle = Event->idle (	3251	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3252	}
2268	);
2269	}
2270		3253
2271	#############################################################################	3254	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3255	next unless $info->{smooth};
2273		3256
2274	sub cfg_load {	3257	my $idx = cf::face::find $face
		3258	or next;
		3259
		3260	if (my $smooth = cf::face::find $info->{smooth}) {
		3261	cf::face::set_smooth $idx, $smooth;
		3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3263	} else {
		3264	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	{
		3272	my $anims = $facedata->{animinfo};
		3273
		3274	while (my ($anim, $info) = each %$anims) {
		3275	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3276	cf::cede_to_tick;
		3277	}
		3278
		3279	cf::anim::invalidate_all; # d'oh
		3280	}
		3281
		3282	{
		3283	# TODO: for gcfclient pleasure, we should give resources
		3284	# that gcfclient doesn't grok a >10000 face index.
		3285	my $res = $facedata->{resource};
		3286
		3287	while (my ($name, $info) = each %$res) {
		3288	if (defined $info->{type}) {
		3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3290	my $data;
		3291
		3292	if ($info->{type} & 1) {
		3293	# prepend meta info
		3294
		3295	my $meta = $enc->encode ({
		3296	name => $name,
		3297	%{ $info->{meta} || {} },
		3298	});
		3299
		3300	$data = pack "(w/a*)*", $meta, $info->{data};
		3301	} else {
		3302	$data = $info->{data};
		3303	}
		3304
		3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3306	cf::face::set_type $idx, $info->{type};
		3307	} else {
		3308	$RESOURCE{$name} = $info;
		3309	}
		3310
		3311	cf::cede_to_tick;
		3312	}
		3313	}
		3314
		3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3316
		3317	1
		3318	}
		3319
		3320	cf::global->attach (on_resource_update => sub {
		3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3323
		3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3325	my $sound = $soundconf->{compat}[$_]
		3326	or next;
		3327
		3328	my $face = cf::face::find "sound/$sound->[1]";
		3329	cf::sound::set $sound->[0] => $face;
		3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3331	}
		3332
		3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3334	my $face = cf::face::find "sound/$v";
		3335	cf::sound::set $k => $face;
		3336	}
		3337	}
		3338	});
		3339
		3340	register_exticmd fx_want => sub {
		3341	my ($ns, $want) = @_;
		3342
		3343	while (my ($k, $v) = each %$want) {
		3344	$ns->fx_want ($k, $v);
		3345	}
		3346	};
		3347
		3348	sub load_resource_file($) {
		3349	my $guard = lock_acquire "load_resource_file";
		3350
		3351	my $status = load_resource_file_ $_[0];
		3352	get_slot 0.1, 100;
		3353	cf::arch::commit_load;
		3354
		3355	$status
		3356	}
		3357
		3358	sub reload_regions {
		3359	# HACK to clear player env face cache, we need some signal framework
		3360	# for this (global event?)
		3361	%ext::player_env::MUSIC_FACE_CACHE = ();
		3362
		3363	load_resource_file "$MAPDIR/regions"
		3364	or die "unable to load regions file\n";
		3365
		3366	for (cf::region::list) {
		3367	$_->{match} = qr/$_->{match}/
		3368	if exists $_->{match};
		3369	}
		3370	}
		3371
		3372	sub reload_facedata {
		3373	load_facedata "$DATADIR/facedata"
		3374	or die "unable to load facedata\n";
		3375	}
		3376
		3377	sub reload_archetypes {
		3378	load_resource_file "$DATADIR/archetypes"
		3379	or die "unable to load archetypes\n";
		3380	}
		3381
		3382	sub reload_treasures {
		3383	load_resource_file "$DATADIR/treasures"
		3384	or die "unable to load treasurelists\n";
		3385	}
		3386
		3387	sub reload_resources {
		3388	warn "reloading resource files...\n";
		3389
		3390	reload_facedata;
		3391	reload_archetypes;
		3392	reload_regions;
		3393	reload_treasures;
		3394
		3395	warn "finished reloading resource files\n";
		3396	}
		3397
		3398	sub init {
		3399	my $guard = freeze_mainloop;
		3400
		3401	evthread_start IO::AIO::poll_fileno;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3408	or return;
2277		3409
2278	local $/;	3410	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2280		3412
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3414
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2295	sub main {	3427	sub main {
2296	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3431	(async {
2300	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2302	};	3435	};
2303		3436
2304	cfg_load;	3437	{
2305	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2306	load_extensions;	3441	load_extensions;
2307		3442
2308	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2309	Event::loop;	3446	EV::loop;
2310	}	3447	}
2311		3448
2312	#############################################################################	3449	#############################################################################
2313	# initialisation and cleanup	3450	# initialisation and cleanup
2314		3451
2315	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2316	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2325	},
2326	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2327	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2328	}	3541	}
2329		3542
2330	sub emergency_save() {	3543	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2332		3545
…		…
2338	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3557	$pl->save;
2344	}	3558	}
2345	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2346		3560
2347	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3564	$map->valid or next;
2351	$map->save;	3565	$map->save;
2352	}	3566	}
2353	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2354	};	3576	};
2355		3577
2356	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2357	}	3579	}
2358		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2359	sub reload() {	3588	sub do_reload_perl() {
2360	# can/must only be called in main	3589	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2363	return;	3592	return;
2364	}	3593	}
2365		3594
2366	warn "reloading...";	3595	warn "reloading...";
2367		3596
2368	warn "cancelling server ticker";	3597	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2372		3603
2373	eval {	3604	warn "syncing database to disk";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606
2374	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383		3608
2384	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2385	for (;;) {	3610	for (;;) {
		3611	BDB::flush;
2386	IO::AIO::flush;	3612	IO::AIO::flush;
2387	Coro::cede;	3613	Coro::cede_notself;
2388	last unless IO::AIO::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3615	warn "iterate...";
2390	}	3616	}
		3617
		3618	++$RELOAD;
2391		3619
2392	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3622	%EXT_CORO = ();
2395		3623
2396	warn "removing commands";	3624	warn "removing commands";
2397	%COMMAND = ();	3625	%COMMAND = ();
2398		3626
2399	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2401		3630
2402	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2405		3634
…		…
2435	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3666
2438	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2440		3670
2441	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3672	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2444		3674
…		…
2447	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2448	require cf;	3678	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3680
2451	warn "loading config and database again";	3681	warn "loading config and database again";
2452	cf::cfg_load;	3682	cf::reload_config;
2453	cf::db_load;
2454		3683
2455	warn "loading extensions";	3684	warn "loading extensions";
2456	cf::load_extensions;	3685	cf::load_extensions;
2457		3686
2458	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3688	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
2462		3693
2463	warn "restarting server ticker";	3694	warn "leaving sync_job";
2464		3695
2465	$TICK_WATCHER->start;	3696	1
		3697	} or do {
		3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2466	};	3700	};
2467
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473		3701
2474	warn "reloaded";	3702	warn "reloaded";
2475	};	3703	};
2476		3704
2477	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2478		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2479	register_command "reload" => sub {	3717	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2481		3719
2482	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2484		3722	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3724	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3725	};
2497	}	3726	}
2498	};	3727	};
2499		3728
2500	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2501		3730
2502	my $bug_warning = 0;	3731	my $bug_warning = 0;
2503		3732
2504	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3735
2507	prio => 0,	3736	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3738
2510	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2511	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2514	return;	3756	return;
2515	}	3757	}
2516		3758
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3760
2523	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3763	Coro::async_pool {
2526	Event::sweep;	3764	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3765	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
2561	},	3768	}
2562	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2563		3880
2564	END { cf::emergency_save }	3881	END { cf::emergency_save }
2565		3882
2566	1	3883	1
2567		3884

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