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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 2007 UTC vs.
Revision 1.433 by root, Sat May 10 22:38:52 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::EV;
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;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	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
101	every server tick.	155	every server tick.
102		156
103	=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
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	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
124	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
125	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.
126	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.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	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#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		240
151	# 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
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
…		…
159	)) {	249	)) {
160	no strict 'refs';	250	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	252	}
163		253
164	$Event::DIED = sub {	254	$EV::DIED = sub {
165	warn "error in event callback: @_";	255	warn "error in event callback: @_";
166	};	256	};
		257
		258	#############################################################################
167		259
168	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
169		261
170	=over 4	262	=over 4
171		263
…		…
190	$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;
191	$d	283	$d
192	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
193	}	285	}
194		286
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
198		288
199	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
200		290
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
209		292
210	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
211		294
212	=cut	295	=cut
213		296
214	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
216	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
218		301
219	=item cf::lock_wait $string	302	=item cf::lock_wait $string
220		303
221	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
222		305
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
228	returned.	311	returned.
229		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
230	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
231	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
232		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
233	=cut	323	=cut
234		324
235	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
236		327
237	sub lock_wait($) {	328	sub lock_wait($) {
238	my ($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#
239		335
240	# wait for lock, if any	336	# wait for lock, if any
241	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	339	Coro::schedule;
…		…
249		345
250	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
251	lock_wait $key;	347	lock_wait $key;
252		348
253	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
254		351
255	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
258	}	356	}
259	}	357	}
260		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
261	sub freeze_mainloop {	365	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
263		367
264	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	369	}
266	$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($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
267	};	429	}
268	$WRITE_RUNTIME_WATCHER->stop;	430	};
269	$TICK_WATCHER->stop;	431
270	$guard	432	sub get_slot($;$$) {
		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	$sig->wait;
271	}	444	}
272		445
273	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
274		447
275	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		453
281	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
282		455
283	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
284		457
285	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
288		462
289	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
292	fast or be very important.	466	fast or be very important.
…		…
295		469
296	sub sync_job(&) {	470	sub sync_job(&) {
297	my ($job) = @_;	471	my ($job) = @_;
298		472
299	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
300	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
302		478
303	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	480
305	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
306		482
307	my $busy = 1;	483	my $busy = 1;
308	my @res;	484	my @res;
309		485
310	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	488	@res = eval { $job->() };
312	warn $@ if $@;	489	warn $@ if $@;
313	undef $busy;	490	undef $busy;
314	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
315		492
316	while ($busy) {	493	while ($busy) {
317	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
318	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
319		504
320	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
321	} else {	506	} else {
322	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
323		508
…		…
343	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
344		529
345	$coro	530	$coro
346	}	531	}
347		532
348	sub write_runtime {	533	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		534
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
352	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.
353		539
354	my $value = $cf::RUNTIME + 90 + 10;	540	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		541
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	sub fork_call(&@) {
359	and return;	543	my ($cb, @args) = @_;
360		544
361	aio_fsync $fh	545	# we seemingly have to make a local copy of the whole thing,
362	and return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
363		548
364	close $fh	549	my @res = Coro::Util::fork_eval {
365	or return;	550	reset_signals;
		551	&$cb
		552	}, @args;
366		553
367	aio_rename "$runtime~", $runtime	554	wantarray ? @res : $res[-1]
368	and return;	555	}
369		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($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
370	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		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 });
371	}	720	}
372		721
373	=back	722	=back
374		723
375	=cut	724	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
384		733
385	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>
386	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
387	crossfire+).	736	Deliantra).
388		737
389	=over 4	738	=over 4
390		739
391	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
392		741
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
556		905
557	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		910
562	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	912	my $pkg = shift @arg;
564		913
565	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
595	}	944	}
596		945
597	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
598	} else {	947	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	949	}
601		950
602	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
603	}	952	}
604		953
…		…
606	if (ref $_[0]) {	955	if (ref $_[0]) {
607	_object_attach @_;	956	_object_attach @_;
608	} else {	957	} else {
609	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
610	}	959	}
		960	_recalc_want;
611	};	961	};
612		962
613	# all those should be optimised	963	# all those should be optimised
614	sub cf::attachable::detach {	964	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
619	reattach ($obj);	969	reattach ($obj);
620	} else {	970	} else {
621	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
622	}	972	}
		973	_recalc_want;
623	};	974	};
624		975
625	sub cf::attachable::attached {	976	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
627		978
…		…
642	";	993	";
643	die if $@;	994	die if $@;
644	}	995	}
645		996
646	our $override;	997	our $override;
647	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?
648		999
649	sub override {	1000	sub override {
650	$override = 1;	1001	$override = 1;
651	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
652	}	1003	}
653		1004
654	sub do_invoke {	1005	sub do_invoke {
655	my $event = shift;	1006	my $event = shift;
656	my $callbacks = shift;	1007	my $callbacks = shift;
657		1008
658	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
659		1010
660	local $override;	1011	local $override;
661		1012
662	for (@$callbacks) {	1013	for (@$callbacks) {
663	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
672	}	1023	}
673		1024
674	0	1025	0
675	}	1026	}
676		1027
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1029
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
682		1033
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1037
687	=back	1038	=back
688		1039
689	=cut	1040	=cut
690		1041
691	#############################################################################	1042	#############################################################################
692	# 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, $ob2
		1085	}
693		1086
694	sub reattach {	1087	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1089	my ($obj) = @_;
697		1090
…		…
718	cf::attachable->attach (	1111	cf::attachable->attach (
719	prio => -1000000,	1112	prio => -1000000,
720	on_instantiate => sub {	1113	on_instantiate => sub {
721	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
722		1115
723	$data = from_json $data;	1116	$data = decode_json $data;
724		1117
725	for (@$data) {	1118	for (@$data) {
726	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
727		1120
728	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1137	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
746		1139
747	sync_job {	1140	sync_job {
748	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
751		1145
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1150	aio_close $fh;
757		1151
758	if (@$objs) {	1152	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1158	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
766	}	1160	}
767	} else {	1161	} else {
768	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
769	}	1163	}
…		…
774	}	1168	}
775	} else {	1169	} else {
776	aio_unlink $filename;	1170	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
778	}	1172	}
779	}	1173	};
780	}	1174	}
781		1175
782	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
784		1178
…		…
796	or return;	1190	or return;
797		1191
798	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
800	or return;	1194	or return;
		1195
801	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
802	}	1198	}
803		1199
		1200	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
806	return ($data, $av);	1204	($data, $av)
807	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
808		1212
809	#############################################################################	1213	#############################################################################
810	# command handling &c	1214	# command handling &c
811		1215
812	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1230	}
827		1231
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1233
830	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.
831		1239
832	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
833	called.	1241	called.
834		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
835	=cut	1254	=cut
836		1255
837	sub register_extcmd {	1256	sub register_extcmd {
838	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
839		1258
840	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
841	}	1266	}
842		1267
843	cf::player->attach (	1268	cf::player->attach (
844	on_command => sub {	1269	on_command => sub {
845	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1279	cf::override;
855	},	1280	},
856	on_extcmd => sub {	1281	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
858		1283
859	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1285
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
867	} else {	1301	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1303	}
870		1304
871	cf::override;	1305	cf::override;
872	},	1306	},
873	);	1307	);
874		1308
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
910	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1314	next unless -r $path;
912	eval {	1315
913	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	$progress = 1;
914	1	1372	}
915	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
916	}	1378	};
917	}	1379	}
918		1380
919	#############################################################################	1381	#############################################################################
920		1382
		1383	=back
		1384
921	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
922		1386
923	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
924		1388
925	=cut	1389	=cut
…		…
930		1394
931	=head3 cf::player	1395	=head3 cf::player
932		1396
933	=over 4	1397	=over 4
934		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
935	=item cf::player::find $login	1413	=item cf::player::find $login
936		1414
937	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
938		1416
939	=cut	1417	=cut
940		1418
941	sub playerdir($) {	1419	sub playerdir($) {
942	cf::localdir	1420	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1422	}
948		1423
949	sub path($) {	1424	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1426
952	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
953	}	1428	}
954		1429
955	sub find_active($) {	1430	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1445	my $login = $_[0];
971		1446
972	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
973		1448
974	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
978	}	1466	}
979	}	1467	}
980	}	1468	}
981		1469
…		…
990	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
991		1479
992	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
994		1482
		1483	cf::get_slot 0.01;
		1484
995	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
996	Coro::cede;	1486	cf::cede_to_tick;
997	}	1487	}
998		1488
999	sub new($) {	1489	sub new($) {
1000	my ($login) = @_;	1490	my ($login) = @_;
1001		1491
…		…
1007	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1008		1498
1009	$self	1499	$self
1010	}	1500	}
1011		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
1012	=item $pl->quit_character	1512	=item $pl->quit_character
1013		1513
1014	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1016		1516
1017	=cut	1517	=cut
1018		1518
1019	sub quit_character {	1519	sub quit_character {
1020	my ($pl) = @_;	1520	my ($pl) = @_;
1021		1521
		1522	my $name = $pl->ob->name;
		1523
1022	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1023	$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
1024		1526
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1029		1533
1030	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1560	}
1037		1561
1038	=item cf::player::list_logins	1562	=item cf::player::list_logins
1039		1563
1040	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
1041	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1042		1566
1043	=cut	1567	=cut
1044		1568
1045	sub list_logins {	1569	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1571	or return [];
1048		1572
1049	my @logins;	1573	my @logins;
1050		1574
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1055		1585
1056	utf8::decode $login;	1586	utf8::decode $login;
1057	push @logins, $login;	1587	push @logins, $login;
1058	}	1588	}
1059		1589
…		…
1067		1597
1068	=cut	1598	=cut
1069		1599
1070	sub maps($) {	1600	sub maps($) {
1071	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1604
1073	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1074	or return;	1606	or return;
1075		1607
1076	my @paths;	1608	my @paths;
…		…
1078	for (@$files) {	1610	for (@$files) {
1079	utf8::decode $_;	1611	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1082		1614
1083	s/\.map$//;	1615	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1616	}
1086		1617
1087	\@paths	1618	\@paths
1088	}	1619	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1091		1715
1092	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1093		1717
1094	=cut	1718	=cut
1095		1719
1096	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1098		1722
1099	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1724	}
1103		1725
1104	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	}
1105		1766
1106	=back	1767	=back
1107
1108		1768
1109	=head3 cf::map	1769	=head3 cf::map
1110		1770
1111	=over 4	1771	=over 4
1112		1772
…		…
1124	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1126		1786
1127	sub generate_random_map {	1787	sub generate_random_map {
1128	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
1129	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1793	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1168		1831
1169	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1170	local $self->{path};	1833	local $self->{path};
1171	local $self->{load_path};	1834	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1835
1175	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1176	}	1837	}
1177		1838
1178	sub normalise {	1839	sub normalise {
1179	my ($path, $base) = @_;	1840	my ($path, $base) = @_;
1180		1841
1181	$path = "$path"; # make sure its a string	1842	$path = "$path"; # make sure its a string
		1843
		1844	$path =~ s/\.map$//;
1182		1845
1183	# map plan:	1846	# map plan:
1184	#	1847	#
1185	# /! non-realised random map exit (special hack!)	1848	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1849	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1224	return $self;	1887	return $self;
1225	}	1888	}
1226	}	1889	}
1227		1890
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1892	()
1230	}	1893	}
1231		1894
1232	sub init {	1895	sub init {
1233	my ($self) = @_;	1896	my ($self) = @_;
…		…
1248		1911
1249	# the original (read-only) location	1912	# the original (read-only) location
1250	sub load_path {	1913	sub load_path {
1251	my ($self) = @_;	1914	my ($self) = @_;
1252		1915
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1254	}	1917	}
1255		1918
1256	# the temporary/swap location	1919	# the temporary/swap location
1257	sub save_path {	1920	sub save_path {
1258	my ($self) = @_;	1921	my ($self) = @_;
1259		1922
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1262	}	1925	}
1263		1926
1264	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1265	sub uniq_path {	1928	sub uniq_path {
1266	my ($self) = @_;	1929	my ($self) = @_;
1267		1930
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1270	}	1933	}
1271		1934
1272	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1273	# all maps in C++...	1936	# all maps in C++...
1274	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1276		1939
1277	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1279	}	1942	}
1280		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1281	sub unlink_save {	1952	sub unlink_save {
1282	my ($self) = @_;	1953	my ($self) = @_;
1283		1954
1284	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1959
1289	sub load_header_from($) {	1960	sub load_header_from($) {
1290	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1291		1962
1292	utf8::encode $path;	1963	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1294	or return;	1965	or return;
1295		1966
1296	$self->_load_header ($path)	1967	$self->_load_header ($f)
1297	or return;	1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1298		1972
1299	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1300		1974
1301	1	1975	1
1302	}	1976	}
…		…
1341	$self->load_header_orig	2015	$self->load_header_orig
1342	or return;	2016	or return;
1343	$self->prepare_orig;	2017	$self->prepare_orig;
1344	}	2018	}
1345		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
1346	1	2026	1
1347	}	2027	}
1348		2028
1349	sub find;	2029	sub find;
1350	sub find {	2030	sub find {
1351	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1352		2032
1353	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1354		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1356		2037
1357	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1359	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1360	or return;	2043	or return;
1361		2044
1362	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1363		2046
1364	$map->load_header	2047	$map->load_header
1365	or return;	2048	or return;
1366		2049
1367	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1370	$map->reset;	2055	$map->reset;
1371	undef $guard;
1372	return find $path;	2056	return find $path;
1373	}	2057	}
1374		2058
1375	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1376	}	2060	}
…		…
1380	sub post_load { }	2064	sub post_load { }
1381		2065
1382	sub load {	2066	sub load {
1383	my ($self) = @_;	2067	my ($self) = @_;
1384		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1385	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1387		2075
		2076	return unless $self->valid;
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1389		2078
1390	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1391		2080
1392	$self->alloc;	2081	$self->alloc;
1393		2082
1394	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1395		2085
1396	$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)
1397	or return;	2089	or return;
1398		2090
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};	2092	if delete $self->{load_original};
1401		2093
1402	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2095	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2098	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1407	}	2102	}
1408	}	2103	}
1409		2104
1410	Coro::cede;	2105	$f->resolve_delayed_derefs;
1411		2106
		2107	cf::cede_to_tick;
1412	# now do the right thing for maps	2108	# now do the right thing for maps
1413	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2111	unless $self->difficulty;
1423	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;
1424	$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);
1425	}	2128	}
1426		2129
1427	$self->post_load;	2130	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	2131	}
1431		2132
1432	sub customise_for {	2133	sub customise_for {
1433	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1434		2135
1435	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2137	if $self->per_player;
1437		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1438	$self	2142	$self
1439	}	2143	}
1440		2144
1441	# 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
1442	sub load_diag {	2146	sub load_neighbours {
1443	my ($map) = @_;	2147	my ($map) = @_;
1444		2148
1445	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1446		2150
1447	for (0 .. 3) {	2151	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1449	or next;	2153	or next;
1450	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1451	or next;	2155	or next;
1452	$neigh->load;	2156	$neigh->load;
1453		2157
		2158	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2161	}
1457		2162
1458	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1460	or next;	2166	or next;
1461	$neigh->load;	2167	$neigh->load;
1462	}	2168	}
1463	}	2169	}
1464		2170
…		…
1469	}	2175	}
1470		2176
1471	sub do_load_sync {	2177	sub do_load_sync {
1472	my ($map) = @_;	2178	my ($map) = @_;
1473		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1474	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1475	}	2184	}
1476		2185
1477	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1479		2188
1480	sub find_async {	2189	sub find_async {
1481	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1482		2191
1483	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1484		2193
1485	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1487	}	2196	}
1488		2197
1489	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1490	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1491	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2205	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2206	$map->load if $v;
		2207	}
1496		2208
1497	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1498	}	2210	}
1499	}	2211	}
1500	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1501	};	2213	};
1502	$MAP_PREFETCHER->prio (6);	2214	$MAP_PREFETCHER->prio (6);
…		…
1505	}	2217	}
1506		2218
1507	sub save {	2219	sub save {
1508	my ($self) = @_;	2220	my ($self) = @_;
1509		2221
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2223
1512	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1513		2225
1514	return unless $self->dirty;	2226	return unless $self->dirty;
1515		2227
…		…
1521	return if $self->{deny_save};	2233	return if $self->{deny_save};
1522		2234
1523	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1524		2236
1525	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1527	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1528		2243
1529	if ($uniq) {	2244	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2247	} else {
…		…
1538	my ($self) = @_;	2253	my ($self) = @_;
1539		2254
1540	# save first because save cedes	2255	# save first because save cedes
1541	$self->save;	2256	$self->save;
1542		2257
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2259
1545	return if $self->players;	2260	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1547	return if $self->{deny_save};	2262	return if $self->{deny_save};
1548		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1549	$self->clear;	2268	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2269	}
1552		2270
1553	sub reset_at {	2271	sub reset_at {
1554	my ($self) = @_;	2272	my ($self) = @_;
1555		2273
1556	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1559		2276
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	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;
1562		2279
…		…
1573	my ($self) = @_;	2290	my ($self) = @_;
1574		2291
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2293
1577	return if $self->players;	2294	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2295
1580	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	}
1581		2307
1582	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1583		2309
1584	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2312	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2313
1589	$self->unlink_save;	2314	$self->unlink_save;
1590	$self->destroy;	2315	$self->destroy;
1591	}	2316	}
1592		2317
1593	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1594		2319
1595	sub nuke {	2320	sub nuke {
1596	my ($self) = @_;	2321	my ($self) = @_;
1597		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1598	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1599		2327
1600	$self->unlink_save;	2328	$self->unlink_save;
1601		2329
1602	bless $self, "cf::map";	2330	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2335
1608	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1609		2338
1610	$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	]
1611	}	2376	}
1612		2377
1613	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1614		2379
1615	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2381	instantiated unique items. May block.
1617		2382
1618	=cut	2383	=cut
1619		2384
1620	sub unique_maps() {	2385	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1622	or return;	2387	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2388	utf8::decode $_;
1628	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2391	? ()
1631	s/\.map$//;	2392	: normalise $_
1632	push @paths, $_;	2393	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2394	]
1634
1635	\@paths
1636	}	2395	}
1637
1638	package cf;
1639		2396
1640	=back	2397	=back
1641		2398
1642	=head3 cf::object	2399	=head3 cf::object
1643		2400
…		…
1647		2404
1648	=over 4	2405	=over 4
1649		2406
1650	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1651		2408
1652	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.
1653		2411
1654	=cut	2412	=cut
1655		2413
1656	sub inv_recursive_;	2414	sub inv_recursive_;
1657	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1660		2418
1661	sub inv_recursive {	2419	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1663	}	2421	}
1664		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
1665	package cf;	2451	package cf;
1666		2452
1667	=back	2453	=back
1668		2454
1669	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1675	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>
1676	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
1677	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1678		2464
1679	=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	};
1680		2480
1681	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2482	# with dialog boxes.
1683	#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
1684	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1686		2486
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2488
1689	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1694	}	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 (@_);
1695	}	2514	}
1696		2515
1697	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1698		2517
1699	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1731	=cut	2550	=cut
1732		2551
1733	sub link_map {	2552	sub link_map {
1734	unless ($LINK_MAP) {	2553	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2554	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2555	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2556	$LINK_MAP->load;
1738	}	2557	}
1739		2558
1740	$LINK_MAP	2559	$LINK_MAP
1741	}	2560	}
…		…
1746	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1747		2566
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2568
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1752		2571
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2573	}
1755		2574
1756	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1758		2579
1759	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1760		2581
1761	unless ($map) {	2582	unless ($map) {
1762	# restore original map position	2583	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1779		2600
1780	$map->load;	2601	$map->load;
1781	$map->load_diag;	2602	$map->load_neighbours;
1782		2603
1783	return unless $self->contr->active;	2604	return unless $self->contr->active;
1784	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1786	}	2609	}
1787		2610
1788	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2612
1792	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1796	};	2617	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2618
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2619	=cut
		2620
		2621	our $GOTOGEN;
1823		2622
1824	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1825	my ($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;
1826		2628
1827	$self->enter_link;	2629	$self->enter_link;
1828		2630
1829	(async {	2631	(async {
1830	my $map = cf::map::find $path;	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
		2653	my $map = eval {
		2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
1832		2658	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2659	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
1837		2662
		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 $@;
		2669	}
		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1839	})->prio (1);	2677	})->prio (1);
1840	}	2678	}
1841		2679
1842	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
1843		2681
…		…
1863	}	2701	}
1864		2702
1865	sub prepare_random_map {	2703	sub prepare_random_map {
1866	my ($exit) = @_;	2704	my ($exit) = @_;
1867		2705
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2708	# that depends on the exit object
1873		2709
1874	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
1875		2711
1876	if ($exit->map) {	2712	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2713	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
1881	}	2719	}
1882		2720
1883	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
1884		2722
1885	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
1888		2726
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2729	undef $fh;
1892	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
1893		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
1896	}	2738	}
1897	}	2739	}
1898		2740
1899	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
1903		2745
1904	$self->enter_link;	2746	$self->enter_link;
1905		2747
1906	(async {	2748	(async {
1907	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
1908	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
1909	prepare_random_map $exit	2758	prepare_random_map $exit
1910	if $exit->slaying eq "/!";	2759	if $exit->slaying eq "/!";
		2760	}
1911		2761
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
1914		2765
		2766	$self->goto ($map, $x, $y);
		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
1915	1;	2772	1
1916	}) {	2773	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
1918	. "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. "
1919	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2778
1922	warn "ERROR in enter_exit: $@";	2779	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2780	$self->leave_link;
1924	}	2781	}
1925	})->prio (1);	2782	})->prio (1);
…		…
1938		2795
1939	sub cf::client::send_drawinfo {	2796	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2797	my ($self, $text, $flags) = @_;
1941		2798
1942	utf8::encode $text;	2799	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2801	}
1945		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	}
1946		2967
1947	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
1948		2969
1949	Queues a query to the client, calling the given callback with	2970	Queues a query to the client, calling the given callback with
1950	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>,
1951	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>.
1952		2973
1953	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
1954	reliable at some point in the future.	2975	become reliable at some point in the future.
1955		2976
1956	=cut	2977	=cut
1957		2978
1958	sub cf::client::query {	2979	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2988	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2990
1970	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
1972	}	2995	}
1973		2996
1974	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
1975	on_reply => sub {	3003	on_reply => sub {
1976	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
1977		3005
1978	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
1979	# get handled first	3007	# get handled first
1980	my $queue = delete $ns->{query_queue}	3008	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	3009	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		3010
1983	(shift @$queue)->[1]->($msg);	3011	(shift @$queue)->[1]->($msg);
		3012	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3013
1985	push @{ $ns->{query_queue} }, @$queue;	3014	push @{ $ns->{query_queue} }, @$queue;
1986		3015
1987	if (@{ $ns->{query_queue} } == @$queue) {	3016	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3017	if (@$queue) {
…		…
1990	} else {	3019	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3021	}
1993	}	3022	}
1994	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($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	},
1995	);	3050	);
1996		3051
1997	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
1998		3053
1999	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2042		3097
2043	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2044		3099
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2046		3105
2047	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2048		3107
2049	=pod	3108	=pod
2050		3109
2051	The following fucntions and emthods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2052		3111
2053	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2054	cf::object::player player	3116	cf::object::player
2055	cf::player peaceful	3117	player
2056	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2057		3124
2058	=cut	3125	=cut
2059		3126
2060	for (	3127	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2062	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2064	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2065	) {	3134	) {
2066	no strict 'refs';	3135	no strict 'refs';
…		…
2137	=back	3206	=back
2138		3207
2139	=cut	3208	=cut
2140		3209
2141	#############################################################################	3210	#############################################################################
		3211	# the server's init and main functions
2142		3212
2143	=head2 EXTENSION DATABASE SUPPORT	3213	sub load_facedata($) {
		3214	my ($path) = @_;
2144		3215
2145	Crossfire maintains a very simple database for extension use. It can	3216	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3217	# for this (global event?)
2147	excludes objects.	3218	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3219
2149	The parameter C<$family> should best start with the name of the extension	3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3221
2152	=over 4	3222	warn "loading facedata from $path\n";
2153		3223
2154	=item $hashref = cf::db_get $family	3224	my $facedata;
		3225	0 < aio_load $path, $facedata
		3226	or die "$path: $!";
2155		3227
2156	Return a hashref for use by the extension C<$family>, which can be	3228	$facedata = Coro::Storable::thaw $facedata;
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159		3229
2160	=item $value = cf::db_get $family => $key	3230	$facedata->{version} == 2
		3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
2161		3232
2162	Returns a single value from the database	3233	# patch in the exptable
2163		3234	$facedata->{resource}{"res/exp_table"} = {
2164	=item cf::db_put $family => $hashref	3235	type => FT_RSRC,
2165		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3237	};
		3238	cf::cede_to_tick;
2192		3239
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3240	{
		3241	my $faces = $facedata->{faceinfo};
2204		3242
2205	my $dirty;	3243	while (my ($face, $info) = each %$faces) {
		3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3245
2207	sub db_sync() {	3246	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3247	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	}	3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		3250
2212	my $idle = Event->idle (	3251	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3252	}
2246	);
2247	}
2248		3253
2249	#############################################################################	3254	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3255	next unless $info->{smooth};
2251		3256
2252	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	reload_resources;
		3402	}
		3403
		3404	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3405	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3406	or return;
2255		3407
2256	local $/;	3408	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3409	*CFG = YAML::Load <$fh>;
2258		3410
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3411	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3412
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3413	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3414	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2273	sub main {	3425	sub main {
2274	# we must not ever block the main coroutine	3426	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3427	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3428	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3429	(async {
2278	Event::one_event;	3430	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3431	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3432	})->prio (Coro::PRIO_MAX);
2280	};	3433	};
2281		3434
2282	cfg_load;	3435	{
2283	db_load;	3436	my $guard = freeze_mainloop;
		3437	reload_config;
		3438	db_init;
2284	load_extensions;	3439	load_extensions;
2285		3440
2286	$TICK_WATCHER->start;	3441	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3442	evthread_start IO::AIO::poll_fileno;
		3443	}
		3444
2287	Event::loop;	3445	EV::loop;
2288	}	3446	}
2289		3447
2290	#############################################################################	3448	#############################################################################
2291	# initialisation and cleanup	3449	# initialisation and cleanup
2292		3450
2293	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
2294	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3456	cf::cleanup "SIG$signal";
2303	},
2304	);	3457	};
		3458	}
		3459	}
		3460
		3461	sub write_runtime_sync {
		3462	my $runtime = "$LOCALDIR/runtime";
		3463
		3464	# first touch the runtime file to show we are still running:
		3465	# the fsync below can take a very very long time.
		3466
		3467	IO::AIO::aio_utime $runtime, undef, undef;
		3468
		3469	my $guard = cf::lock_acquire "write_runtime";
		3470
		3471	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = $cf::RUNTIME + 90 + 10;
		3475	# 10 is the runtime save interval, for a monotonic clock
		3476	# 60 allows for the watchdog to kill the server.
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	# touch it again to show we are up-to-date
		3486	aio_utime $fh, undef, undef;
		3487
		3488	close $fh
		3489	or return;
		3490
		3491	aio_rename "$runtime~", $runtime
		3492	and return;
		3493
		3494	warn "runtime file written.\n";
		3495
2305	}	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3514	$uuid_skip = 0;
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	close $fh
		3524	or return;
		3525
		3526	aio_rename "$uuid~", $uuid
		3527	and return;
		3528
		3529	warn "uuid file written ($value).\n";
		3530
		3531	1
		3532
		3533	}
		3534
		3535	sub write_uuid($$) {
		3536	my ($skip, $sync) = @_;
		3537
		3538	$sync ? write_uuid_sync $skip
		3539	: async { write_uuid_sync $skip };
2306	}	3540	}
2307		3541
2308	sub emergency_save() {	3542	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3543	my $freeze_guard = cf::freeze_mainloop;
2310		3544
…		…
2316	# and maps saved/destroyed asynchronously.	3550	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3551	warn "begin emergency player save\n";
2318	for my $login (keys %cf::PLAYER) {	3552	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3553	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3554	$pl->valid or next;
		3555	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3556	$pl->save;
2322	}	3557	}
2323	warn "end emergency player save\n";	3558	warn "end emergency player save\n";
2324		3559
2325	warn "begin emergency map save\n";	3560	warn "begin emergency map save\n";
…		…
2327	my $map = $cf::MAP{$path} or next;	3562	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3563	$map->valid or next;
2329	$map->save;	3564	$map->save;
2330	}	3565	}
2331	warn "end emergency map save\n";	3566	warn "end emergency map save\n";
		3567
		3568	warn "begin emergency database checkpoint\n";
		3569	BDB::db_env_txn_checkpoint $DB_ENV;
		3570	warn "end emergency database checkpoint\n";
		3571
		3572	warn "begin write uuid\n";
		3573	write_uuid_sync 1;
		3574	warn "end write uuid\n";
2332	};	3575	};
2333		3576
2334	warn "leave emergency perl save\n";	3577	warn "leave emergency perl save\n";
2335	}	3578	}
2336		3579
		3580	sub post_cleanup {
		3581	my ($make_core) = @_;
		3582
		3583	warn Carp::longmess "post_cleanup backtrace"
		3584	if $make_core;
		3585	}
		3586
2337	sub reload() {	3587	sub do_reload_perl() {
2338	# can/must only be called in main	3588	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3589	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	3590	warn "can only reload from main coroutine";
2341	return;	3591	return;
2342	}	3592	}
2343		3593
2344	warn "reloading...";	3594	warn "reloading...";
2345		3595
2346	warn "cancelling server ticker";	3596	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		3597
		3598	cf::sync_job {
		3599	cf::write_runtime_sync; # external watchdog should not bark
2349	cf::emergency_save;	3600	cf::emergency_save;
		3601	cf::write_runtime_sync; # external watchdog should not bark
2350		3602
2351	eval {	3603	warn "syncing database to disk";
		3604	BDB::db_env_txn_checkpoint $DB_ENV;
		3605
2352	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361		3607
2362	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2363	for (;;) {	3609	for (;;) {
		3610	BDB::flush;
2364	IO::AIO::flush;	3611	IO::AIO::flush;
2365	Coro::cede;	3612	Coro::cede_notself;
2366	last unless IO::AIO::nreqs;	3613	last unless IO::AIO::nreqs || BDB::nreqs;
2367	warn "iterate...";	3614	warn "iterate...";
2368	}	3615	}
		3616
		3617	++$RELOAD;
2369		3618
2370	warn "cancelling all extension coros";	3619	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3620	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3621	%EXT_CORO = ();
2373		3622
2374	warn "removing commands";	3623	warn "removing commands";
2375	%COMMAND = ();	3624	%COMMAND = ();
2376		3625
2377	warn "removing ext commands";	3626	warn "removing ext/exti commands";
2378	%EXTCMD = ();	3627	%EXTCMD = ();
		3628	%EXTICMD = ();
2379		3629
2380	warn "unloading/nuking all extensions";	3630	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	3631	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	3632	warn "... unloading $pkg";
2383		3633
…		…
2413	Symbol::delete_package "safe::$_"	3663	Symbol::delete_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		3665
2416	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2418		3669
2419	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2420	# and global variables created in xs	3671	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	3672	#Symbol::delete_package __PACKAGE__;
2422		3673
…		…
2425	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2426	require cf;	3677	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		3679
2429	warn "loading config and database again";	3680	warn "loading config and database again";
2430	cf::cfg_load;	3681	cf::reload_config;
2431	cf::db_load;
2432		3682
2433	warn "loading extensions";	3683	warn "loading extensions";
2434	cf::load_extensions;	3684	cf::load_extensions;
2435		3685
2436	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2437	_global_reattach;	3687	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
		3690	warn "reattaching attachments to players";
		3691	reattach $_ for values %PLAYER;
2440		3692
2441	warn "restarting server ticker";	3693	warn "leaving sync_job";
2442		3694
2443	$TICK_WATCHER->start;	3695	1
		3696	} or do {
		3697	warn $@;
		3698	cf::cleanup "error while reloading, exiting.";
2444	};	3699	};
2445
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451		3700
2452	warn "reloaded";	3701	warn "reloaded";
2453	};	3702	};
2454		3703
2455	our $RELOAD_WATCHER; # used only during reload	3704	our $RELOAD_WATCHER; # used only during reload
2456		3705
		3706	sub reload_perl() {
		3707	# doing reload synchronously and two reloads happen back-to-back,
		3708	# coro crashes during coro_state_free->destroy here.
		3709
		3710	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3711	do_reload_perl;
		3712	undef $RELOAD_WATCHER;
		3713	};
		3714	}
		3715
2457	register_command "reload" => sub {	3716	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3717	my ($who, $arg) = @_;
2459		3718
2460	if ($who->flag (FLAG_WIZ)) {	3719	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3720	$who->message ("reloading server.");
2462		3721	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	3722	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	3723	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	3724	};
2475	}	3725	}
2476	};	3726	};
2477		3727
2478	unshift @INC, $LIBDIR;	3728	unshift @INC, $LIBDIR;
2479		3729
2480	my $bug_warning = 0;	3730	my $bug_warning = 0;
2481		3731
2482	$TICK_WATCHER = Event->timer (	3732	our @WAIT_FOR_TICK;
2483	reentrant => 0,	3733	our @WAIT_FOR_TICK_BEGIN;
2484	parked => 1,	3734
2485	prio => 0,	3735	sub wait_for_tick {
2486	at => $NEXT_TICK || $TICK,	3736	return if tick_inhibit || $Coro::current == $Coro::main;
2487	data => WF_AUTOCANCEL,	3737
2488	cb => sub {	3738	my $signal = new Coro::Signal;
		3739	push @WAIT_FOR_TICK, $signal;
		3740	$signal->wait;
		3741	}
		3742
		3743	sub wait_for_tick_begin {
		3744	return if tick_inhibit || $Coro::current == $Coro::main;
		3745
		3746	my $signal = new Coro::Signal;
		3747	push @WAIT_FOR_TICK_BEGIN, $signal;
		3748	$signal->wait;
		3749	}
		3750
		3751	sub tick {
2489	if ($Coro::current != $Coro::main) {	3752	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3753	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3754	unless ++$bug_warning > 10;
2492	return;	3755	return;
2493	}	3756	}
2494		3757
2495	$NOW = Event::time;
2496
2497	cf::server_tick; # one server iteration	3758	cf::server_tick; # one server iteration
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500		3759
2501	$WAIT_FOR_TICK->broadcast;	3760	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3761	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2503		3762	Coro::async_pool {
2504	Event::sweep;	3763	$Coro::current->{desc} = "runtime saver";
2505	Coro::cede_notself;
2506
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},
2516	);
2517
2518	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529
2530	$WRITE_RUNTIME_WATCHER = Event->timer (
2531	reentrant => 0,
2532	data => WF_AUTOCANCEL,
2533	after => 1,
2534	interval => 10,
2535	prio => 6, # keep it lowest so it acts like a watchdog
2536	cb => Coro::unblock_sub {
2537	write_runtime	3764	write_runtime_sync
2538	or warn "ERROR: unable to write runtime file: $!";	3765	or warn "ERROR: unable to write runtime file: $!";
		3766	};
2539	},	3767	}
2540	);	3768
		3769	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3770	$sig->send;
		3771	}
		3772	while (my $sig = shift @WAIT_FOR_TICK) {
		3773	$sig->send;
		3774	}
		3775
		3776	$LOAD = ($NOW - $TICK_START) / $TICK;
		3777	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3778
		3779	if (0) {
		3780	if ($NEXT_TICK) {
		3781	my $jitter = $TICK_START - $NEXT_TICK;
		3782	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3783	warn "jitter $JITTER\n";#d#
		3784	}
		3785	}
		3786	}
		3787
		3788	{
		3789	# configure BDB
		3790
		3791	BDB::min_parallel 8;
		3792	BDB::max_poll_reqs $TICK * 0.1;
		3793	$AnyEvent::BDB::WATCHER->priority (1);
		3794
		3795	unless ($DB_ENV) {
		3796	$DB_ENV = BDB::db_env_create;
		3797	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3798	| BDB::LOG_AUTOREMOVE, 1);
		3799	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3800	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3801
		3802	cf::sync_job {
		3803	eval {
		3804	BDB::db_env_open
		3805	$DB_ENV,
		3806	$BDBDIR,
		3807	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3808	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3809	0666;
		3810
		3811	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3812	};
		3813
		3814	cf::cleanup "db_env_open(db): $@" if $@;
		3815	};
		3816	}
		3817
		3818	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3819	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3820	};
		3821	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3822	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3823	};
		3824	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3825	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3826	};
		3827	}
		3828
		3829	{
		3830	# configure IO::AIO
		3831
		3832	IO::AIO::min_parallel 8;
		3833	IO::AIO::max_poll_time $TICK * 0.1;
		3834	$AnyEvent::AIO::WATCHER->priority (1);
		3835	}
		3836
		3837	my $_log_backtrace;
		3838
		3839	sub _log_backtrace {
		3840	my ($msg, @addr) = @_;
		3841
		3842	$msg =~ s/\n//;
		3843
		3844	# limit the # of concurrent backtraces
		3845	if ($_log_backtrace < 2) {
		3846	++$_log_backtrace;
		3847	async {
		3848	$Coro::current->{desc} = "abt $msg";
		3849
		3850	my @bt = fork_call {
		3851	@addr = map { sprintf "%x", $_ } @addr;
		3852	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3853	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3854	or die "addr2line: $!";
		3855
		3856	my @funcs;
		3857	my @res = <$fh>;
		3858	chomp for @res;
		3859	while (@res) {
		3860	my ($func, $line) = splice @res, 0, 2, ();
		3861	push @funcs, "[$func] $line";
		3862	}
		3863
		3864	@funcs
		3865	};
		3866
		3867	LOG llevInfo, "[ABT] $msg\n";
		3868	LOG llevInfo, "[ABT] $_\n" for @bt;
		3869	--$_log_backtrace;
		3870	};
		3871	} else {
		3872	LOG llevInfo, "[ABT] $msg\n";
		3873	LOG llevInfo, "[ABT] [suppressed]\n";
		3874	}
		3875	}
		3876
		3877	# load additional modules
		3878	use cf::pod;
2541		3879
2542	END { cf::emergency_save }	3880	END { cf::emergency_save }
2543		3881
2544	1	3882	1
2545		3883

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