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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.423 by root, Sun Apr 20 00:44:13 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 3.2;
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 3.4 ();	36	use Coro 4.50 ();
		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;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	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		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	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		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	154	every server tick.
102		155
103	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	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	191	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	192	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.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		239
151	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	Wait until the given lock is available and then acquires it and returns	307	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,	308	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	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
353		538
354	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		540
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
362	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	close $fh	548	my @res = Coro::Util::fork_eval {
365	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
367	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
368	and return;	554	}
369		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
370	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	719	}
372		720
373	=back	721	=back
374		722
375	=cut	723	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
384		732
385	In the following description, CLASS can be any of C<global>, C<object>	733	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	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	735	Deliantra).
388		736
389	=over 4	737	=over 4
390		738
391	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
392		740
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
556		904
557	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		909
562	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	911	my $pkg = shift @arg;
564		912
565	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
595	}	943	}
596		944
597	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
598	} else {	946	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	948	}
601		949
602	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
603	}	951	}
604		952
…		…
606	if (ref $_[0]) {	954	if (ref $_[0]) {
607	_object_attach @_;	955	_object_attach @_;
608	} else {	956	} else {
609	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
610	}	958	}
		959	_recalc_want;
611	};	960	};
612		961
613	# all those should be optimised	962	# all those should be optimised
614	sub cf::attachable::detach {	963	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
619	reattach ($obj);	968	reattach ($obj);
620	} else {	969	} else {
621	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
622	}	971	}
		972	_recalc_want;
623	};	973	};
624		974
625	sub cf::attachable::attached {	975	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
627		977
…		…
642	";	992	";
643	die if $@;	993	die if $@;
644	}	994	}
645		995
646	our $override;	996	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		998
649	sub override {	999	sub override {
650	$override = 1;	1000	$override = 1;
651	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
652	}	1002	}
653		1003
654	sub do_invoke {	1004	sub do_invoke {
655	my $event = shift;	1005	my $event = shift;
656	my $callbacks = shift;	1006	my $callbacks = shift;
657		1007
658	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
659		1009
660	local $override;	1010	local $override;
661		1011
662	for (@$callbacks) {	1012	for (@$callbacks) {
663	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
672	}	1022	}
673		1023
674	0	1024	0
675	}	1025	}
676		1026
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1028
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1030
681	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
682		1032
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	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	1034	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1036
687	=back	1037	=back
688		1038
689	=cut	1039	=cut
690		1040
691	#############################################################################	1041	#############################################################################
692	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
693		1085
694	sub reattach {	1086	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1088	my ($obj) = @_;
697		1089
…		…
718	cf::attachable->attach (	1110	cf::attachable->attach (
719	prio => -1000000,	1111	prio => -1000000,
720	on_instantiate => sub {	1112	on_instantiate => sub {
721	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
722		1114
723	$data = from_json $data;	1115	$data = decode_json $data;
724		1116
725	for (@$data) {	1117	for (@$data) {
726	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
727		1119
728	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1136	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
746		1138
747	sync_job {	1139	sync_job {
748	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
751		1144
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1149	close $fh;
757		1150
758	if (@$objs) {	1151	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1157	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
766	}	1159	}
767	} else {	1160	} else {
768	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
…		…
774	}	1167	}
775	} else {	1168	} else {
776	aio_unlink $filename;	1169	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
778	}	1171	}
779	}	1172	};
780	}	1173	}
781		1174
782	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
784		1177
…		…
796	or return;	1189	or return;
797		1190
798	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
800	or return;	1193	or return;
		1194
801	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
802	}	1197	}
803		1198
		1199	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
806	return ($data, $av);	1203	($data, $av)
807	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
808		1211
809	#############################################################################	1212	#############################################################################
810	# command handling &c	1213	# command handling &c
811		1214
812	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1229	}
827		1230
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1232
830	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
831		1238
832	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
833	called.	1240	called.
834		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
835	=cut	1253	=cut
836		1254
837	sub register_extcmd {	1255	sub register_extcmd {
838	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
839		1257
840	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
841	}	1265	}
842		1266
843	cf::player->attach (	1267	cf::player->attach (
844	on_command => sub {	1268	on_command => sub {
845	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1278	cf::override;
855	},	1279	},
856	on_extcmd => sub {	1280	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
858		1282
859	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1284
861	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
867	} else {	1300	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1302	}
870		1303
871	cf::override;	1304	cf::override;
872	},	1305	},
873	);	1306	);
874		1307
875	sub load_extension {
876	my ($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 {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
910	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1313	next unless -r $path;
912	eval {	1314
913	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
914	1	1371	}
915	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
916	}	1377	};
917	}	1378	}
918		1379
919	#############################################################################	1380	#############################################################################
920		1381
		1382	=back
		1383
921	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
922		1385
923	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
924		1387
925	=cut	1388	=cut
…		…
930		1393
931	=head3 cf::player	1394	=head3 cf::player
932		1395
933	=over 4	1396	=over 4
934		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
935	=item cf::player::find $login	1412	=item cf::player::find $login
936		1413
937	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
938		1415
939	=cut	1416	=cut
940		1417
941	sub playerdir($) {	1418	sub playerdir($) {
942	cf::localdir	1419	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1421	}
948		1422
949	sub path($) {	1423	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1425
952	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
953	}	1427	}
954		1428
955	sub find_active($) {	1429	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1444	my $login = $_[0];
971		1445
972	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
973		1447
974	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
976	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
978	}	1464	}
979	}	1465	}
980	}	1466	}
981		1467
…		…
990	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
991		1477
992	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
994		1480
		1481	cf::get_slot 0.01;
		1482
995	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
996	Coro::cede;	1484	cf::cede_to_tick;
997	}	1485	}
998		1486
999	sub new($) {	1487	sub new($) {
1000	my ($login) = @_;	1488	my ($login) = @_;
1001		1489
…		…
1007	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1008		1496
1009	$self	1497	$self
1010	}	1498	}
1011		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
		1508	}
		1509
1012	=item $pl->quit_character	1510	=item $pl->quit_character
1013		1511
1014	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1513	be destroyed. May block for a long time.
1016		1514
1017	=cut	1515	=cut
1018		1516
1019	sub quit_character {	1517	sub quit_character {
1020	my ($pl) = @_;	1518	my ($pl) = @_;
		1519
		1520	my $name = $pl->ob->name;
1021		1521
1022	$pl->{deny_save} = 1;	1522	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1523	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1524
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1530	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1531	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1532	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1533	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1534	$pl->destroy;
		1535
		1536	my $prefix = qr<^~\Q$name\E/>;
		1537
		1538	# nuke player maps
		1539	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1540
1035	IO::AIO::aio_rmtree $temp;	1541	IO::AIO::aio_rmtree $temp;
		1542	}
		1543
		1544	=item $pl->kick
		1545
		1546	Kicks a player out of the game. This destroys the connection.
		1547
		1548	=cut
		1549
		1550	sub kick {
		1551	my ($pl, $kicker) = @_;
		1552
		1553	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1554	$pl->killer ("kicked");
		1555	$pl->ns->destroy;
1036	}	1556	}
1037		1557
1038	=item cf::player::list_logins	1558	=item cf::player::list_logins
1039		1559
1040	Returns am arrayref of all valid playernames in the system, can take a	1560	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1042		1562
1043	=cut	1563	=cut
1044		1564
1045	sub list_logins {	1565	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1567	or return [];
1048		1568
1049	my @logins;	1569	my @logins;
1050		1570
1051	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1055		1580
1056	utf8::decode $login;	1581	utf8::decode $login;
1057	push @logins, $login;	1582	push @logins, $login;
1058	}	1583	}
1059		1584
…		…
1067		1592
1068	=cut	1593	=cut
1069		1594
1070	sub maps($) {	1595	sub maps($) {
1071	my ($pl) = @_;	1596	my ($pl) = @_;
		1597
		1598	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1599
1073	my $files = aio_readdir playerdir $pl	1600	my $files = aio_readdir playerdir $pl
1074	or return;	1601	or return;
1075		1602
1076	my @paths;	1603	my @paths;
…		…
1078	for (@$files) {	1605	for (@$files) {
1079	utf8::decode $_;	1606	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1607	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1608	next unless /^$PATH_SEP/o;
1082		1609
1083	s/\.map$//;	1610	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1611	}
1086		1612
1087	\@paths	1613	\@paths
1088	}	1614	}
1089		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1091		1710
1092	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1093		1712
1094	=cut	1713	=cut
1095		1714
1096	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1098		1717
1099	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1719	}
1103		1720
1104	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1105		1761
1106	=back	1762	=back
1107
1108		1763
1109	=head3 cf::map	1764	=head3 cf::map
1110		1765
1111	=over 4	1766	=over 4
1112		1767
…		…
1124	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1126		1781
1127	sub generate_random_map {	1782	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1129	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1788	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1168		1826
1169	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1170	local $self->{path};	1828	local $self->{path};
1171	local $self->{load_path};	1829	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1830
1175	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1176	}	1832	}
1177		1833
1178	sub normalise {	1834	sub normalise {
1179	my ($path, $base) = @_;	1835	my ($path, $base) = @_;
		1836
		1837	$path = "$path"; # make sure its a string
		1838
		1839	$path =~ s/\.map$//;
1180		1840
1181	# map plan:	1841	# map plan:
1182	#	1842	#
1183	# /! non-realised random map exit (special hack!)	1843	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1844	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1222	return $self;	1882	return $self;
1223	}	1883	}
1224	}	1884	}
1225		1885
1226	Carp::carp "unable to resolve path '$path'.";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1887	()
1228	}	1888	}
1229		1889
1230	sub init {	1890	sub init {
1231	my ($self) = @_;	1891	my ($self) = @_;
…		…
1246		1906
1247	# the original (read-only) location	1907	# the original (read-only) location
1248	sub load_path {	1908	sub load_path {
1249	my ($self) = @_;	1909	my ($self) = @_;
1250		1910
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1252	}	1912	}
1253		1913
1254	# the temporary/swap location	1914	# the temporary/swap location
1255	sub save_path {	1915	sub save_path {
1256	my ($self) = @_;	1916	my ($self) = @_;
1257		1917
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1260	}	1920	}
1261		1921
1262	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1263	sub uniq_path {	1923	sub uniq_path {
1264	my ($self) = @_;	1924	my ($self) = @_;
1265		1925
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1268	}	1928	}
1269		1929
1270	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1271	# all maps in C++...	1931	# all maps in C++...
1272	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1274		1934
1275	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1277	}	1937	}
1278		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1279	sub unlink_save {	1947	sub unlink_save {
1280	my ($self) = @_;	1948	my ($self) = @_;
1281		1949
1282	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1954
1287	sub load_header_from($) {	1955	sub load_header_from($) {
1288	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1289		1957
1290	utf8::encode $path;	1958	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1292	or return;	1960	or return;
1293		1961
1294	$self->_load_header ($path)	1962	$self->_load_header ($f)
1295	or return;	1963	or return;
1296		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
		1967
1297	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1298		1969
1299	1	1970	1
1300	}	1971	}
1301		1972
1302	sub load_orig {	1973	sub load_header_orig {
1303	my ($self) = @_;	1974	my ($self) = @_;
1304		1975
1305	$self->load_header_from ($self->load_path)	1976	$self->load_header_from ($self->load_path)
1306	}	1977	}
1307		1978
1308	sub load_temp {	1979	sub load_header_temp {
1309	my ($self) = @_;	1980	my ($self) = @_;
1310		1981
1311	$self->load_header_from ($self->save_path)	1982	$self->load_header_from ($self->save_path)
		1983	}
		1984
		1985	sub prepare_temp {
		1986	my ($self) = @_;
		1987
		1988	$self->last_access ((delete $self->{last_access})
		1989	|| $cf::RUNTIME); #d#
		1990	# safety
		1991	$self->{instantiate_time} = $cf::RUNTIME
		1992	if $self->{instantiate_time} > $cf::RUNTIME;
		1993	}
		1994
		1995	sub prepare_orig {
		1996	my ($self) = @_;
		1997
		1998	$self->{load_original} = 1;
		1999	$self->{instantiate_time} = $cf::RUNTIME;
		2000	$self->last_access ($cf::RUNTIME);
		2001	$self->instantiate;
1312	}	2002	}
1313		2003
1314	sub load_header {	2004	sub load_header {
1315	my ($self) = @_;	2005	my ($self) = @_;
1316		2006
1317	if ($self->load_temp) {	2007	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2008	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2009	} else {
1324	$self->load_orig	2010	$self->load_header_orig
1325	or return;	2011	or return;
1326		2012	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2013	}
		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
1332		2020
1333	1	2021	1
1334	}	2022	}
1335		2023
1336	sub find;	2024	sub find;
1337	sub find {	2025	sub find {
1338	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1339		2027
1340	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1341		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1343		2032
1344	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1345	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1346	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1347	or return;	2038	or return;
1348		2039
1349	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1350		2041
1351	$map->load_header	2042	$map->load_header
1352	or return;	2043	or return;
1353		2044
1354	if ($map->should_reset) {	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1357	$map->reset;	2050	$map->reset;
1358	undef $guard;
1359	$map = find $path	2051	return find $path;
1360	or return;
1361	}	2052	}
1362		2053
1363	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1364	}	2055	}
1365	}	2056	}
		2057
		2058	sub pre_load { }
		2059	sub post_load { }
1366		2060
1367	sub load {	2061	sub load {
1368	my ($self) = @_;	2062	my ($self) = @_;
1369		2063
		2064	local $self->{deny_reset} = 1; # loading can take a long time
		2065
1370	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1372		2070
		2071	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2073
1375	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1376		2075
1377	$self->alloc;	2076	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2077
		2078	$self->pre_load;
		2079	cf::cede_to_tick;
		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1379	or return;	2084	or return;
1380		2085
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	2087	if delete $self->{load_original};
1383		2088
1384	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2090	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2093	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1389	}	2097	}
1390	}	2098	}
1391		2099
1392	Coro::cede;	2100	$f->resolve_delayed_derefs;
1393		2101
		2102	cf::cede_to_tick;
1394	# now do the right thing for maps	2103	# now do the right thing for maps
1395	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2106	unless $self->difficulty;
1405	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1406	$self->activate;	2116	$self->activate;
1407	}	2117	}
1408		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
		2123	}
		2124
		2125	$self->post_load;
1410	}	2126	}
1411		2127
1412	sub customise_for {	2128	sub customise_for {
1413	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1414		2130
1415	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2132	if $self->per_player;
1417		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1418	$self	2137	$self
1419	}	2138	}
1420		2139
1421	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2141	sub load_neighbours {
1423	my ($map) = @_;	2142	my ($map) = @_;
1424		2143
1425	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1426		2145
1427	for (0 .. 3) {	2146	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1429	or next;	2148	or next;
1430	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1431	or next;	2150	or next;
1432	$neigh->load;	2151	$neigh->load;
1433		2152
		2153	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2156	}
1437		2157
1438	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1440	or next;	2161	or next;
1441	$neigh->load;	2162	$neigh->load;
1442	}	2163	}
1443	}	2164	}
1444		2165
…		…
1449	}	2170	}
1450		2171
1451	sub do_load_sync {	2172	sub do_load_sync {
1452	my ($map) = @_;	2173	my ($map) = @_;
1453		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1454	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1455	}	2179	}
1456		2180
1457	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1459		2183
1460	sub find_async {	2184	sub find_async {
1461	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1462		2186
1463	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1464		2188
1465	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1467	}	2191	}
1468		2192
1469	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1470	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1471	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2200	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2201	$map->load if $v;
		2202	}
1476		2203
1477	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1478	}	2205	}
1479	}	2206	}
1480	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1481	};	2208	};
		2209	$MAP_PREFETCHER->prio (6);
1482		2210
1483	()	2211	()
1484	}	2212	}
1485		2213
1486	sub save {	2214	sub save {
1487	my ($self) = @_;	2215	my ($self) = @_;
1488		2216
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2218
1491	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1492		2220
1493	return unless $self->dirty;	2221	return unless $self->dirty;
1494		2222
…		…
1500	return if $self->{deny_save};	2228	return if $self->{deny_save};
1501		2229
1502	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1503		2231
1504	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1506	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1507		2238
1508	if ($uniq) {	2239	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2242	} else {
…		…
1517	my ($self) = @_;	2248	my ($self) = @_;
1518		2249
1519	# save first because save cedes	2250	# save first because save cedes
1520	$self->save;	2251	$self->save;
1521		2252
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2254
1524	return if $self->players;	2255	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2257	return if $self->{deny_save};
1527		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2263	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2264	}
1531		2265
1532	sub reset_at {	2266	sub reset_at {
1533	my ($self) = @_;	2267	my ($self) = @_;
1534		2268
1535	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1538		2271
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2274
…		…
1552	my ($self) = @_;	2285	my ($self) = @_;
1553		2286
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2288
1556	return if $self->players;	2289	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2290
1559	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
		2292
		2293	$self->in_memory (cf::MAP_SWAPPED);
		2294
		2295	# need to save uniques path
		2296	unless ($self->{deny_save}) {
		2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2298
		2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2300	if $uniq;
		2301	}
1560		2302
1561	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1562		2304
1563	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2307	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2308
1568	$self->unlink_save;	2309	$self->unlink_save;
1569	$self->destroy;	2310	$self->destroy;
1570	}	2311	}
1571		2312
1572	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1573		2314
1574	sub nuke {	2315	sub nuke {
1575	my ($self) = @_;	2316	my ($self) = @_;
1576		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1577	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1578		2322
1579	$self->unlink_save;	2323	$self->unlink_save;
1580		2324
1581	bless $self, "cf::map";	2325	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2330
1587	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1588		2333
1589	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1590	}	2371	}
1591		2372
1592	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1593		2374
1594	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2376	instantiated unique items. May block.
1596		2377
1597	=cut	2378	=cut
1598		2379
1599	sub unique_maps() {	2380	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1601	or return;	2382	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2383	utf8::decode $_;
1607	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1608	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1609		2386	? ()
1610	s/\.map$//;	2387	: normalise $_
1611	push @paths, $_;	2388	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2389	]
1613
1614	\@paths
1615	}	2390	}
1616
1617	package cf;
1618		2391
1619	=back	2392	=back
1620		2393
1621	=head3 cf::object	2394	=head3 cf::object
1622		2395
…		…
1626		2399
1627	=over 4	2400	=over 4
1628		2401
1629	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1630		2403
1631	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1632		2406
1633	=cut	2407	=cut
1634		2408
1635	sub inv_recursive_;	2409	sub inv_recursive_;
1636	sub inv_recursive_ {	2410	sub inv_recursive_ {
1637	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1638	}	2412	}
1639		2413
1640	sub inv_recursive {	2414	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1642	}	2444	}
1643		2445
1644	package cf;	2446	package cf;
1645		2447
1646	=back	2448	=back
…		…
1665		2467
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2469
1668	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1670	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1673	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1674	}	2495	}
1675		2496
1676	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1677		2498
1678	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2531	=cut
1711		2532
1712	sub link_map {	2533	sub link_map {
1713	unless ($LINK_MAP) {	2534	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2535	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2536	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2537	$LINK_MAP->load;
1717	}	2538	}
1718		2539
1719	$LINK_MAP	2540	$LINK_MAP
1720	}	2541	}
…		…
1725	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1726		2547
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2549
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1731		2552
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2554	}
1734		2555
1735	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1737		2560
1738	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1739		2562
1740	unless ($map) {	2563	unless ($map) {
1741	# restore original map position	2564	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1758		2581
1759	$map->load;	2582	$map->load;
1760	$map->load_diag;	2583	$map->load_neighbours;
1761		2584
1762	return unless $self->contr->active;	2585	return unless $self->contr->active;
1763	$self->activate_recursive;	2586	$self->activate_recursive;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1765	}	2590	}
1766		2591
1767	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2593
1771	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1775	};	2598	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2599
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1802		2603
1803	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2609
1806	$self->enter_link;	2610	$self->enter_link;
1807		2611
1808	(async {	2612	(async {
1809	my $map = cf::map::find $path;	2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
		2634	my $map = eval {
		2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
1811		2639	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2640	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
1816		2643
		2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
		2650	}
		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1818	})->prio (1);	2658	})->prio (1);
1819	}	2659	}
1820		2660
1821	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1822		2662
…		…
1851	# that depends on the exit object	2691	# that depends on the exit object
1852		2692
1853	my $rmp = parse_random_map_params $exit->msg;	2693	my $rmp = parse_random_map_params $exit->msg;
1854		2694
1855	if ($exit->map) {	2695	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2696	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2697	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2698	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1860	}	2700	}
1861		2701
1862	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1863		2703
1864	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1865	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1867		2707
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2710	undef $fh;
1871	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2718	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2719	my ($self, $exit) = @_;
1880		2720
1881	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1882		2722
		2723	if ($exit->slaying eq "/!") {
		2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
		2727	cf::sync_job { prepare_random_map $exit };
		2728	}
		2729
		2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2731	my $hp = $exit->stats->hp;
		2732	my $sp = $exit->stats->sp;
		2733
1883	$self->enter_link;	2734	$self->enter_link;
1884		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1885	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1886	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2744	unless (eval {
1888	prepare_random_map $exit	2745	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2746
1894	1;	2747	1;
1895	}) {	2748	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2753
1901	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2755	$self->leave_link;
1903	}	2756	}
1904	})->prio (1);	2757	})->prio (1);
…		…
1917		2770
1918	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1920		2773
1921	utf8::encode $text;	2774	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2776	}
1924		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1925		2936
1926	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1927		2938
1928	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2942
1932	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2944	become reliable at some point in the future.
1934		2945
1935	=cut	2946	=cut
1936		2947
1937	sub cf::client::query {	2948	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2957	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2959
1949	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
1951	}	2964	}
1952		2965
1953	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
1954	on_reply => sub {	2972	on_reply => sub {
1955	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
1956		2974
1957	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
1958	# get handled first	2976	# get handled first
1959	my $queue = delete $ns->{query_queue}	2977	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2978	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2979
1962	(shift @$queue)->[1]->($msg);	2980	(shift @$queue)->[1]->($msg);
		2981	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2982
1964	push @{ $ns->{query_queue} }, @$queue;	2983	push @{ $ns->{query_queue} }, @$queue;
1965		2984
1966	if (@{ $ns->{query_queue} } == @$queue) {	2985	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2986	if (@$queue) {
…		…
1969	} else {	2988	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2990	}
1972	}	2991	}
1973	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
1974	);	3019	);
1975		3020
1976	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
1977		3022
1978	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2021		3066
2022	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2023		3068
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2025		3074
2026	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2027		3076
2028	=pod	3077	=pod
2029		3078
2030	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2031		3080
2032	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
2033	cf::object::player player	3085	cf::object::player
2034	cf::player peaceful	3086	player
2035	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2036		3093
2037	=cut	3094	=cut
2038		3095
2039	for (	3096	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2041	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2044	) {	3103	) {
2045	no strict 'refs';	3104	no strict 'refs';
…		…
2116	=back	3175	=back
2117		3176
2118	=cut	3177	=cut
2119		3178
2120	#############################################################################	3179	#############################################################################
		3180	# the server's init and main functions
2121		3181
2122	=head2 EXTENSION DATABASE SUPPORT	3182	sub load_facedata($) {
		3183	my ($path) = @_;
2123		3184
2124	Crossfire maintains a very simple database for extension use. It can	3185	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3186	# for this (global event?)
2126	excludes objects.	3187	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3188
2128	The parameter C<$family> should best start with the name of the extension	3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3190
2131	=over 4	3191	warn "loading facedata from $path\n";
2132		3192
2133	=item $hashref = cf::db_get $family	3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
2134		3196
2135	Return a hashref for use by the extension C<$family>, which can be	3197	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3198
2139	=item $value = cf::db_get $family => $key	3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3201
2141	Returns a single value from the database	3202	# patch in the exptable
2142		3203	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	3204	type => FT_RSRC,
2144		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3206	};
		3207	cf::cede_to_tick;
2194		3208
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3209	{
		3210	my $faces = $facedata->{faceinfo};
2199		3211
2200	sub db_get($;$) {	3212	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3214
2206	sub db_put($$;$) {	3215	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	} else {	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		3219
2215	cf::global->attach (	3220	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3221	}
2220	);
2221	}
2222		3222
2223	#############################################################################	3223	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3224	next unless $info->{smooth};
2225		3225
2226	sub cfg_load {	3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
		3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
		3286	1
		3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321	$status
		3322	}
		3323
		3324	sub reload_regions {
		3325	# HACK to clear player env face cache, we need some signal framework
		3326	# for this (global event?)
		3327	%ext::player_env::MUSIC_FACE_CACHE = ();
		3328
		3329	load_resource_file "$MAPDIR/regions"
		3330	or die "unable to load regions file\n";
		3331
		3332	for (cf::region::list) {
		3333	$_->{match} = qr/$_->{match}/
		3334	if exists $_->{match};
		3335	}
		3336	}
		3337
		3338	sub reload_facedata {
		3339	load_facedata "$DATADIR/facedata"
		3340	or die "unable to load facedata\n";
		3341	}
		3342
		3343	sub reload_archetypes {
		3344	load_resource_file "$DATADIR/archetypes"
		3345	or die "unable to load archetypes\n";
		3346	}
		3347
		3348	sub reload_treasures {
		3349	load_resource_file "$DATADIR/treasures"
		3350	or die "unable to load treasurelists\n";
		3351	}
		3352
		3353	sub reload_resources {
		3354	warn "reloading resource files...\n";
		3355
		3356	reload_facedata;
		3357	reload_archetypes;
		3358	reload_regions;
		3359	reload_treasures;
		3360
		3361	warn "finished reloading resource files\n";
		3362	}
		3363
		3364	sub init {
		3365	my $guard = freeze_mainloop;
		3366
		3367	reload_resources;
		3368	}
		3369
		3370	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3372	or return;
2229		3373
2230	local $/;	3374	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2232		3376
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2234		3378
2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2247	sub main {	3391	sub main {
2248	# we must not ever block the main coroutine	3392	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3393	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3394	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3395	(async {
2252	Event::one_event;	3396	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3397	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3398	})->prio (Coro::PRIO_MAX);
2254	};	3399	};
2255		3400
2256	cfg_load;	3401	{
2257	db_load;	3402	my $guard = freeze_mainloop;
		3403	reload_config;
		3404	db_init;
2258	load_extensions;	3405	load_extensions;
2259		3406
2260	$TICK_WATCHER->start;	3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3408	evthread_start IO::AIO::poll_fileno;
		3409	}
		3410
2261	Event::loop;	3411	EV::loop;
2262	}	3412	}
2263		3413
2264	#############################################################################	3414	#############################################################################
2265	# initialisation and cleanup	3415	# initialisation and cleanup
2266		3416
2267	# install some emergency cleanup handlers	3417	# install some emergency cleanup handlers
2268	BEGIN {	3418	BEGIN {
		3419	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3420	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3421	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3422	cf::cleanup "SIG$signal";
2275	},
2276	);	3423	};
		3424	}
		3425	}
		3426
		3427	sub write_runtime_sync {
		3428	my $runtime = "$LOCALDIR/runtime";
		3429
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $runtime, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$runtime~", $runtime
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2277	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2278	}	3506	}
2279		3507
2280	sub emergency_save() {	3508	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2282		3510
…		…
2288	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3522	$pl->save;
2294	}	3523	}
2295	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2296		3525
2297	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3528	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3529	$map->valid or next;
2301	$map->save;	3530	$map->save;
2302	}	3531	}
2303	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
		3533
		3534	warn "begin emergency database checkpoint\n";
		3535	BDB::db_env_txn_checkpoint $DB_ENV;
		3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2304	};	3541	};
2305		3542
2306	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2307	}	3544	}
2308		3545
		3546	sub post_cleanup {
		3547	my ($make_core) = @_;
		3548
		3549	warn Carp::longmess "post_cleanup backtrace"
		3550	if $make_core;
		3551	}
		3552
2309	sub reload() {	3553	sub do_reload_perl() {
2310	# can/must only be called in main	3554	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3555	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3556	warn "can only reload from main coroutine";
2313	return;	3557	return;
2314	}	3558	}
2315		3559
2316	warn "reloading...";	3560	warn "reloading...";
2317		3561
2318	warn "cancelling server ticker";	3562	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3563
		3564	cf::sync_job {
		3565	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3566	cf::emergency_save;
		3567	cf::write_runtime_sync; # external watchdog should not bark
2322		3568
2323	eval {	3569	warn "syncing database to disk";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571
2324	# if anything goes wrong in here, we should simply crash as we already saved	3572	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328
2329	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}
2333		3573
2334	warn "flushing outstanding aio requests";	3574	warn "flushing outstanding aio requests";
2335	for (;;) {	3575	for (;;) {
		3576	BDB::flush;
2336	IO::AIO::flush;	3577	IO::AIO::flush;
2337	Coro::cede;	3578	Coro::cede_notself;
2338	last unless IO::AIO::nreqs;	3579	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3580	warn "iterate...";
2340	}	3581	}
		3582
		3583	++$RELOAD;
2341		3584
2342	warn "cancelling all extension coros";	3585	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3586	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3587	%EXT_CORO = ();
2345		3588
2346	warn "removing commands";	3589	warn "removing commands";
2347	%COMMAND = ();	3590	%COMMAND = ();
2348		3591
2349	warn "removing ext commands";	3592	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3593	%EXTCMD = ();
		3594	%EXTICMD = ();
2351		3595
2352	warn "unloading/nuking all extensions";	3596	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3597	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3598	warn "... unloading $pkg";
2355		3599
…		…
2385	Symbol::delete_package "safe::$_"	3629	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3630	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3631
2388	warn "unloading cf.pm \"a bit\"";	3632	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3633	delete $INC{"cf.pm"};
		3634	delete $INC{"cf/pod.pm"};
2390		3635
2391	# don't, removes xs symbols, too,	3636	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3637	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3638	#Symbol::delete_package __PACKAGE__;
2394		3639
…		…
2397	warn "reloading cf.pm";	3642	warn "reloading cf.pm";
2398	require cf;	3643	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3644	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3645
2401	warn "loading config and database again";	3646	warn "loading config and database again";
2402	cf::cfg_load;	3647	cf::reload_config;
2403	cf::db_load;
2404		3648
2405	warn "loading extensions";	3649	warn "loading extensions";
2406	cf::load_extensions;	3650	cf::load_extensions;
2407		3651
2408	warn "reattaching attachments to objects/players";	3652	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3653	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3654	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3655	reattach $_ for values %MAP;
		3656	warn "reattaching attachments to players";
		3657	reattach $_ for values %PLAYER;
2412		3658
2413	warn "restarting server ticker";	3659	warn "leaving sync_job";
2414		3660
2415	$TICK_WATCHER->start;	3661	1
		3662	} or do {
		3663	warn $@;
		3664	cf::cleanup "error while reloading, exiting.";
2416	};	3665	};
2417
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423		3666
2424	warn "reloaded";	3667	warn "reloaded";
2425	};	3668	};
2426		3669
2427	our $RELOAD_WATCHER; # used only during reload	3670	our $RELOAD_WATCHER; # used only during reload
2428		3671
		3672	sub reload_perl() {
		3673	# doing reload synchronously and two reloads happen back-to-back,
		3674	# coro crashes during coro_state_free->destroy here.
		3675
		3676	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3677	do_reload_perl;
		3678	undef $RELOAD_WATCHER;
		3679	};
		3680	}
		3681
2429	register_command "reload" => sub {	3682	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3683	my ($who, $arg) = @_;
2431		3684
2432	if ($who->flag (FLAG_WIZ)) {	3685	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3686	$who->message ("reloading server.");
2434		3687	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3688	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	3689	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3690	};
2442	}	3691	}
2443	};	3692	};
2444		3693
2445	unshift @INC, $LIBDIR;	3694	unshift @INC, $LIBDIR;
2446		3695
2447	my $bug_warning = 0;	3696	my $bug_warning = 0;
2448		3697
2449	$TICK_WATCHER = Event->timer (	3698	our @WAIT_FOR_TICK;
2450	reentrant => 0,	3699	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	3700
2452	prio => 0,	3701	sub wait_for_tick {
2453	at => $NEXT_TICK || $TICK,	3702	return if tick_inhibit || $Coro::current == $Coro::main;
2454	data => WF_AUTOCANCEL,	3703
2455	cb => sub {	3704	my $signal = new Coro::Signal;
		3705	push @WAIT_FOR_TICK, $signal;
		3706	$signal->wait;
		3707	}
		3708
		3709	sub wait_for_tick_begin {
		3710	return if tick_inhibit || $Coro::current == $Coro::main;
		3711
		3712	my $signal = new Coro::Signal;
		3713	push @WAIT_FOR_TICK_BEGIN, $signal;
		3714	$signal->wait;
		3715	}
		3716
		3717	sub tick {
2456	if ($Coro::current != $Coro::main) {	3718	if ($Coro::current != $Coro::main) {
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3719	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3720	unless ++$bug_warning > 10;
2459	return;	3721	return;
2460	}	3722	}
2461		3723
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	3724	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		3725
2468	$WAIT_FOR_TICK->broadcast;	3726	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3727	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2470		3728	Coro::async_pool {
2471	# if we are delayed by four ticks or more, skip them all	3729	$Coro::current->{desc} = "runtime saver";
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2473
2474	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;
2476	},
2477	);
2478
2479	IO::AIO::max_poll_time $TICK * 0.2;
2480
2481	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,
2491	after => 1,
2492	interval => 10,
2493	prio => 6, # keep it lowest so it acts like a watchdog
2494	cb => Coro::unblock_sub {
2495	write_runtime	3730	write_runtime_sync
2496	or warn "ERROR: unable to write runtime file: $!";	3731	or warn "ERROR: unable to write runtime file: $!";
		3732	};
2497	},	3733	}
2498	);	3734
		3735	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3736	$sig->send;
		3737	}
		3738	while (my $sig = shift @WAIT_FOR_TICK) {
		3739	$sig->send;
		3740	}
		3741
		3742	$LOAD = ($NOW - $TICK_START) / $TICK;
		3743	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3744
		3745	if (0) {
		3746	if ($NEXT_TICK) {
		3747	my $jitter = $TICK_START - $NEXT_TICK;
		3748	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3749	warn "jitter $JITTER\n";#d#
		3750	}
		3751	}
		3752	}
		3753
		3754	{
		3755	# configure BDB
		3756
		3757	BDB::min_parallel 8;
		3758	BDB::max_poll_reqs $TICK * 0.1;
		3759	$Coro::BDB::WATCHER->priority (1);
		3760
		3761	unless ($DB_ENV) {
		3762	$DB_ENV = BDB::db_env_create;
		3763	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3764	| BDB::LOG_AUTOREMOVE, 1);
		3765	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3766	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3767
		3768	cf::sync_job {
		3769	eval {
		3770	BDB::db_env_open
		3771	$DB_ENV,
		3772	$BDBDIR,
		3773	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3774	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3775	0666;
		3776
		3777	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3778	};
		3779
		3780	cf::cleanup "db_env_open(db): $@" if $@;
		3781	};
		3782	}
		3783
		3784	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3785	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3786	};
		3787	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3788	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3789	};
		3790	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3791	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3792	};
		3793	}
		3794
		3795	{
		3796	# configure IO::AIO
		3797
		3798	IO::AIO::min_parallel 8;
		3799	IO::AIO::max_poll_time $TICK * 0.1;
		3800	$Coro::AIO::WATCHER->priority (1);
		3801	}
		3802
		3803	my $_log_backtrace;
		3804
		3805	sub _log_backtrace {
		3806	my ($msg, @addr) = @_;
		3807
		3808	$msg =~ s/\n//;
		3809
		3810	# limit the # of concurrent backtraces
		3811	if ($_log_backtrace < 2) {
		3812	++$_log_backtrace;
		3813	async {
		3814	$Coro::current->{desc} = "abt $msg";
		3815
		3816	my @bt = fork_call {
		3817	@addr = map { sprintf "%x", $_ } @addr;
		3818	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3819	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3820	or die "addr2line: $!";
		3821
		3822	my @funcs;
		3823	my @res = <$fh>;
		3824	chomp for @res;
		3825	while (@res) {
		3826	my ($func, $line) = splice @res, 0, 2, ();
		3827	push @funcs, "[$func] $line";
		3828	}
		3829
		3830	@funcs
		3831	};
		3832
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] $_\n" for @bt;
		3835	--$_log_backtrace;
		3836	};
		3837	} else {
		3838	LOG llevInfo, "[ABT] $msg\n";
		3839	LOG llevInfo, "[ABT] [suppressed]\n";
		3840	}
		3841	}
		3842
		3843	# load additional modules
		3844	use cf::pod;
2499		3845
2500	END { cf::emergency_save }	3846	END { cf::emergency_save }
2501		3847
2502	1	3848	1
2503		3849

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