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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.431 by elmex, Sun May 4 19:27:27 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 3.5 ();	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;
87		138
88	sub cf::map::normalise;	139	sub cf::map::normalise;
89		140
…		…
100	=item $cf::RUNTIME	151	=item $cf::RUNTIME
101		152
102	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
103	every server tick.	154	every server tick.
104		155
105	=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
106		159
107	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		164
110	=item $cf::NOW	165	=item $cf::NOW
111		166
112	The time of the last (current) server tick.	167	The time of the last (current) server tick.
113		168
114	=item $cf::TICK	169	=item $cf::TICK
115		170
116	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	183	=item %cf::CFG
119		184
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	186	from wherever your confdir points to.
122		187
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		189
125	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
126	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
127	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.
128	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.
129		199
130	=back	200	=back
131		201
132	=cut	202	=cut
133		203
134	BEGIN {	204	BEGIN {
135	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	206	my $msg = join "", @_;
137	utf8::encode $msg;
138		207
139	$msg .= "\n"	208	$msg .= "\n"
140	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
141		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
142	LOG llevError, $msg;	213	LOG llevError, $msg;
143	};	214	};
144	}	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#?
145		231
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		239
153	# 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
154	# within the Safe compartment.	241	# within the Safe compartment.
155	for my $pkg (qw(	242	for my $pkg (qw(
156	cf::global cf::attachable	243	cf::global cf::attachable
…		…
161	)) {	248	)) {
162	no strict 'refs';	249	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	251	}
165		252
166	$Event::DIED = sub {	253	$EV::DIED = sub {
167	warn "error in event callback: @_";	254	warn "error in event callback: @_";
168	};	255	};
		256
		257	#############################################################################
169		258
170	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
171		260
172	=over 4	261	=over 4
173		262
…		…
192	$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;
193	$d	282	$d
194	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
195	}	284	}
196		285
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
200		287
201	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
202		289
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
211		291
212	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
213		293
214	=cut	294	=cut
215		295
216	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
218	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	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
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($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#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
268	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
269	};	428	}
270	$WRITE_RUNTIME_WATCHER->stop;	429	};
271	$TICK_WATCHER->stop;	430
272	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		533
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
354	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.
355		538
356	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		540
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
361	and return;	542	my ($cb, @args) = @_;
362		543
363	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
364	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
365		547
366	close $fh	548	my @res = Coro::Util::fork_eval {
367	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
368		552
369	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
370	and return;	554	}
371		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
372	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
373	}	719	}
374		720
375	=back	721	=back
376		722
377	=cut	723	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
386		732
387	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>
388	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
389	crossfire+).	735	Deliantra).
390		736
391	=over 4	737	=over 4
392		738
393	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
394		740
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
558		904
559	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		909
564	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	911	my $pkg = shift @arg;
566		912
567	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
597	}	943	}
598		944
599	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
600	} else {	946	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	948	}
603		949
604	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
605	}	951	}
606		952
…		…
608	if (ref $_[0]) {	954	if (ref $_[0]) {
609	_object_attach @_;	955	_object_attach @_;
610	} else {	956	} else {
611	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
612	}	958	}
		959	_recalc_want;
613	};	960	};
614		961
615	# all those should be optimised	962	# all those should be optimised
616	sub cf::attachable::detach {	963	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
621	reattach ($obj);	968	reattach ($obj);
622	} else {	969	} else {
623	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
624	}	971	}
		972	_recalc_want;
625	};	973	};
626		974
627	sub cf::attachable::attached {	975	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
629		977
…		…
644	";	992	";
645	die if $@;	993	die if $@;
646	}	994	}
647		995
648	our $override;	996	our $override;
649	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?
650		998
651	sub override {	999	sub override {
652	$override = 1;	1000	$override = 1;
653	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
654	}	1002	}
655		1003
656	sub do_invoke {	1004	sub do_invoke {
657	my $event = shift;	1005	my $event = shift;
658	my $callbacks = shift;	1006	my $callbacks = shift;
659		1007
660	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
661		1009
662	local $override;	1010	local $override;
663		1011
664	for (@$callbacks) {	1012	for (@$callbacks) {
665	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
674	}	1022	}
675		1023
676	0	1024	0
677	}	1025	}
678		1026
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1028
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1030
683	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
684		1032
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1036
689	=back	1037	=back
690		1038
691	=cut	1039	=cut
692		1040
693	#############################################################################	1041	#############################################################################
694	# 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, $ob2
		1084	}
695		1085
696	sub reattach {	1086	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1088	my ($obj) = @_;
699		1089
…		…
720	cf::attachable->attach (	1110	cf::attachable->attach (
721	prio => -1000000,	1111	prio => -1000000,
722	on_instantiate => sub {	1112	on_instantiate => sub {
723	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
724		1114
725	$data = from_json $data;	1115	$data = decode_json $data;
726		1116
727	for (@$data) {	1117	for (@$data) {
728	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
729		1119
730	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1136	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
748		1138
749	sync_job {	1139	sync_job {
750	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
753		1144
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1149	aio_close $fh;
759		1150
760	if (@$objs) {	1151	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1157	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
768	}	1159	}
769	} else {	1160	} else {
770	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
771	}	1162	}
…		…
776	}	1167	}
777	} else {	1168	} else {
778	aio_unlink $filename;	1169	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
780	}	1171	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1172	};
788	}	1173	}
789		1174
790	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
792		1177
…		…
797		1182
798	sub object_thawer_load {	1183	sub object_thawer_load {
799	my ($filename) = @_;	1184	my ($filename) = @_;
800		1185
801	my ($data, $av);	1186	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1187
806	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
807	or return;	1189	or return;
808		1190
809	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
811	or return;	1193	or return;
		1194
812	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
813	}	1197	}
814		1198
		1199	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
817	return ($data, $av);	1203	($data, $av)
818	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
819		1211
820	#############################################################################	1212	#############################################################################
821	# command handling &c	1213	# command handling &c
822		1214
823	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1229	}
838		1230
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1232
841	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.
842		1238
843	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
844	called.	1240	called.
845		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
846	=cut	1253	=cut
847		1254
848	sub register_extcmd {	1255	sub register_extcmd {
849	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
850		1257
851	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
852	}	1265	}
853		1266
854	cf::player->attach (	1267	cf::player->attach (
855	on_command => sub {	1268	on_command => sub {
856	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1278	cf::override;
866	},	1279	},
867	on_extcmd => sub {	1280	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
869		1282
870	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1284
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
878	} else {	1300	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1302	}
881		1303
882	cf::override;	1304	cf::override;
883	},	1305	},
884	);	1306	);
885		1307
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
921	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1313	next unless -r $path;
923	eval {	1314
924	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	$progress = 1;
925	1	1371	}
926	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
927	}	1377	};
928	}	1378	}
929		1379
930	#############################################################################	1380	#############################################################################
931		1381
		1382	=back
		1383
932	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
933		1385
934	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
935		1387
936	=cut	1388	=cut
…		…
941		1393
942	=head3 cf::player	1394	=head3 cf::player
943		1395
944	=over 4	1396	=over 4
945		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
946	=item cf::player::find $login	1412	=item cf::player::find $login
947		1413
948	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
949		1415
950	=cut	1416	=cut
951		1417
952	sub playerdir($) {	1418	sub playerdir($) {
953	cf::localdir	1419	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1421	}
959		1422
960	sub path($) {	1423	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1425
963	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
964	}	1427	}
965		1428
966	sub find_active($) {	1429	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1444	my $login = $_[0];
982		1445
983	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
984		1447
985	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
986	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
987	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
989	}	1465	}
990	}	1466	}
991	}	1467	}
992		1468
…		…
1001	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1002		1478
1003	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1005		1481
		1482	cf::get_slot 0.01;
		1483
1006	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1007	Coro::cede;	1485	cf::cede_to_tick;
1008	}	1486	}
1009		1487
1010	sub new($) {	1488	sub new($) {
1011	my ($login) = @_;	1489	my ($login) = @_;
1012		1490
…		…
1018	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1019		1497
1020	$self	1498	$self
1021	}	1499	}
1022		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1023	=item $pl->quit_character	1511	=item $pl->quit_character
1024		1512
1025	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1027		1515
1028	=cut	1516	=cut
1029		1517
1030	sub quit_character {	1518	sub quit_character {
1031	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1032		1522
1033	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1525
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1535	$pl->destroy;
		1536
		1537	my $prefix = qr<^~\Q$name\E/>;
		1538
		1539	# nuke player maps
		1540	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1541
1046	IO::AIO::aio_rmtree $temp;	1542	IO::AIO::aio_rmtree $temp;
		1543	}
		1544
		1545	=item $pl->kick
		1546
		1547	Kicks a player out of the game. This destroys the connection.
		1548
		1549	=cut
		1550
		1551	sub kick {
		1552	my ($pl, $kicker) = @_;
		1553
		1554	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1555	$pl->killer ("kicked");
		1556	$pl->ns->destroy;
1047	}	1557	}
1048		1558
1049	=item cf::player::list_logins	1559	=item cf::player::list_logins
1050		1560
1051	Returns am arrayref of all valid playernames in the system, can take a	1561	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1053		1563
1054	=cut	1564	=cut
1055		1565
1056	sub list_logins {	1566	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1568	or return [];
1059		1569
1060	my @logins;	1570	my @logins;
1061		1571
1062	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1066		1582
1067	utf8::decode $login;	1583	utf8::decode $login;
1068	push @logins, $login;	1584	push @logins, $login;
1069	}	1585	}
1070		1586
…		…
1097	}	1613	}
1098		1614
1099	\@paths	1615	\@paths
1100	}	1616	}
1101		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1103		1712
1104	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1105		1714
1106	=cut	1715	=cut
1107		1716
1108	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1110		1719
1111	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1721	}
1115		1722
1116	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1117		1763
1118	=back	1764	=back
1119
1120		1765
1121	=head3 cf::map	1766	=head3 cf::map
1122		1767
1123	=over 4	1768	=over 4
1124		1769
…		…
1136	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1138		1783
1139	sub generate_random_map {	1784	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1141	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1790	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1180		1828
1181	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1182	local $self->{path};	1830	local $self->{path};
1183	local $self->{load_path};	1831	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1832
1187	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1188	}	1834	}
1189		1835
1190	sub normalise {	1836	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1238	return $self;	1884	return $self;
1239	}	1885	}
1240	}	1886	}
1241		1887
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1889	()
1244	}	1890	}
1245		1891
1246	sub init {	1892	sub init {
1247	my ($self) = @_;	1893	my ($self) = @_;
…		…
1262		1908
1263	# the original (read-only) location	1909	# the original (read-only) location
1264	sub load_path {	1910	sub load_path {
1265	my ($self) = @_;	1911	my ($self) = @_;
1266		1912
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1268	}	1914	}
1269		1915
1270	# the temporary/swap location	1916	# the temporary/swap location
1271	sub save_path {	1917	sub save_path {
1272	my ($self) = @_;	1918	my ($self) = @_;
1273		1919
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1276	}	1922	}
1277		1923
1278	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1279	sub uniq_path {	1925	sub uniq_path {
1280	my ($self) = @_;	1926	my ($self) = @_;
1281		1927
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1284	}	1930	}
1285		1931
1286	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1287	# all maps in C++...	1933	# all maps in C++...
1288	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1290		1936
1291	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1293	}	1939	}
1294		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1295	sub unlink_save {	1949	sub unlink_save {
1296	my ($self) = @_;	1950	my ($self) = @_;
1297		1951
1298	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1954	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1955	}
1307		1956
1308	sub load_header_from($) {	1957	sub load_header_from($) {
1309	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1310		1959
1311	utf8::encode $path;	1960	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1317		1969
1318	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1319		1971
1320	1	1972	1
1321	}	1973	}
…		…
1360	$self->load_header_orig	2012	$self->load_header_orig
1361	or return;	2013	or return;
1362	$self->prepare_orig;	2014	$self->prepare_orig;
1363	}	2015	}
1364		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1365	1	2023	1
1366	}	2024	}
1367		2025
1368	sub find;	2026	sub find;
1369	sub find {	2027	sub find {
1370	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1371		2029
1372	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1373		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1375		2034
1376	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1378	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1379	or return;	2040	or return;
1380		2041
1381	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1382		2043
1383	$map->load_header	2044	$map->load_header
1384	or return;	2045	or return;
1385		2046
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1389	$map->reset;	2052	$map->reset;
1390	undef $guard;
1391	return find $path;	2053	return find $path;
1392	}	2054	}
1393		2055
1394	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1395	}	2057	}
…		…
1402	my ($self) = @_;	2064	my ($self) = @_;
1403		2065
1404	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1405		2067
1406	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1408		2072
		2073	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2075
1411	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1412		2077
1413	$self->alloc;	2078	$self->alloc;
1414		2079
1415	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1416		2082
1417	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1418	or return;	2086	or return;
1419		2087
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};	2089	if delete $self->{load_original};
1422		2090
1423	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2092	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2095	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1428	}	2099	}
1429	}	2100	}
1430		2101
1431	Coro::cede;	2102	$f->resolve_delayed_derefs;
1432		2103
		2104	cf::cede_to_tick;
1433	# now do the right thing for maps	2105	# now do the right thing for maps
1434	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2108	unless $self->difficulty;
1444	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1445	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2125	}
1447		2126
1448	$self->post_load;	2127	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2128	}
1452		2129
1453	sub customise_for {	2130	sub customise_for {
1454	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1455		2132
1456	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2134	if $self->per_player;
1458		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1459	$self	2139	$self
1460	}	2140	}
1461		2141
1462	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2143	sub load_neighbours {
1464	my ($map) = @_;	2144	my ($map) = @_;
1465		2145
1466	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1467		2147
1468	for (0 .. 3) {	2148	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1470	or next;	2150	or next;
1471	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1472	or next;	2152	or next;
1473	$neigh->load;	2153	$neigh->load;
1474		2154
		2155	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2158	}
1478		2159
1479	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1481	or next;	2163	or next;
1482	$neigh->load;	2164	$neigh->load;
1483	}	2165	}
1484	}	2166	}
1485		2167
…		…
1490	}	2172	}
1491		2173
1492	sub do_load_sync {	2174	sub do_load_sync {
1493	my ($map) = @_;	2175	my ($map) = @_;
1494		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1495	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1496	}	2181	}
1497		2182
1498	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1500		2185
1501	sub find_async {	2186	sub find_async {
1502	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1503		2188
1504	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1505		2190
1506	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2193	}
1509		2194
1510	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1511	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1512	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2202	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2203	$map->load if $v;
		2204	}
1517		2205
1518	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1519	}	2207	}
1520	}	2208	}
1521	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1522	};	2210	};
1523	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2214	}
1527		2215
1528	sub save {	2216	sub save {
1529	my ($self) = @_;	2217	my ($self) = @_;
1530		2218
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2220
1533	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1534		2222
1535	return unless $self->dirty;	2223	return unless $self->dirty;
1536		2224
…		…
1542	return if $self->{deny_save};	2230	return if $self->{deny_save};
1543		2231
1544	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1545		2233
1546	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1548	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1549		2240
1550	if ($uniq) {	2241	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2244	} else {
…		…
1559	my ($self) = @_;	2250	my ($self) = @_;
1560		2251
1561	# save first because save cedes	2252	# save first because save cedes
1562	$self->save;	2253	$self->save;
1563		2254
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2256
1566	return if $self->players;	2257	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2259	return if $self->{deny_save};
1569		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2265	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2266	}
1573		2267
1574	sub reset_at {	2268	sub reset_at {
1575	my ($self) = @_;	2269	my ($self) = @_;
1576		2270
1577	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1580		2273
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2276
…		…
1594	my ($self) = @_;	2287	my ($self) = @_;
1595		2288
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2290
1598	return if $self->players;	2291	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2292
1601	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
		2294
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# need to save uniques path
		2298	unless ($self->{deny_save}) {
		2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2300
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2302	if $uniq;
		2303	}
1602		2304
1603	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1604		2306
1605	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2309	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2310
1610	$self->unlink_save;	2311	$self->unlink_save;
1611	$self->destroy;	2312	$self->destroy;
1612	}	2313	}
1613		2314
1614	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1615		2316
1616	sub nuke {	2317	sub nuke {
1617	my ($self) = @_;	2318	my ($self) = @_;
1618		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1619	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1620		2324
1621	$self->unlink_save;	2325	$self->unlink_save;
1622		2326
1623	bless $self, "cf::map";	2327	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2332
1629	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1630		2335
1631	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1632	}	2373	}
1633		2374
1634	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1635		2376
1636	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2378	instantiated unique items. May block.
1638		2379
1639	=cut	2380	=cut
1640		2381
1641	sub unique_maps() {	2382	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1643	or return;	2384	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2385	utf8::decode $_;
1649	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2388	? ()
1652	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2391	]
1654
1655	\@paths
1656	}	2392	}
1657
1658	package cf;
1659		2393
1660	=back	2394	=back
1661		2395
1662	=head3 cf::object	2396	=head3 cf::object
1663		2397
…		…
1667		2401
1668	=over 4	2402	=over 4
1669		2403
1670	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1671		2405
1672	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1673		2408
1674	=cut	2409	=cut
1675		2410
1676	sub inv_recursive_;	2411	sub inv_recursive_;
1677	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1680		2415
1681	sub inv_recursive {	2416	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1683	}	2418	}
1684		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1685	package cf;	2448	package cf;
1686		2449
1687	=back	2450	=back
1688		2451
1689	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1698		2461
1699	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1700		2477
1701	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2479	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1706		2483
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2485
1709	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1711	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1714	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1715	}	2511	}
1716		2512
1717	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1718		2514
1719	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1767		2563
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2565
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1772		2568
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2570	}
1775		2571
1776	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1778		2576
1779	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1780		2578
1781	unless ($map) {	2579	unless ($map) {
1782	# restore original map position	2580	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1799		2597
1800	$map->load;	2598	$map->load;
1801	$map->load_diag;	2599	$map->load_neighbours;
1802		2600
1803	return unless $self->contr->active;	2601	return unless $self->contr->active;
1804	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1806	}	2606	}
1807		2607
1808	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2609
1812	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1816	};	2614	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2615
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1843		2619
1844	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2625
1847	$self->enter_link;	2626	$self->enter_link;
1848		2627
1849	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1850	my $map = eval {	2650	my $map = eval {
1851	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1853	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2666	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1858	})->prio (1);	2674	})->prio (1);
1859	}	2675	}
1860		2676
1861	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1862		2678
…		…
1882	}	2698	}
1883		2699
1884	sub prepare_random_map {	2700	sub prepare_random_map {
1885	my ($exit) = @_;	2701	my ($exit) = @_;
1886		2702
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2705	# that depends on the exit object
1892		2706
1893	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2709	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
1900	}	2716	}
1901		2717
1902	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1903		2719
1904	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1907		2723
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2726	undef $fh;
1911	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
1912		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
1915	}	2735	}
1916	}	2736	}
1917		2737
1918	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
1920		2740
1921	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
1922		2742
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2743	$self->enter_link;
1933		2744
1934	(async {	2745	(async {
1935	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
1936	unless (eval {	2748	unless (eval {
		2749	$self->deactivate_recursive; # just to be sure
		2750
		2751	# random map handling
		2752	{
		2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2754
		2755	prepare_random_map $exit
		2756	if $exit->slaying eq "/!";
		2757	}
		2758
		2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2760	my $x = $exit->stats->hp;
		2761	my $y = $exit->stats->sp;
		2762
1937	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
1938		2764
		2765	# if exit is damned, update players death & WoR home-position
		2766	$self->contr->savebed ($map, $x, $y)
		2767	if $exit->flag (cf::FLAG_DAMNED);
		2768
1939	1;	2769	1
1940	}) {	2770	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2772	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2775
1946	warn "ERROR in enter_exit: $@";	2776	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2777	$self->leave_link;
1948	}	2778	}
1949	})->prio (1);	2779	})->prio (1);
…		…
1962		2792
1963	sub cf::client::send_drawinfo {	2793	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2794	my ($self, $text, $flags) = @_;
1965		2795
1966	utf8::encode $text;	2796	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2798	}
1969		2799
		2800	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2801
		2802	Send a drawinfo or msg packet to the client, formatting the msg for the
		2803	client if neccessary. C<$type> should be a string identifying the type of
		2804	the message, with C<log> being the default. If C<$color> is negative, suppress
		2805	the message unless the client supports the msg packet.
		2806
		2807	=cut
		2808
		2809	# non-persistent channels (usually the info channel)
		2810	our %CHANNEL = (
		2811	"c/identify" => {
		2812	id => "infobox",
		2813	title => "Identify",
		2814	reply => undef,
		2815	tooltip => "Items recently identified",
		2816	},
		2817	"c/examine" => {
		2818	id => "infobox",
		2819	title => "Examine",
		2820	reply => undef,
		2821	tooltip => "Signs and other items you examined",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/uptime" => {
		2848	id => "infobox",
		2849	title => "Uptime",
		2850	reply => undef,
		2851	tooltip => "How long the server has been running since last restart",
		2852	},
		2853	"c/mapinfo" => {
		2854	id => "infobox",
		2855	title => "Map Info",
		2856	reply => undef,
		2857	tooltip => "Information related to the maps",
		2858	},
		2859	"c/party" => {
		2860	id => "party",
		2861	title => "Party",
		2862	reply => "gsay ",
		2863	tooltip => "Messages and chat related to your party",
		2864	},
		2865	);
		2866
		2867	sub cf::client::send_msg {
		2868	my ($self, $channel, $msg, $color, @extra) = @_;
		2869
		2870	$msg = $self->pl->expand_cfpod ($msg);
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel)
		2879	if $self->can_msg;
		2880
		2881	$channel = $channel->{id};
		2882
		2883	} elsif (ref $channel) {
		2884	# send meta info to client, if not yet sent
		2885	unless (exists $self->{channel}{$channel->{id}}) {
		2886	$self->{channel}{$channel->{id}} = $channel;
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	if ($self->can_msg) {
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2903	} else {
		2904	if ($color >= 0) {
		2905	# replace some tags by gcfclient-compatible ones
		2906	for ($msg) {
		2907	1 while
		2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2913	}
		2914
		2915	$color &= cf::NDI_COLOR_MASK;
		2916
		2917	utf8::encode $msg;
		2918
		2919	if (0 && $msg =~ /\[/) {
		2920	# COMMAND/INFO
		2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2922	} else {
		2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2924	$self->send_packet ("drawinfo $color $msg")
		2925	}
		2926	}
		2927	}
		2928	}
		2929
		2930	=item $client->ext_msg ($type, @msg)
		2931
		2932	Sends an ext event to the client.
		2933
		2934	=cut
		2935
		2936	sub cf::client::ext_msg($$@) {
		2937	my ($self, $type, @msg) = @_;
		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
		2942	push @msg, msgtype => "event_$type";
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2944	}
		2945	}
		2946
		2947	=item $client->ext_reply ($msgid, @msg)
		2948
		2949	Sends an ext reply to the client.
		2950
		2951	=cut
		2952
		2953	sub cf::client::ext_reply($$@) {
		2954	my ($self, $id, @msg) = @_;
		2955
		2956	if ($self->extcmd == 2) {
		2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2958	} elsif ($self->extcmd == 1) {
		2959	#TODO: version 1, remove
		2960	unshift @msg, msgtype => "reply", msgid => $id;
		2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2962	}
		2963	}
1970		2964
1971	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
1972		2966
1973	Queues a query to the client, calling the given callback with	2967	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2968	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2969	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2970
1977	Queries can fail, so check the return code. Or don't, as queries will become	2971	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2972	become reliable at some point in the future.
1979		2973
1980	=cut	2974	=cut
1981		2975
1982	sub cf::client::query {	2976	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2985	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2987
1994	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
1996	}	2992	}
1997		2993
1998	cf::client->attach (	2994	cf::client->attach (
		2995	on_connect => sub {
		2996	my ($ns) = @_;
		2997
		2998	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2999	},
1999	on_reply => sub {	3000	on_reply => sub {
2000	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
2001		3002
2002	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
2003	# get handled first	3004	# get handled first
2004	my $queue = delete $ns->{query_queue}	3005	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	3006	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		3007
2007	(shift @$queue)->[1]->($msg);	3008	(shift @$queue)->[1]->($msg);
		3009	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		3010
2009	push @{ $ns->{query_queue} }, @$queue;	3011	push @{ $ns->{query_queue} }, @$queue;
2010		3012
2011	if (@{ $ns->{query_queue} } == @$queue) {	3013	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	3014	if (@$queue) {
…		…
2014	} else {	3016	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	3018	}
2017	}	3019	}
2018	},	3020	},
		3021	on_exticmd => sub {
		3022	my ($ns, $buf) = @_;
		3023
		3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3025
		3026	if (ref $msg) {
		3027	my ($type, $reply, @payload) =
		3028	"ARRAY" eq ref $msg
		3029	? @$msg
		3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3031
		3032	my @reply;
		3033
		3034	if (my $cb = $EXTICMD{$type}) {
		3035	@reply = $cb->($ns, @payload);
		3036	}
		3037
		3038	$ns->ext_reply ($reply, @reply)
		3039	if $reply;
		3040
		3041	} else {
		3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3043	}
		3044
		3045	cf::override;
		3046	},
2019	);	3047	);
2020		3048
2021	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
2022		3050
2023	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2066		3094
2067	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2068		3096
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3097	$safe->permit_only (Opcode::opset qw(
		3098	:base_core :base_mem :base_orig :base_math
		3099	grepstart grepwhile mapstart mapwhile
		3100	sort time
		3101	));
2070		3102
2071	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2072		3104
2073	=pod	3105	=pod
2074		3106
2075	The following fucntions and emthods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2076		3108
2077	cf::object contr pay_amount pay_player map	3109	cf::object
		3110	contr pay_amount pay_player map x y force_find force_add destroy
		3111	insert remove name archname title slaying race decrease split
		3112
2078	cf::object::player player	3113	cf::object::player
2079	cf::player peaceful	3114	player
2080	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2081		3121
2082	=cut	3122	=cut
2083		3123
2084	for (	3124	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3126	insert remove inv nrof name archname title slaying race
		3127	decrease split destroy)],
2086	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2089	) {	3131	) {
2090	no strict 'refs';	3132	no strict 'refs';
…		…
2161	=back	3203	=back
2162		3204
2163	=cut	3205	=cut
2164		3206
2165	#############################################################################	3207	#############################################################################
		3208	# the server's init and main functions
2166		3209
2167	=head2 EXTENSION DATABASE SUPPORT	3210	sub load_facedata($) {
		3211	my ($path) = @_;
2168		3212
2169	Crossfire maintains a very simple database for extension use. It can	3213	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3214	# for this (global event?)
2171	excludes objects.	3215	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3216
2173	The parameter C<$family> should best start with the name of the extension	3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3218
2176	=over 4	3219	warn "loading facedata from $path\n";
2177		3220
2178	=item $hashref = cf::db_get $family	3221	my $facedata;
		3222	0 < aio_load $path, $facedata
		3223	or die "$path: $!";
2179		3224
2180	Return a hashref for use by the extension C<$family>, which can be	3225	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3226
2184	=item $value = cf::db_get $family => $key	3227	$facedata->{version} == 2
		3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3229
2186	Returns a single value from the database	3230	# patch in the exptable
2187		3231	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3232	type => FT_RSRC,
2189		3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3234	};
		3235	cf::cede_to_tick;
2216		3236
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3237	{
		3238	my $faces = $facedata->{faceinfo};
2228		3239
2229	my $dirty;	3240	while (my ($face, $info) = each %$faces) {
		3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3242
2231	sub db_sync() {	3243	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3244	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2234	}	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2235		3247
2236	my $idle = Event->idle (	3248	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3249	}
2270	);
2271	}
2272		3250
2273	#############################################################################	3251	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3252	next unless $info->{smooth};
2275		3253
2276	sub cfg_load {	3254	my $idx = cf::face::find $face
		3255	or next;
		3256
		3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
		3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3260	} else {
		3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3262	}
		3263
		3264	cf::cede_to_tick;
		3265	}
		3266	}
		3267
		3268	{
		3269	my $anims = $facedata->{animinfo};
		3270
		3271	while (my ($anim, $info) = each %$anims) {
		3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3273	cf::cede_to_tick;
		3274	}
		3275
		3276	cf::anim::invalidate_all; # d'oh
		3277	}
		3278
		3279	{
		3280	# TODO: for gcfclient pleasure, we should give resources
		3281	# that gcfclient doesn't grok a >10000 face index.
		3282	my $res = $facedata->{resource};
		3283
		3284	while (my ($name, $info) = each %$res) {
		3285	if (defined $info->{type}) {
		3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3287	my $data;
		3288
		3289	if ($info->{type} & 1) {
		3290	# prepend meta info
		3291
		3292	my $meta = $enc->encode ({
		3293	name => $name,
		3294	%{ $info->{meta} || {} },
		3295	});
		3296
		3297	$data = pack "(w/a*)*", $meta, $info->{data};
		3298	} else {
		3299	$data = $info->{data};
		3300	}
		3301
		3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3303	cf::face::set_type $idx, $info->{type};
		3304	} else {
		3305	$RESOURCE{$name} = $info;
		3306	}
		3307
		3308	cf::cede_to_tick;
		3309	}
		3310	}
		3311
		3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3313
		3314	1
		3315	}
		3316
		3317	cf::global->attach (on_resource_update => sub {
		3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3320
		3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3322	my $sound = $soundconf->{compat}[$_]
		3323	or next;
		3324
		3325	my $face = cf::face::find "sound/$sound->[1]";
		3326	cf::sound::set $sound->[0] => $face;
		3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3328	}
		3329
		3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3331	my $face = cf::face::find "sound/$v";
		3332	cf::sound::set $k => $face;
		3333	}
		3334	}
		3335	});
		3336
		3337	register_exticmd fx_want => sub {
		3338	my ($ns, $want) = @_;
		3339
		3340	while (my ($k, $v) = each %$want) {
		3341	$ns->fx_want ($k, $v);
		3342	}
		3343	};
		3344
		3345	sub load_resource_file($) {
		3346	my $guard = lock_acquire "load_resource_file";
		3347
		3348	my $status = load_resource_file_ $_[0];
		3349	get_slot 0.1, 100;
		3350	cf::arch::commit_load;
		3351
		3352	$status
		3353	}
		3354
		3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	load_resource_file "$MAPDIR/regions"
		3361	or die "unable to load regions file\n";
		3362
		3363	for (cf::region::list) {
		3364	$_->{match} = qr/$_->{match}/
		3365	if exists $_->{match};
		3366	}
		3367	}
		3368
		3369	sub reload_facedata {
		3370	load_facedata "$DATADIR/facedata"
		3371	or die "unable to load facedata\n";
		3372	}
		3373
		3374	sub reload_archetypes {
		3375	load_resource_file "$DATADIR/archetypes"
		3376	or die "unable to load archetypes\n";
		3377	}
		3378
		3379	sub reload_treasures {
		3380	load_resource_file "$DATADIR/treasures"
		3381	or die "unable to load treasurelists\n";
		3382	}
		3383
		3384	sub reload_resources {
		3385	warn "reloading resource files...\n";
		3386
		3387	reload_facedata;
		3388	reload_archetypes;
		3389	reload_regions;
		3390	reload_treasures;
		3391
		3392	warn "finished reloading resource files\n";
		3393	}
		3394
		3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
		3398	reload_resources;
		3399	}
		3400
		3401	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3403	or return;
2279		3404
2280	local $/;	3405	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2282		3407
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3409
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2297	sub main {	3422	sub main {
2298	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3426	(async {
2302	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2304	};	3430	};
2305		3431
2306	cfg_load;	3432	{
2307	db_load;	3433	my $guard = freeze_mainloop;
		3434	reload_config;
		3435	db_init;
2308	load_extensions;	3436	load_extensions;
2309		3437
2310	$TICK_WATCHER->start;	3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3439	evthread_start IO::AIO::poll_fileno;
		3440	}
		3441
2311	Event::loop;	3442	EV::loop;
2312	}	3443	}
2313		3444
2314	#############################################################################	3445	#############################################################################
2315	# initialisation and cleanup	3446	# initialisation and cleanup
2316		3447
2317	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2318	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
2327	},
2328	);	3454	};
		3455	}
		3456	}
		3457
		3458	sub write_runtime_sync {
		3459	my $runtime = "$LOCALDIR/runtime";
		3460
		3461	# first touch the runtime file to show we are still running:
		3462	# the fsync below can take a very very long time.
		3463
		3464	IO::AIO::aio_utime $runtime, undef, undef;
		3465
		3466	my $guard = cf::lock_acquire "write_runtime";
		3467
		3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3469	or return;
		3470
		3471	my $value = $cf::RUNTIME + 90 + 10;
		3472	# 10 is the runtime save interval, for a monotonic clock
		3473	# 60 allows for the watchdog to kill the server.
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	# touch it again to show we are up-to-date
		3483	aio_utime $fh, undef, undef;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$runtime~", $runtime
		3489	and return;
		3490
		3491	warn "runtime file written.\n";
		3492
2329	}	3493	1
		3494	}
		3495
		3496	our $uuid_lock;
		3497	our $uuid_skip;
		3498
		3499	sub write_uuid_sync($) {
		3500	$uuid_skip ||= $_[0];
		3501
		3502	return if $uuid_lock;
		3503	local $uuid_lock = 1;
		3504
		3505	my $uuid = "$LOCALDIR/uuid";
		3506
		3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3508	or return;
		3509
		3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2330	}	3537	}
2331		3538
2332	sub emergency_save() {	3539	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2334		3541
…		…
2340	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2342	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3553	$pl->save;
2346	}	3554	}
2347	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2348		3556
2349	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2351	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3560	$map->valid or next;
2353	$map->save;	3561	$map->save;
2354	}	3562	}
2355	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
		3564
		3565	warn "begin emergency database checkpoint\n";
		3566	BDB::db_env_txn_checkpoint $DB_ENV;
		3567	warn "end emergency database checkpoint\n";
		3568
		3569	warn "begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "end write uuid\n";
2356	};	3572	};
2357		3573
2358	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2359	}	3575	}
2360		3576
		3577	sub post_cleanup {
		3578	my ($make_core) = @_;
		3579
		3580	warn Carp::longmess "post_cleanup backtrace"
		3581	if $make_core;
		3582	}
		3583
2361	sub reload() {	3584	sub do_reload_perl() {
2362	# can/must only be called in main	3585	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2365	return;	3588	return;
2366	}	3589	}
2367		3590
2368	warn "reloading...";	3591	warn "reloading...";
2369		3592
2370	warn "cancelling server ticker";	3593	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2373	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2374		3599
2375	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2376	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385		3604
2386	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2387	for (;;) {	3606	for (;;) {
		3607	BDB::flush;
2388	IO::AIO::flush;	3608	IO::AIO::flush;
2389	Coro::cede;	3609	Coro::cede_notself;
2390	last unless IO::AIO::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	3611	warn "iterate...";
2392	}	3612	}
		3613
		3614	++$RELOAD;
2393		3615
2394	warn "cancelling all extension coros";	3616	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3617	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3618	%EXT_CORO = ();
2397		3619
2398	warn "removing commands";	3620	warn "removing commands";
2399	%COMMAND = ();	3621	%COMMAND = ();
2400		3622
2401	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2402	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2403		3626
2404	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2407		3630
…		…
2437	Symbol::delete_package "safe::$_"	3660	Symbol::delete_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3662
2440	warn "unloading cf.pm \"a bit\"";	3663	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3664	delete $INC{"cf.pm"};
		3665	delete $INC{"cf/pod.pm"};
2442		3666
2443	# don't, removes xs symbols, too,	3667	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3668	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3669	#Symbol::delete_package __PACKAGE__;
2446		3670
…		…
2449	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2450	require cf;	3674	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3676
2453	warn "loading config and database again";	3677	warn "loading config and database again";
2454	cf::cfg_load;	3678	cf::reload_config;
2455	cf::db_load;
2456		3679
2457	warn "loading extensions";	3680	warn "loading extensions";
2458	cf::load_extensions;	3681	cf::load_extensions;
2459		3682
2460	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3684	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3685	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3686	reattach $_ for values %MAP;
		3687	warn "reattaching attachments to players";
		3688	reattach $_ for values %PLAYER;
2464		3689
2465	warn "restarting server ticker";	3690	warn "leaving sync_job";
2466		3691
2467	$TICK_WATCHER->start;	3692	1
		3693	} or do {
		3694	warn $@;
		3695	cf::cleanup "error while reloading, exiting.";
2468	};	3696	};
2469
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475		3697
2476	warn "reloaded";	3698	warn "reloaded";
2477	};	3699	};
2478		3700
2479	our $RELOAD_WATCHER; # used only during reload	3701	our $RELOAD_WATCHER; # used only during reload
2480		3702
		3703	sub reload_perl() {
		3704	# doing reload synchronously and two reloads happen back-to-back,
		3705	# coro crashes during coro_state_free->destroy here.
		3706
		3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3708	do_reload_perl;
		3709	undef $RELOAD_WATCHER;
		3710	};
		3711	}
		3712
2481	register_command "reload" => sub {	3713	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2483		3715
2484	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
2486		3718	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	3719	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	3720	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	3721	};
2499	}	3722	}
2500	};	3723	};
2501		3724
2502	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2503		3726
2504	my $bug_warning = 0;	3727	my $bug_warning = 0;
2505		3728
2506	$TICK_WATCHER = Event->timer (	3729	our @WAIT_FOR_TICK;
2507	reentrant => 0,	3730	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	3731
2509	prio => 0,	3732	sub wait_for_tick {
2510	at => $NEXT_TICK || $TICK,	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	3734
2512	cb => sub {	3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub wait_for_tick_begin {
		3741	return if tick_inhibit || $Coro::current == $Coro::main;
		3742
		3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK_BEGIN, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub tick {
2513	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2516	return;	3752	return;
2517	}	3753	}
2518		3754
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		3756
2525	$WAIT_FOR_TICK->broadcast;	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2527		3759	Coro::async_pool {
2528	Event::sweep;	3760	$Coro::current->{desc} = "runtime saver";
2529	Coro::cede_notself;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},
2540	);
2541
2542	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553
2554	$WRITE_RUNTIME_WATCHER = Event->timer (
2555	reentrant => 0,
2556	data => WF_AUTOCANCEL,
2557	after => 1,
2558	interval => 10,
2559	prio => 6, # keep it lowest so it acts like a watchdog
2560	cb => Coro::unblock_sub {
2561	write_runtime	3761	write_runtime_sync
2562	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
		3763	};
2563	},	3764	}
2564	);	3765
		3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3767	$sig->send;
		3768	}
		3769	while (my $sig = shift @WAIT_FOR_TICK) {
		3770	$sig->send;
		3771	}
		3772
		3773	$LOAD = ($NOW - $TICK_START) / $TICK;
		3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3775
		3776	if (0) {
		3777	if ($NEXT_TICK) {
		3778	my $jitter = $TICK_START - $NEXT_TICK;
		3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3780	warn "jitter $JITTER\n";#d#
		3781	}
		3782	}
		3783	}
		3784
		3785	{
		3786	# configure BDB
		3787
		3788	BDB::min_parallel 8;
		3789	BDB::max_poll_reqs $TICK * 0.1;
		3790	$Coro::BDB::WATCHER->priority (1);
		3791
		3792	unless ($DB_ENV) {
		3793	$DB_ENV = BDB::db_env_create;
		3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3795	| BDB::LOG_AUTOREMOVE, 1);
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3798
		3799	cf::sync_job {
		3800	eval {
		3801	BDB::db_env_open
		3802	$DB_ENV,
		3803	$BDBDIR,
		3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3806	0666;
		3807
		3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3809	};
		3810
		3811	cf::cleanup "db_env_open(db): $@" if $@;
		3812	};
		3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
		3824	}
		3825
		3826	{
		3827	# configure IO::AIO
		3828
		3829	IO::AIO::min_parallel 8;
		3830	IO::AIO::max_poll_time $TICK * 0.1;
		3831	$Coro::AIO::WATCHER->priority (1);
		3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
		3847	my @bt = fork_call {
		3848	@addr = map { sprintf "%x", $_ } @addr;
		3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3851	or die "addr2line: $!";
		3852
		3853	my @funcs;
		3854	my @res = <$fh>;
		3855	chomp for @res;
		3856	while (@res) {
		3857	my ($func, $line) = splice @res, 0, 2, ();
		3858	push @funcs, "[$func] $line";
		3859	}
		3860
		3861	@funcs
		3862	};
		3863
		3864	LOG llevInfo, "[ABT] $msg\n";
		3865	LOG llevInfo, "[ABT] $_\n" for @bt;
		3866	--$_log_backtrace;
		3867	};
		3868	} else {
		3869	LOG llevInfo, "[ABT] $msg\n";
		3870	LOG llevInfo, "[ABT] [suppressed]\n";
		3871	}
		3872	}
		3873
		3874	# load additional modules
		3875	use cf::pod;
2565		3876
2566	END { cf::emergency_save }	3877	END { cf::emergency_save }
2567		3878
2568	1	3879	1
2569		3880

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