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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.190 by root, Mon Jan 22 03:44:41 2007 UTC vs.
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.4 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	154	every server tick.
102		155
103	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		239
151	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
353		538
354	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		540
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
362	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	close $fh	548	my @res = Coro::Util::fork_eval {
365	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
367	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
368	and return;	554	}
369		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
370	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	719	}
372		720
373	=back	721	=back
374		722
375	=cut	723	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
384		732
385	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	735	Deliantra).
388		736
389	=over 4	737	=over 4
390		738
391	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
392		740
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
556		904
557	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		909
562	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	911	my $pkg = shift @arg;
564		912
565	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
595	}	943	}
596		944
597	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
598	} else {	946	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	948	}
601		949
602	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
603	}	951	}
604		952
…		…
606	if (ref $_[0]) {	954	if (ref $_[0]) {
607	_object_attach @_;	955	_object_attach @_;
608	} else {	956	} else {
609	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
610	}	958	}
		959	_recalc_want;
611	};	960	};
612		961
613	# all those should be optimised	962	# all those should be optimised
614	sub cf::attachable::detach {	963	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
619	reattach ($obj);	968	reattach ($obj);
620	} else {	969	} else {
621	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
622	}	971	}
		972	_recalc_want;
623	};	973	};
624		974
625	sub cf::attachable::attached {	975	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
627		977
…		…
642	";	992	";
643	die if $@;	993	die if $@;
644	}	994	}
645		995
646	our $override;	996	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		998
649	sub override {	999	sub override {
650	$override = 1;	1000	$override = 1;
651	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
652	}	1002	}
653		1003
654	sub do_invoke {	1004	sub do_invoke {
655	my $event = shift;	1005	my $event = shift;
656	my $callbacks = shift;	1006	my $callbacks = shift;
657		1007
658	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
659		1009
660	local $override;	1010	local $override;
661		1011
662	for (@$callbacks) {	1012	for (@$callbacks) {
663	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
672	}	1022	}
673		1023
674	0	1024	0
675	}	1025	}
676		1026
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1028
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1030
681	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
682		1032
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1036
687	=back	1037	=back
688		1038
689	=cut	1039	=cut
690		1040
691	#############################################################################	1041	#############################################################################
692	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
693		1085
694	sub reattach {	1086	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1088	my ($obj) = @_;
697		1089
…		…
718	cf::attachable->attach (	1110	cf::attachable->attach (
719	prio => -1000000,	1111	prio => -1000000,
720	on_instantiate => sub {	1112	on_instantiate => sub {
721	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
722		1114
723	$data = from_json $data;	1115	$data = decode_json $data;
724		1116
725	for (@$data) {	1117	for (@$data) {
726	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
727		1119
728	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1136	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
746		1138
747	sync_job {	1139	sync_job {
748	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
751		1144
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1149	aio_close $fh;
757		1150
758	if (@$objs) {	1151	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1157	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
766	}	1159	}
767	} else {	1160	} else {
768	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
769	}	1162	}
…		…
774	}	1167	}
775	} else {	1168	} else {
776	aio_unlink $filename;	1169	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
778	}	1171	}
779	}	1172	};
780	}	1173	}
781		1174
782	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
784		1177
…		…
796	or return;	1189	or return;
797		1190
798	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
800	or return;	1193	or return;
		1194
801	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
802	}	1197	}
803		1198
		1199	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
806	return ($data, $av);	1203	($data, $av)
807	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
808		1211
809	#############################################################################	1212	#############################################################################
810	# command handling &c	1213	# command handling &c
811		1214
812	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1229	}
827		1230
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1232
830	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
831		1238
832	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
833	called.	1240	called.
834		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
835	=cut	1253	=cut
836		1254
837	sub register_extcmd {	1255	sub register_extcmd {
838	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
839		1257
840	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
841	}	1265	}
842		1266
843	cf::player->attach (	1267	cf::player->attach (
844	on_command => sub {	1268	on_command => sub {
845	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1278	cf::override;
855	},	1279	},
856	on_extcmd => sub {	1280	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
858		1282
859	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1284
861	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
867	} else {	1300	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1302	}
870		1303
871	cf::override;	1304	cf::override;
872	},	1305	},
873	);	1306	);
874		1307
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
910	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1313	next unless -r $path;
912	eval {	1314
913	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
914	1	1371	}
915	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
916	}	1377	};
917	}	1378	}
918		1379
919	#############################################################################	1380	#############################################################################
920		1381
		1382	=back
		1383
921	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
922		1385
923	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
924		1387
925	=cut	1388	=cut
…		…
930		1393
931	=head3 cf::player	1394	=head3 cf::player
932		1395
933	=over 4	1396	=over 4
934		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
935	=item cf::player::find $login	1412	=item cf::player::find $login
936		1413
937	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
938		1415
939	=cut	1416	=cut
940		1417
941	sub playerdir($) {	1418	sub playerdir($) {
942	cf::localdir	1419	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1421	}
948		1422
949	sub path($) {	1423	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1425
952	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
953	}	1427	}
954		1428
955	sub find_active($) {	1429	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1444	my $login = $_[0];
971		1445
972	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
973		1447
974	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
976	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
978	}	1465	}
979	}	1466	}
980	}	1467	}
981		1468
…		…
990	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
991		1478
992	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
994		1481
		1482	cf::get_slot 0.01;
		1483
995	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
996	Coro::cede;	1485	cf::cede_to_tick;
997	}	1486	}
998		1487
999	sub new($) {	1488	sub new($) {
1000	my ($login) = @_;	1489	my ($login) = @_;
1001		1490
…		…
1007	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1008		1497
1009	$self	1498	$self
1010	}	1499	}
1011		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
1012	=item $pl->quit_character	1511	=item $pl->quit_character
1013		1512
1014	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1016		1515
1017	=cut	1516	=cut
1018		1517
1019	sub quit_character {	1518	sub quit_character {
1020	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1021		1522
1022	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1023	$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
1024		1525
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1557	}
1037		1558
1038	=item cf::player::list_logins	1559	=item cf::player::list_logins
1039		1560
1040	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
1041	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1042		1563
1043	=cut	1564	=cut
1044		1565
1045	sub list_logins {	1566	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1568	or return [];
1048		1569
1049	my @logins;	1570	my @logins;
1050		1571
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1055		1582
1056	utf8::decode $login;	1583	utf8::decode $login;
1057	push @logins, $login;	1584	push @logins, $login;
1058	}	1585	}
1059		1586
…		…
1067		1594
1068	=cut	1595	=cut
1069		1596
1070	sub maps($) {	1597	sub maps($) {
1071	my ($pl) = @_;	1598	my ($pl) = @_;
		1599
		1600	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1601
1073	my $files = aio_readdir playerdir $pl	1602	my $files = aio_readdir playerdir $pl
1074	or return;	1603	or return;
1075		1604
1076	my @paths;	1605	my @paths;
…		…
1078	for (@$files) {	1607	for (@$files) {
1079	utf8::decode $_;	1608	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1609	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1610	next unless /^$PATH_SEP/o;
1082		1611
1083	s/\.map$//;	1612	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1613	}
1086		1614
1087	\@paths	1615	\@paths
1088	}	1616	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1091		1712
1092	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1093		1714
1094	=cut	1715	=cut
1095		1716
1096	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1098		1719
1099	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1721	}
1103		1722
1104	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	}
1105		1763
1106	=back	1764	=back
1107
1108		1765
1109	=head3 cf::map	1766	=head3 cf::map
1110		1767
1111	=over 4	1768	=over 4
1112		1769
…		…
1124	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1126		1783
1127	sub generate_random_map {	1784	sub generate_random_map {
1128	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
1129	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1790	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1168		1828
1169	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1170	local $self->{path};	1830	local $self->{path};
1171	local $self->{load_path};	1831	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1832
1175	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1176	}	1834	}
1177		1835
1178	sub normalise {	1836	sub normalise {
1179	my ($path, $base) = @_;	1837	my ($path, $base) = @_;
		1838
		1839	$path = "$path"; # make sure its a string
		1840
		1841	$path =~ s/\.map$//;
1180		1842
1181	# map plan:	1843	# map plan:
1182	#	1844	#
1183	# /! non-realised random map exit (special hack!)	1845	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1846	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1222	return $self;	1884	return $self;
1223	}	1885	}
1224	}	1886	}
1225		1887
1226	Carp::carp "unable to resolve path '$path'.";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1889	()
1228	}	1890	}
1229		1891
1230	sub init {	1892	sub init {
1231	my ($self) = @_;	1893	my ($self) = @_;
…		…
1246		1908
1247	# the original (read-only) location	1909	# the original (read-only) location
1248	sub load_path {	1910	sub load_path {
1249	my ($self) = @_;	1911	my ($self) = @_;
1250		1912
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1252	}	1914	}
1253		1915
1254	# the temporary/swap location	1916	# the temporary/swap location
1255	sub save_path {	1917	sub save_path {
1256	my ($self) = @_;	1918	my ($self) = @_;
1257		1919
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1260	}	1922	}
1261		1923
1262	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1263	sub uniq_path {	1925	sub uniq_path {
1264	my ($self) = @_;	1926	my ($self) = @_;
1265		1927
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1268	}	1930	}
1269		1931
1270	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1271	# all maps in C++...	1933	# all maps in C++...
1272	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1274		1936
1275	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1277	}	1939	}
1278		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1279	sub unlink_save {	1949	sub unlink_save {
1280	my ($self) = @_;	1950	my ($self) = @_;
1281		1951
1282	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1956
1287	sub load_header_from($) {	1957	sub load_header_from($) {
1288	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1289		1959
1290	utf8::encode $path;	1960	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1292	or return;	1962	or return;
1293		1963
1294	$self->_load_header ($path)	1964	$self->_load_header ($f)
1295	or return;	1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1296		1969
1297	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1298		1971
1299	1	1972	1
1300	}	1973	}
…		…
1339	$self->load_header_orig	2012	$self->load_header_orig
1340	or return;	2013	or return;
1341	$self->prepare_orig;	2014	$self->prepare_orig;
1342	}	2015	}
1343		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
1344	1	2023	1
1345	}	2024	}
1346		2025
1347	sub find;	2026	sub find;
1348	sub find {	2027	sub find {
1349	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1350		2029
1351	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1352		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1354		2034
1355	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1356	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1357	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1358	or return;	2040	or return;
1359		2041
1360	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1361		2043
1362	$map->load_header	2044	$map->load_header
1363	or return;	2045	or return;
1364		2046
1365	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1368	$map->reset;	2052	$map->reset;
1369	undef $guard;
1370	$map = find $path	2053	return find $path;
1371	or return;
1372	}	2054	}
1373		2055
1374	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1375	}	2057	}
1376	}	2058	}
…		…
1379	sub post_load { }	2061	sub post_load { }
1380		2062
1381	sub load {	2063	sub load {
1382	my ($self) = @_;	2064	my ($self) = @_;
1383		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1384	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1385	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1386		2072
		2073	return unless $self->valid;
1387	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1388		2075
1389	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1390		2077
1391	$self->alloc;	2078	$self->alloc;
1392		2079
1393	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1394		2082
1395	$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)
1396	or return;	2086	or return;
1397		2087
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};	2089	if delete $self->{load_original};
1400		2090
1401	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	2092	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	2095	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1406	}	2099	}
1407	}	2100	}
1408		2101
1409	Coro::cede;	2102	$f->resolve_delayed_derefs;
1410		2103
		2104	cf::cede_to_tick;
1411	# now do the right thing for maps	2105	# now do the right thing for maps
1412	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	2108	unless $self->difficulty;
1422	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;
1423	$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);
1424	}	2125	}
1425		2126
1426	$self->post_load;	2127	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	2128	}
1430		2129
1431	sub customise_for {	2130	sub customise_for {
1432	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1433		2132
1434	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	2134	if $self->per_player;
1436		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1437	$self	2139	$self
1438	}	2140	}
1439		2141
1440	# 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
1441	sub load_diag {	2143	sub load_neighbours {
1442	my ($map) = @_;	2144	my ($map) = @_;
1443		2145
1444	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1445		2147
1446	for (0 .. 3) {	2148	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1448	or next;	2150	or next;
1449	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1450	or next;	2152	or next;
1451	$neigh->load;	2153	$neigh->load;
1452		2154
		2155	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2158	}
1456		2159
1457	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1459	or next;	2163	or next;
1460	$neigh->load;	2164	$neigh->load;
1461	}	2165	}
1462	}	2166	}
1463		2167
…		…
1468	}	2172	}
1469		2173
1470	sub do_load_sync {	2174	sub do_load_sync {
1471	my ($map) = @_;	2175	my ($map) = @_;
1472		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1473	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1474	}	2181	}
1475		2182
1476	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1478		2185
1479	sub find_async {	2186	sub find_async {
1480	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1481		2188
1482	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1483		2190
1484	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1486	}	2193	}
1487		2194
1488	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1489	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1490	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2202	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2203	$map->load if $v;
		2204	}
1495		2205
1496	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1497	}	2207	}
1498	}	2208	}
1499	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1500	};	2210	};
1501	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1504	}	2214	}
1505		2215
1506	sub save {	2216	sub save {
1507	my ($self) = @_;	2217	my ($self) = @_;
1508		2218
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1510		2220
1511	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1512		2222
1513	return unless $self->dirty;	2223	return unless $self->dirty;
1514		2224
…		…
1520	return if $self->{deny_save};	2230	return if $self->{deny_save};
1521		2231
1522	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1523		2233
1524	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1525	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1526	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1527		2240
1528	if ($uniq) {	2241	if ($uniq) {
1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1531	} else {	2244	} else {
…		…
1537	my ($self) = @_;	2250	my ($self) = @_;
1538		2251
1539	# save first because save cedes	2252	# save first because save cedes
1540	$self->save;	2253	$self->save;
1541		2254
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2256
1544	return if $self->players;	2257	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1546	return if $self->{deny_save};	2259	return if $self->{deny_save};
1547		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1548	$self->clear;	2265	$self->clear;
1549	$self->in_memory (cf::MAP_SWAPPED);
1550	}	2266	}
1551		2267
1552	sub reset_at {	2268	sub reset_at {
1553	my ($self) = @_;	2269	my ($self) = @_;
1554		2270
1555	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1558		2273
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	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;
1561		2276
…		…
1572	my ($self) = @_;	2287	my ($self) = @_;
1573		2288
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2290
1576	return if $self->players;	2291	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2292
1579	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	}
1580		2304
1581	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1582		2306
1583	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1584	$self->clear;	2309	$self->clear;
1585
1586	$_->clear_links_to ($self) for values %cf::MAP;
1587		2310
1588	$self->unlink_save;	2311	$self->unlink_save;
1589	$self->destroy;	2312	$self->destroy;
1590	}	2313	}
1591		2314
1592	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1593		2316
1594	sub nuke {	2317	sub nuke {
1595	my ($self) = @_;	2318	my ($self) = @_;
1596		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1597	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1598		2324
1599	$self->unlink_save;	2325	$self->unlink_save;
1600		2326
1601	bless $self, "cf::map";	2327	bless $self, "cf::map";
1602	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2332
1607	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1608		2335
1609	$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	]
1610	}	2373	}
1611		2374
1612	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1613		2376
1614	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2378	instantiated unique items. May block.
1616		2379
1617	=cut	2380	=cut
1618		2381
1619	sub unique_maps() {	2382	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1621	or return;	2384	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2385	utf8::decode $_;
1627	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1628	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1629		2388	? ()
1630	s/\.map$//;	2389	: normalise $_
1631	push @paths, $_;	2390	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2391	]
1633
1634	\@paths
1635	}	2392	}
1636
1637	package cf;
1638		2393
1639	=back	2394	=back
1640		2395
1641	=head3 cf::object	2396	=head3 cf::object
1642		2397
…		…
1646		2401
1647	=over 4	2402	=over 4
1648		2403
1649	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1650		2405
1651	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.
1652		2408
1653	=cut	2409	=cut
1654		2410
1655	sub inv_recursive_;	2411	sub inv_recursive_;
1656	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1659		2415
1660	sub inv_recursive {	2416	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1662	}	2418	}
1663		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
1664	package cf;	2448	package cf;
1665		2449
1666	=back	2450	=back
1667		2451
1668	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1674	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>
1675	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
1676	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1677		2461
1678	=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	};
1679		2477
1680	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2479	# with dialog boxes.
1682	#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
1683	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1685		2483
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2485
1688	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1690	} 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 {
1691	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1693	}	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 (@_);
1694	}	2511	}
1695		2512
1696	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1697		2514
1698	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1730	=cut	2547	=cut
1731		2548
1732	sub link_map {	2549	sub link_map {
1733	unless ($LINK_MAP) {	2550	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2551	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2552	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2553	$LINK_MAP->load;
1737	}	2554	}
1738		2555
1739	$LINK_MAP	2556	$LINK_MAP
1740	}	2557	}
…		…
1745	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1746		2563
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2565
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1751		2568
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2570	}
1754		2571
1755	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1757		2576
1758	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1759		2578
1760	unless ($map) {	2579	unless ($map) {
1761	# restore original map position	2580	# restore original map position
…		…
1775	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1778		2597
1779	$map->load;	2598	$map->load;
1780	$map->load_diag;	2599	$map->load_neighbours;
1781		2600
1782	return unless $self->contr->active;	2601	return unless $self->contr->active;
1783	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1785	}	2606	}
1786		2607
1787	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1788	on_logout => sub {
1789	my ($pl) = @_;
1790		2609
1791	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1792	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1793	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1794	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1795	};	2614	be called at the end of this process.
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2615
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)
1820
1821	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1822		2619
1823	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1824	my ($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;
1825		2625
1826	$self->enter_link;	2626	$self->enter_link;
1827		2627
1828	(async {	2628	(async {
1829	my $map = cf::map::find $path;	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
		2650	my $map = eval {
		2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
1831		2655	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2656	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
1836		2659
		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 $@;
		2666	}
		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1838	})->prio (1);	2674	})->prio (1);
1839	}	2675	}
1840		2676
1841	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1842		2678
…		…
1871	# that depends on the exit object	2707	# that depends on the exit object
1872		2708
1873	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1874		2710
1875	if ($exit->map) {	2711	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1880	}	2716	}
1881		2717
1882	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1883		2719
1884	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1885	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1887		2723
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2726	undef $fh;
1891	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2734	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2735	my ($self, $exit) = @_;
1900		2736
1901	return unless $self->type == cf::PLAYER;	2737	return unless $self->type == cf::PLAYER;
1902		2738
		2739	if ($exit->slaying eq "/!") {
		2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2741	# the problem is that $exit might not survive long enough
		2742	# so it needs to be done right now, right here
		2743	cf::sync_job { prepare_random_map $exit };
		2744	}
		2745
		2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2747	my $hp = $exit->stats->hp;
		2748	my $sp = $exit->stats->sp;
		2749
1903	$self->enter_link;	2750	$self->enter_link;
1904		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
1905	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
1906	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2760	unless (eval {
1908	prepare_random_map $exit	2761	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2762
1914	1;	2763	1;
1915	}) {	2764	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2765	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2766	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2767	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2768	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2769
1921	warn "ERROR in enter_exit: $@";	2770	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2771	$self->leave_link;
1923	}	2772	}
1924	})->prio (1);	2773	})->prio (1);
…		…
1937		2786
1938	sub cf::client::send_drawinfo {	2787	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2788	my ($self, $text, $flags) = @_;
1940		2789
1941	utf8::encode $text;	2790	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2792	}
1944		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
		2924	=item $client->ext_msg ($type, @msg)
		2925
		2926	Sends an ext event to the client.
		2927
		2928	=cut
		2929
		2930	sub cf::client::ext_msg($$@) {
		2931	my ($self, $type, @msg) = @_;
		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
		2936	push @msg, msgtype => "event_$type";
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
		2957	}
1945		2958
1946	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
1947		2960
1948	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2964
1952	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2966	become reliable at some point in the future.
1954		2967
1955	=cut	2968	=cut
1956		2969
1957	sub cf::client::query {	2970	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2979	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2981
1969	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
1971	}	2986	}
1972		2987
1973	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
1974	on_reply => sub {	2994	on_reply => sub {
1975	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
1976		2996
1977	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
1978	# get handled first	2998	# get handled first
1979	my $queue = delete $ns->{query_queue}	2999	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	3000	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		3001
1982	(shift @$queue)->[1]->($msg);	3002	(shift @$queue)->[1]->($msg);
		3003	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		3004
1984	push @{ $ns->{query_queue} }, @$queue;	3005	push @{ $ns->{query_queue} }, @$queue;
1985		3006
1986	if (@{ $ns->{query_queue} } == @$queue) {	3007	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	3008	if (@$queue) {
…		…
1989	} else {	3010	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	3012	}
1992	}	3013	}
1993	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
1994	);	3041	);
1995		3042
1996	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
1997		3044
1998	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2041		3088
2042	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2043		3090
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2045		3096
2046	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2047		3098
2048	=pod	3099	=pod
2049		3100
2050	The following fucntions and emthods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2051		3102
2052	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2053	cf::object::player player	3107	cf::object::player
2054	cf::player peaceful	3108	player
2055	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2056		3115
2057	=cut	3116	=cut
2058		3117
2059	for (	3118	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2061	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2064	) {	3125	) {
2065	no strict 'refs';	3126	no strict 'refs';
…		…
2136	=back	3197	=back
2137		3198
2138	=cut	3199	=cut
2139		3200
2140	#############################################################################	3201	#############################################################################
		3202	# the server's init and main functions
2141		3203
2142	=head2 EXTENSION DATABASE SUPPORT	3204	sub load_facedata($) {
		3205	my ($path) = @_;
2143		3206
2144	Crossfire maintains a very simple database for extension use. It can	3207	# HACK to clear player env face cache, we need some signal framework
2145	currently store anything that can be serialised using Storable, which	3208	# for this (global event?)
2146	excludes objects.	3209	%ext::player_env::MUSIC_FACE_CACHE = ();
2147		3210
2148	The parameter C<$family> should best start with the name of the extension	3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2149	using it, it should be unique.
2150		3212
2151	=over 4	3213	warn "loading facedata from $path\n";
2152		3214
2153	=item $hashref = cf::db_get $family	3215	my $facedata;
		3216	0 < aio_load $path, $facedata
		3217	or die "$path: $!";
2154		3218
2155	Return a hashref for use by the extension C<$family>, which can be	3219	$facedata = Coro::Storable::thaw $facedata;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		3220
2159	=item $value = cf::db_get $family => $key	3221	$facedata->{version} == 2
		3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		3223
2161	Returns a single value from the database	3224	# patch in the exptable
2162		3225	$facedata->{resource}{"res/exp_table"} = {
2163	=item cf::db_put $family => $hashref	3226	type => FT_RSRC,
2164		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	3228	};
		3229	cf::cede_to_tick;
2191		3230
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	3231	{
		3232	my $faces = $facedata->{faceinfo};
2203		3233
2204	my $dirty;	3234	while (my ($face, $info) = each %$faces) {
		3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205		3236
2206	sub db_sync() {	3237	cf::face::set_visibility $idx, $info->{visibility};
2207	db_save if $dirty;	3238	cf::face::set_magicmap $idx, $info->{magicmap};
2208	undef $dirty;	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	}	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		3241
2211	my $idle = Event->idle (	3242	cf::cede_to_tick;
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	3243	}
2245	);
2246	}
2247		3244
2248	#############################################################################	3245	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	3246	next unless $info->{smooth};
2250		3247
2251	sub cfg_load {	3248	my $idx = cf::face::find $face
		3249	or next;
		3250
		3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
		3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3254	} else {
		3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	{
		3263	my $anims = $facedata->{animinfo};
		3264
		3265	while (my ($anim, $info) = each %$anims) {
		3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3267	cf::cede_to_tick;
		3268	}
		3269
		3270	cf::anim::invalidate_all; # d'oh
		3271	}
		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
		3308	1
		3309	}
		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
		3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
		3363	sub reload_facedata {
		3364	load_facedata "$DATADIR/facedata"
		3365	or die "unable to load facedata\n";
		3366	}
		3367
		3368	sub reload_archetypes {
		3369	load_resource_file "$DATADIR/archetypes"
		3370	or die "unable to load archetypes\n";
		3371	}
		3372
		3373	sub reload_treasures {
		3374	load_resource_file "$DATADIR/treasures"
		3375	or die "unable to load treasurelists\n";
		3376	}
		3377
		3378	sub reload_resources {
		3379	warn "reloading resource files...\n";
		3380
		3381	reload_facedata;
		3382	reload_archetypes;
		3383	reload_regions;
		3384	reload_treasures;
		3385
		3386	warn "finished reloading resource files\n";
		3387	}
		3388
		3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
		3392	reload_resources;
		3393	}
		3394
		3395	sub reload_config {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	3397	or return;
2254		3398
2255	local $/;	3399	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2257		3401
2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2259		3403
2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2272	sub main {	3416	sub main {
2273	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2274	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276	(async {	3420	(async {
2277	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2278	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2279	};	3424	};
2280		3425
2281	cfg_load;	3426	{
2282	db_load;	3427	my $guard = freeze_mainloop;
		3428	reload_config;
		3429	db_init;
2283	load_extensions;	3430	load_extensions;
2284		3431
2285	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2286	Event::loop;	3436	EV::loop;
2287	}	3437	}
2288		3438
2289	#############################################################################	3439	#############################################################################
2290	# initialisation and cleanup	3440	# initialisation and cleanup
2291		3441
2292	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2293	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2294	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2296	reentrant => 0,
2297	data => WF_AUTOCANCEL,
2298	signal => $signal,
2299	cb => sub {
2300	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2301	},
2302	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2303	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2304	}	3531	}
2305		3532
2306	sub emergency_save() {	3533	sub emergency_save() {
2307	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2308		3535
…		…
2314	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2315	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2316	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2317	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2318	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2319	$pl->save;	3547	$pl->save;
2320	}	3548	}
2321	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2322		3550
2323	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2325	my $map = $cf::MAP{$path} or next;	3553	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	3554	$map->valid or next;
2327	$map->save;	3555	$map->save;
2328	}	3556	}
2329	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
		3558
		3559	warn "begin emergency database checkpoint\n";
		3560	BDB::db_env_txn_checkpoint $DB_ENV;
		3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2330	};	3566	};
2331		3567
2332	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2333	}	3569	}
2334		3570
		3571	sub post_cleanup {
		3572	my ($make_core) = @_;
		3573
		3574	warn Carp::longmess "post_cleanup backtrace"
		3575	if $make_core;
		3576	}
		3577
2335	sub reload() {	3578	sub do_reload_perl() {
2336	# can/must only be called in main	3579	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	3580	if ($Coro::current != $Coro::main) {
2338	warn "can only reload from main coroutine";	3581	warn "can only reload from main coroutine";
2339	return;	3582	return;
2340	}	3583	}
2341		3584
2342	warn "reloading...";	3585	warn "reloading...";
2343		3586
2344	warn "cancelling server ticker";	3587	warn "entering sync_job";
2345	$TICK_WATCHER->cancel;
2346		3588
		3589	cf::sync_job {
		3590	cf::write_runtime_sync; # external watchdog should not bark
2347	cf::emergency_save;	3591	cf::emergency_save;
		3592	cf::write_runtime_sync; # external watchdog should not bark
2348		3593
2349	eval {	3594	warn "syncing database to disk";
		3595	BDB::db_env_txn_checkpoint $DB_ENV;
		3596
2350	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354
2355	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}
2359		3598
2360	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2361	for (;;) {	3600	for (;;) {
		3601	BDB::flush;
2362	IO::AIO::flush;	3602	IO::AIO::flush;
2363	Coro::cede;	3603	Coro::cede_notself;
2364	last unless IO::AIO::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2365	warn "iterate...";	3605	warn "iterate...";
2366	}	3606	}
		3607
		3608	++$RELOAD;
2367		3609
2368	warn "cancelling all extension coros";	3610	warn "cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	3611	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	3612	%EXT_CORO = ();
2371		3613
2372	warn "removing commands";	3614	warn "removing commands";
2373	%COMMAND = ();	3615	%COMMAND = ();
2374		3616
2375	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2376	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2377		3620
2378	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2379	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2380	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2381		3624
…		…
2411	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		3656
2414	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2416		3660
2417	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2418	# and global variables created in xs	3662	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2420		3664
…		…
2423	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2424	require cf;	3668	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426		3670
2427	warn "loading config and database again";	3671	warn "loading config and database again";
2428	cf::cfg_load;	3672	cf::reload_config;
2429	cf::db_load;
2430		3673
2431	warn "loading extensions";	3674	warn "loading extensions";
2432	cf::load_extensions;	3675	cf::load_extensions;
2433		3676
2434	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2435	_global_reattach;	3678	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2437	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2438		3683
2439	warn "restarting server ticker";	3684	warn "leaving sync_job";
2440		3685
2441	$TICK_WATCHER->start;	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
2442	};	3690	};
2443
2444	if ($@) {
2445	warn $@;
2446	warn "error while reloading, exiting.";
2447	exit 1;
2448	}
2449		3691
2450	warn "reloaded";	3692	warn "reloaded";
2451	};	3693	};
2452		3694
2453	our $RELOAD_WATCHER; # used only during reload	3695	our $RELOAD_WATCHER; # used only during reload
2454		3696
		3697	sub reload_perl() {
		3698	# doing reload synchronously and two reloads happen back-to-back,
		3699	# coro crashes during coro_state_free->destroy here.
		3700
		3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3702	do_reload_perl;
		3703	undef $RELOAD_WATCHER;
		3704	};
		3705	}
		3706
2455	register_command "reload" => sub {	3707	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2457		3709
2458	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
2460		3712	async {
2461	# doing reload synchronously and two reloads happen back-to-back,	3713	$Coro::current->{desc} = "perl_reload";
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;	3714	reload_perl;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);	3715	};
2473	}	3716	}
2474	};	3717	};
2475		3718
2476	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2477		3720
2478	my $bug_warning = 0;	3721	my $bug_warning = 0;
2479		3722
2480	$TICK_WATCHER = Event->timer (	3723	our @WAIT_FOR_TICK;
2481	reentrant => 0,	3724	our @WAIT_FOR_TICK_BEGIN;
2482	parked => 1,	3725
2483	prio => -1,	3726	sub wait_for_tick {
2484	at => $NEXT_TICK || $TICK,	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2485	data => WF_AUTOCANCEL,	3728
2486	cb => sub {	3729	my $signal = new Coro::Signal;
		3730	push @WAIT_FOR_TICK, $signal;
		3731	$signal->wait;
		3732	}
		3733
		3734	sub wait_for_tick_begin {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK_BEGIN, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub tick {
2487	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2490	return;	3746	return;
2491	}	3747	}
2492		3748
2493	$NOW = Event::time;
2494
2495	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2496	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;
2498		3750
2499	$WAIT_FOR_TICK->broadcast;	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501		3753	Coro::async_pool {
2502	my $AFTER = Event::time;	3754	$Coro::current->{desc} = "runtime saver";
2503	warn $AFTER - $NOW;#d#
2504
2505	# if we are delayed by four ticks or more, skip them all
2506	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2507
2508	$TICK_WATCHER->at ($NEXT_TICK);
2509	$TICK_WATCHER->start;
2510	},
2511	);
2512
2513	IO::AIO::max_poll_time $TICK * 0.2;
2514
2515	undef $Coro::AIO::WATCHER;
2516	$AIO_POLL_WATCHER = Event->io (
2517	reentrant => 0,
2518	fd => IO::AIO::poll_fileno,
2519	poll => 'r',
2520	prio => 6,
2521	data => WF_AUTOCANCEL,
2522	cb => \&IO::AIO::poll_cb,
2523	);
2524
2525	$WRITE_RUNTIME_WATCHER = Event->timer (
2526	reentrant => 0,
2527	data => WF_AUTOCANCEL,
2528	after => 1,
2529	interval => 10,
2530	prio => 6, # keep it lowest so it acts like a watchdog
2531	cb => Coro::unblock_sub {
2532	write_runtime	3755	write_runtime_sync
2533	or warn "ERROR: unable to write runtime file: $!";	3756	or warn "ERROR: unable to write runtime file: $!";
		3757	};
2534	},	3758	}
2535	);	3759
		3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3761	$sig->send;
		3762	}
		3763	while (my $sig = shift @WAIT_FOR_TICK) {
		3764	$sig->send;
		3765	}
		3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
		3776	}
		3777	}
		3778
		3779	{
		3780	# configure BDB
		3781
		3782	BDB::min_parallel 8;
		3783	BDB::max_poll_reqs $TICK * 0.1;
		3784	$Coro::BDB::WATCHER->priority (1);
		3785
		3786	unless ($DB_ENV) {
		3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3792
		3793	cf::sync_job {
		3794	eval {
		3795	BDB::db_env_open
		3796	$DB_ENV,
		3797	$BDBDIR,
		3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3800	0666;
		3801
		3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3803	};
		3804
		3805	cf::cleanup "db_env_open(db): $@" if $@;
		3806	};
		3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
		3818	}
		3819
		3820	{
		3821	# configure IO::AIO
		3822
		3823	IO::AIO::min_parallel 8;
		3824	IO::AIO::max_poll_time $TICK * 0.1;
		3825	$Coro::AIO::WATCHER->priority (1);
		3826	}
		3827
		3828	my $_log_backtrace;
		3829
		3830	sub _log_backtrace {
		3831	my ($msg, @addr) = @_;
		3832
		3833	$msg =~ s/\n//;
		3834
		3835	# limit the # of concurrent backtraces
		3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
		3865	}
		3866	}
		3867
		3868	# load additional modules
		3869	use cf::pod;
2536		3870
2537	END { cf::emergency_save }	3871	END { cf::emergency_save }
2538		3872
2539	1	3873	1
2540		3874

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