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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::AnyEvent;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
20	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
21		48
		49	use JSON::XS 2.01 ();
22	use BDB ();	50	use BDB ();
23	use Data::Dumper;	51	use Data::Dumper;
24	use Digest::MD5;	52	use Digest::MD5;
25	use Fcntl;	53	use Fcntl;
26	use YAML::Syck ();	54	use YAML ();
27	use IO::AIO 2.32 ();	55	use IO::AIO ();
28	use Time::HiRes;	56	use Time::HiRes;
29	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
		61
		62	IO::AIO::max_poll_reqs 1;#d#
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		69
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		71
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		73
45	our %COMMAND = ();	74	our %COMMAND = ();
46	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
47		76
48	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
52		82
53	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
54	our @EVENT;	84	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		85
57	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	87	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	101	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	107	our $DB_ENV;
67		108
68	our %CFG;	109	our %CFG;
69		110
70	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
72		114
73	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		118
82	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
85	binmode STDOUT;	127	binmode STDOUT;
86	binmode STDERR;	128	binmode STDERR;
87		129
88	# read virtual server time, if available	130	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
93	}	135	}
94		136
95	mkdir cf::localdir;	137	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		139
102	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
103		141
104	sub cf::map::normalise;	142	sub cf::map::normalise;
105		143
…		…
116	=item $cf::RUNTIME	154	=item $cf::RUNTIME
117		155
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	157	every server tick.
120		158
121	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		162
123	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
125		167
126	=item $cf::NOW	168	=item $cf::NOW
127		169
128	The time of the last (current) server tick.	170	The time of the last (current) server tick.
129		171
130	=item $cf::TICK	172	=item $cf::TICK
131		173
132	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
133		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
134	=item %cf::CFG	186	=item %cf::CFG
135		187
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	189	from wherever your confdir points to.
138		190
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		192
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
145		202
146	=back	203	=back
147		204
148	=cut	205	=cut
149		206
150	BEGIN {	207	BEGIN {
151	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	209	my $msg = join "", @_;
153	utf8::encode $msg;
154		210
155	$msg .= "\n"	211	$msg .= "\n"
156	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
157		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
158	LOG llevError, $msg;	216	LOG llevError, $msg;
159	};	217	};
160	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
161		234
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		242
169	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	244	# within the Safe compartment.
171	for my $pkg (qw(	245	for my $pkg (qw(
172	cf::global cf::attachable	246	cf::global cf::attachable
…		…
177	)) {	251	)) {
178	no strict 'refs';	252	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	254	}
181		255
182	$Event::DIED = sub {	256	$EV::DIED = sub {
183	warn "error in event callback: @_";	257	warn "error in event callback: @_";
184	};	258	};
		259
		260	#############################################################################
185		261
186	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
187		263
188	=over 4	264	=over 4
189		265
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	285	$d
210	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
211	}	287	}
212		288
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
216		290
217	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
218		292
219	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
220		294
221	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
		296
		297	=cut
		298
		299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		300
		301	sub encode_json($) { $json_coder->encode ($_[0]) }
		302	sub decode_json($) { $json_coder->decode ($_[0]) }
222		303
223	=item cf::lock_wait $string	304	=item cf::lock_wait $string
224		305
225	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
226		307
…		…
229	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
232	returned.	313	returned.
233		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
234	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
236		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
237	=cut	325	=cut
238		326
239	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
240		329
241	sub lock_wait($) {	330	sub lock_wait($) {
242	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
243		337
244	# wait for lock, if any	338	# wait for lock, if any
245	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	341	Coro::schedule;
…		…
253		347
254	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
255	lock_wait $key;	349	lock_wait $key;
256		350
257	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
258		353
259	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
262	}	358	}
263	}	359	}
264		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
265	sub freeze_mainloop {	367	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
267		369
268	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
270	};	431	}
271	$TICK_WATCHER->stop;	432	};
272	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		536
353	my $runtime = cf::localdir . "/runtime";	537	Executes the given code block with the given arguments in a seperate
		538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
354		541
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	=cut
356	or return;
357		543
358	my $value = $cf::RUNTIME + 90 + 10;	544	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	545	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		546
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	# we seemingly have to make a local copy of the whole thing,
363	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
364		550
365	# always fsync - this file is important	551	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	552	reset_signals;
367	and return;	553	&$cb
		554	}, @args;
368		555
369	close $fh	556	wantarray ? @res : $res[-1]
370	or return;	557	}
371		558
372	aio_rename "$runtime~", $runtime	559	=item $coin = coin_from_name $name
373	and return;
374		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
375	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
376	}	711	}
377		712
378	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
379		714
380	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
400		735
401	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	738	Deliantra).
404		739
405	=over 4	740	=over 4
406		741
407	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
408		743
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
572		907
573	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		912
578	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	914	my $pkg = shift @arg;
580		915
581	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
611	}	946	}
612		947
613	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
614	} else {	949	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	951	}
617		952
618	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
619	}	954	}
620		955
…		…
622	if (ref $_[0]) {	957	if (ref $_[0]) {
623	_object_attach @_;	958	_object_attach @_;
624	} else {	959	} else {
625	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
626	}	961	}
		962	_recalc_want;
627	};	963	};
628		964
629	# all those should be optimised	965	# all those should be optimised
630	sub cf::attachable::detach {	966	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
635	reattach ($obj);	971	reattach ($obj);
636	} else {	972	} else {
637	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
638	}	974	}
		975	_recalc_want;
639	};	976	};
640		977
641	sub cf::attachable::attached {	978	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
643		980
…		…
658	";	995	";
659	die if $@;	996	die if $@;
660	}	997	}
661		998
662	our $override;	999	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1001
665	sub override {	1002	sub override {
666	$override = 1;	1003	$override = 1;
667	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
668	}	1005	}
669		1006
670	sub do_invoke {	1007	sub do_invoke {
671	my $event = shift;	1008	my $event = shift;
672	my $callbacks = shift;	1009	my $callbacks = shift;
673		1010
674	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
675		1012
676	local $override;	1013	local $override;
677		1014
678	for (@$callbacks) {	1015	for (@$callbacks) {
679	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
688	}	1025	}
689		1026
690	0	1027	0
691	}	1028	}
692		1029
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1031
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1033
697	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
698		1035
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1039
703	=back	1040	=back
704		1041
705	=cut	1042	=cut
706		1043
707	#############################################################################	1044	#############################################################################
708	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
709		1088
710	sub reattach {	1089	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1091	my ($obj) = @_;
713		1092
…		…
734	cf::attachable->attach (	1113	cf::attachable->attach (
735	prio => -1000000,	1114	prio => -1000000,
736	on_instantiate => sub {	1115	on_instantiate => sub {
737	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
738		1117
739	$data = from_json $data;	1118	$data = decode_json $data;
740		1119
741	for (@$data) {	1120	for (@$data) {
742	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
743		1122
744	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1139	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
762		1141
763	sync_job {	1142	sync_job {
764	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
767		1147
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1151	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1152	aio_close $fh;
773		1153
774	if (@$objs) {	1154	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1160	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
782	}	1162	}
783	} else {	1163	} else {
784	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
785	}	1165	}
…		…
790	}	1170	}
791	} else {	1171	} else {
792	aio_unlink $filename;	1172	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
794	}	1174	}
795	}	1175	};
796	}	1176	}
797		1177
798	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
800		1180
…		…
812	or return;	1192	or return;
813		1193
814	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
816	or return;	1196	or return;
		1197
817	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
818	}	1200	}
819		1201
		1202	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
822	return ($data, $av);	1206	($data, $av)
823	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
824		1214
825	#############################################################################	1215	#############################################################################
826	# command handling &c	1216	# command handling &c
827		1217
828	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1232	}
843		1233
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1235
846	Register a callbackf ro execution when the client sends an extcmd packet.	1236	Register a callback for execution when the client sends an (synchronous)
		1237	extcmd packet. Ext commands will be processed in the order they are
		1238	received by the server, like other user commands. The first argument is
		1239	the logged-in player. Ext commands can only be processed after a player
		1240	has logged in successfully.
847		1241
848	If the callback returns something, it is sent back as if reply was being	1242	If the callback returns something, it is sent back as if reply was being
849	called.	1243	called.
850		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
851	=cut	1256	=cut
852		1257
853	sub register_extcmd {	1258	sub register_extcmd {
854	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
855		1260
856	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
857	}	1268	}
858		1269
859	cf::player->attach (	1270	cf::player->attach (
860	on_command => sub {	1271	on_command => sub {
861	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1281	cf::override;
871	},	1282	},
872	on_extcmd => sub {	1283	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
874		1285
875	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1287
877	if (ref $msg) {	1288	if (ref $msg) {
		1289	my ($type, $reply, @payload) =
		1290	"ARRAY" eq ref $msg
		1291	? @$msg
		1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1293
		1294	my @reply;
		1295
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
883	} else {	1303	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1305	}
886		1306
887	cf::override;	1307	cf::override;
888	},	1308	},
889	);	1309	);
890		1310
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
926	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1316	next unless -r $path;
928	eval {	1317
929	load_extension $ext;	1318	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1319	my $base = $1;
		1320	my $pkg = $1;
		1321	$pkg =~ s/[^[:word:]]/_/g;
		1322	$pkg = "ext::$pkg";
		1323
		1324	open my $fh, "<:utf8", $path
		1325	or die "$path: $!";
		1326
		1327	my $source = do { local $/; <$fh> };
		1328
		1329	my %ext = (
		1330	path => $path,
		1331	base => $base,
		1332	pkg => $pkg,
		1333	);
		1334
		1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1337
		1338	$ext{source} =
		1339	"package $pkg; use strict; use utf8;\n"
		1340	. "#line 1 \"$path\"\n{\n"
		1341	. $source
		1342	. "\n};\n1";
		1343
		1344	$todo{$base} = \%ext;
		1345	}
		1346
		1347	my %done;
		1348	while (%todo) {
		1349	my $progress;
		1350
		1351	while (my ($k, $v) = each %todo) {
		1352	for (split /,\s*/, $v->{meta}{depends}) {
		1353	goto skip
		1354	unless exists $done{$_};
		1355	}
		1356
		1357	warn "... loading '$k' into '$v->{pkg}'\n";
		1358
		1359	unless (eval $v->{source}) {
		1360	my $msg = $@ ? "$v->{path}: $@\n"
		1361	: "$v->{base}: extension inactive.\n";
		1362
		1363	if (exists $v->{meta}{mandatory}) {
		1364	warn $msg;
		1365	cf::cleanup "mandatory extension failed to load, exiting.";
		1366	}
		1367
		1368	warn $msg;
		1369	}
		1370
		1371	$done{$k} = delete $todo{$k};
		1372	push @EXTS, $v->{pkg};
		1373	$progress = 1;
930	1	1374	}
931	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
932	}	1380	};
933	}	1381	}
934		1382
935	#############################################################################	1383	#############################################################################
936		1384
		1385	=back
		1386
937	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
938		1388
939	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
940		1390
941	=cut	1391	=cut
…		…
946		1396
947	=head3 cf::player	1397	=head3 cf::player
948		1398
949	=over 4	1399	=over 4
950		1400
		1401	=item cf::player::num_playing
		1402
		1403	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1404
		1405	=cut
		1406
		1407	sub num_playing {
		1408	scalar grep
		1409	$_->ob->map
		1410	&& !$_->hidden
		1411	&& !$_->ob->flag (cf::FLAG_WIZ),
		1412	cf::player::list
		1413	}
		1414
951	=item cf::player::find $login	1415	=item cf::player::find $login
952		1416
953	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
954		1418
955	=cut	1419	=cut
956		1420
957	sub playerdir($) {	1421	sub playerdir($) {
958	cf::localdir	1422	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1424	}
964		1425
965	sub path($) {	1426	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1428
968	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
969	}	1430	}
970		1431
971	sub find_active($) {	1432	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1447	my $login = $_[0];
987		1448
988	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
989		1450
990	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1452	# rename old playerfiles to new ones
		1453	#TODO: remove when no longer required
		1454	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1455	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1456	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1457	aio_unlink +(playerdir $login) . "/$login.pl";
		1458
		1459	my $f = new_from_file cf::object::thawer path $login
992	or return;	1460	or return;
		1461
		1462	my $pl = cf::player::load_pl $f
		1463	or return;
		1464
		1465	local $cf::PLAYER_LOADING{$login} = $pl;
		1466	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
994	}	1468	}
995	}	1469	}
996	}	1470	}
997		1471
…		…
1006	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
1007		1481
1008	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
1010		1484
		1485	cf::get_slot 0.01;
		1486
1011	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1012	Coro::cede;	1488	cf::cede_to_tick;
1013	}	1489	}
1014		1490
1015	sub new($) {	1491	sub new($) {
1016	my ($login) = @_;	1492	my ($login) = @_;
1017		1493
…		…
1023	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1024		1500
1025	$self	1501	$self
1026	}	1502	}
1027		1503
		1504	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1505
		1506	=cut
		1507
		1508	sub send_msg {
		1509	my $ns = shift->ns
		1510	or return;
		1511	$ns->send_msg (@_);
		1512	}
		1513
1028	=item $pl->quit_character	1514	=item $pl->quit_character
1029		1515
1030	Nukes the player without looking back. If logged in, the connection will	1516	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1032		1518
…		…
1040	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1527	$pl->password ("*"); # this should lock out the player until we nuked the dir
1042		1528
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1047		1535
1048	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1080		1568
1081	=cut	1569	=cut
1082		1570
1083	sub list_logins {	1571	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1573	or return [];
1086		1574
1087	my @logins;	1575	my @logins;
1088		1576
1089	for my $login (@$dirs) {	1577	for my $login (@$dirs) {
		1578	my $path = path $login;
		1579
		1580	# a .pst is a dead give-away for a valid player
		1581	# if no pst file found, open and chekc for blocked users
		1582	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1093		1587
1094	utf8::decode $login;	1588	utf8::decode $login;
1095	push @logins, $login;	1589	push @logins, $login;
1096	}	1590	}
1097		1591
…		…
1124	}	1618	}
1125		1619
1126	\@paths	1620	\@paths
1127	}	1621	}
1128		1622
		1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1624
		1625	Expand crossfire pod fragments into protocol xml.
		1626
		1627	=cut
		1628
		1629	use re 'eval';
		1630
		1631	my $group;
		1632	my $interior; $interior = qr{
		1633	# match a pod interior sequence sans C<< >>
		1634	(?:
		1635	\ (.*?)\ (?{ $group = $^N })
		1636	| < (??{$interior}) >
		1637	)
		1638	}x;
		1639
		1640	sub expand_cfpod {
		1641	my ($self, $pod) = @_;
		1642
		1643	my $xml;
		1644
		1645	while () {
		1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1647	$group = $1;
		1648
		1649	$group =~ s/&/&amp;/g;
		1650	$group =~ s/</&lt;/g;
		1651
		1652	$xml .= $group;
		1653	} elsif ($pod =~ m%\G
		1654	([BCGHITU])
		1655	<
		1656	(?:
		1657	([^<>]*) (?{ $group = $^N })
		1658	| < $interior >
		1659	)
		1660	>
		1661	%gcsx
		1662	) {
		1663	my ($code, $data) = ($1, $group);
		1664
		1665	if ($code eq "B") {
		1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1667	} elsif ($code eq "I") {
		1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1669	} elsif ($code eq "U") {
		1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1671	} elsif ($code eq "C") {
		1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1673	} elsif ($code eq "T") {
		1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1675	} elsif ($code eq "G") {
		1676	my ($male, $female) = split /\|/, $data;
		1677	$data = $self->gender ? $female : $male;
		1678	$xml .= expand_cfpod ($self, $data);
		1679	} elsif ($code eq "H") {
		1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1682	"")
		1683	[$self->{hintmode}];
		1684	} else {
		1685	$xml .= "error processing '$code($data)' directive";
		1686	}
		1687	} else {
		1688	if ($pod =~ /\G(.+)/) {
		1689	warn "parse error while expanding $pod (at $1)";
		1690	}
		1691	last;
		1692	}
		1693	}
		1694
		1695	for ($xml) {
		1696	# create single paragraphs (very hackish)
		1697	s/(?<=\S)\n(?=\w)/ /g;
		1698
		1699	# compress some whitespace
		1700	s/\s+\n/\n/g; # ws line-ends
		1701	s/\n\n+/\n/g; # double lines
		1702	s/^\n+//; # beginning lines
		1703	s/\n+$//; # ending lines
		1704	}
		1705
		1706	$xml
		1707	}
		1708
		1709	no re 'eval';
		1710
		1711	sub hintmode {
		1712	$_[0]{hintmode} = $_[1] if @_ > 1;
		1713	$_[0]{hintmode}
		1714	}
		1715
1129	=item $player->ext_reply ($msgid, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1130		1717
1131	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1132		1719
1133	=cut	1720	=cut
1134		1721
1135	sub ext_reply($$%) {	1722	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1137		1724
1138	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1726	}
1142		1727
1143	=item $player->ext_event ($type, %msg)	1728	=item $player->ext_msg ($type, @msg)
1144		1729
1145	Sends an ext event to the client.	1730	Sends an ext event to the client.
1146		1731
1147	=cut	1732	=cut
1148		1733
1149	sub ext_event($$%) {	1734	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1735	my ($self, $type, @msg) = @_;
1151		1736
1152	delete $msg{msgid};	1737	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1738	}
1158		1739
1159	package cf;	1740	=head3 cf::region
		1741
		1742	=over 4
		1743
		1744	=cut
		1745
		1746	package cf::region;
		1747
		1748	=item cf::region::find_by_path $path
		1749
		1750	Tries to decuce the likely region for a map knowing only its path.
		1751
		1752	=cut
		1753
		1754	sub find_by_path($) {
		1755	my ($path) = @_;
		1756
		1757	my ($match, $specificity);
		1758
		1759	for my $region (list) {
		1760	if ($region->{match} && $path =~ $region->{match}) {
		1761	($match, $specificity) = ($region, $region->specificity)
		1762	if $region->specificity > $specificity;
		1763	}
		1764	}
		1765
		1766	$match
		1767	}
1160		1768
1161	=back	1769	=back
1162
1163		1770
1164	=head3 cf::map	1771	=head3 cf::map
1165		1772
1166	=over 4	1773	=over 4
1167		1774
…		…
1179	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1181		1788
1182	sub generate_random_map {	1789	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1790	my ($self, $rmp) = @_;
		1791
		1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1793
1184	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1795	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1222	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1223		1833
1224	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1225	local $self->{path};	1835	local $self->{path};
1226	local $self->{load_path};	1836	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1837
1230	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1231	}	1839	}
1232		1840
1233	sub normalise {	1841	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1281	return $self;	1889	return $self;
1282	}	1890	}
1283	}	1891	}
1284		1892
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1894	()
1287	}	1895	}
1288		1896
1289	sub init {	1897	sub init {
1290	my ($self) = @_;	1898	my ($self) = @_;
…		…
1305		1913
1306	# the original (read-only) location	1914	# the original (read-only) location
1307	sub load_path {	1915	sub load_path {
1308	my ($self) = @_;	1916	my ($self) = @_;
1309		1917
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1311	}	1919	}
1312		1920
1313	# the temporary/swap location	1921	# the temporary/swap location
1314	sub save_path {	1922	sub save_path {
1315	my ($self) = @_;	1923	my ($self) = @_;
1316		1924
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1319	}	1927	}
1320		1928
1321	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1322	sub uniq_path {	1930	sub uniq_path {
1323	my ($self) = @_;	1931	my ($self) = @_;
1324		1932
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1327	}	1935	}
1328		1936
1329	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1330	# all maps in C++...	1938	# all maps in C++...
1331	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1333		1941
1334	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1336	}	1944	}
1337		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1338	sub unlink_save {	1954	sub unlink_save {
1339	my ($self) = @_;	1955	my ($self) = @_;
1340		1956
1341	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1961
1346	sub load_header_from($) {	1962	sub load_header_from($) {
1347	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1348		1964
1349	utf8::encode $path;	1965	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1967	or return;
		1968
		1969	$self->_load_header ($f)
		1970	or return;
		1971
		1972	local $MAP_LOADING{$self->{path}} = $self;
		1973	$f->resolve_delayed_derefs;
1355		1974
1356	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1357		1976
1358	1	1977	1
1359	}	1978	}
…		…
1398	$self->load_header_orig	2017	$self->load_header_orig
1399	or return;	2018	or return;
1400	$self->prepare_orig;	2019	$self->prepare_orig;
1401	}	2020	}
1402		2021
		2022	$self->{deny_reset} = 1
		2023	if $self->no_reset;
		2024
		2025	$self->default_region (cf::region::find_by_path $self->{path})
		2026	unless $self->default_region;
		2027
1403	1	2028	1
1404	}	2029	}
1405		2030
1406	sub find;	2031	sub find;
1407	sub find {	2032	sub find {
1408	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1409		2034
1410	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1411		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1413		2039
1414	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1415	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1416	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1417	or return;	2045	or return;
1418		2046
1419	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1420		2048
1421	$map->load_header	2049	$map->load_header
1422	or return;	2050	or return;
1423		2051
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1427	$map->reset;	2057	$map->reset;
1428	undef $guard;
1429	return find $path;	2058	return find $path;
1430	}	2059	}
1431		2060
1432	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1433	}	2062	}
…		…
1440	my ($self) = @_;	2069	my ($self) = @_;
1441		2070
1442	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1443		2072
1444	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1446		2077
		2078	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2080
1449	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1450		2082
1451	$self->alloc;	2083	$self->alloc;
1452		2084
1453	$self->pre_load;	2085	$self->pre_load;
		2086	cf::cede_to_tick;
1454		2087
1455	$self->_load_objects ($self->{load_path}, 1)	2088	my $f = new_from_file cf::object::thawer $self->{load_path};
		2089	$f->skip_block;
		2090	$self->_load_objects ($f)
1456	or return;	2091	or return;
1457		2092
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};	2094	if delete $self->{load_original};
1460		2095
1461	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2097	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2100	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1466	}	2104	}
1467	}	2105	}
1468		2106
1469	Coro::cede;	2107	$f->resolve_delayed_derefs;
1470		2108
		2109	cf::cede_to_tick;
1471	# now do the right thing for maps	2110	# now do the right thing for maps
1472	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2113	unless $self->difficulty;
1482	Coro::cede;	2114	cf::cede_to_tick;
		2115
		2116	unless ($self->{deny_activate}) {
		2117	$self->decay_objects;
		2118	$self->fix_auto_apply;
		2119	$self->update_buttons;
		2120	cf::cede_to_tick;
		2121	$self->set_darkness_map;
		2122	cf::cede_to_tick;
1483	$self->activate;	2123	$self->activate;
		2124	}
		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
		2129	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2130	}
1485		2131
1486	$self->post_load;	2132	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2133	}
1490		2134
1491	sub customise_for {	2135	sub customise_for {
1492	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1493		2137
1494	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2139	if $self->per_player;
1496		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1497	$self	2144	$self
1498	}	2145	}
1499		2146
1500	# find and load all maps in the 3x3 area around a map	2147	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2148	sub load_neighbours {
1502	my ($map) = @_;	2149	my ($map) = @_;
1503		2150
1504	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1505		2152
1506	for (0 .. 3) {	2153	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1508	or next;	2155	or next;
1509	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1510	or next;	2157	or next;
1511	$neigh->load;	2158	$neigh->load;
1512		2159
		2160	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2163	}
1516		2164
1517	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1519	or next;	2168	or next;
1520	$neigh->load;	2169	$neigh->load;
1521	}	2170	}
1522	}	2171	}
1523		2172
…		…
1528	}	2177	}
1529		2178
1530	sub do_load_sync {	2179	sub do_load_sync {
1531	my ($map) = @_;	2180	my ($map) = @_;
1532		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1533	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1534	}	2186	}
1535		2187
1536	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1538		2190
1539	sub find_async {	2191	sub find_async {
1540	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1541		2193
1542	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1543		2195
1544	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2198	}
1547		2199
1548	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1549	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1550	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2207	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2208	$map->load if $v;
		2209	}
1555		2210
1556	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1557	}	2212	}
1558	}	2213	}
1559	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1560	};	2215	};
1561	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2219	}
1565		2220
1566	sub save {	2221	sub save {
1567	my ($self) = @_;	2222	my ($self) = @_;
1568		2223
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2225
1571	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1572		2227
1573	return unless $self->dirty;	2228	return unless $self->dirty;
1574		2229
…		…
1580	return if $self->{deny_save};	2235	return if $self->{deny_save};
1581		2236
1582	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1583		2238
1584	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1586	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1587		2245
1588	if ($uniq) {	2246	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2249	} else {
…		…
1597	my ($self) = @_;	2255	my ($self) = @_;
1598		2256
1599	# save first because save cedes	2257	# save first because save cedes
1600	$self->save;	2258	$self->save;
1601		2259
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2261
1604	return if $self->players;	2262	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1606	return if $self->{deny_save};	2264	return if $self->{deny_save};
1607		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2270	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2271	}
1611		2272
1612	sub reset_at {	2273	sub reset_at {
1613	my ($self) = @_;	2274	my ($self) = @_;
1614		2275
1615	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1618		2278
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2281
…		…
1632	my ($self) = @_;	2292	my ($self) = @_;
1633		2293
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2295
1636	return if $self->players;	2296	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2297
1639	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
1640		2299
1641	$self->in_memory (cf::MAP_SWAPPED);	2300	$self->in_memory (cf::MAP_SWAPPED);
1642		2301
1643	# need to save uniques path	2302	# need to save uniques path
1644	unless ($self->{deny_save}) {	2303	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2307	if $uniq;
1649	}	2308	}
1650		2309
1651	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1652		2311
		2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2314	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2315
1657	$self->unlink_save;	2316	$self->unlink_save;
1658	$self->destroy;	2317	$self->destroy;
1659	}	2318	}
1660		2319
1661	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1662		2321
1663	sub nuke {	2322	sub nuke {
1664	my ($self) = @_;	2323	my ($self) = @_;
1665		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1666	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1667		2329
1668	$self->unlink_save;	2330	$self->unlink_save;
1669		2331
1670	bless $self, "cf::map";	2332	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2337
1676	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1677		2340
1678	$self->reset; # polite request, might not happen	2341	$self->reset; # polite request, might not happen
		2342	}
		2343
		2344	=item $maps = cf::map::tmp_maps
		2345
		2346	Returns an arrayref with all map paths of currently instantiated and saved
		2347	maps. May block.
		2348
		2349	=cut
		2350
		2351	sub tmp_maps() {
		2352	[
		2353	map {
		2354	utf8::decode $_;
		2355	/\.map$/
		2356	? normalise $_
		2357	: ()
		2358	} @{ aio_readdir $TMPDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item $maps = cf::map::random_maps
		2363
		2364	Returns an arrayref with all map paths of currently instantiated and saved
		2365	random maps. May block.
		2366
		2367	=cut
		2368
		2369	sub random_maps() {
		2370	[
		2371	map {
		2372	utf8::decode $_;
		2373	/\.map$/
		2374	? normalise "?random/$_"
		2375	: ()
		2376	} @{ aio_readdir $RANDOMDIR or [] }
		2377	]
1679	}	2378	}
1680		2379
1681	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1682		2381
1683	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2383	instantiated unique items. May block.
1685		2384
1686	=cut	2385	=cut
1687		2386
1688	sub unique_maps() {	2387	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1690	or return;	2389	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2390	utf8::decode $_;
1696	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2393	? ()
1699	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2396	]
1701
1702	\@paths
1703	}	2397	}
1704
1705	package cf;
1706		2398
1707	=back	2399	=back
1708		2400
1709	=head3 cf::object	2401	=head3 cf::object
1710		2402
…		…
1714		2406
1715	=over 4	2407	=over 4
1716		2408
1717	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1718		2410
1719	Returns the inventory of the object _and_ their inventories, recursively.	2411	Returns the inventory of the object I<and> their inventories, recursively,
		2412	but I<not> the object itself.
1720		2413
1721	=cut	2414	=cut
1722		2415
1723	sub inv_recursive_;	2416	sub inv_recursive_;
1724	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1727		2420
1728	sub inv_recursive {	2421	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1730	}	2423	}
1731		2424
		2425	=item $ref = $ob->ref
		2426
		2427	Creates and returns a persistent reference to an object that can be stored as a string.
		2428
		2429	=item $ob = cf::object::deref ($refstring)
		2430
		2431	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2432	even if the object actually exists. May block.
		2433
		2434	=cut
		2435
		2436	sub deref {
		2437	my ($ref) = @_;
		2438
		2439	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2440	my ($uuid, $name) = ($1, $2);
		2441	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2442	or return;
		2443	$pl->ob->uuid eq $uuid
		2444	or return;
		2445
		2446	$pl->ob
		2447	} else {
		2448	warn "$ref: cannot resolve object reference\n";
		2449	undef
		2450	}
		2451	}
		2452
1732	package cf;	2453	package cf;
1733		2454
1734	=back	2455	=back
1735		2456
1736	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2463	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2464	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1745		2466
1746	=cut	2467	=cut
		2468
		2469	our $SAY_CHANNEL = {
		2470	id => "say",
		2471	title => "Map",
		2472	reply => "say ",
		2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2474	};
		2475
		2476	our $CHAT_CHANNEL = {
		2477	id => "chat",
		2478	title => "Chat",
		2479	reply => "chat ",
		2480	tooltip => "Player chat and shouts, global to the server.",
		2481	};
1747		2482
1748	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2484	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2485	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1753		2488
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2490
1756	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1758	} else {	2494	} else {
		2495	my $pl = $self->contr;
		2496
		2497	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2498	my $dialog = $pl->{npc_dialog};
		2499	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2500
		2501	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1761	}	2505	}
		2506	}
		2507
		2508	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2509
		2510	=cut
		2511
		2512	sub cf::object::send_msg {
		2513	my $pl = shift->contr
		2514	or return;
		2515	$pl->send_msg (@_);
1762	}	2516	}
1763		2517
1764	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1765		2519
1766	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1814		2568
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2570
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1819		2573
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2575	}
1822		2576
1823	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1825		2581
1826	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1827		2583
1828	unless ($map) {	2584	unless ($map) {
1829	# restore original map position	2585	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1846		2602
1847	$map->load;	2603	$map->load;
1848	$map->load_diag;	2604	$map->load_neighbours;
1849		2605
1850	return unless $self->contr->active;	2606	return unless $self->contr->active;
1851	$self->activate_recursive;	2607	$self->activate_recursive;
1852		2608
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1855	}	2611	}
1856		2612
1857	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2614
1861	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1865	};	2619	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2620
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1892		2624
1893	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2626	my ($self, $path, $x, $y, $check, $done) = @_;
		2627
		2628	# do generation counting so two concurrent goto's will be executed in-order
		2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2630
1896	$self->enter_link;	2631	$self->enter_link;
1897		2632
1898	(async {	2633	(async {
		2634	$Coro::current->{desc} = "player::goto $path $x $y";
		2635
		2636	# *tag paths override both path and x|y
		2637	if ($path =~ /^\*(.*)$/) {
		2638	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2639	my $ob = $obs[rand @obs];
		2640
		2641	# see if we actually can go there
		2642	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2643	$ob = $obs[rand @obs];
		2644	} else {
		2645	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2646	}
		2647	# else put us there anyways for now #d#
		2648
		2649	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2650	} else {
		2651	($path, $x, $y) = (undef, undef, undef);
		2652	}
		2653	}
		2654
1899	my $map = eval {	2655	my $map = eval {
1900	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2659	$map = $map->customise_for ($self);
		2660	$map = $check->($map) if $check && $map;
		2661	} else {
		2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	}
		2664
1902	$map	2665	$map
		2666	};
		2667
		2668	if ($@) {
		2669	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2670	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2671	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1907	})->prio (1);	2679	})->prio (1);
1908	}	2680	}
1909		2681
1910	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1911		2683
…		…
1931	}	2703	}
1932		2704
1933	sub prepare_random_map {	2705	sub prepare_random_map {
1934	my ($exit) = @_;	2706	my ($exit) = @_;
1935		2707
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2710	# that depends on the exit object
1941		2711
1942	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2714	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1949	}	2721	}
1950		2722
1951	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1952		2724
1953	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
1956		2728
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2731	undef $fh;
1960	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
1961		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1964	}	2740	}
1965	}	2741	}
1966		2742
1967	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
1969		2745
1970	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1971		2747
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2748	$self->enter_link;
1982		2749
1983	(async {	2750	(async {
1984	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1985	unless (eval {	2753	unless (eval {
		2754	$self->deactivate_recursive; # just to be sure
		2755
		2756	# random map handling
		2757	{
		2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2759
		2760	prepare_random_map $exit
		2761	if $exit->slaying eq "/!";
		2762	}
		2763
		2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2765	my $x = $exit->stats->hp;
		2766	my $y = $exit->stats->sp;
		2767
1986	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
1987		2769
		2770	# if exit is damned, update players death & WoR home-position
		2771	$self->contr->savebed ($map, $x, $y)
		2772	if $exit->flag (cf::FLAG_DAMNED);
		2773
1988	1;	2774	1
1989	}) {	2775	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2777	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2780
1995	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2782	$self->leave_link;
1997	}	2783	}
1998	})->prio (1);	2784	})->prio (1);
…		…
2014		2800
2015	utf8::encode $text;	2801	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2803	}
2018		2804
		2805	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2806
		2807	Send a drawinfo or msg packet to the client, formatting the msg for the
		2808	client if neccessary. C<$type> should be a string identifying the type of
		2809	the message, with C<log> being the default. If C<$color> is negative, suppress
		2810	the message unless the client supports the msg packet.
		2811
		2812	=cut
		2813
		2814	# non-persistent channels (usually the info channel)
		2815	our %CHANNEL = (
		2816	"c/identify" => {
		2817	id => "infobox",
		2818	title => "Identify",
		2819	reply => undef,
		2820	tooltip => "Items recently identified",
		2821	},
		2822	"c/examine" => {
		2823	id => "infobox",
		2824	title => "Examine",
		2825	reply => undef,
		2826	tooltip => "Signs and other items you examined",
		2827	},
		2828	"c/book" => {
		2829	id => "infobox",
		2830	title => "Book",
		2831	reply => undef,
		2832	tooltip => "The contents of a note or book",
		2833	},
		2834	"c/lookat" => {
		2835	id => "infobox",
		2836	title => "Look",
		2837	reply => undef,
		2838	tooltip => "What you saw there",
		2839	},
		2840	"c/who" => {
		2841	id => "infobox",
		2842	title => "Players",
		2843	reply => undef,
		2844	tooltip => "Shows players who are currently online",
		2845	},
		2846	"c/body" => {
		2847	id => "infobox",
		2848	title => "Body Parts",
		2849	reply => undef,
		2850	tooltip => "Shows which body parts you posess and are available",
		2851	},
		2852	"c/uptime" => {
		2853	id => "infobox",
		2854	title => "Uptime",
		2855	reply => undef,
		2856	tooltip => "How long the server has been running since last restart",
		2857	},
		2858	"c/mapinfo" => {
		2859	id => "infobox",
		2860	title => "Map Info",
		2861	reply => undef,
		2862	tooltip => "Information related to the maps",
		2863	},
		2864	"c/party" => {
		2865	id => "party",
		2866	title => "Party",
		2867	reply => "gsay ",
		2868	tooltip => "Messages and chat related to your party",
		2869	},
		2870	);
		2871
		2872	sub cf::client::send_msg {
		2873	my ($self, $channel, $msg, $color, @extra) = @_;
		2874
		2875	$msg = $self->pl->expand_cfpod ($msg);
		2876
		2877	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2878
		2879	# check predefined channels, for the benefit of C
		2880	if ($CHANNEL{$channel}) {
		2881	$channel = $CHANNEL{$channel};
		2882
		2883	$self->ext_msg (channel_info => $channel)
		2884	if $self->can_msg;
		2885
		2886	$channel = $channel->{id};
		2887
		2888	} elsif (ref $channel) {
		2889	# send meta info to client, if not yet sent
		2890	unless (exists $self->{channel}{$channel->{id}}) {
		2891	$self->{channel}{$channel->{id}} = $channel;
		2892	$self->ext_msg (channel_info => $channel)
		2893	if $self->can_msg;
		2894	}
		2895
		2896	$channel = $channel->{id};
		2897	}
		2898
		2899	return unless @extra || length $msg;
		2900
		2901	if ($self->can_msg) {
		2902	# default colour, mask it out
		2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2904	if $color & cf::NDI_DEF;
		2905
		2906	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2908	} else {
		2909	if ($color >= 0) {
		2910	# replace some tags by gcfclient-compatible ones
		2911	for ($msg) {
		2912	1 while
		2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2918	}
		2919
		2920	$color &= cf::NDI_COLOR_MASK;
		2921
		2922	utf8::encode $msg;
		2923
		2924	if (0 && $msg =~ /\[/) {
		2925	# COMMAND/INFO
		2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2927	} else {
		2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2929	$self->send_packet ("drawinfo $color $msg")
		2930	}
		2931	}
		2932	}
		2933	}
		2934
		2935	=item $client->ext_msg ($type, @msg)
		2936
		2937	Sends an ext event to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_msg($$@) {
		2942	my ($self, $type, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2946	} elsif ($self->extcmd == 1) { # TODO: remove
		2947	push @msg, msgtype => "event_$type";
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
		2951
		2952	=item $client->ext_reply ($msgid, @msg)
		2953
		2954	Sends an ext reply to the client.
		2955
		2956	=cut
		2957
		2958	sub cf::client::ext_reply($$@) {
		2959	my ($self, $id, @msg) = @_;
		2960
		2961	if ($self->extcmd == 2) {
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2963	} elsif ($self->extcmd == 1) {
		2964	#TODO: version 1, remove
		2965	unshift @msg, msgtype => "reply", msgid => $id;
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2967	}
		2968	}
2019		2969
2020	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
2021		2971
2022	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2973	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2974	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2975
2026	Queries can fail, so check the return code. Or don't, as queries will become	2976	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2977	become reliable at some point in the future.
2028		2978
2029	=cut	2979	=cut
2030		2980
2031	sub cf::client::query {	2981	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2990	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2992
2043	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
2045	}	2997	}
2046		2998
2047	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
2048	on_reply => sub {	3005	on_reply => sub {
2049	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2050		3007
2051	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2052	# get handled first	3009	# get handled first
…		…
2064	} else {	3021	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3023	}
2067	}	3024	}
2068	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($ns, $buf) = @_;
		3028
		3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3030
		3031	if (ref $msg) {
		3032	my ($type, $reply, @payload) =
		3033	"ARRAY" eq ref $msg
		3034	? @$msg
		3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3036
		3037	my @reply;
		3038
		3039	if (my $cb = $EXTICMD{$type}) {
		3040	@reply = $cb->($ns, @payload);
		3041	}
		3042
		3043	$ns->ext_reply ($reply, @reply)
		3044	if $reply;
		3045
		3046	} else {
		3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3048	}
		3049
		3050	cf::override;
		3051	},
2069	);	3052	);
2070		3053
2071	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2072		3055
2073	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2116		3099
2117	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2118		3101
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3102	$safe->permit_only (Opcode::opset qw(
		3103	:base_core :base_mem :base_orig :base_math
		3104	grepstart grepwhile mapstart mapwhile
		3105	sort time
		3106	));
2120		3107
2121	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2122		3109
2123	=pod	3110	=pod
2124		3111
2125	The following functions and methods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2126		3113
2127	cf::object contr pay_amount pay_player map	3114	cf::object
		3115	contr pay_amount pay_player map x y force_find force_add destroy
		3116	insert remove name archname title slaying race decrease split
		3117
2128	cf::object::player player	3118	cf::object::player
2129	cf::player peaceful	3119	player
2130	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2131		3126
2132	=cut	3127	=cut
2133		3128
2134	for (	3129	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3131	insert remove inv nrof name archname title slaying race
		3132	decrease split destroy)],
2136	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2139	) {	3136	) {
2140	no strict 'refs';	3137	no strict 'refs';
…		…
2211	=back	3208	=back
2212		3209
2213	=cut	3210	=cut
2214		3211
2215	#############################################################################	3212	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	3213	# the server's init and main functions
2289		3214
2290	sub load_facedata {	3215	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3216	my ($path) = @_;
		3217
		3218	# HACK to clear player env face cache, we need some signal framework
		3219	# for this (global event?)
		3220	%ext::player_env::MUSIC_FACE_CACHE = ();
		3221
		3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3223
2293	warn "loading facedata from $path\n";	3224	warn "loading facedata from $path\n";
2294		3225
2295	my $faces;	3226	my $facedata;
2296	0 < aio_load $path, $faces	3227	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3228	or die "$path: $!";
2298		3229
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3230	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3231
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3232	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3234
		3235	# patch in the exptable
		3236	$facedata->{resource}{"res/exp_table"} = {
		3237	type => FT_RSRC,
		3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3239	};
		3240	cf::cede_to_tick;
		3241
		3242	{
		3243	my $faces = $facedata->{faceinfo};
		3244
2307	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3247
		3248	cf::face::set_visibility $idx, $info->{visibility};
		3249	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3252
		3253	cf::cede_to_tick;
		3254	}
		3255
2315	while (my ($face, $info) = each %$faces) {	3256	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3257	next unless $info->{smooth};
		3258
2317	my $idx = cf::face::find $face	3259	my $idx = cf::face::find $face
2318	or next;	3260	or next;
		3261
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3262	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3265	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3267	}
2324	Coro::cede;	3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
2325	}	3273	{
		3274	my $anims = $facedata->{animinfo};
		3275
		3276	while (my ($anim, $info) = each %$anims) {
		3277	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3278	cf::cede_to_tick;
		3279	}
		3280
		3281	cf::anim::invalidate_all; # d'oh
		3282	}
		3283
		3284	{
		3285	# TODO: for gcfclient pleasure, we should give resources
		3286	# that gcfclient doesn't grok a >10000 face index.
		3287	my $res = $facedata->{resource};
		3288
		3289	while (my ($name, $info) = each %$res) {
		3290	if (defined $info->{type}) {
		3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3292	my $data;
		3293
		3294	if ($info->{type} & 1) {
		3295	# prepend meta info
		3296
		3297	my $meta = $enc->encode ({
		3298	name => $name,
		3299	%{ $info->{meta} || {} },
		3300	});
		3301
		3302	$data = pack "(w/a*)*", $meta, $info->{data};
		3303	} else {
		3304	$data = $info->{data};
		3305	}
		3306
		3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3308	cf::face::set_type $idx, $info->{type};
		3309	} else {
		3310	$RESOURCE{$name} = $info;
		3311	}
		3312
		3313	cf::cede_to_tick;
		3314	}
		3315	}
		3316
		3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326		3318
2327	1	3319	1
2328	}	3320	}
2329		3321
		3322	cf::global->attach (on_resource_update => sub {
		3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3325
		3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3327	my $sound = $soundconf->{compat}[$_]
		3328	or next;
		3329
		3330	my $face = cf::face::find "sound/$sound->[1]";
		3331	cf::sound::set $sound->[0] => $face;
		3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3333	}
		3334
		3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3336	my $face = cf::face::find "sound/$v";
		3337	cf::sound::set $k => $face;
		3338	}
		3339	}
		3340	});
		3341
		3342	register_exticmd fx_want => sub {
		3343	my ($ns, $want) = @_;
		3344
		3345	while (my ($k, $v) = each %$want) {
		3346	$ns->fx_want ($k, $v);
		3347	}
		3348	};
		3349
		3350	sub load_resource_file($) {
		3351	my $guard = lock_acquire "load_resource_file";
		3352
		3353	my $status = load_resource_file_ $_[0];
		3354	get_slot 0.1, 100;
		3355	cf::arch::commit_load;
		3356
		3357	$status
		3358	}
		3359
		3360	sub reload_regions {
		3361	# HACK to clear player env face cache, we need some signal framework
		3362	# for this (global event?)
		3363	%ext::player_env::MUSIC_FACE_CACHE = ();
		3364
		3365	load_resource_file "$MAPDIR/regions"
		3366	or die "unable to load regions file\n";
		3367
		3368	for (cf::region::list) {
		3369	$_->{match} = qr/$_->{match}/
		3370	if exists $_->{match};
		3371	}
		3372	}
		3373
		3374	sub reload_facedata {
		3375	load_facedata "$DATADIR/facedata"
		3376	or die "unable to load facedata\n";
		3377	}
		3378
		3379	sub reload_archetypes {
		3380	load_resource_file "$DATADIR/archetypes"
		3381	or die "unable to load archetypes\n";
		3382	}
		3383
		3384	sub reload_treasures {
		3385	load_resource_file "$DATADIR/treasures"
		3386	or die "unable to load treasurelists\n";
		3387	}
		3388
2330	sub reload_resources {	3389	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3390	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3391
2333	load_facedata	3392	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
2335	}	3398	}
2336		3399
2337	sub init {	3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
2338	reload_resources;	3403	reload_resources;
2339	}	3404	}
2340		3405
2341	sub cfg_load {	3406	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3408	or return;
2344		3409
2345	local $/;	3410	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2347		3412
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349		3414
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2362	sub main {	3427	sub main {
2363	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3431	(async {
2367	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2369	};	3435	};
2370		3436
2371	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2372	db_init;	3440	db_init;
2373	load_extensions;	3441	load_extensions;
2374		3442
2375	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2376	Event::loop;	3446	EV::loop;
2377	}	3447	}
2378		3448
2379	#############################################################################	3449	#############################################################################
2380	# initialisation and cleanup	3450	# initialisation and cleanup
2381		3451
2382	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2383	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2392	},
2393	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2394	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2395	}	3541	}
2396		3542
2397	sub emergency_save() {	3543	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2399		3545
…		…
2405	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2407	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3557	$pl->save;
2411	}	3558	}
2412	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2413		3560
2414	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2420	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2421		3568
2422	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2425	};	3576	};
2426		3577
2427	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2428	}	3579	}
2429		3580
…		…
2432		3583
2433	warn Carp::longmess "post_cleanup backtrace"	3584	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3585	if $make_core;
2435	}	3586	}
2436		3587
2437	sub reload() {	3588	sub do_reload_perl() {
2438	# can/must only be called in main	3589	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2441	return;	3592	return;
2442	}	3593	}
…		…
2444	warn "reloading...";	3595	warn "reloading...";
2445		3596
2446	warn "entering sync_job";	3597	warn "entering sync_job";
2447		3598
2448	cf::sync_job {	3599	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2450	cf::emergency_save;	3601	cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2452		3603
2453	warn "syncing database to disk";	3604	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2455		3606
2456	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462		3608
2463	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2464	for (;;) {	3610	for (;;) {
2465	BDB::flush;	3611	BDB::flush;
2466	IO::AIO::flush;	3612	IO::AIO::flush;
2467	Coro::cede;	3613	Coro::cede_notself;
2468	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";	3615	warn "iterate...";
2470	}	3616	}
2471		3617
2472	++$RELOAD;	3618	++$RELOAD;
…		…
2476	%EXT_CORO = ();	3622	%EXT_CORO = ();
2477		3623
2478	warn "removing commands";	3624	warn "removing commands";
2479	%COMMAND = ();	3625	%COMMAND = ();
2480		3626
2481	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2483		3630
2484	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2487		3634
…		…
2517	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3666
2520	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2522		3670
2523	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3672	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2526		3674
…		…
2529	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2530	require cf;	3678	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3680
2533	warn "loading config and database again";	3681	warn "loading config and database again";
2534	cf::cfg_load;	3682	cf::reload_config;
2535		3683
2536	warn "loading extensions";	3684	warn "loading extensions";
2537	cf::load_extensions;	3685	cf::load_extensions;
2538		3686
2539	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2541	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3691	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3692	reattach $_ for values %PLAYER;
2545		3693
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3694	warn "leaving sync_job";
2550		3695
2551	1	3696	1
2552	} or do {	3697	} or do {
2553	warn $@;	3698	warn $@;
2554	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2555	exit 1;
2556	};	3700	};
2557		3701
2558	warn "reloaded";	3702	warn "reloaded";
2559	};	3703	};
2560		3704
2561	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2562		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2563	register_command "reload" => sub {	3717	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2565		3719
2566	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2568		3722	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3724	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3725	};
2581	}	3726	}
2582	};	3727	};
2583		3728
2584	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2585		3730
2586	my $bug_warning = 0;	3731	my $bug_warning = 0;
2587		3732
2588	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2589	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	3735
2591	prio => 0,	3736	sub wait_for_tick {
2592	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	3738
2594	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2595	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2598	return;	3756	return;
2599	}	3757	}
2600		3758
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		3760
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3765	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2612	};
2613	}	3767	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	3768	}
2627	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2628		3788
2629	{	3789	{
2630	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	3791
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2640		3793	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		3795
2656	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3802
2659	cf::sync_job {	3803	cf::sync_job {
2660	eval {	3804	eval {
2661	BDB::db_env_open	3805	BDB::db_env_open
2662	$DB_ENV,	3806	$DB_ENV,
2663	$BDB_ENV_DIR,	3807	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3810	0666;
2667		3811
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3813	};
2673		3814
2674	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3816	};
2676	}	3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
2677	}	3828	}
2678		3829
2679	{	3830	{
		3831	# configure IO::AIO
		3832
2680	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	3835	#undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2693		3880
2694	END { cf::emergency_save }	3881	END { cf::emergency_save }
2695		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2696	1	3885	1
2697		3886

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