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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 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"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	722	}
377		723
378	=back	724	=back
379		725
380	=cut	726	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
389		735
390	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>
391	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
392	crossfire+).	738	Deliantra).
393		739
394	=over 4	740	=over 4
395		741
396	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
397		743
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
561		907
562	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		912
567	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	914	my $pkg = shift @arg;
569		915
570	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
600	}	946	}
601		947
602	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
603	} else {	949	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	951	}
606		952
607	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
608	}	954	}
609		955
…		…
611	if (ref $_[0]) {	957	if (ref $_[0]) {
612	_object_attach @_;	958	_object_attach @_;
613	} else {	959	} else {
614	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
615	}	961	}
		962	_recalc_want;
616	};	963	};
617		964
618	# all those should be optimised	965	# all those should be optimised
619	sub cf::attachable::detach {	966	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
624	reattach ($obj);	971	reattach ($obj);
625	} else {	972	} else {
626	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
627	}	974	}
		975	_recalc_want;
628	};	976	};
629		977
630	sub cf::attachable::attached {	978	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
632		980
…		…
647	";	995	";
648	die if $@;	996	die if $@;
649	}	997	}
650		998
651	our $override;	999	our $override;
652	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?
653		1001
654	sub override {	1002	sub override {
655	$override = 1;	1003	$override = 1;
656	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
657	}	1005	}
658		1006
659	sub do_invoke {	1007	sub do_invoke {
660	my $event = shift;	1008	my $event = shift;
661	my $callbacks = shift;	1009	my $callbacks = shift;
662		1010
663	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
664		1012
665	local $override;	1013	local $override;
666		1014
667	for (@$callbacks) {	1015	for (@$callbacks) {
668	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
677	}	1025	}
678		1026
679	0	1027	0
680	}	1028	}
681		1029
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1031
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1033
686	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
687		1035
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1039
692	=back	1040	=back
693		1041
694	=cut	1042	=cut
695		1043
696	#############################################################################	1044	#############################################################################
697	# 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, $ob2
		1087	}
698		1088
699	sub reattach {	1089	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1091	my ($obj) = @_;
702		1092
…		…
723	cf::attachable->attach (	1113	cf::attachable->attach (
724	prio => -1000000,	1114	prio => -1000000,
725	on_instantiate => sub {	1115	on_instantiate => sub {
726	my ($obj, $data) = @_;	1116	my ($obj, $data) = @_;
727		1117
728	$data = from_json $data;	1118	$data = decode_json $data;
729		1119
730	for (@$data) {	1120	for (@$data) {
731	my ($name, $args) = @$_;	1121	my ($name, $args) = @$_;
732		1122
733	$obj->attach ($name, %{$args || {} });	1123	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1139	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1140	my ($filename, $rdata, $objs) = @_;
751		1141
752	sync_job {	1142	sync_job {
753	if (length $$rdata) {	1143	if (length $$rdata) {
		1144	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1145	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1146	$decname, length $$rdata, scalar @$objs;
756		1147
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1149	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1151	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1152	aio_close $fh;
762		1153
763	if (@$objs) {	1154	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1158	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1160	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1161	aio_rename "$filename.pst~", "$filename.pst";
771	}	1162	}
772	} else {	1163	} else {
773	aio_unlink "$filename.pst";	1164	aio_unlink "$filename.pst";
774	}	1165	}
…		…
779	}	1170	}
780	} else {	1171	} else {
781	aio_unlink $filename;	1172	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1173	aio_unlink "$filename.pst";
783	}	1174	}
784	}	1175	};
785	}	1176	}
786		1177
787	sub object_freezer_as_string {	1178	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1179	my ($rdata, $objs) = @_;
789		1180
…		…
801	or return;	1192	or return;
802		1193
803	unless (aio_stat "$filename.pst") {	1194	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1195	(aio_load "$filename.pst", $av) >= 0
805	or return;	1196	or return;
		1197
806	$av = eval { (Storable::thaw $av)->{objs} };	1198	my $st = eval { Coro::Storable::thaw $av };
		1199	$av = $st->{objs};
807	}	1200	}
808		1201
		1202	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1203	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1204	$decname, length $data, scalar @{$av || []};
		1205
811	return ($data, $av);	1206	($data, $av)
812	}	1207	}
		1208
		1209	=head2 COMMAND CALLBACKS
		1210
		1211	=over 4
		1212
		1213	=cut
813		1214
814	#############################################################################	1215	#############################################################################
815	# command handling &c	1216	# command handling &c
816		1217
817	=item cf::register_command $name => \&callback($ob,$args);	1218	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1231	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1232	}
832		1233
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1234	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1235
835	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.
836		1241
837	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
838	called.	1243	called.
839		1244
		1245	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1246
		1247	Register a callback for execution when the client sends an (asynchronous)
		1248	exticmd packet. Exti commands are processed by the server as soon as they
		1249	are received, i.e. out of order w.r.t. other commands. The first argument
		1250	is a client socket. Exti commands can be received anytime, even before
		1251	log-in.
		1252
		1253	If the callback returns something, it is sent back as if reply was being
		1254	called.
		1255
840	=cut	1256	=cut
841		1257
842	sub register_extcmd {	1258	sub register_extcmd {
843	my ($name, $cb) = @_;	1259	my ($name, $cb) = @_;
844		1260
845	$EXTCMD{$name} = $cb;	1261	$EXTCMD{$name} = $cb;
		1262	}
		1263
		1264	sub register_exticmd {
		1265	my ($name, $cb) = @_;
		1266
		1267	$EXTICMD{$name} = $cb;
846	}	1268	}
847		1269
848	cf::player->attach (	1270	cf::player->attach (
849	on_command => sub {	1271	on_command => sub {
850	my ($pl, $name, $params) = @_;	1272	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1281	cf::override;
860	},	1282	},
861	on_extcmd => sub {	1283	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1284	my ($pl, $buf) = @_;
863		1285
864	my $msg = eval { from_json $buf };	1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1287
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1296	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1297	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1298	}
		1299
		1300	$pl->ext_reply ($reply, @reply)
		1301	if $reply;
		1302
872	} else {	1303	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1305	}
875		1306
876	cf::override;	1307	cf::override;
877	},	1308	},
878	);	1309	);
879		1310
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1311	sub load_extensions {
		1312	cf::sync_job {
		1313	my %todo;
		1314
915	for my $ext (<$LIBDIR/*.ext>) {	1315	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1316	next unless -r $path;
917	eval {	1317
918	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	$progress = 1;
919	1	1374	}
920	} or warn "$ext not loaded: $@";	1375
		1376	skip:
		1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1378	unless $progress;
		1379	}
921	}	1380	};
922	}	1381	}
923		1382
924	#############################################################################	1383	#############################################################################
925		1384
		1385	=back
		1386
926	=head2 CORE EXTENSIONS	1387	=head2 CORE EXTENSIONS
927		1388
928	Functions and methods that extend core crossfire objects.	1389	Functions and methods that extend core crossfire objects.
929		1390
930	=cut	1391	=cut
…		…
935		1396
936	=head3 cf::player	1397	=head3 cf::player
937		1398
938	=over 4	1399	=over 4
939		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
940	=item cf::player::find $login	1415	=item cf::player::find $login
941		1416
942	Returns the given player object, loading it if necessary (might block).	1417	Returns the given player object, loading it if necessary (might block).
943		1418
944	=cut	1419	=cut
945		1420
946	sub playerdir($) {	1421	sub playerdir($) {
947	cf::localdir	1422	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1423	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1424	}
953		1425
954	sub path($) {	1426	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1427	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1428
957	(playerdir $login) . "/$login.pl"	1429	(playerdir $login) . "/playerdata"
958	}	1430	}
959		1431
960	sub find_active($) {	1432	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1433	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1434	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1447	my $login = $_[0];
976		1448
977	my $guard = cf::lock_acquire "user_find:$login";	1449	my $guard = cf::lock_acquire "user_find:$login";
978		1450
979	$cf::PLAYER{$_[0]} || do {	1451	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1467	$cf::PLAYER{$login} = $pl
983	}	1468	}
984	}	1469	}
985	}	1470	}
986		1471
…		…
995	return if $pl->{deny_save};	1480	return if $pl->{deny_save};
996		1481
997	aio_mkdir playerdir $pl, 0770;	1482	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1483	$pl->{last_save} = $cf::RUNTIME;
999		1484
		1485	cf::get_slot 0.01;
		1486
1000	$pl->save_pl ($path);	1487	$pl->save_pl ($path);
1001	Coro::cede;	1488	cf::cede_to_tick;
1002	}	1489	}
1003		1490
1004	sub new($) {	1491	sub new($) {
1005	my ($login) = @_;	1492	my ($login) = @_;
1006		1493
…		…
1012	$cf::PLAYER{$login} = $self;	1499	$cf::PLAYER{$login} = $self;
1013		1500
1014	$self	1501	$self
1015	}	1502	}
1016		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
1017	=item $pl->quit_character	1514	=item $pl->quit_character
1018		1515
1019	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
1020	be destroyed. May block for a long time.	1517	be destroyed. May block for a long time.
1021		1518
…		…
1029	$pl->{deny_save} = 1;	1526	$pl->{deny_save} = 1;
1030	$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
1031		1528
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1530	$pl->deactivate;
		1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1532	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1534	$pl->ns->destroy if $pl->ns;
1036		1535
1037	my $path = playerdir $pl;	1536	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1537	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1567	while and may block, so not sync_job-capable, ever.
1069		1568
1070	=cut	1569	=cut
1071		1570
1072	sub list_logins {	1571	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1572	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1573	or return [];
1075		1574
1076	my @logins;	1575	my @logins;
1077		1576
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1583	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1584	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1585	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1586	}
1082		1587
1083	utf8::decode $login;	1588	utf8::decode $login;
1084	push @logins, $login;	1589	push @logins, $login;
1085	}	1590	}
1086		1591
…		…
1113	}	1618	}
1114		1619
1115	\@paths	1620	\@paths
1116	}	1621	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1716	=item $player->ext_reply ($msgid, @msg)
1119		1717
1120	Sends an ext reply to the player.	1718	Sends an ext reply to the player.
1121		1719
1122	=cut	1720	=cut
1123		1721
1124	sub ext_reply($$$%) {	1722	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1723	my ($self, $id, @msg) = @_;
1126		1724
1127	$msg{msgid} = $id;	1725	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1726	}
1131		1727
1132	package cf;	1728	=item $player->ext_msg ($type, @msg)
		1729
		1730	Sends an ext event to the client.
		1731
		1732	=cut
		1733
		1734	sub ext_msg($$@) {
		1735	my ($self, $type, @msg) = @_;
		1736
		1737	$self->ns->ext_msg ($type, @msg);
		1738	}
		1739
		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	}
1133		1768
1134	=back	1769	=back
1135
1136		1770
1137	=head3 cf::map	1771	=head3 cf::map
1138		1772
1139	=over 4	1773	=over 4
1140		1774
…		…
1152	our $MAX_RESET = 3600;	1786	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1787	our $DEFAULT_RESET = 3000;
1154		1788
1155	sub generate_random_map {	1789	sub generate_random_map {
1156	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
1157	# mit "rum" bekleckern, nicht	1794	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1795	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1832	my ($self, $merge) = @_;
1196		1833
1197	# we have to keep some variables in memory intact	1834	# we have to keep some variables in memory intact
1198	local $self->{path};	1835	local $self->{path};
1199	local $self->{load_path};	1836	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1837
1203	$self->SUPER::thawer_merge ($merge);	1838	$self->SUPER::thawer_merge ($merge);
1204	}	1839	}
1205		1840
1206	sub normalise {	1841	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1888	$self->init; # pass $1 etc.
1254	return $self;	1889	return $self;
1255	}	1890	}
1256	}	1891	}
1257		1892
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1893	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1894	()
1260	}	1895	}
1261		1896
1262	sub init {	1897	sub init {
1263	my ($self) = @_;	1898	my ($self) = @_;
…		…
1278		1913
1279	# the original (read-only) location	1914	# the original (read-only) location
1280	sub load_path {	1915	sub load_path {
1281	my ($self) = @_;	1916	my ($self) = @_;
1282		1917
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1918	"$MAPDIR/$self->{path}.map"
1284	}	1919	}
1285		1920
1286	# the temporary/swap location	1921	# the temporary/swap location
1287	sub save_path {	1922	sub save_path {
1288	my ($self) = @_;	1923	my ($self) = @_;
1289		1924
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1925	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1926	"$TMPDIR/$path.map"
1292	}	1927	}
1293		1928
1294	# the unique path, undef == no special unique path	1929	# the unique path, undef == no special unique path
1295	sub uniq_path {	1930	sub uniq_path {
1296	my ($self) = @_;	1931	my ($self) = @_;
1297		1932
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1934	"$UNIQUEDIR/$path"
1300	}	1935	}
1301		1936
1302	# and all this just because we cannot iterate over	1937	# and all this just because we cannot iterate over
1303	# all maps in C++...	1938	# all maps in C++...
1304	sub change_all_map_light {	1939	sub change_all_map_light {
…		…
1306		1941
1307	$_->change_map_light ($change)	1942	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1943	for grep $_->outdoor, values %cf::MAP;
1309	}	1944	}
1310		1945
		1946	sub decay_objects {
		1947	my ($self) = @_;
		1948
		1949	return if $self->{deny_reset};
		1950
		1951	$self->do_decay_objects;
		1952	}
		1953
1311	sub unlink_save {	1954	sub unlink_save {
1312	my ($self) = @_;	1955	my ($self) = @_;
1313		1956
1314	utf8::encode (my $save = $self->save_path);	1957	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1961
1319	sub load_header_from($) {	1962	sub load_header_from($) {
1320	my ($self, $path) = @_;	1963	my ($self, $path) = @_;
1321		1964
1322	utf8::encode $path;	1965	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1966	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1974
1329	$self->{load_path} = $path;	1975	$self->{load_path} = $path;
1330		1976
1331	1	1977	1
1332	}	1978	}
…		…
1371	$self->load_header_orig	2017	$self->load_header_orig
1372	or return;	2018	or return;
1373	$self->prepare_orig;	2019	$self->prepare_orig;
1374	}	2020	}
1375		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
1376	1	2028	1
1377	}	2029	}
1378		2030
1379	sub find;	2031	sub find;
1380	sub find {	2032	sub find {
1381	my ($path, $origin) = @_;	2033	my ($path, $origin) = @_;
1382		2034
1383	$path = normalise $path, $origin && $origin->path;	2035	$path = normalise $path, $origin && $origin->path;
1384		2036
		2037	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2038	cf::lock_wait "map_find:$path";
1386		2039
1387	$cf::MAP{$path} || do {	2040	$cf::MAP{$path} || do {
		2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	2042	my $guard2 = cf::lock_acquire "map_find:$path";
		2043
1389	my $map = new_from_path cf::map $path	2044	my $map = new_from_path cf::map $path
1390	or return;	2045	or return;
1391		2046
1392	$map->{last_save} = $cf::RUNTIME;	2047	$map->{last_save} = $cf::RUNTIME;
1393		2048
1394	$map->load_header	2049	$map->load_header
1395	or return;	2050	or return;
1396		2051
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2052	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2053	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2054	#$cf::WAIT_FOR_TICK->wait;
		2055	undef $guard2;
		2056	undef $guard1;
1400	$map->reset;	2057	$map->reset;
1401	undef $guard;
1402	return find $path;	2058	return find $path;
1403	}	2059	}
1404		2060
1405	$cf::MAP{$path} = $map	2061	$cf::MAP{$path} = $map
1406	}	2062	}
…		…
1413	my ($self) = @_;	2069	my ($self) = @_;
1414		2070
1415	local $self->{deny_reset} = 1; # loading can take a long time	2071	local $self->{deny_reset} = 1; # loading can take a long time
1416		2072
1417	my $path = $self->{path};	2073	my $path = $self->{path};
		2074
		2075	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2076	my $guard = cf::lock_acquire "map_data:$path";
1419		2077
		2078	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2079	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2080
1422	$self->in_memory (cf::MAP_LOADING);	2081	$self->in_memory (cf::MAP_LOADING);
1423		2082
1424	$self->alloc;	2083	$self->alloc;
1425		2084
1426	$self->pre_load;	2085	$self->pre_load;
		2086	cf::cede_to_tick;
1427		2087
1428	$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)
1429	or return;	2091	or return;
1430		2092
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2094	if delete $self->{load_original};
1433		2095
1434	if (my $uniq = $self->uniq_path) {	2096	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2097	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2098	unless (aio_stat $uniq) {
		2099	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2100	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2101	$self->_load_objects ($f);
		2102	$f->resolve_delayed_derefs;
		2103	}
1439	}	2104	}
1440	}	2105	}
1441		2106
1442	Coro::cede;	2107	$f->resolve_delayed_derefs;
1443		2108
		2109	cf::cede_to_tick;
1444	# now do the right thing for maps	2110	# now do the right thing for maps
1445	$self->link_multipart_objects;	2111	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2112	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2113	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2130	}
1458		2131
1459	$self->post_load;	2132	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2133	}
1463		2134
1464	sub customise_for {	2135	sub customise_for {
1465	my ($self, $ob) = @_;	2136	my ($self, $ob) = @_;
1466		2137
1467	return find "~" . $ob->name . "/" . $self->{path}	2138	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2139	if $self->per_player;
1469		2140
		2141	# return find "?party/" . $ob->name . "/" . $self->{path}
		2142	# if $self->per_party;
		2143
1470	$self	2144	$self
1471	}	2145	}
1472		2146
1473	# 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
1474	sub load_diag {	2148	sub load_neighbours {
1475	my ($map) = @_;	2149	my ($map) = @_;
1476		2150
1477	my @diag; # diagonal neighbours	2151	my @neigh; # diagonal neighbours
1478		2152
1479	for (0 .. 3) {	2153	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2154	my $neigh = $map->tile_path ($_)
1481	or next;	2155	or next;
1482	$neigh = find $neigh, $map	2156	$neigh = find $neigh, $map
1483	or next;	2157	or next;
1484	$neigh->load;	2158	$neigh->load;
1485		2159
		2160	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2163	}
1489		2164
1490	for (@diag) {	2165	for (grep defined $_->[0], @neigh) {
		2166	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2167	my $neigh = find $path, $origin
1492	or next;	2168	or next;
1493	$neigh->load;	2169	$neigh->load;
1494	}	2170	}
1495	}	2171	}
1496		2172
…		…
1501	}	2177	}
1502		2178
1503	sub do_load_sync {	2179	sub do_load_sync {
1504	my ($map) = @_;	2180	my ($map) = @_;
1505		2181
		2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2183	if $Coro::current == $Coro::main;
		2184
1506	cf::sync_job { $map->load };	2185	cf::sync_job { $map->load };
1507	}	2186	}
1508		2187
1509	our %MAP_PREFETCH;	2188	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2189	our $MAP_PREFETCHER = undef;
1511		2190
1512	sub find_async {	2191	sub find_async {
1513	my ($path, $origin) = @_;	2192	my ($path, $origin, $load) = @_;
1514		2193
1515	$path = normalise $path, $origin && $origin->{path};	2194	$path = normalise $path, $origin && $origin->{path};
1516		2195
1517	if (my $map = $cf::MAP{$path}) {	2196	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2198	}
1520		2199
1521	undef $MAP_PREFETCH{$path};	2200	$MAP_PREFETCH{$path} |= $load;
		2201
1522	$MAP_PREFETCHER ||= cf::async {	2202	$MAP_PREFETCHER ||= cf::async {
		2203	$Coro::current->{desc} = "map prefetcher";
		2204
1523	while (%MAP_PREFETCH) {	2205	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2206	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2207	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2208	$map->load if $v;
		2209	}
1528		2210
1529	delete $MAP_PREFETCH{$path};	2211	delete $MAP_PREFETCH{$k};
1530	}	2212	}
1531	}	2213	}
1532	undef $MAP_PREFETCHER;	2214	undef $MAP_PREFETCHER;
1533	};	2215	};
1534	$MAP_PREFETCHER->prio (6);	2216	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2219	}
1538		2220
1539	sub save {	2221	sub save {
1540	my ($self) = @_;	2222	my ($self) = @_;
1541		2223
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2225
1544	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1545		2227
1546	return unless $self->dirty;	2228	return unless $self->dirty;
1547		2229
…		…
1553	return if $self->{deny_save};	2235	return if $self->{deny_save};
1554		2236
1555	local $self->{last_access} = $self->last_access;#d#	2237	local $self->{last_access} = $self->last_access;#d#
1556		2238
1557	cf::async {	2239	cf::async {
		2240	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2241	$_->contr->save for $self->players;
1559	};	2242	};
		2243
		2244	cf::get_slot 0.02;
1560		2245
1561	if ($uniq) {	2246	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2248	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2249	} else {
…		…
1570	my ($self) = @_;	2255	my ($self) = @_;
1571		2256
1572	# save first because save cedes	2257	# save first because save cedes
1573	$self->save;	2258	$self->save;
1574		2259
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2261
1577	return if $self->players;	2262	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2263	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2264	return if $self->{deny_save};
1580		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2270	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2271	}
1584		2272
1585	sub reset_at {	2273	sub reset_at {
1586	my ($self) = @_;	2274	my ($self) = @_;
1587		2275
1588	# TODO: safety, remove and allow resettable per-player maps	2276	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2277	return 1e99 if $self->{deny_reset};
1591		2278
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2281
…		…
1605	my ($self) = @_;	2292	my ($self) = @_;
1606		2293
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2295
1609	return if $self->players;	2296	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2297
1612	warn "resetting map ", $self->path;#d#	2298	warn "resetting map ", $self->path;
1613		2299
1614	$self->in_memory (cf::MAP_SWAPPED);	2300	$self->in_memory (cf::MAP_SWAPPED);
1615		2301
1616	# need to save uniques path	2302	# need to save uniques path
1617	unless ($self->{deny_save}) {	2303	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2307	if $uniq;
1622	}	2308	}
1623		2309
1624	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1625		2311
		2312	$self->deactivate;
		2313	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2314	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2315
1630	$self->unlink_save;	2316	$self->unlink_save;
1631	$self->destroy;	2317	$self->destroy;
1632	}	2318	}
1633		2319
1634	my $nuke_counter = "aaaa";	2320	my $nuke_counter = "aaaa";
1635		2321
1636	sub nuke {	2322	sub nuke {
1637	my ($self) = @_;	2323	my ($self) = @_;
1638		2324
		2325	{
		2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2327
1639	delete $cf::MAP{$self->path};	2328	delete $cf::MAP{$self->path};
1640		2329
1641	$self->unlink_save;	2330	$self->unlink_save;
1642		2331
1643	bless $self, "cf::map";	2332	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2333	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2334	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2335	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2337
1649	$cf::MAP{$self->path} = $self;	2338	$cf::MAP{$self->path} = $self;
		2339	}
1650		2340
1651	$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	]
1652	}	2378	}
1653		2379
1654	=item cf::map::unique_maps	2380	=item cf::map::unique_maps
1655		2381
1656	Returns an arrayref of paths of all shared maps that have	2382	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2383	instantiated unique items. May block.
1658		2384
1659	=cut	2385	=cut
1660		2386
1661	sub unique_maps() {	2387	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2388	[
1663	or return;	2389	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2390	utf8::decode $_;
1669	next if /\.pst$/;	2391	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2392	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2393	? ()
1672	push @paths, cf::map::normalise $_;	2394	: normalise $_
		2395	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2396	]
1674
1675	\@paths
1676	}	2397	}
1677
1678	package cf;
1679		2398
1680	=back	2399	=back
1681		2400
1682	=head3 cf::object	2401	=head3 cf::object
1683		2402
…		…
1687		2406
1688	=over 4	2407	=over 4
1689		2408
1690	=item $ob->inv_recursive	2409	=item $ob->inv_recursive
1691		2410
1692	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.
1693		2413
1694	=cut	2414	=cut
1695		2415
1696	sub inv_recursive_;	2416	sub inv_recursive_;
1697	sub inv_recursive_ {	2417	sub inv_recursive_ {
…		…
1700		2420
1701	sub inv_recursive {	2421	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2422	inv_recursive_ inv $_[0]
1703	}	2423	}
1704		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
1705	package cf;	2453	package cf;
1706		2454
1707	=back	2455	=back
1708		2456
1709	=head3 cf::object::player	2457	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2465	dialogue with the given NPC character.
1718		2466
1719	=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	};
1720		2482
1721	# rough implementation of a future "reply" method that works	2483	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2484	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2486	sub cf::object::player::reply($$$;$) {
…		…
1726		2488
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2489	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2490
1729	if ($self->{record_replies}) {	2491	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2492	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2493
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2502	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2503	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2504	}
1734	}	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 (@_);
1735	}	2516	}
1736		2517
1737	=item $player_object->may ("access")	2518	=item $player_object->may ("access")
1738		2519
1739	Returns wether the given player is authorized to access resource "access"	2520	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1787		2568
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2570
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1792		2573
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2575	}
1795		2576
1796	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1798		2581
1799	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1800		2583
1801	unless ($map) {	2584	unless ($map) {
1802	# restore original map position	2585	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2601	if $x <=0 && $y <= 0;
1819		2602
1820	$map->load;	2603	$map->load;
1821	$map->load_diag;	2604	$map->load_neighbours;
1822		2605
1823	return unless $self->contr->active;	2606	return unless $self->contr->active;
1824	$self->activate_recursive;	2607	$self->activate_recursive;
1825		2608
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2610	$self->enter_map ($map, $x, $y);
1828	}	2611	}
1829		2612
1830	cf::player->attach (	2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2614
1834	# abort map switching before logout	2615	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2616	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2617	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2618	the new (success) or old (failed) map position. In either case, $done will
1838	};	2619	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2620
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2621	=cut
		2622
		2623	our $GOTOGEN;
1865		2624
1866	sub cf::object::player::goto {	2625	sub cf::object::player::goto {
1867	my ($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;
1868		2630
1869	$self->enter_link;	2631	$self->enter_link;
1870		2632
1871	(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
1872	my $map = eval {	2655	my $map = eval {
1873	my $map = cf::map::find $path;	2656	my $map = defined $path ? cf::map::find $path : undef;
		2657
		2658	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2671	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2672
		2673	if ($gen == $self->{_goto_generation}) {
		2674	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2675	$self->leave_link ($map, $x, $y);
		2676	}
		2677
		2678	$done->() if $done;
1880	})->prio (1);	2679	})->prio (1);
1881	}	2680	}
1882		2681
1883	=item $player_object->enter_exit ($exit_object)	2682	=item $player_object->enter_exit ($exit_object)
1884		2683
…		…
1904	}	2703	}
1905		2704
1906	sub prepare_random_map {	2705	sub prepare_random_map {
1907	my ($exit) = @_;	2706	my ($exit) = @_;
1908		2707
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2708	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2709	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2710	# that depends on the exit object
1914		2711
1915	my $rmp = parse_random_map_params $exit->msg;	2712	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2714	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2715	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2716	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2717	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2718	$rmp->{origin_y} = $exit->y;
		2719
		2720	$exit->map->touch;
1922	}	2721	}
1923		2722
1924	$rmp->{random_seed} ||= $exit->random_seed;	2723	$rmp->{random_seed} ||= $exit->random_seed;
1925		2724
1926	my $data = cf::to_json $rmp;	2725	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2726	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2727	my $meta = "$RANDOMDIR/$md5.meta";
1929		2728
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2729	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2730	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2731	undef $fh;
1933	aio_rename "$meta~", $meta;	2732	aio_rename "$meta~", $meta;
1934		2733
		2734	my $slaying = "?random/$md5";
		2735
		2736	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2737	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2738	$exit->msg (undef);
		2739	}
1937	}	2740	}
1938	}	2741	}
1939		2742
1940	sub cf::object::player::enter_exit {	2743	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2744	my ($self, $exit) = @_;
1942		2745
1943	return unless $self->type == cf::PLAYER;	2746	return unless $self->type == cf::PLAYER;
1944		2747
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2748	$self->enter_link;
1955		2749
1956	(async {	2750	(async {
1957	$self->deactivate_recursive; # just to be sure	2751	$Coro::current->{desc} = "enter_exit";
		2752
1958	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
1959	$self->goto ($slaying, $hp, $sp);	2768	$self->goto ($map, $x, $y);
1960		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
1961	1;	2774	1
1962	}) {	2775	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2776	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2778	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2779	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2780
1968	warn "ERROR in enter_exit: $@";	2781	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2782	$self->leave_link;
1970	}	2783	}
1971	})->prio (1);	2784	})->prio (1);
…		…
1987		2800
1988	utf8::encode $text;	2801	utf8::encode $text;
1989	$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);
1990	}	2803	}
1991		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	}
1992		2969
1993	=item $success = $client->query ($flags, "text", \&cb)	2970	=item $success = $client->query ($flags, "text", \&cb)
1994		2971
1995	Queues a query to the client, calling the given callback with	2972	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		2975
1999	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
2000	reliable at some point in the future.	2977	become reliable at some point in the future.
2001		2978
2002	=cut	2979	=cut
2003		2980
2004	sub cf::client::query {	2981	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2982	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2990	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2991	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2992
2016	$self->send_packet ($self->{query_queue}[0][0])	2993	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2994	if @{ $self->{query_queue} } == 1;
		2995
		2996	1
2018	}	2997	}
2019		2998
2020	cf::client->attach (	2999	cf::client->attach (
		3000	on_connect => sub {
		3001	my ($ns) = @_;
		3002
		3003	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3004	},
2021	on_reply => sub {	3005	on_reply => sub {
2022	my ($ns, $msg) = @_;	3006	my ($ns, $msg) = @_;
2023		3007
2024	# this weird shuffling is so that direct followup queries	3008	# this weird shuffling is so that direct followup queries
2025	# get handled first	3009	# get handled first
…		…
2037	} else {	3021	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3023	}
2040	}	3024	}
2041	},	3025	},
		3026	on_exticmd => sub {
		3027	my ($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	},
2042	);	3052	);
2043		3053
2044	=item $client->async (\&cb)	3054	=item $client->async (\&cb)
2045		3055
2046	Create a new coroutine, running the specified callback. The coroutine will	3056	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3097	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3098	our $safe_hole = new Safe::Hole;
2089		3099
2090	$SIG{FPE} = 'IGNORE';	3100	$SIG{FPE} = 'IGNORE';
2091		3101
2092	$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	));
2093		3107
2094	# here we export the classes and methods available to script code	3108	# here we export the classes and methods available to script code
2095		3109
2096	=pod	3110	=pod
2097		3111
2098	The following fucntions and emthods are available within a safe environment:	3112	The following functions and methods are available within a safe environment:
2099		3113
2100	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
2101	cf::object::player player	3118	cf::object::player
2102	cf::player peaceful	3119	player
2103	cf::map trigger	3120
		3121	cf::player
		3122	peaceful
		3123
		3124	cf::map
		3125	trigger
2104		3126
2105	=cut	3127	=cut
2106		3128
2107	for (	3129	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3133	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3134	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3135	["cf::map" => qw(trigger)],
2112	) {	3136	) {
2113	no strict 'refs';	3137	no strict 'refs';
…		…
2184	=back	3208	=back
2185		3209
2186	=cut	3210	=cut
2187		3211
2188	#############################################################################	3212	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3213	# the server's init and main functions
2262		3214
2263	sub load_faces {	3215	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3216	my ($path) = @_;
2265		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;
		3223
2266	warn "loading faces from $path\n";	3224	warn "loading facedata from $path\n";
2267		3225
2268	my $faces;	3226	my $facedata;
2269	0 < aio_load $path, $faces	3227	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3228	or die "$path: $!";
2271		3229
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3230	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3231
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3232	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3233	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		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 = $facedata->{faceinfo};
		3244
2280	while (my ($face, $info) = each %$faces) {	3245	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	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};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3252
		3253	cf::cede_to_tick;
		3254	}
		3255
2287	while (my ($face, $info) = each %$faces) {	3256	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3257	next unless $info->{smooth};
		3258
2289	my $idx = cf::face::find $face	3259	my $idx = cf::face::find $face
2290	or next;	3260	or next;
		3261
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3262	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3263	cf::face::set_smooth $idx, $smooth;
		3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3265	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3266	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3267	}
2296	Coro::cede;	3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
2297	}	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);
2298		3318
2299	1	3319	1
2300	}	3320	}
2301		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
2302	sub reload_resources {	3389	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3390	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3391
2305	load_faces	3392	reload_facedata;
2306	or die "unable to load faces\n";#d#	3393	reload_archetypes;
		3394	reload_regions;
		3395	reload_treasures;
		3396
		3397	warn "finished reloading resource files\n";
2307	}	3398	}
2308		3399
2309	sub init {	3400	sub init {
		3401	my $guard = freeze_mainloop;
		3402
2310	reload_resources;	3403	reload_resources;
2311	}	3404	}
2312		3405
2313	sub cfg_load {	3406	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3408	or return;
2316		3409
2317	local $/;	3410	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2319		3412
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3414
2322	$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};
2323	$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};
…		…
2334	sub main {	3427	sub main {
2335	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2337	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#
2338	(async {	3431	(async {
2339	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2341	};	3435	};
2342		3436
2343	cfg_load;	3437	{
		3438	my $guard = freeze_mainloop;
		3439	reload_config;
2344	db_init;	3440	db_init;
2345	load_extensions;	3441	load_extensions;
2346		3442
2347	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2348	Event::loop;	3446	EV::loop;
2349	}	3447	}
2350		3448
2351	#############################################################################	3449	#############################################################################
2352	# initialisation and cleanup	3450	# initialisation and cleanup
2353		3451
2354	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2355	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2364	},
2365	);	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
2366	}	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 };
2367	}	3541	}
2368		3542
2369	sub emergency_save() {	3543	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2371		3545
…		…
2377	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3557	$pl->save;
2383	}	3558	}
2384	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2385		3560
2386	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2392	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
2393		3568
2394	warn "begin emergency database checkpoint\n";	3569	warn "begin emergency database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3570	BDB::db_env_txn_checkpoint $DB_ENV;
2396	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";
2397	};	3576	};
2398		3577
2399	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2400	}	3579	}
2401		3580
…		…
2404		3583
2405	warn Carp::longmess "post_cleanup backtrace"	3584	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3585	if $make_core;
2407	}	3586	}
2408		3587
2409	sub reload() {	3588	sub do_reload_perl() {
2410	# can/must only be called in main	3589	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2413	return;	3592	return;
2414	}	3593	}
…		…
2416	warn "reloading...";	3595	warn "reloading...";
2417		3596
2418	warn "entering sync_job";	3597	warn "entering sync_job";
2419		3598
2420	cf::sync_job {	3599	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3600	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3601	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3602	cf::write_runtime_sync; # external watchdog should not bark
2424		3603
2425	warn "syncing database to disk";	3604	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3606
2428	# 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
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434		3608
2435	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2436	for (;;) {	3610	for (;;) {
2437	BDB::flush;	3611	BDB::flush;
2438	IO::AIO::flush;	3612	IO::AIO::flush;
2439	Coro::cede;	3613	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3615	warn "iterate...";
2442	}	3616	}
2443		3617
2444	++$RELOAD;	3618	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3622	%EXT_CORO = ();
2449		3623
2450	warn "removing commands";	3624	warn "removing commands";
2451	%COMMAND = ();	3625	%COMMAND = ();
2452		3626
2453	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2455		3630
2456	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2459		3634
…		…
2489	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2490	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);
2491		3666
2492	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2494		3670
2495	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3672	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2498		3674
…		…
2501	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2502	require cf;	3678	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3680
2505	warn "loading config and database again";	3681	warn "loading config and database again";
2506	cf::cfg_load;	3682	cf::reload_config;
2507		3683
2508	warn "loading extensions";	3684	warn "loading extensions";
2509	cf::load_extensions;	3685	cf::load_extensions;
2510		3686
2511	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3691	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3692	reattach $_ for values %PLAYER;
2517		3693
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3694	warn "leaving sync_job";
2522		3695
2523	1	3696	1
2524	} or do {	3697	} or do {
2525	warn $@;	3698	warn $@;
2526	warn "error while reloading, exiting.";	3699	cf::cleanup "error while reloading, exiting.";
2527	exit 1;
2528	};	3700	};
2529		3701
2530	warn "reloaded";	3702	warn "reloaded";
2531	};	3703	};
2532		3704
2533	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2534		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
2535	register_command "reload" => sub {	3717	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2537		3719
2538	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2540		3722	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3724	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3725	};
2553	}	3726	}
2554	};	3727	};
2555		3728
2556	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2557		3730
2558	my $bug_warning = 0;	3731	my $bug_warning = 0;
2559		3732
2560	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3735
2563	prio => 0,	3736	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3738
2566	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 {
2567	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2568	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"
2569	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2570	return;	3756	return;
2571	}	3757	}
2572		3758
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3760
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3765	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3767	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3768	}
2599	);	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	}
2600		3788
2601	{	3789	{
2602	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3791
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2612		3793	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3795
2628	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2629	$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);
2630		3802
2631	cf::sync_job {	3803	cf::sync_job {
2632	eval {	3804	eval {
2633	BDB::db_env_open	3805	BDB::db_env_open
2634	$DB_ENV,	3806	$DB_ENV,
2635	$BDB_ENV_DIR,	3807	$BDBDIR,
2636	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
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3810	0666;
2639		3811
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3813	};
2645		3814
2646	cf::cleanup "db_env_open(db): $@" if $@;	3815	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3816	};
2648	}	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	};
2649	}	3828	}
2650		3829
2651	{	3830	{
		3831	# configure IO::AIO
		3832
2652	IO::AIO::min_parallel 8;	3833	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3834	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3835	#undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	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;
2665		3880
2666	END { cf::emergency_save }	3881	END { cf::emergency_save }
2667		3882
		3883	evthread_start IO::AIO::poll_fileno;
		3884
2668	1	3885	1
2669		3886

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