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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
33		61
34	# configure various modules to our taste	62	# configure various modules to our taste
35	#	63	#
36	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		67
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		69
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		71
49	our %COMMAND = ();	72	our %COMMAND = ();
50	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
51		74
52	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
56		80
57	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
58	our @EVENT;	82	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	83
		84	our $CONFDIR = confdir;
		85	our $DATADIR = datadir;
		86	our $LIBDIR = "$DATADIR/ext";
		87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
60		96
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	99	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	105	our $DB_ENV;
71		106
72	our %CFG;	107	our %CFG;
73		108
74	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
76		112
77	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		116
83	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
86	binmode STDOUT;	125	binmode STDOUT;
87	binmode STDERR;	126	binmode STDERR;
88		127
89	# read virtual server time, if available	128	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
94	}	133	}
95		134
96	mkdir cf::localdir;	135	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		137
103	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
104		139
105	sub cf::map::normalise;	140	sub cf::map::normalise;
106		141
…		…
117	=item $cf::RUNTIME	152	=item $cf::RUNTIME
118		153
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	155	every server tick.
121		156
122	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		160
124	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
126		165
127	=item $cf::NOW	166	=item $cf::NOW
128		167
129	The time of the last (current) server tick.	168	The time of the last (current) server tick.
130		169
131	=item $cf::TICK	170	=item $cf::TICK
132		171
133	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
134		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
135	=item %cf::CFG	184	=item %cf::CFG
136		185
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	187	from wherever your confdir points to.
139		188
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		190
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	192	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
		200
146	=back	201	=back
147		202
148	=cut	203	=cut
149		204
150	BEGIN {	205	BEGIN {
…		…
152	my $msg = join "", @_;	207	my $msg = join "", @_;
153		208
154	$msg .= "\n"	209	$msg .= "\n"
155	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
156		211
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		213
159	utf8::encode $msg;
160	LOG llevError, $msg;	214	LOG llevError, $msg;
161	};	215	};
162	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
163		232
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		240
171	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	242	# within the Safe compartment.
173	for my $pkg (qw(	243	for my $pkg (qw(
174	cf::global cf::attachable	244	cf::global cf::attachable
175	cf::object cf::object::player	245	cf::object cf::object::player
176	cf::client cf::player	246	cf::client cf::player
177	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
178	cf::map cf::party cf::region	249	cf::party cf::region
179	)) {	250	)) {
180	no strict 'refs';	251	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	253	}
183		254
184	$Event::DIED = sub {	255	$EV::DIED = sub {
185	warn "error in event callback: @_";	256	warn "error in event callback: @_";
186	};	257	};
		258
		259	#############################################################################
187		260
188	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
189		262
190	=over 4	263	=over 4
191		264
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	284	$d
212	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
213	}	286	}
214		287
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
218		289
219	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
220		291
221	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
222		293
223	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
		295
		296	=cut
		297
		298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		299
		300	sub encode_json($) { $json_coder->encode ($_[0]) }
		301	sub decode_json($) { $json_coder->decode ($_[0]) }
224		302
225	=item cf::lock_wait $string	303	=item cf::lock_wait $string
226		304
227	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
228		306
…		…
231	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
234	returned.	312	returned.
235		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
236	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
238		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
239	=cut	324	=cut
240		325
241	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
242		328
243	sub lock_wait($) {	329	sub lock_wait($) {
244	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
245		336
246	# wait for lock, if any	337	# wait for lock, if any
247	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	340	Coro::schedule;
…		…
255		346
256	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
257	lock_wait $key;	348	lock_wait $key;
258		349
259	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
260		352
261	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
264	}	357	}
265	}	358	}
266		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
267	sub freeze_mainloop {	366	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
269		368
270	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	370	}
		371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
272	};	430	}
273	$TICK_WATCHER->stop;	431	};
274	$guard	432
		433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
275	}	445	}
276		446
277	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
278		448
279	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		454
285	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
286		456
287	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
288		458
289	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
292		463
293	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
296	fast or be very important.	467	fast or be very important.
…		…
299		470
300	sub sync_job(&) {	471	sub sync_job(&) {
301	my ($job) = @_;	472	my ($job) = @_;
302		473
303	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
304	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
306		479
307	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	481
309	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
310		483
311	my $busy = 1;	484	my $busy = 1;
312	my @res;	485	my @res;
313		486
314	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	489	@res = eval { $job->() };
316	warn $@ if $@;	490	warn $@ if $@;
317	undef $busy;	491	undef $busy;
318	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
319		493
320	while ($busy) {	494	while ($busy) {
321	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
322	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
323		505
324	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
325	} else {	507	} else {
326	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
327		509
…		…
347	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
348		530
349	$coro	531	$coro
350	}	532	}
351		533
352	sub write_runtime {	534	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		535
355	my $runtime = cf::localdir . "/runtime";	536	Executes the given code block with the given arguments in a seperate
		537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
356		540
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	=cut
358	or return;
359		542
360	my $value = $cf::RUNTIME + 90 + 10;	543	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	544	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		545
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	546	# we seemingly have to make a local copy of the whole thing,
365	and return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
366		549
367	# always fsync - this file is important	550	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	551	reset_signals;
369	and return;	552	&$cb
		553	}, @args;
370		554
371	close $fh	555	wantarray ? @res : $res[-1]
372	or return;	556	}
373		557
374	aio_rename "$runtime~", $runtime	558	=item $coin = coin_from_name $name
375	and return;
376		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
377	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
378	}	710	}
379		711
380	=item cf::datalog type => key => value, ...	712	=item cf::datalog type => key => value, ...
381		713
382	Log a datalog packet of the given type with the given key-value pairs.	714	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
402		734
403	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	737	Deliantra).
406		738
407	=over 4	739	=over 4
408		740
409	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
410		742
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
574		906
575	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		911
580	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	913	my $pkg = shift @arg;
582		914
583	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
613	}	945	}
614		946
615	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
616	} else {	948	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	950	}
619		951
620	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
621	}	953	}
622		954
…		…
624	if (ref $_[0]) {	956	if (ref $_[0]) {
625	_object_attach @_;	957	_object_attach @_;
626	} else {	958	} else {
627	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
628	}	960	}
		961	_recalc_want;
629	};	962	};
630		963
631	# all those should be optimised	964	# all those should be optimised
632	sub cf::attachable::detach {	965	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
637	reattach ($obj);	970	reattach ($obj);
638	} else {	971	} else {
639	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
640	}	973	}
		974	_recalc_want;
641	};	975	};
642		976
643	sub cf::attachable::attached {	977	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
645		979
…		…
660	";	994	";
661	die if $@;	995	die if $@;
662	}	996	}
663		997
664	our $override;	998	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1000
667	sub override {	1001	sub override {
668	$override = 1;	1002	$override = 1;
669	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
670	}	1004	}
671		1005
672	sub do_invoke {	1006	sub do_invoke {
673	my $event = shift;	1007	my $event = shift;
674	my $callbacks = shift;	1008	my $callbacks = shift;
675		1009
676	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
677		1011
678	local $override;	1012	local $override;
679		1013
680	for (@$callbacks) {	1014	for (@$callbacks) {
681	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
690	}	1024	}
691		1025
692	0	1026	0
693	}	1027	}
694		1028
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1030
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1032
699	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
700		1034
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1036	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1038
705	=back	1039	=back
706		1040
707	=cut	1041	=cut
708		1042
709	#############################################################################	1043	#############################################################################
710	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
711		1087
712	sub reattach {	1088	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1090	my ($obj) = @_;
715		1091
…		…
736	cf::attachable->attach (	1112	cf::attachable->attach (
737	prio => -1000000,	1113	prio => -1000000,
738	on_instantiate => sub {	1114	on_instantiate => sub {
739	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
740		1116
741	$data = from_json $data;	1117	$data = decode_json $data;
742		1118
743	for (@$data) {	1119	for (@$data) {
744	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
745		1121
746	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1138	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
764		1140
765	sync_job {	1141	sync_job {
766	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
769		1146
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1151	aio_close $fh;
775		1152
776	if (@$objs) {	1153	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1159	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
784	}	1161	}
785	} else {	1162	} else {
786	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
787	}	1164	}
…		…
792	}	1169	}
793	} else {	1170	} else {
794	aio_unlink $filename;	1171	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
796	}	1173	}
797	}	1174	};
798	}	1175	}
799		1176
800	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
802		1179
…		…
814	or return;	1191	or return;
815		1192
816	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
818	or return;	1195	or return;
		1196
819	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
820	}	1199	}
821		1200
		1201	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
824	return ($data, $av);	1205	($data, $av)
825	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
826		1213
827	#############################################################################	1214	#############################################################################
828	# command handling &c	1215	# command handling &c
829		1216
830	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1231	}
845		1232
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1234
848	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
849		1240
850	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
851	called.	1242	called.
852		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
853	=cut	1255	=cut
854		1256
855	sub register_extcmd {	1257	sub register_extcmd {
856	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
857		1259
858	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
859	}	1267	}
860		1268
861	cf::player->attach (	1269	cf::player->attach (
862	on_command => sub {	1270	on_command => sub {
863	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1280	cf::override;
873	},	1281	},
874	on_extcmd => sub {	1282	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
876		1284
877	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1286
879	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
885	} else {	1302	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1304	}
888		1305
889	cf::override;	1306	cf::override;
890	},	1307	},
891	);	1308	);
892		1309
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
928	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1315	next unless -r $path;
930	eval {	1316
931	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
932	1	1373	}
933	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
934	}	1379	};
935	}	1380	}
936		1381
937	#############################################################################	1382	#############################################################################
938		1383
		1384	=back
		1385
939	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
940		1387
941	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
942		1389
943	=cut	1390	=cut
…		…
948		1395
949	=head3 cf::player	1396	=head3 cf::player
950		1397
951	=over 4	1398	=over 4
952		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
		1413
953	=item cf::player::find $login	1414	=item cf::player::find $login
954		1415
955	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
956		1417
957	=cut	1418	=cut
958		1419
959	sub playerdir($) {	1420	sub playerdir($) {
960	cf::localdir	1421	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1423	}
966		1424
967	sub path($) {	1425	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1456	aio_unlink +(playerdir $login) . "/$login.pl";
999		1457
1000	my $pl = load_pl path $login	1458	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1003	}	1467	}
1004	}	1468	}
1005	}	1469	}
1006		1470
…		…
1015	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1016		1480
1017	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1019		1483
		1484	cf::get_slot 0.01;
		1485
1020	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1021	Coro::cede;	1487	cf::cede_to_tick;
1022	}	1488	}
1023		1489
1024	sub new($) {	1490	sub new($) {
1025	my ($login) = @_;	1491	my ($login) = @_;
1026		1492
…		…
1032	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1033		1499
1034	$self	1500	$self
1035	}	1501	}
1036		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1037	=item $pl->quit_character	1513	=item $pl->quit_character
1038		1514
1039	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1041		1517
…		…
1049	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1051		1527
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1056		1534
1057	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1089		1567
1090	=cut	1568	=cut
1091		1569
1092	sub list_logins {	1570	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1572	or return [];
1095		1573
1096	my @logins;	1574	my @logins;
1097		1575
1098	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1102		1586
1103	utf8::decode $login;	1587	utf8::decode $login;
1104	push @logins, $login;	1588	push @logins, $login;
1105	}	1589	}
1106		1590
…		…
1133	}	1617	}
1134		1618
1135	\@paths	1619	\@paths
1136	}	1620	}
1137		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1138	=item $player->ext_reply ($msgid, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1139		1716
1140	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1141		1718
1142	=cut	1719	=cut
1143		1720
1144	sub ext_reply($$%) {	1721	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1146		1723
1147	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1725	}
1151		1726
1152	=item $player->ext_event ($type, %msg)	1727	=item $player->ext_msg ($type, @msg)
1153		1728
1154	Sends an ext event to the client.	1729	Sends an ext event to the client.
1155		1730
1156	=cut	1731	=cut
1157		1732
1158	sub ext_event($$%) {	1733	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1734	my ($self, $type, @msg) = @_;
1160		1735
1161	$self->ns->ext_event ($type, %msg);	1736	$self->ns->ext_msg ($type, @msg);
1162	}	1737	}
1163		1738
1164	=head3 cf::region	1739	=head3 cf::region
1165		1740
1166	=over 4	1741	=over 4
…		…
1169		1744
1170	package cf::region;	1745	package cf::region;
1171		1746
1172	=item cf::region::find_by_path $path	1747	=item cf::region::find_by_path $path
1173		1748
1174	Tries to decuce the probable region for a map knowing only its path.	1749	Tries to decuce the likely region for a map knowing only its path.
1175		1750
1176	=cut	1751	=cut
1177		1752
1178	sub find_by_path($) {	1753	sub find_by_path($) {
1179	my ($path) = @_;	1754	my ($path) = @_;
1180		1755
1181	my ($match, $specificity);	1756	my ($match, $specificity);
1182		1757
1183	for my $region (list) {	1758	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1759	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1760	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1761	if $region->specificity > $specificity;
1187	}	1762	}
1188	}	1763	}
1189		1764
…		…
1210	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1212		1787
1213	sub generate_random_map {	1788	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1215	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1794	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1254		1832
1255	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1256	local $self->{path};	1834	local $self->{path};
1257	local $self->{load_path};	1835	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1836
1261	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1262	}	1838	}
1263		1839
1264	sub normalise {	1840	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1312	return $self;	1888	return $self;
1313	}	1889	}
1314	}	1890	}
1315		1891
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1893	()
1318	}	1894	}
1319		1895
1320	sub init {	1896	sub init {
1321	my ($self) = @_;	1897	my ($self) = @_;
…		…
1336		1912
1337	# the original (read-only) location	1913	# the original (read-only) location
1338	sub load_path {	1914	sub load_path {
1339	my ($self) = @_;	1915	my ($self) = @_;
1340		1916
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1342	}	1918	}
1343		1919
1344	# the temporary/swap location	1920	# the temporary/swap location
1345	sub save_path {	1921	sub save_path {
1346	my ($self) = @_;	1922	my ($self) = @_;
1347		1923
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1350	}	1926	}
1351		1927
1352	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1353	sub uniq_path {	1929	sub uniq_path {
1354	my ($self) = @_;	1930	my ($self) = @_;
1355		1931
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1358	}	1934	}
1359		1935
1360	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1361	# all maps in C++...	1937	# all maps in C++...
1362	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1364		1940
1365	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1367	}	1943	}
1368		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1369	sub unlink_save {	1953	sub unlink_save {
1370	my ($self) = @_;	1954	my ($self) = @_;
1371		1955
1372	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1960
1377	sub load_header_from($) {	1961	sub load_header_from($) {
1378	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1379		1963
1380	utf8::encode $path;	1964	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1966	or return;
		1967
		1968	$self->_load_header ($f)
		1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1386		1973
1387	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1388		1975
1389	1	1976	1
1390	}	1977	}
…		…
1429	$self->load_header_orig	2016	$self->load_header_orig
1430	or return;	2017	or return;
1431	$self->prepare_orig;	2018	$self->prepare_orig;
1432	}	2019	}
1433		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
1434	$self->default_region (cf::region::find_by_path $self->{path})	2024	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2025	unless $self->default_region;
1436		2026
1437	1	2027	1
1438	}	2028	}
…		…
1441	sub find {	2031	sub find {
1442	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1443		2033
1444	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1445		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1447		2038
1448	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1450	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1451	or return;	2044	or return;
1452		2045
1453	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1454		2047
1455	$map->load_header	2048	$map->load_header
1456	or return;	2049	or return;
1457		2050
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1461	$map->reset;	2056	$map->reset;
1462	undef $guard;
1463	return find $path;	2057	return find $path;
1464	}	2058	}
1465		2059
1466	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1467	}	2061	}
…		…
1474	my ($self) = @_;	2068	my ($self) = @_;
1475		2069
1476	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1477		2071
1478	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1480		2076
		2077	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2079
1483	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1484		2081
1485	$self->alloc;	2082	$self->alloc;
1486		2083
1487	$self->pre_load;	2084	$self->pre_load;
1488	Coro::cede;	2085	cf::cede_to_tick;
1489		2086
1490	$self->_load_objects ($self->{load_path}, 1)	2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
		2089	$self->_load_objects ($f)
1491	or return;	2090	or return;
1492		2091
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1494	if delete $self->{load_original};	2093	if delete $self->{load_original};
1495		2094
1496	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2096	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2099	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1501	}	2103	}
1502	}	2104	}
1503		2105
1504	Coro::cede;	2106	$f->resolve_delayed_derefs;
		2107
		2108	cf::cede_to_tick;
1505	# now do the right thing for maps	2109	# now do the right thing for maps
1506	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2112	unless $self->difficulty;
1517	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($self->{deny_activate}) {
		2116	$self->decay_objects;
		2117	$self->fix_auto_apply;
		2118	$self->update_buttons;
		2119	cf::cede_to_tick;
		2120	$self->set_darkness_map;
		2121	cf::cede_to_tick;
1518	$self->activate;	2122	$self->activate;
1519	Coro::cede;	2123	}
		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
		2128	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2129	}
1521		2130
1522	$self->post_load;	2131	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2132	}
1527		2133
1528	sub customise_for {	2134	sub customise_for {
1529	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1530		2136
1531	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2138	if $self->per_player;
1533		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1534	$self	2143	$self
1535	}	2144	}
1536		2145
1537	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2147	sub load_neighbours {
1539	my ($map) = @_;	2148	my ($map) = @_;
1540		2149
1541	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1542		2151
1543	for (0 .. 3) {	2152	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1545	or next;	2154	or next;
1546	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1547	or next;	2156	or next;
1548	$neigh->load;	2157	$neigh->load;
1549		2158
		2159	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2162	}
1553		2163
1554	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1556	or next;	2167	or next;
1557	$neigh->load;	2168	$neigh->load;
1558	}	2169	}
1559	}	2170	}
1560		2171
…		…
1565	}	2176	}
1566		2177
1567	sub do_load_sync {	2178	sub do_load_sync {
1568	my ($map) = @_;	2179	my ($map) = @_;
1569		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1570	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1571	}	2185	}
1572		2186
1573	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1575		2189
1576	sub find_async {	2190	sub find_async {
1577	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1578		2192
1579	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1580		2194
1581	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2197	}
1584		2198
1585	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1586	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1587	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2206	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2207	$map->load if $v;
		2208	}
1592		2209
1593	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1594	}	2211	}
1595	}	2212	}
1596	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1597	};	2214	};
1598	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2218	}
1602		2219
1603	sub save {	2220	sub save {
1604	my ($self) = @_;	2221	my ($self) = @_;
1605		2222
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2224
1608	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1609		2226
1610	return unless $self->dirty;	2227	return unless $self->dirty;
1611		2228
…		…
1617	return if $self->{deny_save};	2234	return if $self->{deny_save};
1618		2235
1619	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1620		2237
1621	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1623	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1624		2244
1625	if ($uniq) {	2245	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2248	} else {
…		…
1634	my ($self) = @_;	2254	my ($self) = @_;
1635		2255
1636	# save first because save cedes	2256	# save first because save cedes
1637	$self->save;	2257	$self->save;
1638		2258
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2260
1641	return if $self->players;	2261	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2263	return if $self->{deny_save};
1644		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2269	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2270	}
1648		2271
1649	sub reset_at {	2272	sub reset_at {
1650	my ($self) = @_;	2273	my ($self) = @_;
1651		2274
1652	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1655		2277
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2280
…		…
1669	my ($self) = @_;	2291	my ($self) = @_;
1670		2292
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2294
1673	return if $self->players;	2295	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2296
1676	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
1677		2298
1678	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->in_memory (cf::MAP_SWAPPED);
1679		2300
1680	# need to save uniques path	2301	# need to save uniques path
1681	unless ($self->{deny_save}) {	2302	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2306	if $uniq;
1686	}	2307	}
1687		2308
1688	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1689		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2313	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2314
1694	$self->unlink_save;	2315	$self->unlink_save;
1695	$self->destroy;	2316	$self->destroy;
1696	}	2317	}
1697		2318
1698	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1699		2320
1700	sub nuke {	2321	sub nuke {
1701	my ($self) = @_;	2322	my ($self) = @_;
1702		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1703	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1704		2328
1705	$self->unlink_save;	2329	$self->unlink_save;
1706		2330
1707	bless $self, "cf::map";	2331	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2336
1713	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1714		2339
1715	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1716	}	2377	}
1717		2378
1718	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1719		2380
1720	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2382	instantiated unique items. May block.
1722		2383
1723	=cut	2384	=cut
1724		2385
1725	sub unique_maps() {	2386	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1727	or return;	2388	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2389	utf8::decode $_;
1733	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2392	? ()
1736	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2395	]
1738
1739	\@paths
1740	}	2396	}
1741
1742	package cf;
1743		2397
1744	=back	2398	=back
1745		2399
1746	=head3 cf::object	2400	=head3 cf::object
1747		2401
…		…
1751		2405
1752	=over 4	2406	=over 4
1753		2407
1754	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1755		2409
1756	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1757		2412
1758	=cut	2413	=cut
1759		2414
1760	sub inv_recursive_;	2415	sub inv_recursive_;
1761	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1764		2419
1765	sub inv_recursive {	2420	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1767	}	2422	}
1768		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1769	package cf;	2452	package cf;
1770		2453
1771	=back	2454	=back
1772		2455
1773	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1782		2465
1783	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1784		2481
1785	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2483	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1790		2487
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2489
1793	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1795	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1798	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1799	}	2515	}
1800		2516
1801	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1802		2518
1803	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1851		2567
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2569
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1856		2572
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2574	}
1859		2575
1860	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1862		2580
1863	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1864		2582
1865	unless ($map) {	2583	unless ($map) {
1866	# restore original map position	2584	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1883		2601
1884	$map->load;	2602	$map->load;
1885	$map->load_diag;	2603	$map->load_neighbours;
1886		2604
1887	return unless $self->contr->active;	2605	return unless $self->contr->active;
1888	$self->activate_recursive;	2606	$self->activate_recursive;
1889		2607
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1892	}	2610	}
1893		2611
1894	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2613
1898	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1902	};	2618	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2619
1908	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1909	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2622
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1929		2626
1930	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2632
1933	$self->enter_link;	2633	$self->enter_link;
1934		2634
1935	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1936	my $map = eval {	2657	my $map = eval {
1937	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1939	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2673	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1944	})->prio (1);	2681	})->prio (1);
1945	}	2682	}
1946		2683
1947	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1948		2685
…		…
1968	}	2705	}
1969		2706
1970	sub prepare_random_map {	2707	sub prepare_random_map {
1971	my ($exit) = @_;	2708	my ($exit) = @_;
1972		2709
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2712	# that depends on the exit object
1978		2713
1979	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2716	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1986	}	2723	}
1987		2724
1988	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1989		2726
1990	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1993		2730
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2733	undef $fh;
1997	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1998		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2001	}	2742	}
2002	}	2743	}
2003		2744
2004	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2006		2747
2007	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2008		2749
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2750	$self->enter_link;
2021		2751
2022	(async {	2752	(async {
2023	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2024	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2025	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2026		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2027	1;	2776	1
2028	}) {	2777	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
2030	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2053		2802
2054	utf8::encode $text;	2803	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2805	}
2057		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
2058	=item $client->ext_event ($type, %msg)	2937	=item $client->ext_msg ($type, @msg)
2059		2938
2060	Sends an exti event to the client.	2939	Sends an ext event to the client.
2061		2940
2062	=cut	2941	=cut
2063		2942
2064	sub cf::client::ext_event($$%) {	2943	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2944	my ($self, $type, @msg) = @_;
2066		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2949	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
2069	}	2970	}
2070		2971
2071	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
2072		2973
2073	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2977
2077	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2979	become reliable at some point in the future.
2079		2980
2080	=cut	2981	=cut
2081		2982
2082	sub cf::client::query {	2983	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2992	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2994
2094	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2096	}	2999	}
2097		3000
2098	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
2099	on_reply => sub {	3007	on_reply => sub {
2100	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2101		3009
2102	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2103	# get handled first	3011	# get handled first
…		…
2115	} else {	3023	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3025	}
2118	}	3026	}
2119	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
2120	);	3054	);
2121		3055
2122	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2123		3057
2124	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2167		3101
2168	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2169		3103
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2171		3109
2172	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2173		3111
2174	=pod	3112	=pod
2175		3113
2176	The following functions and methods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2177		3115
2178	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2179	cf::object::player player	3120	cf::object::player
2180	cf::player peaceful	3121	player
2181	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2182		3128
2183	=cut	3129	=cut
2184		3130
2185	for (	3131	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2187	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2190	) {	3138	) {
2191	no strict 'refs';	3139	no strict 'refs';
…		…
2262	=back	3210	=back
2263		3211
2264	=cut	3212	=cut
2265		3213
2266	#############################################################################	3214	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3215	# the server's init and main functions
2436		3216
2437	sub load_facedata($) {	3217	sub load_facedata($) {
2438	my ($path) = @_;	3218	my ($path) = @_;
		3219
		3220	# HACK to clear player env face cache, we need some signal framework
		3221	# for this (global event?)
		3222	%ext::player_env::MUSIC_FACE_CACHE = ();
		3223
		3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3225
2440	warn "loading facedata from $path\n";	3226	warn "loading facedata from $path\n";
2441		3227
2442	my $facedata;	3228	my $facedata;
2443	0 < aio_load $path, $facedata	3229	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3232	$facedata = Coro::Storable::thaw $facedata;
2447		3233
2448	$facedata->{version} == 2	3234	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3236
		3237	# patch in the exptable
		3238	$facedata->{resource}{"res/exp_table"} = {
		3239	type => FT_RSRC,
		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3241	};
		3242	cf::cede_to_tick;
		3243
2451	{	3244	{
2452	my $faces = $facedata->{faceinfo};	3245	my $faces = $facedata->{faceinfo};
2453		3246
2454	while (my ($face, $info) = each %$faces) {	3247	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3254
		3255	cf::cede_to_tick;
2460	}	3256	}
2461		3257
2462	while (my ($face, $info) = each %$faces) {	3258	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3259	next unless $info->{smooth};
		3260
2464	my $idx = cf::face::find $face	3261	my $idx = cf::face::find $face
2465	or next;	3262	or next;
		3263
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3267	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3269	}
2471	Coro::cede;	3270
		3271	cf::cede_to_tick;
2472	}	3272	}
2473	}	3273	}
2474		3274
2475	{	3275	{
2476	my $anims = $facedata->{animinfo};	3276	my $anims = $facedata->{animinfo};
2477		3277
2478	while (my ($anim, $info) = each %$anims) {	3278	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3280	cf::cede_to_tick;
2481	}	3281	}
2482		3282
2483	cf::anim::invalidate_all; # d'oh	3283	cf::anim::invalidate_all; # d'oh
2484	}	3284	}
2485		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
2486	1	3321	1
2487	}	3322	}
2488		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
		3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
		3367	load_resource_file "$MAPDIR/regions"
		3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
		3374	}
		3375
2489	sub reload_facedata {	3376	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3377	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3378	or die "unable to load facedata\n";
2492	}	3379	}
2493		3380
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3381	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3382	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3383	or die "unable to load archetypes\n";
2502	}	3384	}
2503		3385
2504	sub reload_treasures {	3386	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3387	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3388	or die "unable to load treasurelists\n";
2507	}	3389	}
2508		3390
2509	sub reload_resources {	3391	sub reload_resources {
2510	warn "reloading resource files...\n";	3392	warn "reloading resource files...\n";
2511		3393
2512	reload_regions;
2513	reload_facedata;	3394	reload_facedata;
2514	reload_archetypes;	3395	reload_archetypes;
		3396	reload_regions;
2515	reload_treasures;	3397	reload_treasures;
2516		3398
2517	warn "finished reloading resource files\n";	3399	warn "finished reloading resource files\n";
2518	}	3400	}
2519		3401
2520	sub init {	3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
2521	reload_resources;	3407	reload_resources;
2522	}	3408	}
2523		3409
2524	sub cfg_load {	3410	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3412	or return;
2527		3413
2528	local $/;	3414	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2530		3416
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3418
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2545	sub main {	3431	sub main {
2546	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3435	(async {
2550	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2552	};	3439	};
2553		3440
2554	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2555	db_init;	3444	db_init;
2556	load_extensions;	3445	load_extensions;
2557		3446
2558	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2559	Event::loop;	3450	EV::loop;
2560	}	3451	}
2561		3452
2562	#############################################################################	3453	#############################################################################
2563	# initialisation and cleanup	3454	# initialisation and cleanup
2564		3455
2565	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2566	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2575	},
2576	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2577	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2578	}	3545	}
2579		3546
2580	sub emergency_save() {	3547	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2582		3549
…		…
2588	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3561	$pl->save;
2594	}	3562	}
2595	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2596		3564
2597	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2603	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2604		3572
2605	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2606	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2607	warn "end emergency database checkpoint\n";	3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2608	};	3580	};
2609		3581
2610	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2611	}	3583	}
2612		3584
…		…
2627	warn "reloading...";	3599	warn "reloading...";
2628		3600
2629	warn "entering sync_job";	3601	warn "entering sync_job";
2630		3602
2631	cf::sync_job {	3603	cf::sync_job {
2632	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2633	cf::emergency_save;	3605	cf::emergency_save;
2634	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2635		3607
2636	warn "syncing database to disk";	3608	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3610
2639	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2640
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645		3612
2646	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2647	for (;;) {	3614	for (;;) {
2648	BDB::flush;	3615	BDB::flush;
2649	IO::AIO::flush;	3616	IO::AIO::flush;
2650	Coro::cede;	3617	Coro::cede_notself;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2652	warn "iterate...";	3619	warn "iterate...";
2653	}	3620	}
2654		3621
2655	++$RELOAD;	3622	++$RELOAD;
…		…
2659	%EXT_CORO = ();	3626	%EXT_CORO = ();
2660		3627
2661	warn "removing commands";	3628	warn "removing commands";
2662	%COMMAND = ();	3629	%COMMAND = ();
2663		3630
2664	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2665	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2666		3634
2667	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2670		3638
…		…
2700	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3670
2703	warn "unloading cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2705		3674
2706	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3676	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2709		3678
…		…
2712	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2713	require cf;	3682	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3684
2716	warn "loading config and database again";	3685	warn "loading config and database again";
2717	cf::cfg_load;	3686	cf::reload_config;
2718		3687
2719	warn "loading extensions";	3688	warn "loading extensions";
2720	cf::load_extensions;	3689	cf::load_extensions;
2721		3690
2722	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
…		…
2729	warn "leaving sync_job";	3698	warn "leaving sync_job";
2730		3699
2731	1	3700	1
2732	} or do {	3701	} or do {
2733	warn $@;	3702	warn $@;
2734	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
2735	exit 1;
2736	};	3704	};
2737		3705
2738	warn "reloaded";	3706	warn "reloaded";
2739	};	3707	};
2740		3708
…		…
2742		3710
2743	sub reload_perl() {	3711	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3712	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3713	# coro crashes during coro_state_free->destroy here.
2746		3714
2747	$RELOAD_WATCHER ||= Event->timer (	3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2748	reentrant => 0,
2749	after => 0,
2750	data => WF_AUTOCANCEL,
2751	cb => sub {
2752	do_reload_perl;	3716	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3717	undef $RELOAD_WATCHER;
2754	},
2755	);	3718	};
2756	}	3719	}
2757		3720
2758	register_command "reload" => sub {	3721	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2760		3723
2761	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3728	reload_perl;
		3729	};
2764	}	3730	}
2765	};	3731	};
2766		3732
2767	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2768		3734
…		…
2770		3736
2771	our @WAIT_FOR_TICK;	3737	our @WAIT_FOR_TICK;
2772	our @WAIT_FOR_TICK_BEGIN;	3738	our @WAIT_FOR_TICK_BEGIN;
2773		3739
2774	sub wait_for_tick {	3740	sub wait_for_tick {
2775	return unless $TICK_WATCHER->is_active;
2776	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2777		3742
2778	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2779	push @WAIT_FOR_TICK, $signal;	3744	push @WAIT_FOR_TICK, $signal;
2780	$signal->wait;	3745	$signal->wait;
2781	}	3746	}
2782		3747
2783	sub wait_for_tick_begin {	3748	sub wait_for_tick_begin {
2784	return unless $TICK_WATCHER->is_active;
2785	return if $Coro::current == $Coro::main;	3749	return if tick_inhibit || $Coro::current == $Coro::main;
2786		3750
2787	my $signal = new Coro::Signal;	3751	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3752	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3753	$signal->wait;
2790	}	3754	}
2791		3755
2792	$TICK_WATCHER = Event->timer (	3756	sub tick {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2802	return;	3760	return;
2803	}	3761	}
2804		3762
2805	$NOW = Event::time;
2806
2807	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2808		3764
2809	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;
2811
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3767	Coro::async_pool {
		3768	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3769	write_runtime_sync
2816	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3771	};
		3772	}
2819		3773
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3775	$sig->send;
2831	}	3776	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3777	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3778	$sig->send;
2834	}
2835
2836	_post_tick;
2837	},	3779	}
2838	);	3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
		3790	}
		3791	}
2839		3792
2840	{	3793	{
2841	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3795
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
2851		3797	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3799
2867	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3807
2870	cf::sync_job {	3808	cf::sync_job {
2871	eval {	3809	eval {
2872	BDB::db_env_open	3810	BDB::db_env_open
2873	$DB_ENV,	3811	$DB_ENV,
2874	$BDB_ENV_DIR,	3812	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3815	0666;
2878		3816
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3818	};
2884		3819
2885	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3821	};
2887	}	3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
2888	}	3833	}
2889		3834
2890	{	3835	{
		3836	# configure IO::AIO
		3837
2891	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
2896	reentrant => 0,	3841	}
2897	data => WF_AUTOCANCEL,	3842
2898	fd => IO::AIO::poll_fileno,	3843	my $_log_backtrace;
2899	poll => 'r',	3844
2900	prio => 6,	3845	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3846	my ($msg, @addr) = @_;
2902	);	3847
		3848	$msg =~ s/\n//;
		3849
		3850	# limit the # of concurrent backtraces
		3851	if ($_log_backtrace < 2) {
		3852	++$_log_backtrace;
		3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
		3856	my @bt = fork_call {
		3857	@addr = map { sprintf "%x", $_ } @addr;
		3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3860	or die "addr2line: $!";
		3861
		3862	my @funcs;
		3863	my @res = <$fh>;
		3864	chomp for @res;
		3865	while (@res) {
		3866	my ($func, $line) = splice @res, 0, 2, ();
		3867	push @funcs, "[$func] $line";
		3868	}
		3869
		3870	@funcs
		3871	};
		3872
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] $_\n" for @bt;
		3875	--$_log_backtrace;
		3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
		3880	}
2903	}	3881	}
2904		3882
2905	# load additional modules	3883	# load additional modules
2906	use cf::pod;	3884	use cf::pod;
2907		3885

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