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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
20	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
21	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
22		51
		52	use JSON::XS 2.01 ();
23	use BDB ();	53	use BDB ();
24	use Data::Dumper;	54	use Data::Dumper;
25	use Digest::MD5;	55	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		75
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		77
47	our %COMMAND = ();	78	our %COMMAND = ();
48	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
49		80
50	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
54		86
55	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	88	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	89
		90	our $CONFDIR = confdir;
		91	our $DATADIR = datadir;
		92	our $LIBDIR = "$DATADIR/ext";
		93	our $PODDIR = "$DATADIR/pod";
		94	our $MAPDIR = "$DATADIR/" . mapdir;
		95	our $LOCALDIR = localdir;
		96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		99	our $RANDOMDIR = "$LOCALDIR/random";
		100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
58		105
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	108	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	114	our $DB_ENV;
69		115
70	our %CFG;	116	our %CFG;
71		117
72	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
74		121
75	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		125
81	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		128
		129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
		132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		137
84	binmode STDOUT;	138	binmode STDOUT;
85	binmode STDERR;	139	binmode STDERR;
86		140
87	# read virtual server time, if available	141	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
92	}	146	}
93		147
94	mkdir cf::localdir;	148	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		150
101	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
102		152
103	sub cf::map::normalise;	153	sub cf::map::normalise;
104		154
…		…
115	=item $cf::RUNTIME	165	=item $cf::RUNTIME
116		166
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	167	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	168	every server tick.
119		169
120	=item $cf::LIBDIR	170	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		171	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		172	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		173
122	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	175	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		176	unique-items directory, player file directory, random maps directory and
		177	database environment.
124		178
125	=item $cf::NOW	179	=item $cf::NOW
126		180
127	The time of the last (current) server tick.	181	The time of the last (current) server tick.
128		182
129	=item $cf::TICK	183	=item $cf::TICK
130		184
131	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
132		186
		187	=item $cf::LOADAVG
		188
		189	The current CPU load on the server (alpha-smoothed), as a value between 0
		190	(none) and 1 (overloaded), indicating how much time is spent on processing
		191	objects per tick. Healthy values are < 0.5.
		192
		193	=item $cf::LOAD
		194
		195	The raw value load value from the last tick.
		196
133	=item %cf::CFG	197	=item %cf::CFG
134		198
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	200	from wherever your confdir points to.
137		201
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		203
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	205	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
		213
144	=back	214	=back
145		215
146	=cut	216	=cut
147		217
148	BEGIN {	218	BEGIN {
149	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	220	my $msg = join "", @_;
151	utf8::encode $msg;
152		221
153	$msg .= "\n"	222	$msg .= "\n"
154	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
155		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
156	LOG llevError, $msg;	227	LOG llevError, $msg;
157	};	228	};
158	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
159		245
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		253
167	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	255	# within the Safe compartment.
169	for my $pkg (qw(	256	for my $pkg (qw(
170	cf::global cf::attachable	257	cf::global cf::attachable
171	cf::object cf::object::player	258	cf::object cf::object::player
172	cf::client cf::player	259	cf::client cf::player
173	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
174	cf::map cf::party cf::region	262	cf::party cf::region
175	)) {	263	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	265	}
179		266
180	$Event::DIED = sub {	267	$EV::DIED = sub {
181	warn "error in event callback: @_";	268	warn "error in event callback: @_";
182	};	269	};
		270
		271	#############################################################################
183		272
184	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
185		274
186	=over 4	275	=over 4
187		276
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	296	$d
208	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
209	}	298	}
210		299
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
214		301
215	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
216		303
217	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
218		305
219	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
220		307
		308	=cut
		309
		310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		311
		312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
221	=item cf::lock_wait $string	329	=item cf::lock_wait $string
222		330
223	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
224		332
225	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
226		334
227	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
230	returned.	338	returned.
231		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
232	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
234		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
235	=cut	350	=cut
236		351
237	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
238		354
239	sub lock_wait($) {	355	sub lock_wait($) {
240	my ($key) = @_;	356	my ($key) = @_;
241		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
242	# wait for lock, if any	363	# wait for lock, if any
243	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	367	Coro::schedule;
246	}	368	}
247	}	369	}
248		370
…		…
251		373
252	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
253	lock_wait $key;	375	lock_wait $key;
254		376
255	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
256		379
257	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
260	}	384	}
261	}	385	}
262		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
263	sub freeze_mainloop {	393	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
265		395
266	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
268	};	457	}
269	$TICK_WATCHER->stop;	458	};
270	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
271	}	472	}
272		473
273	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
274		475
275	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		481
281	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
282		483
283	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
284		485
285	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
288		490
289	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
292	fast or be very important.	494	fast or be very important.
…		…
295		497
296	sub sync_job(&) {	498	sub sync_job(&) {
297	my ($job) = @_;	499	my ($job) = @_;
298		500
299	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
300	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
302		506
303	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	508
305	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
306		510
307	my $busy = 1;	511	my $busy = 1;
308	my @res;	512	my @res;
309		513
310	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	516	@res = eval { $job->() };
312	warn $@ if $@;	517	warn $@ if $@;
313	undef $busy;	518	undef $busy;
314	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
315		520
316	while ($busy) {	521	while ($busy) {
317	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
318	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
319		532
320	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
321	} else {	534	} else {
322	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
323		536
…		…
343	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
344		557
345	$coro	558	$coro
346	}	559	}
347		560
348	sub write_runtime {	561	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		562
351	my $runtime = cf::localdir . "/runtime";	563	Executes the given code block with the given arguments in a seperate
		564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
352		567
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	=cut
354	or return;
355		569
356	my $value = $cf::RUNTIME + 90 + 10;	570	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	571	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		572
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	# we seemingly have to make a local copy of the whole thing,
361	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
362		576
363	# always fsync - this file is important	577	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	578	reset_signals;
365	and return;	579	&$cb
		580	}, @args;
366		581
367	close $fh	582	wantarray ? @res : $res[-1]
368	or return;	583	}
369		584
370	aio_rename "$runtime~", $runtime	585	=item $coin = coin_from_name $name
371	and return;
372		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
373	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
374	}	737	}
375		738
376	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
377		740
378	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		753
391	#############################################################################	754	#############################################################################
392		755
393	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
394		757
395	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
398		761
399	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	764	Deliantra).
402		765
403	=over 4	766	=over 4
404		767
405	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
406		769
…		…
450	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
451		814
452	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
454		817
455	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
457		820
458	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
459		822
460	=over 4	823	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
570		933
571	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		938
576	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	940	my $pkg = shift @arg;
578		941
579	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
609	}	972	}
610		973
611	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
612	} else {	975	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	977	}
615		978
616	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
617	}	980	}
618		981
…		…
620	if (ref $_[0]) {	983	if (ref $_[0]) {
621	_object_attach @_;	984	_object_attach @_;
622	} else {	985	} else {
623	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
624	}	987	}
		988	_recalc_want;
625	};	989	};
626		990
627	# all those should be optimised	991	# all those should be optimised
628	sub cf::attachable::detach {	992	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
633	reattach ($obj);	997	reattach ($obj);
634	} else {	998	} else {
635	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
636	}	1000	}
		1001	_recalc_want;
637	};	1002	};
638		1003
639	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
641		1006
…		…
656	";	1021	";
657	die if $@;	1022	die if $@;
658	}	1023	}
659		1024
660	our $override;	1025	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1027
663	sub override {	1028	sub override {
664	$override = 1;	1029	$override = 1;
665	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
666	}	1031	}
667		1032
668	sub do_invoke {	1033	sub do_invoke {
669	my $event = shift;	1034	my $event = shift;
670	my $callbacks = shift;	1035	my $callbacks = shift;
671		1036
672	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
673		1038
674	local $override;	1039	local $override;
675		1040
676	for (@$callbacks) {	1041	for (@$callbacks) {
677	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
686	}	1051	}
687		1052
688	0	1053	0
689	}	1054	}
690		1055
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1057
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1059
695	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
696		1061
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1065
701	=back	1066	=back
702		1067
703	=cut	1068	=cut
704		1069
705	#############################################################################	1070	#############################################################################
706	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
707		1114
708	sub reattach {	1115	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1117	my ($obj) = @_;
711		1118
		1119	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1121
714	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
715		1123
716	@$registry = ();	1124	@$registry = ();
717		1125
…		…
732	cf::attachable->attach (	1140	cf::attachable->attach (
733	prio => -1000000,	1141	prio => -1000000,
734	on_instantiate => sub {	1142	on_instantiate => sub {
735	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
736		1144
737	$data = from_json $data;	1145	$data = decode_json $data;
738		1146
739	for (@$data) {	1147	for (@$data) {
740	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
741		1149
742	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1166	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
760		1168
761	sync_job {	1169	sync_job {
762	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
765		1174
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1179	aio_close $fh;
771		1180
772	if (@$objs) {	1181	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1187	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
780	}	1189	}
781	} else {	1190	} else {
782	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
783	}	1192	}
784		1193
785	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1198	} else {
787	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
788	}	1200	}
789	} else {	1201	} else {
790	aio_unlink $filename;	1202	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
792	}	1204	}
793	}	1205	};
794	}	1206	}
795		1207
796	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
798		1210
…		…
810	or return;	1222	or return;
811		1223
812	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
814	or return;	1226	or return;
		1227
815	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
816	}	1230	}
817		1231
		1232	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
820	return ($data, $av);	1236	($data, $av)
821	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
822		1244
823	#############################################################################	1245	#############################################################################
824	# command handling &c	1246	# command handling &c
825		1247
826	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1262	}
841		1263
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1265
844	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
845		1271
846	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
847	called.	1273	called.
848		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
849	=cut	1286	=cut
850		1287
851	sub register_extcmd {	1288	sub register_extcmd {
852	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
853		1290
854	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
855	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
856		1301
857	cf::player->attach (	1302	cf::player->attach (
858	on_command => sub {	1303	on_command => sub {
859	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
860		1305
…		…
868	cf::override;	1313	cf::override;
869	},	1314	},
870	on_extcmd => sub {	1315	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
872		1317
873	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1319
875	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
881	} else {	1335	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1337	}
884		1338
885	cf::override;	1339	cf::override;
886	},	1340	},
887	);	1341	);
888		1342
		1343	# "readahead" all extensions
889	sub load_extension {	1344	sub cache_extensions {
890	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
891		1346
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
893	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1350	}
917	die $@;
918	}	1351	};
919		1352
920	push @EXTS, $pkg;	1353	$grp
921	}	1354	}
922		1355
923	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
924	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1361	next unless -r $path;
926	eval {	1362
927	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
928	1	1419	}
929	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
930	}	1425	};
931	}	1426	}
932		1427
933	#############################################################################	1428	#############################################################################
934		1429
		1430	=back
		1431
935	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
936		1433
937	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
938		1435
939	=cut	1436	=cut
940		1437
941	package cf::player;	1438	package cf::player;
942		1439
…		…
944		1441
945	=head3 cf::player	1442	=head3 cf::player
946		1443
947	=over 4	1444	=over 4
948		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
		1459
949	=item cf::player::find $login	1460	=item cf::player::find $login
950		1461
951	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
952		1463
953	=cut	1464	=cut
954		1465
955	sub playerdir($) {	1466	sub playerdir($) {
956	cf::localdir	1467	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1469	}
962		1470
963	sub path($) {	1471	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1482
975	sub exists($) {	1483	sub exists($) {
976	my ($login) = @_;	1484	my ($login) = @_;
977		1485
978	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
980	}	1488	}
981		1489
982	sub find($) {	1490	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1492	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
995		1503
996	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
997	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
999	}	1513	}
1000	}	1514	}
1001	}	1515	}
1002		1516
…		…
1011	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1012		1526
1013	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1015		1529
		1530	cf::get_slot 0.01;
		1531
1016	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1017	Coro::cede;	1533	cf::cede_to_tick;
1018	}	1534	}
1019		1535
1020	sub new($) {	1536	sub new($) {
1021	my ($login) = @_;	1537	my ($login) = @_;
1022		1538
…		…
1028	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1029		1545
1030	$self	1546	$self
1031	}	1547	}
1032		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1033	=item $pl->quit_character	1559	=item $pl->quit_character
1034		1560
1035	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1037		1563
…		…
1041	my ($pl) = @_;	1567	my ($pl) = @_;
1042		1568
1043	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1044		1570
1045	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1573
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1052		1580
1053	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1085		1613
1086	=cut	1614	=cut
1087		1615
1088	sub list_logins {	1616	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1618	or return [];
1091		1619
1092	my @logins;	1620	my @logins;
1093		1621
1094	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1098		1632
1099	utf8::decode $login;	1633	utf8::decode $login;
1100	push @logins, $login;	1634	push @logins, $login;
1101	}	1635	}
1102		1636
…		…
1129	}	1663	}
1130		1664
1131	\@paths	1665	\@paths
1132	}	1666	}
1133		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1134	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1135		1673
1136	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1137		1675
1138	=cut	1676	=cut
1139		1677
1140	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1142		1680
1143	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1682	}
1147		1683
1148	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1149		1685
1150	Sends an ext event to the client.	1686	Sends an ext event to the client.
1151		1687
1152	=cut	1688	=cut
1153		1689
1154	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1156		1692
1157	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1158	}	1694	}
1159		1695
1160	=head3 cf::region	1696	=head3 cf::region
1161		1697
1162	=over 4	1698	=over 4
…		…
1165		1701
1166	package cf::region;	1702	package cf::region;
1167		1703
1168	=item cf::region::find_by_path $path	1704	=item cf::region::find_by_path $path
1169		1705
1170	Tries to decuce the probable region for a map knowing only its path.	1706	Tries to decuce the likely region for a map knowing only its path.
1171		1707
1172	=cut	1708	=cut
1173		1709
1174	sub find_by_path($) {	1710	sub find_by_path($) {
1175	my ($path) = @_;	1711	my ($path) = @_;
1176		1712
1177	my ($match, $specificity);	1713	my ($match, $specificity);
1178		1714
1179	for my $region (list) {	1715	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1183	}	1719	}
1184	}	1720	}
1185		1721
…		…
1206	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1208		1744
1209	sub generate_random_map {	1745	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1211	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1751	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1250		1789
1251	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1252	local $self->{path};	1791	local $self->{path};
1253	local $self->{load_path};	1792	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1793
1257	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1258	}	1795	}
1259		1796
1260	sub normalise {	1797	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1308	return $self;	1845	return $self;
1309	}	1846	}
1310	}	1847	}
1311		1848
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1850	()
1314	}	1851	}
1315		1852
1316	sub init {	1853	sub init {
1317	my ($self) = @_;	1854	my ($self) = @_;
…		…
1332		1869
1333	# the original (read-only) location	1870	# the original (read-only) location
1334	sub load_path {	1871	sub load_path {
1335	my ($self) = @_;	1872	my ($self) = @_;
1336		1873
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1874	"$MAPDIR/$self->{path}.map"
1338	}	1875	}
1339		1876
1340	# the temporary/swap location	1877	# the temporary/swap location
1341	sub save_path {	1878	sub save_path {
1342	my ($self) = @_;	1879	my ($self) = @_;
1343		1880
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1882	"$TMPDIR/$path.map"
1346	}	1883	}
1347		1884
1348	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1349	sub uniq_path {	1886	sub uniq_path {
1350	my ($self) = @_;	1887	my ($self) = @_;
1351		1888
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1890	"$UNIQUEDIR/$path"
1354	}	1891	}
1355		1892
1356	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1357	# all maps in C++...	1894	# all maps in C++...
1358	sub change_all_map_light {	1895	sub change_all_map_light {
…		…
1360		1897
1361	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1363	}	1900	}
1364		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1365	sub unlink_save {	1910	sub unlink_save {
1366	my ($self) = @_;	1911	my ($self) = @_;
1367		1912
1368	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1917
1373	sub load_header_from($) {	1918	sub load_header_from($) {
1374	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1375		1920
1376	utf8::encode $path;	1921	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1382		1930
1383	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1384		1932
1385	1	1933	1
1386	}	1934	}
…		…
1425	$self->load_header_orig	1973	$self->load_header_orig
1426	or return;	1974	or return;
1427	$self->prepare_orig;	1975	$self->prepare_orig;
1428	}	1976	}
1429		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
1430	$self->default_region (cf::region::find_by_path $self->{path})	1981	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1982	unless $self->default_region;
1432		1983
1433	1	1984	1
1434	}	1985	}
…		…
1437	sub find {	1988	sub find {
1438	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1439		1990
1440	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1441		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1443		1995
1444	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1446	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1447	or return;	2001	or return;
1448		2002
1449	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1450		2004
1451	$map->load_header	2005	$map->load_header
1452	or return;	2006	or return;
1453		2007
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1457	$map->reset;	2013	$map->reset;
1458	undef $guard;
1459	return find $path;	2014	return find $path;
1460	}	2015	}
1461		2016
1462	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1463	}	2018	}
…		…
1470	my ($self) = @_;	2025	my ($self) = @_;
1471		2026
1472	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1473		2028
1474	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1476		2033
		2034	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2036
1479	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1480		2038
1481	$self->alloc;	2039	$self->alloc;
1482		2040
1483	$self->pre_load;	2041	$self->pre_load;
1484	Coro::cede;	2042	cf::cede_to_tick;
1485		2043
1486	$self->_load_objects ($self->{load_path}, 1)	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1487	or return;	2047	or return;
1488		2048
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1490	if delete $self->{load_original};	2050	if delete $self->{load_original};
1491		2051
1492	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2053	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2056	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1497	}	2060	}
1498	}	2061	}
1499		2062
1500	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1501	# now do the right thing for maps	2066	# now do the right thing for maps
1502	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2069	unless $self->difficulty;
1513	Coro::cede;	2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
		2077	$self->set_darkness_map;
		2078	cf::cede_to_tick;
1514	$self->activate;	2079	$self->activate;
1515	Coro::cede;	2080	}
		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
		2085	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2086	}
1517		2087
1518	$self->post_load;	2088	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2089	}
1523		2090
1524	sub customise_for {	2091	sub customise_for {
1525	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1526		2093
1527	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2095	if $self->per_player;
1529		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1530	$self	2100	$self
1531	}	2101	}
1532		2102
1533	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2104	sub load_neighbours {
1535	my ($map) = @_;	2105	my ($map) = @_;
1536		2106
1537	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1538		2108
1539	for (0 .. 3) {	2109	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1541	or next;	2111	or next;
1542	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1543	or next;	2113	or next;
1544	$neigh->load;	2114	$neigh->load;
1545		2115
		2116	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2119	}
1549		2120
1550	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1552	or next;	2124	or next;
1553	$neigh->load;	2125	$neigh->load;
1554	}	2126	}
1555	}	2127	}
1556		2128
…		…
1561	}	2133	}
1562		2134
1563	sub do_load_sync {	2135	sub do_load_sync {
1564	my ($map) = @_;	2136	my ($map) = @_;
1565		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1566	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1567	}	2142	}
1568		2143
1569	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1571		2146
1572	sub find_async {	2147	sub find_async {
1573	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1574		2149
1575	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1576		2151
1577	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2154	}
1580		2155
1581	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1582	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1583	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2163	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2164	$map->load if $v;
		2165	}
1588		2166
1589	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1590	}	2168	}
1591	}	2169	}
1592	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1593	};	2171	};
1594	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2175	}
1598		2176
1599	sub save {	2177	sub save {
1600	my ($self) = @_;	2178	my ($self) = @_;
1601		2179
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2181
1604	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1605		2183
1606	return unless $self->dirty;	2184	return unless $self->dirty;
1607		2185
…		…
1613	return if $self->{deny_save};	2191	return if $self->{deny_save};
1614		2192
1615	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1616		2194
1617	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1619	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1620		2201
1621	if ($uniq) {	2202	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2205	} else {
…		…
1630	my ($self) = @_;	2211	my ($self) = @_;
1631		2212
1632	# save first because save cedes	2213	# save first because save cedes
1633	$self->save;	2214	$self->save;
1634		2215
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2217
1637	return if $self->players;	2218	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2220	return if $self->{deny_save};
1640		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2226	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2227	}
1644		2228
1645	sub reset_at {	2229	sub reset_at {
1646	my ($self) = @_;	2230	my ($self) = @_;
1647		2231
1648	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1651		2234
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2237
…		…
1665	my ($self) = @_;	2248	my ($self) = @_;
1666		2249
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2251
1669	return if $self->players;	2252	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2253
1672	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1673		2255
1674	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1675		2257
1676	# need to save uniques path	2258	# need to save uniques path
1677	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2263	if $uniq;
1682	}	2264	}
1683		2265
1684	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1685		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2270	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2271
1690	$self->unlink_save;	2272	$self->unlink_save;
1691	$self->destroy;	2273	$self->destroy;
1692	}	2274	}
1693		2275
1694	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1695		2277
1696	sub nuke {	2278	sub nuke {
1697	my ($self) = @_;	2279	my ($self) = @_;
1698		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1699	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1700		2285
1701	$self->unlink_save;	2286	$self->unlink_save;
1702		2287
1703	bless $self, "cf::map";	2288	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2293
1709	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1710		2296
1711	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1712	}	2334	}
1713		2335
1714	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1715		2337
1716	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2339	instantiated unique items. May block.
1718		2340
1719	=cut	2341	=cut
1720		2342
1721	sub unique_maps() {	2343	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2344	[
1723	or return;	2345	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2346	utf8::decode $_;
1729	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2349	? ()
1732	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2352	]
1734
1735	\@paths
1736	}	2353	}
1737
1738	package cf;
1739		2354
1740	=back	2355	=back
1741		2356
1742	=head3 cf::object	2357	=head3 cf::object
1743		2358
…		…
1747		2362
1748	=over 4	2363	=over 4
1749		2364
1750	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1751		2366
1752	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1753		2369
1754	=cut	2370	=cut
1755		2371
1756	sub inv_recursive_;	2372	sub inv_recursive_;
1757	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1760		2376
1761	sub inv_recursive {	2377	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1763	}	2379	}
1764		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1765	package cf;	2409	package cf;
1766		2410
1767	=back	2411	=back
1768		2412
1769	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1778		2422
1779	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1780		2438
1781	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2440	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1786		2444
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2446
1789	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1791	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1794	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1795	}	2472	}
1796		2473
1797	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1798		2475
1799	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1812		2489
1813	=item $player_object->enter_link	2490	=item $player_object->enter_link
1814		2491
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2493
1817	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1819		2498
1820	Will never block.	2499	Will never block.
1821		2500
1822	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1823		2502
…		…
1846	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1847		2526
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2528
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1852		2531
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2533	}
1855		2534
1856	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1858		2539
1859	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1860		2541
1861	unless ($map) {	2542	unless ($map) {
1862	# restore original map position	2543	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1879		2560
1880	$map->load;	2561	$map->load;
1881	$map->load_diag;	2562	$map->load_neighbours;
1882		2563
1883	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2566	$self->activate_recursive;
1885		2567
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1888	}	2570	}
1889		2571
1890	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2573
1894	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1898	};	2578	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2579
1904	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2582
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1925		2586
1926	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
		2589
		2590	# do generation counting so two concurrent goto's will be executed in-order
		2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2592
1929	$self->enter_link;	2593	$self->enter_link;
1930		2594
1931	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
1932	my $map = eval {	2617	my $map = eval {
1933	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
		2622	$map = $check->($map) if $check && $map;
		2623	} else {
		2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626
1935	$map	2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2633	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1940	})->prio (1);	2641	})->prio (1);
1941	}	2642	}
1942		2643
1943	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1944		2645
…		…
1964	}	2665	}
1965		2666
1966	sub prepare_random_map {	2667	sub prepare_random_map {
1967	my ($exit) = @_;	2668	my ($exit) = @_;
1968		2669
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2672	# that depends on the exit object
1974		2673
1975	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2676	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1982	}	2683	}
1983		2684
1984	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1985		2686
1986	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
1989		2690
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2693	undef $fh;
1993	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
1994		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1997	}	2702	}
1998	}	2703	}
1999		2704
2000	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2002		2707
2003	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2004		2709
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2710	$self->enter_link;
2017		2711
2018	(async {	2712	(async {
2019	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2020	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2021	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2022		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2023	1;	2736	1
2024	}) {	2737	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2742
2030	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2049		2762
2050	utf8::encode $text;	2763	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2765	}
2053		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
2054	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2055		2919
2056	Sends an exti event to the client.	2920	Sends an ext event to the client.
2057		2921
2058	=cut	2922	=cut
2059		2923
2060	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2062		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2065	}	2951	}
2066		2952
2067	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2068		2954
2069	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2958
2073	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2960	become reliable at some point in the future.
2075		2961
2076	=cut	2962	=cut
2077		2963
2078	sub cf::client::query {	2964	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2973	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2975
2090	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2092	}	2980	}
2093		2981
2094	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2095	on_reply => sub {	2988	on_reply => sub {
2096	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2097		2990
2098	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2099	# get handled first	2992	# get handled first
…		…
2111	} else {	3004	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3006	}
2114	}	3007	}
2115	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2116	);	3035	);
2117		3036
2118	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2119		3038
2120	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2163		3082
2164	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2165		3084
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2167		3090
2168	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2169		3092
2170	=pod	3093	=pod
2171		3094
2172	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2173		3096
2174	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2175	cf::object::player player	3101	cf::object::player
2176	cf::player peaceful	3102	player
2177	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2178		3109
2179	=cut	3110	=cut
2180		3111
2181	for (	3112	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2186	) {	3119	) {
2187	no strict 'refs';	3120	no strict 'refs';
…		…
2258	=back	3191	=back
2259		3192
2260	=cut	3193	=cut
2261		3194
2262	#############################################################################	3195	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3196	# the server's init and main functions
2336		3197
2337	sub load_facedata {	3198	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3206
2340	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2341		3208
2342	my $facedata;	3209	my $facedata;
2343	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2347		3214
2348	$facedata->{version} == 2	3215	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2351	{	3225	{
2352	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2353		3227
2354	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3235
		3236	cf::cede_to_tick;
2360	}	3237	}
2361		3238
2362	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2364	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2365	or next;	3243	or next;
		3244
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3248	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3250	}
2371	Coro::cede;	3251
		3252	cf::cede_to_tick;
2372	}	3253	}
2373	}	3254	}
2374		3255
2375	{	3256	{
2376	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2377		3258
2378	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3261	cf::cede_to_tick;
2381	}	3262	}
2382		3263
2383	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2384	}	3265	}
2385		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2386	1	3302	1
2387	}	3303	}
2388		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
2389	sub load_archetypes {	3362	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3363	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3364	or die "unable to load archetypes\n";
2392	}	3365	}
2393		3366
2394	sub load_treasures {	3367	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
2396	}	3370	}
2397		3371
2398	sub reload_resources {	3372	sub reload_resources {
2399	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2400		3374
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3375	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3376	reload_archetypes;
2406	or die "unable to load archetypes\n";	3377	reload_regions;
2407	load_treasures	3378	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3379
2410	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2411	}	3381	}
2412		3382
2413	sub init {	3383	sub reload_config {
2414	reload_resources;
2415	}
2416
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3385	or return;
2420		3386
2421	local $/;	3387	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2423		3389
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3391
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2433	};	3399	};
2434	warn $@ if $@;	3400	warn $@ if $@;
2435	}	3401	}
2436	}	3402	}
2437		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2438	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2439	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3442	(async {
2443	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2445	};	3446	};
2446		3447
2447	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2448	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2449	load_extensions;	3466	load_extensions;
2450		3467
2451	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2452	Event::loop;	3476	EV::loop;
2453	}	3477	}
2454		3478
2455	#############################################################################	3479	#############################################################################
2456	# initialisation and cleanup	3480	# initialisation and cleanup
2457		3481
2458	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2459	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2468	},
2469	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2470	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2471	}	3576	}
2472		3577
2473	sub emergency_save() {	3578	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2475		3580
2476	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2477		3582
2478	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2479	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3597	$pl->save;
2487	}	3598	}
2488	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2489		3600
2490	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3604	$map->valid or next;
2494	$map->save;	3605	$map->save;
2495	}	3606	}
2496	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2497		3608
2498	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2501	};	3616	};
2502		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2503	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2504	}	3624	}
2505		3625
2506	sub post_cleanup {	3626	sub post_cleanup {
2507	my ($make_core) = @_;	3627	my ($make_core) = @_;
2508		3628
2509	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3630	if $make_core;
2511	}
2512		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
		3660	}
		3661
2513	sub reload() {	3662	sub do_reload_perl() {
2514	# can/must only be called in main	3663	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2517	return;	3666	return;
2518	}	3667	}
2519		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2520	warn "reloading...";	3674	warn "reloading...";
2521		3675
2522	warn "entering sync_job";	3676	warn "entering sync_job";
2523		3677
2524	cf::sync_job {	3678	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3680	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2528		3682
2529	warn "syncing database to disk";	3683	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3685
2532	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2533		3687
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3691	}
2570		3692
2571	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2573	}	3695	%EXT_CORO = ();
2574		3696
2575	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3706	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3707
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2586	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2587	}	3717	}
2588		3718
2589	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2590	}	3734	}
2591		3735
2592	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3739
2596	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2598		3743
2599	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3745	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2602		3747
2603	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2604		3749
2605	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2606	require cf;	3751	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3753
2609	warn "loading config and database again";	3754	warn "loading config and database again";
2610	cf::cfg_load;	3755	cf::reload_config;
2611		3756
2612	warn "loading extensions";	3757	warn "loading extensions";
2613	cf::load_extensions;	3758	cf::load_extensions;
2614		3759
		3760	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2621		3768
2622	warn "loading reloadable resources";	3769	warn "running post_init jobs";
2623	reload_resources;	3770	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3771
2625	warn "leaving sync_job";	3772	warn "leaving sync_job";
2626		3773
2627	1	3774	1
2628	} or do {	3775	} or do {
2629	warn $@;	3776	warn $@;
2630	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3778	};
		3779
		3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
		3786	};
		3787
		3788	our $RELOAD_WATCHER; # used only during reload
		3789
		3790	sub reload_perl() {
		3791	# doing reload synchronously and two reloads happen back-to-back,
		3792	# coro crashes during coro_state_free->destroy here.
		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
		3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
		3799	undef $RELOAD_WATCHER;
		3800	};
2632	};	3801	};
2633		3802	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3803
2639	register_command "reload" => sub {	3804	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2641		3806
2642	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
2644		3809	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3810	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3811	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3812	};
2657	}	3813	}
2658	};	3814	};
2659		3815
2660	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2661		3817
…		…
2663		3819
2664	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
2666		3822
2667	sub wait_for_tick {	3823	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3825
2671	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3828	$signal->wait;
2674	}	3829	}
2675		3830
2676	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3833
2680	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3836	$signal->wait;
2683	}	3837	}
2684		3838
2685	$TICK_WATCHER = Event->timer (	3839	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2695	return;	3843	return;
2696	}	3844	}
2697		3845
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2701		3847
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3850	Coro::async_pool {
		3851	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3852	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3854	};
		3855	}
2712		3856
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3858	$sig->send;
2724	}	3859	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3861	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3862	}
2731	);	3863
		3864	$LOAD = ($NOW - $TICK_START) / $TICK;
		3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3866
		3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
2732		3875
2733	{	3876	{
2734	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3878
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2744		3880	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3882
2760	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3890
2763	cf::sync_job {	3891	cf::sync_job {
2764	eval {	3892	eval {
2765	BDB::db_env_open	3893	BDB::db_env_open
2766	$DB_ENV,	3894	$DB_ENV,
2767	$BDB_ENV_DIR,	3895	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3898	0666;
2771		3899
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3901	};
2777		3902
2778	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3904	};
2780	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
2781	}	3916	}
2782		3917
2783	{	3918	{
		3919	# configure IO::AIO
		3920
2784	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3924	}
		3925
		3926	my $_log_backtrace;
		3927
		3928	sub _log_backtrace {
		3929	my ($msg, @addr) = @_;
		3930
		3931	$msg =~ s/\n//;
		3932
		3933	# limit the # of concurrent backtraces
		3934	if ($_log_backtrace < 2) {
		3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
		3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
		3940	my @bt = fork_call {
		3941	@addr = map { sprintf "%x", $_ } @addr;
		3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3944	or die "addr2line: $!";
		3945
		3946	my @funcs;
		3947	my @res = <$fh>;
		3948	chomp for @res;
		3949	while (@res) {
		3950	my ($func, $line) = splice @res, 0, 2, ();
		3951	push @funcs, "[$func] $line";
		3952	}
		3953
		3954	@funcs
		3955	};
		3956
		3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3959	LOG llevInfo, "[ABT] $_\n" for @bt;
		3960	--$_log_backtrace;
		3961	};
		3962	} else {
		3963	LOG llevInfo, "[ABT] $msg\n";
		3964	LOG llevInfo, "[ABT] [suppressed]\n";
		3965	}
		3966	}
		3967
		3968	# load additional modules
		3969	use cf::pod;
2797		3970
2798	END { cf::emergency_save }	3971	END { cf::emergency_save }
2799		3972
2800	1	3973	1
2801		3974

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