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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.458 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 3.52 ();	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;
		49	use Coro::Storable;
		50	use Coro::Util ();
21		51
		52	use JSON::XS 2.01 ();
22	use BDB ();	53	use BDB ();
23	use Data::Dumper;	54	use Data::Dumper;
24	use Digest::MD5;	55	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		75
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		77
45	our %COMMAND = ();	78	our %COMMAND = ();
46	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
47		80
48	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
52		86
53	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	88	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		89
57	our $TICK = MAX_TIME * 1e-6;	90	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	91	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	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;
		105
		106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	108	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	114	our $DB_ENV;
67		115
68	our %CFG;	116	our %CFG;
69		117
70	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
72		121
73	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		125
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		137
85	binmode STDOUT;	138	binmode STDOUT;
86	binmode STDERR;	139	binmode STDERR;
87		140
88	# read virtual server time, if available	141	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
93	}	146	}
94		147
95	mkdir cf::localdir;	148	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		150
102	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
103		152
104	sub cf::map::normalise;	153	sub cf::map::normalise;
105		154
…		…
116	=item $cf::RUNTIME	165	=item $cf::RUNTIME
117		166
118	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
119	every server tick.	168	every server tick.
120		169
121	=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
122		173
123	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		178
126	=item $cf::NOW	179	=item $cf::NOW
127		180
128	The time of the last (current) server tick.	181	The time of the last (current) server tick.
129		182
130	=item $cf::TICK	183	=item $cf::TICK
131		184
132	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	197	=item %cf::CFG
135		198
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	200	from wherever your confdir points to.
138		201
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		203
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	205	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	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.
145		213
146	=back	214	=back
147		215
148	=cut	216	=cut
149		217
150	BEGIN {	218	BEGIN {
151	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	220	my $msg = join "", @_;
153	utf8::encode $msg;
154		221
155	$msg .= "\n"	222	$msg .= "\n"
156	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
157		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
158	LOG llevError, $msg;	227	LOG llevError, $msg;
159	};	228	};
160	}	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#?
161		245
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		253
169	# 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
170	# within the Safe compartment.	255	# within the Safe compartment.
171	for my $pkg (qw(	256	for my $pkg (qw(
172	cf::global cf::attachable	257	cf::global cf::attachable
173	cf::object cf::object::player	258	cf::object cf::object::player
174	cf::client cf::player	259	cf::client cf::player
175	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
176	cf::map cf::party cf::region	262	cf::party cf::region
177	)) {	263	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	265	}
181		266
182	$Event::DIED = sub {	267	$EV::DIED = sub {
183	warn "error in event callback: @_";	268	warn "error in event callback: @_";
184	};	269	};
		270
		271	#############################################################################
185		272
186	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
187		274
188	=over 4	275	=over 4
189		276
…		…
208	$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;
209	$d	296	$d
210	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
211	}	298	}
212		299
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
216		301
217	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
218		303
219	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
220		305
221	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	329	=item cf::lock_wait $string
224		330
225	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
226		332
227	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
228		334
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
232	returned.	338	returned.
233		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
234	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
235	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
236		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
237	=cut	350	=cut
238		351
239	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
240		354
241	sub lock_wait($) {	355	sub lock_wait($) {
242	my ($key) = @_;	356	my ($key) = @_;
243		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
244	# wait for lock, if any	363	# wait for lock, if any
245	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
246	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	367	Coro::schedule;
248	}	368	}
249	}	369	}
250		370
…		…
253		373
254	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
255	lock_wait $key;	375	lock_wait $key;
256		376
257	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
258		379
259	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
262	}	384	}
263	}	385	}
264		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
265	sub freeze_mainloop {	393	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
267		395
268	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
270	};	457	}
271	$TICK_WATCHER->stop;	458	};
272	$guard	459
		460	sub get_slot($;$$) {
		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	$sig->wait;
273	}	472	}
274		473
275	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
276		475
277	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		481
283	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
284		483
285	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
286		485
287	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
290		490
291	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
294	fast or be very important.	494	fast or be very important.
…		…
297		497
298	sub sync_job(&) {	498	sub sync_job(&) {
299	my ($job) = @_;	499	my ($job) = @_;
300		500
301	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
302	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
304		506
305	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	508
307	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
308		510
309	my $busy = 1;	511	my $busy = 1;
310	my @res;	512	my @res;
311		513
312	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	516	@res = eval { $job->() };
314	warn $@ if $@;	517	warn $@ if $@;
315	undef $busy;	518	undef $busy;
316	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
317		520
318	while ($busy) {	521	while ($busy) {
319	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
320	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
321		532
322	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
323	} else {	534	} else {
324	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
325		536
…		…
345	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
346		557
347	$coro	558	$coro
348	}	559	}
349		560
350	sub write_runtime {	561	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		562
353	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.
354		567
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	=cut
356	or return;
357		569
358	my $value = $cf::RUNTIME + 90 + 10;	570	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	571	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		572
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	# we seemingly have to make a local copy of the whole thing,
363	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
364		576
365	# always fsync - this file is important	577	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	578	reset_signals;
367	and return;	579	&$cb
		580	}, @args;
368		581
369	close $fh	582	wantarray ? @res : $res[-1]
370	or return;	583	}
371		584
372	aio_rename "$runtime~", $runtime	585	=item $coin = coin_from_name $name
373	and return;
374		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		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($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
375	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		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"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	748	}
377		749
378	=back	750	=back
379		751
380	=cut	752	=cut
381		753
382	#############################################################################	754	#############################################################################
383		755
384	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
385		757
386	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
387	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")
388	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
389		761
390	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>
391	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
392	crossfire+).	764	Deliantra).
393		765
394	=over 4	766	=over 4
395		767
396	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
397		769
…		…
441	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
442		814
443	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
445		817
446	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		820
449	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
450		822
451	=over 4	823	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
561		933
562	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		938
567	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	940	my $pkg = shift @arg;
569		941
570	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
600	}	972	}
601		973
602	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
603	} else {	975	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	977	}
606		978
607	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
608	}	980	}
609		981
…		…
611	if (ref $_[0]) {	983	if (ref $_[0]) {
612	_object_attach @_;	984	_object_attach @_;
613	} else {	985	} else {
614	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
615	}	987	}
		988	_recalc_want;
616	};	989	};
617		990
618	# all those should be optimised	991	# all those should be optimised
619	sub cf::attachable::detach {	992	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
624	reattach ($obj);	997	reattach ($obj);
625	} else {	998	} else {
626	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
627	}	1000	}
		1001	_recalc_want;
628	};	1002	};
629		1003
630	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
632		1006
…		…
647	";	1021	";
648	die if $@;	1022	die if $@;
649	}	1023	}
650		1024
651	our $override;	1025	our $override;
652	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?
653		1027
654	sub override {	1028	sub override {
655	$override = 1;	1029	$override = 1;
656	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
657	}	1031	}
658		1032
659	sub do_invoke {	1033	sub do_invoke {
660	my $event = shift;	1034	my $event = shift;
661	my $callbacks = shift;	1035	my $callbacks = shift;
662		1036
663	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
664		1038
665	local $override;	1039	local $override;
666		1040
667	for (@$callbacks) {	1041	for (@$callbacks) {
668	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
677	}	1051	}
678		1052
679	0	1053	0
680	}	1054	}
681		1055
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1057
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1059
686	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
687		1061
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1065
692	=back	1066	=back
693		1067
694	=cut	1068	=cut
695		1069
696	#############################################################################	1070	#############################################################################
697	# 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, $ob2
		1113	}
698		1114
699	sub reattach {	1115	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1117	my ($obj) = @_;
702		1118
		1119	# no longer needed after getting rid of delete_package?
703	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
704		1121
705	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
706		1123
707	@$registry = ();	1124	@$registry = ();
708		1125
…		…
723	cf::attachable->attach (	1140	cf::attachable->attach (
724	prio => -1000000,	1141	prio => -1000000,
725	on_instantiate => sub {	1142	on_instantiate => sub {
726	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
727		1144
728	$data = from_json $data;	1145	$data = decode_json $data;
729		1146
730	for (@$data) {	1147	for (@$data) {
731	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
732		1149
733	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1166	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
751		1168
752	sync_job {	1169	sync_job {
753	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
756		1174
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1179	aio_close $fh;
762		1180
763	if (@$objs) {	1181	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1187	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
771	}	1189	}
772	} else {	1190	} else {
773	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
774	}	1192	}
775		1193
776	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1198	} else {
778	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
779	}	1200	}
780	} else {	1201	} else {
781	aio_unlink $filename;	1202	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
783	}	1204	}
784	}	1205	};
785	}	1206	}
786		1207
787	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
789		1210
…		…
801	or return;	1222	or return;
802		1223
803	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
805	or return;	1226	or return;
		1227
806	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
807	}	1230	}
808		1231
		1232	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
811	return ($data, $av);	1236	($data, $av)
812	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
813		1244
814	#############################################################################	1245	#############################################################################
815	# command handling &c	1246	# command handling &c
816		1247
817	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1262	}
832		1263
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1265
835	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.
836		1271
837	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
838	called.	1273	called.
839		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
840	=cut	1286	=cut
841		1287
842	sub register_extcmd {	1288	sub register_extcmd {
843	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
844		1290
845	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
846	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
847		1301
848	cf::player->attach (	1302	cf::player->attach (
849	on_command => sub {	1303	on_command => sub {
850	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
851		1305
…		…
859	cf::override;	1313	cf::override;
860	},	1314	},
861	on_extcmd => sub {	1315	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
863		1317
864	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1319
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
872	} else {	1335	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1337	}
875		1338
876	cf::override;	1339	cf::override;
877	},	1340	},
878	);	1341	);
879		1342
		1343	# "readahead" all extensions
880	sub load_extension {	1344	sub cache_extensions {
881	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
882		1346
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
884	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1350	}
908	die $@;
909	}	1351	};
910		1352
911	push @EXTS, $pkg;	1353	$grp
912	}	1354	}
913		1355
914	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
915	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1361	next unless -r $path;
917	eval {	1362
918	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	$progress = 1;
919	1	1419	}
920	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
921	}	1425	};
922	}	1426	}
923		1427
924	#############################################################################	1428	#############################################################################
925		1429
		1430	=back
		1431
926	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
927		1433
928	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
929		1435
930	=cut	1436	=cut
931		1437
932	package cf::player;	1438	package cf::player;
933		1439
…		…
935		1441
936	=head3 cf::player	1442	=head3 cf::player
937		1443
938	=over 4	1444	=over 4
939		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
940	=item cf::player::find $login	1460	=item cf::player::find $login
941		1461
942	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
943		1463
944	=cut	1464	=cut
945		1465
946	sub playerdir($) {	1466	sub playerdir($) {
947	cf::localdir	1467	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1469	}
953		1470
954	sub path($) {	1471	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1473
957	(playerdir $login) . "/$login.pl"	1474	(playerdir $login) . "/playerdata"
958	}	1475	}
959		1476
960	sub find_active($) {	1477	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1478	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1479	and $cf::PLAYER{$_[0]}->active
…		…
965		1482
966	sub exists($) {	1483	sub exists($) {
967	my ($login) = @_;	1484	my ($login) = @_;
968		1485
969	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
971	}	1488	}
972		1489
973	sub find($) {	1490	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1492	my $login = $_[0];
976		1493
977	my $guard = cf::lock_acquire "user_find:$login";	1494	my $guard = cf::lock_acquire "user_find:$login";
978		1495
979	$cf::PLAYER{$_[0]} || do {	1496	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1497	# rename old playerfiles to new ones
		1498	#TODO: remove when no longer required
		1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1502	aio_unlink +(playerdir $login) . "/$login.pl";
		1503
		1504	my $f = new_from_file cf::object::thawer path $login
981	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;
982	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
983	}	1513	}
984	}	1514	}
985	}	1515	}
986		1516
…		…
995	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
996		1526
997	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
999		1529
		1530	cf::get_slot 0.01;
		1531
1000	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1001	Coro::cede;	1533	cf::cede_to_tick;
1002	}	1534	}
1003		1535
1004	sub new($) {	1536	sub new($) {
1005	my ($login) = @_;	1537	my ($login) = @_;
1006		1538
…		…
1012	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1013		1545
1014	$self	1546	$self
1015	}	1547	}
1016		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
1017	=item $pl->quit_character	1559	=item $pl->quit_character
1018		1560
1019	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1021		1563
…		…
1025	my ($pl) = @_;	1567	my ($pl) = @_;
1026		1568
1027	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1028		1570
1029	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1030	$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
1031		1573
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1036		1580
1037	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1069		1613
1070	=cut	1614	=cut
1071		1615
1072	sub list_logins {	1616	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1618	or return [];
1075		1619
1076	my @logins;	1620	my @logins;
1077		1621
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1082		1632
1083	utf8::decode $login;	1633	utf8::decode $login;
1084	push @logins, $login;	1634	push @logins, $login;
1085	}	1635	}
1086		1636
…		…
1113	}	1663	}
1114		1664
1115	\@paths	1665	\@paths
1116	}	1666	}
1117		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1119		1673
1120	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1121		1675
1122	=cut	1676	=cut
1123		1677
1124	sub ext_reply($$$%) {	1678	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1126		1680
1127	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1682	}
1131		1683
1132	package cf;	1684	=item $player->ext_msg ($type, @msg)
		1685
		1686	Sends an ext event to the client.
		1687
		1688	=cut
		1689
		1690	sub ext_msg($$@) {
		1691	my ($self, $type, @msg) = @_;
		1692
		1693	$self->ns->ext_msg ($type, @msg);
		1694	}
		1695
		1696	=head3 cf::region
		1697
		1698	=over 4
		1699
		1700	=cut
		1701
		1702	package cf::region;
		1703
		1704	=item cf::region::find_by_path $path
		1705
		1706	Tries to decuce the likely region for a map knowing only its path.
		1707
		1708	=cut
		1709
		1710	sub find_by_path($) {
		1711	my ($path) = @_;
		1712
		1713	my ($match, $specificity);
		1714
		1715	for my $region (list) {
		1716	if ($region->{match} && $path =~ $region->{match}) {
		1717	($match, $specificity) = ($region, $region->specificity)
		1718	if $region->specificity > $specificity;
		1719	}
		1720	}
		1721
		1722	$match
		1723	}
1133		1724
1134	=back	1725	=back
1135
1136		1726
1137	=head3 cf::map	1727	=head3 cf::map
1138		1728
1139	=over 4	1729	=over 4
1140		1730
…		…
1152	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1154		1744
1155	sub generate_random_map {	1745	sub generate_random_map {
1156	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
1157	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1751	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1196		1789
1197	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1198	local $self->{path};	1791	local $self->{path};
1199	local $self->{load_path};	1792	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1793
1203	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1204	}	1795	}
1205		1796
1206	sub normalise {	1797	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1254	return $self;	1845	return $self;
1255	}	1846	}
1256	}	1847	}
1257		1848
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1850	()
1260	}	1851	}
1261		1852
1262	sub init {	1853	sub init {
1263	my ($self) = @_;	1854	my ($self) = @_;
…		…
1278		1869
1279	# the original (read-only) location	1870	# the original (read-only) location
1280	sub load_path {	1871	sub load_path {
1281	my ($self) = @_;	1872	my ($self) = @_;
1282		1873
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1874	"$MAPDIR/$self->{path}.map"
1284	}	1875	}
1285		1876
1286	# the temporary/swap location	1877	# the temporary/swap location
1287	sub save_path {	1878	sub save_path {
1288	my ($self) = @_;	1879	my ($self) = @_;
1289		1880
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1882	"$TMPDIR/$path.map"
1292	}	1883	}
1293		1884
1294	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1295	sub uniq_path {	1886	sub uniq_path {
1296	my ($self) = @_;	1887	my ($self) = @_;
1297		1888
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1890	"$UNIQUEDIR/$path"
1300	}	1891	}
1301		1892
1302	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1303	# all maps in C++...	1894	# all maps in C++...
1304	sub change_all_map_light {	1895	sub change_all_map_light {
…		…
1306		1897
1307	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1309	}	1900	}
1310		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1311	sub unlink_save {	1910	sub unlink_save {
1312	my ($self) = @_;	1911	my ($self) = @_;
1313		1912
1314	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1917
1319	sub load_header_from($) {	1918	sub load_header_from($) {
1320	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1321		1920
1322	utf8::encode $path;	1921	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1930
1329	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1330		1932
1331	1	1933	1
1332	}	1934	}
…		…
1371	$self->load_header_orig	1973	$self->load_header_orig
1372	or return;	1974	or return;
1373	$self->prepare_orig;	1975	$self->prepare_orig;
1374	}	1976	}
1375		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
		1981	$self->default_region (cf::region::find_by_path $self->{path})
		1982	unless $self->default_region;
		1983
1376	1	1984	1
1377	}	1985	}
1378		1986
1379	sub find;	1987	sub find;
1380	sub find {	1988	sub find {
1381	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1382		1990
1383	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1384		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1386		1995
1387	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1389	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1390	or return;	2001	or return;
1391		2002
1392	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1393		2004
1394	$map->load_header	2005	$map->load_header
1395	or return;	2006	or return;
1396		2007
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1400	$map->reset;	2013	$map->reset;
1401	undef $guard;
1402	return find $path;	2014	return find $path;
1403	}	2015	}
1404		2016
1405	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1406	}	2018	}
…		…
1413	my ($self) = @_;	2025	my ($self) = @_;
1414		2026
1415	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1416		2028
1417	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1419		2033
		2034	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2036
1422	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1423		2038
1424	$self->alloc;	2039	$self->alloc;
1425		2040
1426	$self->pre_load;	2041	$self->pre_load;
		2042	cf::cede_to_tick;
1427		2043
1428	$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)
1429	or return;	2047	or return;
1430		2048
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1432	if delete $self->{load_original};	2050	if delete $self->{load_original};
1433		2051
1434	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2053	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2056	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1439	}	2060	}
1440	}	2061	}
1441		2062
1442	Coro::cede;	2063	$f->resolve_delayed_derefs;
1443		2064
		2065	cf::cede_to_tick;
1444	# now do the right thing for maps	2066	# now do the right thing for maps
1445	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2069	unless $self->difficulty;
1455	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;
1456	$self->activate;	2079	$self->activate;
		2080	}
		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
		2085	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2086	}
1458		2087
1459	$self->post_load;	2088	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2089	}
1463		2090
1464	sub customise_for {	2091	sub customise_for {
1465	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1466		2093
1467	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2095	if $self->per_player;
1469		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1470	$self	2100	$self
1471	}	2101	}
1472		2102
1473	# 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
1474	sub load_diag {	2104	sub load_neighbours {
1475	my ($map) = @_;	2105	my ($map) = @_;
1476		2106
1477	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1478		2108
1479	for (0 .. 3) {	2109	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1481	or next;	2111	or next;
1482	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1483	or next;	2113	or next;
1484	$neigh->load;	2114	$neigh->load;
1485		2115
		2116	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2119	}
1489		2120
1490	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1492	or next;	2124	or next;
1493	$neigh->load;	2125	$neigh->load;
1494	}	2126	}
1495	}	2127	}
1496		2128
…		…
1501	}	2133	}
1502		2134
1503	sub do_load_sync {	2135	sub do_load_sync {
1504	my ($map) = @_;	2136	my ($map) = @_;
1505		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1506	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1507	}	2142	}
1508		2143
1509	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1511		2146
1512	sub find_async {	2147	sub find_async {
1513	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1514		2149
1515	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1516		2151
1517	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2154	}
1520		2155
1521	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1522	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1523	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2163	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2164	$map->load if $v;
		2165	}
1528		2166
1529	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1530	}	2168	}
1531	}	2169	}
1532	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1533	};	2171	};
1534	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2175	}
1538		2176
1539	sub save {	2177	sub save {
1540	my ($self) = @_;	2178	my ($self) = @_;
1541		2179
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2181
1544	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1545		2183
1546	return unless $self->dirty;	2184	return unless $self->dirty;
1547		2185
…		…
1553	return if $self->{deny_save};	2191	return if $self->{deny_save};
1554		2192
1555	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1556		2194
1557	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1559	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1560		2201
1561	if ($uniq) {	2202	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2205	} else {
…		…
1570	my ($self) = @_;	2211	my ($self) = @_;
1571		2212
1572	# save first because save cedes	2213	# save first because save cedes
1573	$self->save;	2214	$self->save;
1574		2215
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2217
1577	return if $self->players;	2218	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2220	return if $self->{deny_save};
1580		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2226	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2227	}
1584		2228
1585	sub reset_at {	2229	sub reset_at {
1586	my ($self) = @_;	2230	my ($self) = @_;
1587		2231
1588	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1591		2234
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2237
…		…
1605	my ($self) = @_;	2248	my ($self) = @_;
1606		2249
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2251
1609	return if $self->players;	2252	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2253
1612	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1613		2255
1614	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1615		2257
1616	# need to save uniques path	2258	# need to save uniques path
1617	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2263	if $uniq;
1622	}	2264	}
1623		2265
1624	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1625		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2270	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2271
1630	$self->unlink_save;	2272	$self->unlink_save;
1631	$self->destroy;	2273	$self->destroy;
1632	}	2274	}
1633		2275
1634	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1635		2277
1636	sub nuke {	2278	sub nuke {
1637	my ($self) = @_;	2279	my ($self) = @_;
1638		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1639	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1640		2285
1641	$self->unlink_save;	2286	$self->unlink_save;
1642		2287
1643	bless $self, "cf::map";	2288	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2293
1649	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1650		2296
1651	$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	]
1652	}	2334	}
1653		2335
1654	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1655		2337
1656	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2339	instantiated unique items. May block.
1658		2340
1659	=cut	2341	=cut
1660		2342
1661	sub unique_maps() {	2343	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2344	[
1663	or return;	2345	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2346	utf8::decode $_;
1669	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2349	? ()
1672	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2352	]
1674
1675	\@paths
1676	}	2353	}
1677
1678	package cf;
1679		2354
1680	=back	2355	=back
1681		2356
1682	=head3 cf::object	2357	=head3 cf::object
1683		2358
…		…
1687		2362
1688	=over 4	2363	=over 4
1689		2364
1690	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1691		2366
1692	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.
1693		2369
1694	=cut	2370	=cut
1695		2371
1696	sub inv_recursive_;	2372	sub inv_recursive_;
1697	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1700		2376
1701	sub inv_recursive {	2377	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1703	}	2379	}
1704		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
1705	package cf;	2409	package cf;
1706		2410
1707	=back	2411	=back
1708		2412
1709	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1718		2422
1719	=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	};
1720		2438
1721	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2440	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1726		2444
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2446
1729	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1734	}	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 (@_);
1735	}	2472	}
1736		2473
1737	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1738		2475
1739	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1752		2489
1753	=item $player_object->enter_link	2490	=item $player_object->enter_link
1754		2491
1755	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}>).
1756		2493
1757	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.
1758	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.
1759		2498
1760	Will never block.	2499	Will never block.
1761		2500
1762	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1763		2502
…		…
1786	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1787		2526
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2528
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1792		2531
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2533	}
1795		2534
1796	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1798		2539
1799	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1800		2541
1801	unless ($map) {	2542	unless ($map) {
1802	# restore original map position	2543	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1819		2560
1820	$map->load;	2561	$map->load;
1821	$map->load_diag;	2562	$map->load_neighbours;
1822		2563
1823	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2566	$self->activate_recursive;
1825		2567
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1828	}	2570	}
1829		2571
1830	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2573
1834	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1838	};	2578	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2579
1844	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2582
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1865		2586
1866	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1867	my ($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;
1868		2592
1869	$self->enter_link;	2593	$self->enter_link;
1870		2594
1871	(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
1872	my $map = eval {	2617	my $map = eval {
1873	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2633	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1880	})->prio (1);	2641	})->prio (1);
1881	}	2642	}
1882		2643
1883	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1884		2645
…		…
1904	}	2665	}
1905		2666
1906	sub prepare_random_map {	2667	sub prepare_random_map {
1907	my ($exit) = @_;	2668	my ($exit) = @_;
1908		2669
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2672	# that depends on the exit object
1914		2673
1915	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2676	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1922	}	2683	}
1923		2684
1924	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1925		2686
1926	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
1929		2690
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2693	undef $fh;
1933	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
1934		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1937	}	2702	}
1938	}	2703	}
1939		2704
1940	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
1942		2707
1943	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
1944		2709
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2710	$self->enter_link;
1955		2711
1956	(async {	2712	(async {
1957	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
1958	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
1959	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
1960		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
1961	1;	2736	1
1962	}) {	2737	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2742
1968	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2744	$self->leave_link;
1970	}	2745	}
1971	})->prio (1);	2746	})->prio (1);
…		…
1987		2762
1988	utf8::encode $text;	2763	utf8::encode $text;
1989	$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);
1990	}	2765	}
1991		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
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		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	}
		2951	}
1992		2952
1993	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1994		2954
1995	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2958
1999	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
2000	reliable at some point in the future.	2960	become reliable at some point in the future.
2001		2961
2002	=cut	2962	=cut
2003		2963
2004	sub cf::client::query {	2964	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2973	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2975
2016	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2018	}	2980	}
2019		2981
2020	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2021	on_reply => sub {	2988	on_reply => sub {
2022	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2023		2990
2024	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2025	# get handled first	2992	# get handled first
…		…
2037	} else {	3004	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3006	}
2040	}	3007	}
2041	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($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	},
2042	);	3035	);
2043		3036
2044	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2045		3038
2046	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2089		3082
2090	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2091		3084
2092	$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	));
2093		3090
2094	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2095		3092
2096	=pod	3093	=pod
2097		3094
2098	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2099		3096
2100	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
2101	cf::object::player player	3101	cf::object::player
2102	cf::player peaceful	3102	player
2103	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2104		3109
2105	=cut	3110	=cut
2106		3111
2107	for (	3112	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2112	) {	3119	) {
2113	no strict 'refs';	3120	no strict 'refs';
…		…
2184	=back	3191	=back
2185		3192
2186	=cut	3193	=cut
2187		3194
2188	#############################################################################	3195	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3196	# the server's init and main functions
2262		3197
2263	sub load_faces {	3198	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3199	my ($path) = @_;
2265		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;
		3206
2266	warn "loading faces from $path\n";	3207	warn "loading facedata from $path\n";
2267		3208
2268	my $faces;	3209	my $facedata;
2269	0 < aio_load $path, $faces	3210	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3211	or die "$path: $!";
2271		3212
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3213	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3214
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3215	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		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
		3225	{
		3226	my $faces = $facedata->{faceinfo};
		3227
2280	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230
		3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3235
		3236	cf::cede_to_tick;
		3237	}
		3238
2287	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2289	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2290	or next;	3243	or next;
		3244
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3248	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3250	}
2296	Coro::cede;	3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
2297	}	3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		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);
2298		3301
2299	1	3302	1
2300	}	3303	}
2301		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
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
2302	sub reload_resources {	3372	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3373	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3374
2305	load_faces	3375	reload_facedata;
2306	or die "unable to load faces\n";#d#	3376	reload_archetypes;
2307	}
2308
2309	sub init {
2310	reload_resources;	3377	reload_regions;
2311	}	3378	reload_treasures;
2312		3379
2313	sub cfg_load {	3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3385	or return;
2316		3386
2317	local $/;	3387	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2319		3389
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3391
2322	$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};
2323	$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};
…		…
2329	};	3399	};
2330	warn $@ if $@;	3400	warn $@ if $@;
2331	}	3401	}
2332	}	3402	}
2333		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
2334	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
2335	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2337	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#
2338	(async {	3442	(async {
2339	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2341	};	3446	};
2342		3447
2343	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2344	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
2345	load_extensions;	3466	load_extensions;
2346		3467
2347	$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
2348	Event::loop;	3476	EV::loop;
2349	}	3477	}
2350		3478
2351	#############################################################################	3479	#############################################################################
2352	# initialisation and cleanup	3480	# initialisation and cleanup
2353		3481
2354	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2355	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2364	},
2365	);	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
2366	}	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 };
2367	}	3576	}
2368		3577
2369	sub emergency_save() {	3578	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2371		3580
2372	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2373		3582
2374	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
2375	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3597	$pl->save;
2383	}	3598	}
2384	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2385		3600
2386	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3604	$map->valid or next;
2390	$map->save;	3605	$map->save;
2391	}	3606	}
2392	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2393		3608
2394	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2397	};	3616	};
2398		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2399	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2400	}	3624	}
2401		3625
2402	sub post_cleanup {	3626	sub post_cleanup {
2403	my ($make_core) = @_;	3627	my ($make_core) = @_;
2404		3628
2405	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3630	if $make_core;
2407	}
2408		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
2409	sub reload() {	3662	sub do_reload_perl() {
2410	# can/must only be called in main	3663	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2413	return;	3666	return;
2414	}	3667	}
2415		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2416	warn "reloading...";	3674	warn "reloading...";
2417		3675
2418	warn "entering sync_job";	3676	warn "entering sync_job";
2419		3677
2420	cf::sync_job {	3678	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3680	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2424		3682
2425	warn "syncing database to disk";	3683	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3685
2428	# 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
2429		3687
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3691	}
2466		3692
2467	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2469	}	3695	%EXT_CORO = ();
2470		3696
2471	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3706	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3707
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2482	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2483	}	3717	}
2484		3718
2485	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;
2486	}	3734	}
2487		3735
2488	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2490	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);
2491		3739
2492	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2494		3743
2495	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3745	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2498		3747
2499	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2500		3749
2501	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2502	require cf;	3751	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3753
2505	warn "loading config and database again";	3754	warn "loading config and database again";
2506	cf::cfg_load;	3755	cf::reload_config;
2507		3756
2508	warn "loading extensions";	3757	warn "loading extensions";
2509	cf::load_extensions;	3758	cf::load_extensions;
2510		3759
		3760	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2517		3768
2518	warn "loading reloadable resources";	3769	warn "running post_init jobs";
2519	reload_resources;	3770	(pop @POST_INIT)->(1) while @POST_INIT;
2520		3771
2521	warn "leaving sync_job";	3772	warn "leaving sync_job";
2522		3773
2523	1	3774	1
2524	} or do {	3775	} or do {
2525	warn $@;	3776	warn $@;
2526	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2527	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	};
2528	};	3801	};
2529		3802	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3803
2535	register_command "reload" => sub {	3804	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2537		3806
2538	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
2540		3809	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3810	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3811	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3812	};
2553	}	3813	}
2554	};	3814	};
2555		3815
2556	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2557		3817
2558	my $bug_warning = 0;	3818	my $bug_warning = 0;
2559		3819
2560	$TICK_WATCHER = Event->timer (	3820	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3821	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3822
2563	prio => 0,	3823	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3825
2566	cb => sub {	3826	my $signal = new Coro::Signal;
		3827	push @WAIT_FOR_TICK, $signal;
		3828	$signal->wait;
		3829	}
		3830
		3831	sub wait_for_tick_begin {
		3832	return if tick_inhibit || $Coro::current == $Coro::main;
		3833
		3834	my $signal = new Coro::Signal;
		3835	push @WAIT_FOR_TICK_BEGIN, $signal;
		3836	$signal->wait;
		3837	}
		3838
		3839	sub tick {
2567	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2568	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"
2569	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2570	return;	3843	return;
2571	}	3844	}
2572		3845
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3847
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3850	Coro::async_pool {
		3851	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3852	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3854	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3855	}
2599	);	3856
		3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3858	$sig->send;
		3859	}
		3860	while (my $sig = shift @WAIT_FOR_TICK) {
		3861	$sig->send;
		3862	}
		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	}
2600		3875
2601	{	3876	{
2602	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3878
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2612		3880	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3882
2628	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2629	$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);
2630		3890
2631	cf::sync_job {	3891	cf::sync_job {
2632	eval {	3892	eval {
2633	BDB::db_env_open	3893	BDB::db_env_open
2634	$DB_ENV,	3894	$DB_ENV,
2635	$BDB_ENV_DIR,	3895	$BDBDIR,
2636	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
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3898	0666;
2639		3899
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3901	};
2645		3902
2646	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3904	};
2648	}	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	};
2649	}	3916	}
2650		3917
2651	{	3918	{
		3919	# configure IO::AIO
		3920
2652	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	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;
2665		3970
2666	END { cf::emergency_save }	3971	END { cf::emergency_save }
2667		3972
2668	1	3973	1
2669		3974

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