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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 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;
21	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
22		51
		52	use JSON::XS 2.01 ();
23	use BDB ();	53	use BDB ();
24	use Data::Dumper;	54	use Data::Dumper;
25	use Digest::MD5;	55	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		75
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		77
47	our %COMMAND = ();	78	our %COMMAND = ();
48	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
49		80
50	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
54		86
55	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	88	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		89
59	our $TICK = MAX_TIME * 1e-6;	90	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	91	our $DATADIR = datadir;
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	108	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	114	our $DB_ENV;
69		115
70	our %CFG;	116	our %CFG;
71		117
72	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
74		121
75	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		125
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		137
87	binmode STDOUT;	138	binmode STDOUT;
88	binmode STDERR;	139	binmode STDERR;
89		140
90	# read virtual server time, if available	141	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
95	}	146	}
96		147
97	mkdir cf::localdir;	148	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		150
104	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
105		152
106	sub cf::map::normalise;	153	sub cf::map::normalise;
107		154
…		…
118	=item $cf::RUNTIME	165	=item $cf::RUNTIME
119		166
120	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
121	every server tick.	168	every server tick.
122		169
123	=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
124		173
125	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		178
128	=item $cf::NOW	179	=item $cf::NOW
129		180
130	The time of the last (current) server tick.	181	The time of the last (current) server tick.
131		182
132	=item $cf::TICK	183	=item $cf::TICK
133		184
134	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	197	=item %cf::CFG
137		198
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	200	from wherever your confdir points to.
140		201
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		203
143	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
144	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
145	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.
146	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.
147		213
148	=back	214	=back
149		215
150	=cut	216	=cut
151		217
152	BEGIN {	218	BEGIN {
153	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	220	my $msg = join "", @_;
155	utf8::encode $msg;
156		221
157	$msg .= "\n"	222	$msg .= "\n"
158	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
159		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
160	LOG llevError, $msg;	227	LOG llevError, $msg;
161	};	228	};
162	}	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#?
163		245
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		253
171	# 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
172	# within the Safe compartment.	255	# within the Safe compartment.
173	for my $pkg (qw(	256	for my $pkg (qw(
174	cf::global cf::attachable	257	cf::global cf::attachable
175	cf::object cf::object::player	258	cf::object cf::object::player
176	cf::client cf::player	259	cf::client cf::player
177	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
178	cf::map cf::party cf::region	262	cf::party cf::region
179	)) {	263	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	265	}
183		266
184	$Event::DIED = sub {	267	$EV::DIED = sub {
185	warn "error in event callback: @_";	268	warn "error in event callback: @_";
186	};	269	};
		270
		271	#############################################################################
187		272
188	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
189		274
190	=over 4	275	=over 4
191		276
…		…
210	$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;
211	$d	296	$d
212	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
213	}	298	}
214		299
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
218		301
219	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
220		303
221	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
222		305
223	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	329	=item cf::lock_wait $string
226		330
227	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
228		332
229	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
230		334
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
234	returned.	338	returned.
235		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
236	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
237	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
238		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
239	=cut	350	=cut
240		351
241	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
242		354
243	sub lock_wait($) {	355	sub lock_wait($) {
244	my ($key) = @_;	356	my ($key) = @_;
245		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
246	# wait for lock, if any	363	# wait for lock, if any
247	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
248	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	367	Coro::schedule;
250	}	368	}
251	}	369	}
252		370
…		…
255		373
256	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
257	lock_wait $key;	375	lock_wait $key;
258		376
259	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
260		379
261	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
264	}	384	}
265	}	385	}
266		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
267	sub freeze_mainloop {	393	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
269		395
270	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
271	$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($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
272	};	457	}
273	$TICK_WATCHER->stop;	458	};
274	$guard	459
		460	sub get_slot($;$$) {
		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	$sig->wait;
275	}	472	}
276		473
277	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
278		475
279	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		481
285	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
286		483
287	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
288		485
289	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
292		490
293	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
296	fast or be very important.	494	fast or be very important.
…		…
299		497
300	sub sync_job(&) {	498	sub sync_job(&) {
301	my ($job) = @_;	499	my ($job) = @_;
302		500
303	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
304	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
306		506
307	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	508
309	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
310		510
311	my $busy = 1;	511	my $busy = 1;
312	my @res;	512	my @res;
313		513
314	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	516	@res = eval { $job->() };
316	warn $@ if $@;	517	warn $@ if $@;
317	undef $busy;	518	undef $busy;
318	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
319		520
320	while ($busy) {	521	while ($busy) {
321	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
322	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
323		532
324	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
325	} else {	534	} else {
326	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
327		536
…		…
347	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
348		557
349	$coro	558	$coro
350	}	559	}
351		560
352	sub write_runtime {	561	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		562
355	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.
356		567
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	=cut
358	or return;
359		569
360	my $value = $cf::RUNTIME + 90 + 10;	570	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	571	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		572
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	# we seemingly have to make a local copy of the whole thing,
365	and return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
366		576
367	# always fsync - this file is important	577	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	578	reset_signals;
369	and return;	579	&$cb
		580	}, @args;
370		581
371	close $fh	582	wantarray ? @res : $res[-1]
372	or return;	583	}
373		584
374	aio_rename "$runtime~", $runtime	585	=item $coin = coin_from_name $name
375	and return;
376		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		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($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
377	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		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"
378	}	737	}
379		738
380	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
381		740
382	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		753
395	#############################################################################	754	#############################################################################
396		755
397	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
398		757
399	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
400	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")
401	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
402		761
403	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>
404	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
405	crossfire+).	764	Deliantra).
406		765
407	=over 4	766	=over 4
408		767
409	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
410		769
…		…
454	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
455		814
456	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
458		817
459	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		820
462	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
463		822
464	=over 4	823	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
574		933
575	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		938
580	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	940	my $pkg = shift @arg;
582		941
583	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
613	}	972	}
614		973
615	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
616	} else {	975	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	977	}
619		978
620	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
621	}	980	}
622		981
…		…
624	if (ref $_[0]) {	983	if (ref $_[0]) {
625	_object_attach @_;	984	_object_attach @_;
626	} else {	985	} else {
627	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
628	}	987	}
		988	_recalc_want;
629	};	989	};
630		990
631	# all those should be optimised	991	# all those should be optimised
632	sub cf::attachable::detach {	992	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
637	reattach ($obj);	997	reattach ($obj);
638	} else {	998	} else {
639	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
640	}	1000	}
		1001	_recalc_want;
641	};	1002	};
642		1003
643	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
645		1006
…		…
660	";	1021	";
661	die if $@;	1022	die if $@;
662	}	1023	}
663		1024
664	our $override;	1025	our $override;
665	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?
666		1027
667	sub override {	1028	sub override {
668	$override = 1;	1029	$override = 1;
669	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
670	}	1031	}
671		1032
672	sub do_invoke {	1033	sub do_invoke {
673	my $event = shift;	1034	my $event = shift;
674	my $callbacks = shift;	1035	my $callbacks = shift;
675		1036
676	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
677		1038
678	local $override;	1039	local $override;
679		1040
680	for (@$callbacks) {	1041	for (@$callbacks) {
681	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
690	}	1051	}
691		1052
692	0	1053	0
693	}	1054	}
694		1055
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1057
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1059
699	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
700		1061
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1065
705	=back	1066	=back
706		1067
707	=cut	1068	=cut
708		1069
709	#############################################################################	1070	#############################################################################
710	# 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, $ob2
		1113	}
711		1114
712	sub reattach {	1115	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1117	my ($obj) = @_;
715		1118
		1119	# no longer needed after getting rid of delete_package?
716	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
717		1121
718	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
719		1123
720	@$registry = ();	1124	@$registry = ();
721		1125
…		…
736	cf::attachable->attach (	1140	cf::attachable->attach (
737	prio => -1000000,	1141	prio => -1000000,
738	on_instantiate => sub {	1142	on_instantiate => sub {
739	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
740		1144
741	$data = from_json $data;	1145	$data = decode_json $data;
742		1146
743	for (@$data) {	1147	for (@$data) {
744	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
745		1149
746	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1166	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
764		1168
765	sync_job {	1169	sync_job {
766	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
769		1174
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1179	aio_close $fh;
775		1180
776	if (@$objs) {	1181	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1187	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
784	}	1189	}
785	} else {	1190	} else {
786	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
787	}	1192	}
788		1193
789	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1198	} else {
791	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
792	}	1200	}
793	} else {	1201	} else {
794	aio_unlink $filename;	1202	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
796	}	1204	}
797	}	1205	};
798	}	1206	}
799		1207
800	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
802		1210
…		…
814	or return;	1222	or return;
815		1223
816	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
818	or return;	1226	or return;
		1227
819	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
820	}	1230	}
821		1231
		1232	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
824	return ($data, $av);	1236	($data, $av)
825	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
826		1244
827	#############################################################################	1245	#############################################################################
828	# command handling &c	1246	# command handling &c
829		1247
830	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1262	}
845		1263
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1265
848	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.
849		1271
850	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
851	called.	1273	called.
852		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
853	=cut	1286	=cut
854		1287
855	sub register_extcmd {	1288	sub register_extcmd {
856	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
857		1290
858	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
859	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
860		1301
861	cf::player->attach (	1302	cf::player->attach (
862	on_command => sub {	1303	on_command => sub {
863	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
864		1305
…		…
872	cf::override;	1313	cf::override;
873	},	1314	},
874	on_extcmd => sub {	1315	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
876		1317
877	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1319
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
885	} else {	1335	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1337	}
888		1338
889	cf::override;	1339	cf::override;
890	},	1340	},
891	);	1341	);
892		1342
		1343	# "readahead" all extensions
893	sub load_extension {	1344	sub cache_extensions {
894	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
895		1346
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
897	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1350	}
921	die $@;
922	}	1351	};
923		1352
924	push @EXTS, $pkg;	1353	$grp
925	}	1354	}
926		1355
927	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
928	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1361	next unless -r $path;
930	eval {	1362
931	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	$progress = 1;
932	1	1419	}
933	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
934	}	1425	};
935	}	1426	}
936		1427
937	#############################################################################	1428	#############################################################################
938		1429
		1430	=back
		1431
939	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
940		1433
941	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
942		1435
943	=cut	1436	=cut
944		1437
945	package cf::player;	1438	package cf::player;
946		1439
…		…
948		1441
949	=head3 cf::player	1442	=head3 cf::player
950		1443
951	=over 4	1444	=over 4
952		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
953	=item cf::player::find $login	1460	=item cf::player::find $login
954		1461
955	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
956		1463
957	=cut	1464	=cut
958		1465
959	sub playerdir($) {	1466	sub playerdir($) {
960	cf::localdir	1467	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1469	}
966		1470
967	sub path($) {	1471	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1482
979	sub exists($) {	1483	sub exists($) {
980	my ($login) = @_;	1484	my ($login) = @_;
981		1485
982	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
984	}	1488	}
985		1489
986	sub find($) {	1490	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1492	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
999		1503
1000	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1003	}	1513	}
1004	}	1514	}
1005	}	1515	}
1006		1516
…		…
1015	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1016		1526
1017	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1019		1529
		1530	cf::get_slot 0.01;
		1531
1020	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1021	Coro::cede;	1533	cf::cede_to_tick;
1022	}	1534	}
1023		1535
1024	sub new($) {	1536	sub new($) {
1025	my ($login) = @_;	1537	my ($login) = @_;
1026		1538
…		…
1032	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1033		1545
1034	$self	1546	$self
1035	}	1547	}
1036		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
1037	=item $pl->quit_character	1559	=item $pl->quit_character
1038		1560
1039	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1041		1563
…		…
1045	my ($pl) = @_;	1567	my ($pl) = @_;
1046		1568
1047	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1048		1570
1049	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1050	$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
1051		1573
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1056		1580
1057	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1089		1613
1090	=cut	1614	=cut
1091		1615
1092	sub list_logins {	1616	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1618	or return [];
1095		1619
1096	my @logins;	1620	my @logins;
1097		1621
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1102		1632
1103	utf8::decode $login;	1633	utf8::decode $login;
1104	push @logins, $login;	1634	push @logins, $login;
1105	}	1635	}
1106		1636
…		…
1133	}	1663	}
1134		1664
1135	\@paths	1665	\@paths
1136	}	1666	}
1137		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1138	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1139		1673
1140	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1141		1675
1142	=cut	1676	=cut
1143		1677
1144	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1146		1680
1147	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1682	}
1151		1683
1152	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1153		1685
1154	Sends an ext event to the client.	1686	Sends an ext event to the client.
1155		1687
1156	=cut	1688	=cut
1157		1689
1158	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1160		1692
1161	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1162	}	1694	}
1163		1695
1164	package cf;	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	}
1165		1724
1166	=back	1725	=back
1167
1168		1726
1169	=head3 cf::map	1727	=head3 cf::map
1170		1728
1171	=over 4	1729	=over 4
1172		1730
…		…
1184	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1186		1744
1187	sub generate_random_map {	1745	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1751	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1228		1789
1229	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1230	local $self->{path};	1791	local $self->{path};
1231	local $self->{load_path};	1792	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1793
1235	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1236	}	1795	}
1237		1796
1238	sub normalise {	1797	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1286	return $self;	1845	return $self;
1287	}	1846	}
1288	}	1847	}
1289		1848
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1850	()
1292	}	1851	}
1293		1852
1294	sub init {	1853	sub init {
1295	my ($self) = @_;	1854	my ($self) = @_;
…		…
1310		1869
1311	# the original (read-only) location	1870	# the original (read-only) location
1312	sub load_path {	1871	sub load_path {
1313	my ($self) = @_;	1872	my ($self) = @_;
1314		1873
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1874	"$MAPDIR/$self->{path}.map"
1316	}	1875	}
1317		1876
1318	# the temporary/swap location	1877	# the temporary/swap location
1319	sub save_path {	1878	sub save_path {
1320	my ($self) = @_;	1879	my ($self) = @_;
1321		1880
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1882	"$TMPDIR/$path.map"
1324	}	1883	}
1325		1884
1326	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1327	sub uniq_path {	1886	sub uniq_path {
1328	my ($self) = @_;	1887	my ($self) = @_;
1329		1888
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1890	"$UNIQUEDIR/$path"
1332	}	1891	}
1333		1892
1334	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1335	# all maps in C++...	1894	# all maps in C++...
1336	sub change_all_map_light {	1895	sub change_all_map_light {
…		…
1338		1897
1339	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1341	}	1900	}
1342		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1343	sub unlink_save {	1910	sub unlink_save {
1344	my ($self) = @_;	1911	my ($self) = @_;
1345		1912
1346	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1917
1351	sub load_header_from($) {	1918	sub load_header_from($) {
1352	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1353		1920
1354	utf8::encode $path;	1921	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1930
1361	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1362		1932
1363	1	1933	1
1364	}	1934	}
…		…
1403	$self->load_header_orig	1973	$self->load_header_orig
1404	or return;	1974	or return;
1405	$self->prepare_orig;	1975	$self->prepare_orig;
1406	}	1976	}
1407		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 $self->default_region;
		1983
1408	1	1984	1
1409	}	1985	}
1410		1986
1411	sub find;	1987	sub find;
1412	sub find {	1988	sub find {
1413	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1414		1990
1415	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1416		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1418		1995
1419	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1421	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1422	or return;	2001	or return;
1423		2002
1424	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1425		2004
1426	$map->load_header	2005	$map->load_header
1427	or return;	2006	or return;
1428		2007
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1432	$map->reset;	2013	$map->reset;
1433	undef $guard;
1434	return find $path;	2014	return find $path;
1435	}	2015	}
1436		2016
1437	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1438	}	2018	}
…		…
1445	my ($self) = @_;	2025	my ($self) = @_;
1446		2026
1447	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1448		2028
1449	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1451		2033
		2034	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2036
1454	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1455		2038
1456	$self->alloc;	2039	$self->alloc;
1457		2040
1458	$self->pre_load;	2041	$self->pre_load;
		2042	cf::cede_to_tick;
1459		2043
1460	$self->_load_objects ($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)
1461	or return;	2047	or return;
1462		2048
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1464	if delete $self->{load_original};	2050	if delete $self->{load_original};
1465		2051
1466	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2053	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2056	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1471	}	2060	}
1472	}	2061	}
1473		2062
1474	Coro::cede;	2063	$f->resolve_delayed_derefs;
1475		2064
		2065	cf::cede_to_tick;
1476	# now do the right thing for maps	2066	# now do the right thing for maps
1477	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2069	unless $self->difficulty;
1487	Coro::cede;	2070	cf::cede_to_tick;
		2071
		2072	unless ($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;
1488	$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);
1489	}	2086	}
1490		2087
1491	$self->post_load;	2088	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2089	}
1495		2090
1496	sub customise_for {	2091	sub customise_for {
1497	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1498		2093
1499	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2095	if $self->per_player;
1501		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1502	$self	2100	$self
1503	}	2101	}
1504		2102
1505	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2104	sub load_neighbours {
1507	my ($map) = @_;	2105	my ($map) = @_;
1508		2106
1509	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1510		2108
1511	for (0 .. 3) {	2109	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1513	or next;	2111	or next;
1514	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1515	or next;	2113	or next;
1516	$neigh->load;	2114	$neigh->load;
1517		2115
		2116	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2119	}
1521		2120
1522	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1524	or next;	2124	or next;
1525	$neigh->load;	2125	$neigh->load;
1526	}	2126	}
1527	}	2127	}
1528		2128
…		…
1533	}	2133	}
1534		2134
1535	sub do_load_sync {	2135	sub do_load_sync {
1536	my ($map) = @_;	2136	my ($map) = @_;
1537		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1538	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1539	}	2142	}
1540		2143
1541	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1543		2146
1544	sub find_async {	2147	sub find_async {
1545	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1546		2149
1547	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1548		2151
1549	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2154	}
1552		2155
1553	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1554	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1555	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2163	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2164	$map->load if $v;
		2165	}
1560		2166
1561	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1562	}	2168	}
1563	}	2169	}
1564	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1565	};	2171	};
1566	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2175	}
1570		2176
1571	sub save {	2177	sub save {
1572	my ($self) = @_;	2178	my ($self) = @_;
1573		2179
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2181
1576	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1577		2183
1578	return unless $self->dirty;	2184	return unless $self->dirty;
1579		2185
…		…
1585	return if $self->{deny_save};	2191	return if $self->{deny_save};
1586		2192
1587	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1588		2194
1589	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1591	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1592		2201
1593	if ($uniq) {	2202	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2205	} else {
…		…
1602	my ($self) = @_;	2211	my ($self) = @_;
1603		2212
1604	# save first because save cedes	2213	# save first because save cedes
1605	$self->save;	2214	$self->save;
1606		2215
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2217
1609	return if $self->players;	2218	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2220	return if $self->{deny_save};
1612		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2226	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2227	}
1616		2228
1617	sub reset_at {	2229	sub reset_at {
1618	my ($self) = @_;	2230	my ($self) = @_;
1619		2231
1620	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1623		2234
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2237
…		…
1637	my ($self) = @_;	2248	my ($self) = @_;
1638		2249
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2251
1641	return if $self->players;	2252	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2253
1644	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1645		2255
1646	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1647		2257
1648	# need to save uniques path	2258	# need to save uniques path
1649	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2263	if $uniq;
1654	}	2264	}
1655		2265
1656	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1657		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2270	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2271
1662	$self->unlink_save;	2272	$self->unlink_save;
1663	$self->destroy;	2273	$self->destroy;
1664	}	2274	}
1665		2275
1666	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1667		2277
1668	sub nuke {	2278	sub nuke {
1669	my ($self) = @_;	2279	my ($self) = @_;
1670		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1671	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1672		2285
1673	$self->unlink_save;	2286	$self->unlink_save;
1674		2287
1675	bless $self, "cf::map";	2288	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2293
1681	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1682		2296
1683	$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	]
1684	}	2334	}
1685		2335
1686	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1687		2337
1688	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2339	instantiated unique items. May block.
1690		2340
1691	=cut	2341	=cut
1692		2342
1693	sub unique_maps() {	2343	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2344	[
1695	or return;	2345	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2346	utf8::decode $_;
1701	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2349	? ()
1704	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2352	]
1706
1707	\@paths
1708	}	2353	}
1709
1710	package cf;
1711		2354
1712	=back	2355	=back
1713		2356
1714	=head3 cf::object	2357	=head3 cf::object
1715		2358
…		…
1719		2362
1720	=over 4	2363	=over 4
1721		2364
1722	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1723		2366
1724	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.
1725		2369
1726	=cut	2370	=cut
1727		2371
1728	sub inv_recursive_;	2372	sub inv_recursive_;
1729	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1732		2376
1733	sub inv_recursive {	2377	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1735	}	2379	}
1736		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
1737	package cf;	2409	package cf;
1738		2410
1739	=back	2411	=back
1740		2412
1741	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1750		2422
1751	=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	};
1752		2438
1753	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2440	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1758		2444
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2446
1761	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1766	}	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 (@_);
1767	}	2472	}
1768		2473
1769	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1770		2475
1771	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1784		2489
1785	=item $player_object->enter_link	2490	=item $player_object->enter_link
1786		2491
1787	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}>).
1788		2493
1789	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.
1790	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.
1791		2498
1792	Will never block.	2499	Will never block.
1793		2500
1794	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1795		2502
…		…
1818	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1819		2526
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2528
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1824		2531
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2533	}
1827		2534
1828	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1830		2539
1831	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1832		2541
1833	unless ($map) {	2542	unless ($map) {
1834	# restore original map position	2543	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1851		2560
1852	$map->load;	2561	$map->load;
1853	$map->load_diag;	2562	$map->load_neighbours;
1854		2563
1855	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1856	$self->activate_recursive;	2566	$self->activate_recursive;
1857		2567
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1860	}	2570	}
1861		2571
1862	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2573
1866	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1870	};	2578	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2579
1876	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2582
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1897		2586
1898	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1899	my ($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;
1900		2592
1901	$self->enter_link;	2593	$self->enter_link;
1902		2594
1903	(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
1904	my $map = eval {	2617	my $map = eval {
1905	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2633	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1912	})->prio (1);	2641	})->prio (1);
1913	}	2642	}
1914		2643
1915	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1916		2645
…		…
1936	}	2665	}
1937		2666
1938	sub prepare_random_map {	2667	sub prepare_random_map {
1939	my ($exit) = @_;	2668	my ($exit) = @_;
1940		2669
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2672	# that depends on the exit object
1946		2673
1947	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2676	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1954	}	2683	}
1955		2684
1956	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1957		2686
1958	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
1961		2690
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2693	undef $fh;
1965	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
1966		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1969	}	2702	}
1970	}	2703	}
1971		2704
1972	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
1974		2707
1975	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
1976		2709
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2710	$self->enter_link;
1989		2711
1990	(async {	2712	(async {
1991	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
1992	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
1993	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
1994		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
1995	1;	2736	1
1996	}) {	2737	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "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. "
1999	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2742
2002	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2021		2762
2022	utf8::encode $text;	2763	utf8::encode $text;
2023	$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);
2024	}	2765	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2027		2919
2028	Sends an exti event to the client.	2920	Sends an ext event to the client.
2029		2921
2030	=cut	2922	=cut
2031		2923
2032	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2034		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2037	}	2951	}
2038		2952
2039	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2040		2954
2041	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2958
2045	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
2046	reliable at some point in the future.	2960	become reliable at some point in the future.
2047		2961
2048	=cut	2962	=cut
2049		2963
2050	sub cf::client::query {	2964	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2973	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2975
2062	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2064	}	2980	}
2065		2981
2066	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	},
2067	on_reply => sub {	2988	on_reply => sub {
2068	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2069		2990
2070	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2071	# get handled first	2992	# get handled first
…		…
2083	} else {	3004	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3006	}
2086	}	3007	}
2087	},	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	},
2088	);	3035	);
2089		3036
2090	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2091		3038
2092	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2135		3082
2136	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2137		3084
2138	$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	));
2139		3090
2140	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2141		3092
2142	=pod	3093	=pod
2143		3094
2144	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2145		3096
2146	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
2147	cf::object::player player	3101	cf::object::player
2148	cf::player peaceful	3102	player
2149	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2150		3109
2151	=cut	3110	=cut
2152		3111
2153	for (	3112	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2158	) {	3119	) {
2159	no strict 'refs';	3120	no strict 'refs';
…		…
2230	=back	3191	=back
2231		3192
2232	=cut	3193	=cut
2233		3194
2234	#############################################################################	3195	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3196	# the server's init and main functions
2308		3197
2309	sub load_facedata {	3198	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3206
2312	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2313		3208
2314	my $facedata;	3209	my $facedata;
2315	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2319		3214
2320	$facedata->{version} == 2	3215	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	3225	{
2324	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2325		3227
2326	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3235
		3236	cf::cede_to_tick;
2332	}	3237	}
2333		3238
2334	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2336	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2337	or next;	3243	or next;
		3244
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3248	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3250	}
2343	Coro::cede;	3251
		3252	cf::cede_to_tick;
2344	}	3253	}
2345	}	3254	}
2346		3255
2347	{	3256	{
2348	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2349		3258
2350	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3261	cf::cede_to_tick;
2353	}	3262	}
2354		3263
2355	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2356	}	3265	}
2357		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2358	1	3302	1
2359	}	3303	}
2360		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
2361	sub reload_resources {	3372	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3373	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3374
2364	load_facedata	3375	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3376	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3377	reload_regions;
2370	}	3378	reload_treasures;
2371		3379
2372	sub cfg_load {	3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3385	or return;
2375		3386
2376	local $/;	3387	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2378		3389
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3391
2381	$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};
2382	$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};
…		…
2388	};	3399	};
2389	warn $@ if $@;	3400	warn $@ if $@;
2390	}	3401	}
2391	}	3402	}
2392		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
2393	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
2394	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2396	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#
2397	(async {	3442	(async {
2398	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2400	};	3446	};
2401		3447
2402	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2403	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
2404	load_extensions;	3466	load_extensions;
2405		3467
2406	$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
2407	Event::loop;	3476	EV::loop;
2408	}	3477	}
2409		3478
2410	#############################################################################	3479	#############################################################################
2411	# initialisation and cleanup	3480	# initialisation and cleanup
2412		3481
2413	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2414	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	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 };
2426	}	3576	}
2427		3577
2428	sub emergency_save() {	3578	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2430		3580
2431	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2432		3582
2433	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
2434	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3597	$pl->save;
2442	}	3598	}
2443	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2444		3600
2445	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3604	$map->valid or next;
2449	$map->save;	3605	$map->save;
2450	}	3606	}
2451	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2452		3608
2453	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2455	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";
2456	};	3616	};
2457		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
2458	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2459	}	3624	}
2460		3625
2461	sub post_cleanup {	3626	sub post_cleanup {
2462	my ($make_core) = @_;	3627	my ($make_core) = @_;
2463		3628
2464	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3630	if $make_core;
2466	}
2467		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 $pkg\n";#d#
		3660	}
		3661
2468	sub reload() {	3662	sub do_reload_perl() {
2469	# can/must only be called in main	3663	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2472	return;	3666	return;
2473	}	3667	}
2474		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2475	warn "reloading...";	3674	warn "reloading...";
2476		3675
2477	warn "entering sync_job";	3676	warn "entering sync_job";
2478		3677
2479	cf::sync_job {	3678	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3680	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2483		3682
2484	warn "syncing database to disk";	3683	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3685
2487	# 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
2488		3687
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3691	}
2525		3692
2526	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2528	}	3695	%EXT_CORO = ();
2529		3696
2530	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3706	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3707
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2541	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2542	}	3717	}
2543		3718
2544	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 $k;
2545	}	3734	}
2546		3735
2547	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2549	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);
2550		3739
2551	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2553		3743
2554	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3745	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2557		3747
2558	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2559		3749
2560	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2561	require cf;	3751	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3753
2564	warn "loading config and database again";	3754	warn "loading config and database again";
2565	cf::cfg_load;	3755	cf::reload_config;
2566		3756
2567	warn "loading extensions";	3757	warn "loading extensions";
2568	cf::load_extensions;	3758	cf::load_extensions;
2569		3759
		3760	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2576		3768
2577	warn "loading reloadable resources";	3769	warn "running post_init jobs";
2578	reload_resources;	3770	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3771
2580	warn "leaving sync_job";	3772	warn "leaving sync_job";
2581		3773
2582	1	3774	1
2583	} or do {	3775	} or do {
2584	warn $@;	3776	warn $@;
2585	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3778	};
		3779
		3780	warn "reloaded";
		3781	--$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	};
2587	};	3801	};
2588		3802	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3803
2594	register_command "reload" => sub {	3804	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2596		3806
2597	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
2599		3809	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3810	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3811	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3812	};
2612	}	3813	}
2613	};	3814	};
2614		3815
2615	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2616		3817
2617	my $bug_warning = 0;	3818	my $bug_warning = 0;
2618		3819
2619	$TICK_WATCHER = Event->timer (	3820	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3821	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3822
2622	prio => 0,	3823	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3825
2625	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	$signal->wait;
		3837	}
		3838
		3839	sub tick {
2626	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2629	return;	3843	return;
2630	}	3844	}
2631		3845
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3847
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3850	Coro::async_pool {
		3851	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3852	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3854	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3855	}
2658	);	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	}
2659		3875
2660	{	3876	{
2661	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3878
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2671		3880	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3882
2687	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2688	$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);
2689		3890
2690	cf::sync_job {	3891	cf::sync_job {
2691	eval {	3892	eval {
2692	BDB::db_env_open	3893	BDB::db_env_open
2693	$DB_ENV,	3894	$DB_ENV,
2694	$BDB_ENV_DIR,	3895	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3898	0666;
2698		3899
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3901	};
2704		3902
2705	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3904	};
2707	}	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	};
2708	}	3916	}
2709		3917
2710	{	3918	{
		3919	# configure IO::AIO
		3920
2711	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	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;
2724		3970
2725	END { cf::emergency_save }	3971	END { cf::emergency_save }
2726		3972
2727	1	3973	1
2728		3974

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