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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 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
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		74
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		76
45	our %COMMAND = ();	77	our %COMMAND = ();
46	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
47		79
48	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
52		85
53	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	87	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		88
57	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	90	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	107	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	113	our $DB_ENV;
67		114
68	our %CFG;	115	our %CFG;
69		116
70	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
72		120
73	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		124
82	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		136
85	binmode STDOUT;	137	binmode STDOUT;
86	binmode STDERR;	138	binmode STDERR;
87		139
88	# read virtual server time, if available	140	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
93	}	145	}
94		146
95	mkdir cf::localdir;	147	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		149
102	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
103		151
104	sub cf::map::normalise;	152	sub cf::map::normalise;
105		153
…		…
116	=item $cf::RUNTIME	164	=item $cf::RUNTIME
117		165
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	166	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	167	every server tick.
120		168
121	=item $cf::LIBDIR	169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		172
123	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		175	unique-items directory, player file directory, random maps directory and
		176	database environment.
125		177
126	=item $cf::NOW	178	=item $cf::NOW
127		179
128	The time of the last (current) server tick.	180	The time of the last (current) server tick.
129		181
130	=item $cf::TICK	182	=item $cf::TICK
131		183
132	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
133		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
134	=item %cf::CFG	196	=item %cf::CFG
135		197
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	199	from wherever your confdir points to.
138		200
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		202
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	204	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	205	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
145		212
146	=back	213	=back
147		214
148	=cut	215	=cut
149		216
150	BEGIN {	217	BEGIN {
151	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	219	my $msg = join "", @_;
153	utf8::encode $msg;
154		220
155	$msg .= "\n"	221	$msg .= "\n"
156	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
157		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
158	LOG llevError, $msg;	226	LOG llevError, $msg;
159	};	227	};
160	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
161		244
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		252
169	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	254	# within the Safe compartment.
171	for my $pkg (qw(	255	for my $pkg (qw(
172	cf::global cf::attachable	256	cf::global cf::attachable
173	cf::object cf::object::player	257	cf::object cf::object::player
174	cf::client cf::player	258	cf::client cf::player
175	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
176	cf::map cf::party cf::region	261	cf::party cf::region
177	)) {	262	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	264	}
181		265
182	$Event::DIED = sub {	266	$EV::DIED = sub {
183	warn "error in event callback: @_";	267	warn "error in event callback: @_";
184	};	268	};
		269
		270	#############################################################################
185		271
186	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
187		273
188	=over 4	274	=over 4
189		275
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	295	$d
210	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
211	}	297	}
212		298
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
216		300
217	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
218		302
219	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
220		304
221	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
		306
		307	=cut
		308
		309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		310
		311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
222		327
223	=item cf::lock_wait $string	328	=item cf::lock_wait $string
224		329
225	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
226		331
…		…
229	Wait until the given lock is available and then acquires it and returns	334	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
232	returned.	337	returned.
233		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
234	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
236		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
237	=cut	349	=cut
238		350
239	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
240		353
241	sub lock_wait($) {	354	sub lock_wait($) {
242	my ($key) = @_;	355	my ($key) = @_;
243		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
244	# wait for lock, if any	362	# wait for lock, if any
245	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
246	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	366	Coro::schedule;
248	}	367	}
249	}	368	}
250		369
…		…
253		372
254	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
255	lock_wait $key;	374	lock_wait $key;
256		375
257	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
258		378
259	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
262	}	383	}
263	}	384	}
264		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
265	sub freeze_mainloop {	392	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
267		394
268	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
270	};	456	}
271	$TICK_WATCHER->stop;	457	};
272	$guard	458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
273	}	471	}
274		472
275	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
276		474
277	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		480
283	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
284		482
285	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
286		484
287	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
290		489
291	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
294	fast or be very important.	493	fast or be very important.
…		…
297		496
298	sub sync_job(&) {	497	sub sync_job(&) {
299	my ($job) = @_;	498	my ($job) = @_;
300		499
301	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
302	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
304		505
305	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	507
307	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
308		509
309	my $busy = 1;	510	my $busy = 1;
310	my @res;	511	my @res;
311		512
312	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	515	@res = eval { $job->() };
314	warn $@ if $@;	516	warn $@ if $@;
315	undef $busy;	517	undef $busy;
316	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
317		519
318	while ($busy) {	520	while ($busy) {
319	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
320	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
321		531
322	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
323	} else {	533	} else {
324	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
325		535
…		…
345	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
346		556
347	$coro	557	$coro
348	}	558	}
349		559
350	sub write_runtime {	560	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		561
353	my $runtime = cf::localdir . "/runtime";	562	Executes the given code block with the given arguments in a seperate
		563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
354		566
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	567	=cut
356	or return;
357		568
358	my $value = $cf::RUNTIME + 90 + 10;	569	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	570	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		571
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	572	# we seemingly have to make a local copy of the whole thing,
363	and return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
364		575
365	# always fsync - this file is important	576	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	577	reset_signals;
367	and return;	578	&$cb
		579	}, @args;
368		580
369	close $fh	581	wantarray ? @res : $res[-1]
370	or return;	582	}
371		583
372	aio_rename "$runtime~", $runtime	584	=item $coin = coin_from_name $name
373	and return;
374		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
375	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
376	}	736	}
377		737
378	=item cf::datalog type => key => value, ...	738	=item cf::datalog type => key => value, ...
379		739
380	Log a datalog packet of the given type with the given key-value pairs.	740	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		752
393	#############################################################################	753	#############################################################################
394		754
395	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
396		756
397	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
400		760
401	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	763	Deliantra).
404		764
405	=over 4	765	=over 4
406		766
407	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
408		768
…		…
452	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
453		813
454	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
456		816
457	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
459		819
460	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
461		821
462	=over 4	822	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
572		932
573	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		937
578	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	939	my $pkg = shift @arg;
580		940
581	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
611	}	971	}
612		972
613	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
614	} else {	974	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	976	}
617		977
618	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
619	}	979	}
620		980
…		…
622	if (ref $_[0]) {	982	if (ref $_[0]) {
623	_object_attach @_;	983	_object_attach @_;
624	} else {	984	} else {
625	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
626	}	986	}
		987	_recalc_want;
627	};	988	};
628		989
629	# all those should be optimised	990	# all those should be optimised
630	sub cf::attachable::detach {	991	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
635	reattach ($obj);	996	reattach ($obj);
636	} else {	997	} else {
637	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
638	}	999	}
		1000	_recalc_want;
639	};	1001	};
640		1002
641	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
643		1005
…		…
658	";	1020	";
659	die if $@;	1021	die if $@;
660	}	1022	}
661		1023
662	our $override;	1024	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1026
665	sub override {	1027	sub override {
666	$override = 1;	1028	$override = 1;
667	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
668	}	1030	}
669		1031
670	sub do_invoke {	1032	sub do_invoke {
671	my $event = shift;	1033	my $event = shift;
672	my $callbacks = shift;	1034	my $callbacks = shift;
673		1035
674	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
675		1037
676	local $override;	1038	local $override;
677		1039
678	for (@$callbacks) {	1040	for (@$callbacks) {
679	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
688	}	1050	}
689		1051
690	0	1052	0
691	}	1053	}
692		1054
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1056
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1058
697	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
698		1060
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1064
703	=back	1065	=back
704		1066
705	=cut	1067	=cut
706		1068
707	#############################################################################	1069	#############################################################################
708	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
709		1113
710	sub reattach {	1114	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1116	my ($obj) = @_;
713		1117
		1118	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1120
716	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
717		1122
718	@$registry = ();	1123	@$registry = ();
719		1124
…		…
734	cf::attachable->attach (	1139	cf::attachable->attach (
735	prio => -1000000,	1140	prio => -1000000,
736	on_instantiate => sub {	1141	on_instantiate => sub {
737	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
738		1143
739	$data = from_json $data;	1144	$data = decode_json $data;
740		1145
741	for (@$data) {	1146	for (@$data) {
742	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
743		1148
744	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1165	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
762		1167
763	sync_job {	1168	sync_job {
764	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
767		1173
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1178	aio_close $fh;
773		1179
774	if (@$objs) {	1180	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1186	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
782	}	1188	}
783	} else {	1189	} else {
784	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
785	}	1191	}
786		1192
787	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1197	} else {
789	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
790	}	1199	}
791	} else {	1200	} else {
792	aio_unlink $filename;	1201	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
794	}	1203	}
795	}	1204	};
796	}	1205	}
797		1206
798	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
800		1209
…		…
812	or return;	1221	or return;
813		1222
814	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
816	or return;	1225	or return;
		1226
817	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
818	}	1229	}
819		1230
		1231	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
822	return ($data, $av);	1235	($data, $av)
823	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
824		1243
825	#############################################################################	1244	#############################################################################
826	# command handling &c	1245	# command handling &c
827		1246
828	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1261	}
843		1262
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1264
846	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
847		1270
848	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
849	called.	1272	called.
850		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
851	=cut	1285	=cut
852		1286
853	sub register_extcmd {	1287	sub register_extcmd {
854	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
855		1289
856	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
857	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
858		1300
859	cf::player->attach (	1301	cf::player->attach (
860	on_command => sub {	1302	on_command => sub {
861	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
862		1304
…		…
870	cf::override;	1312	cf::override;
871	},	1313	},
872	on_extcmd => sub {	1314	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
874		1316
875	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1318
877	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
883	} else {	1334	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1336	}
886		1337
887	cf::override;	1338	cf::override;
888	},	1339	},
889	);	1340	);
890		1341
		1342	# "readahead" all extensions
891	sub load_extension {	1343	sub cache_extensions {
892	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
893		1345
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
895	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1349	}
919	die $@;
920	}	1350	};
921		1351
922	push @EXTS, $pkg;	1352	$grp
923	}	1353	}
924		1354
925	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
926	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1360	next unless -r $path;
928	eval {	1361
929	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
930	1	1418	}
931	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
932	}	1424	};
933	}	1425	}
934		1426
935	#############################################################################	1427	#############################################################################
936		1428
		1429	=back
		1430
937	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
938		1432
939	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
940		1434
941	=cut	1435	=cut
942		1436
943	package cf::player;	1437	package cf::player;
944		1438
…		…
946		1440
947	=head3 cf::player	1441	=head3 cf::player
948		1442
949	=over 4	1443	=over 4
950		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
		1458
951	=item cf::player::find $login	1459	=item cf::player::find $login
952		1460
953	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
954		1462
955	=cut	1463	=cut
956		1464
957	sub playerdir($) {	1465	sub playerdir($) {
958	cf::localdir	1466	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1468	}
964		1469
965	sub path($) {	1470	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1481
977	sub exists($) {	1482	sub exists($) {
978	my ($login) = @_;	1483	my ($login) = @_;
979		1484
980	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
982	}	1487	}
983		1488
984	sub find($) {	1489	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1491	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
997		1502
998	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
999	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1001	}	1512	}
1002	}	1513	}
1003	}	1514	}
1004		1515
…		…
1013	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1014		1525
1015	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1017		1528
		1529	cf::get_slot 0.01;
		1530
1018	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1019	Coro::cede;	1532	cf::cede_to_tick;
1020	}	1533	}
1021		1534
1022	sub new($) {	1535	sub new($) {
1023	my ($login) = @_;	1536	my ($login) = @_;
1024		1537
…		…
1030	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1031		1544
1032	$self	1545	$self
1033	}	1546	}
1034		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1035	=item $pl->quit_character	1558	=item $pl->quit_character
1036		1559
1037	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1039		1562
…		…
1043	my ($pl) = @_;	1566	my ($pl) = @_;
1044		1567
1045	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1046		1569
1047	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1572
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1054		1579
1055	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1087		1612
1088	=cut	1613	=cut
1089		1614
1090	sub list_logins {	1615	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1617	or return [];
1093		1618
1094	my @logins;	1619	my @logins;
1095		1620
1096	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1100		1631
1101	utf8::decode $login;	1632	utf8::decode $login;
1102	push @logins, $login;	1633	push @logins, $login;
1103	}	1634	}
1104		1635
…		…
1131	}	1662	}
1132		1663
1133	\@paths	1664	\@paths
1134	}	1665	}
1135		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1136	=item $player->ext_reply ($msgid, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1137		1672
1138	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1139		1674
1140	=cut	1675	=cut
1141		1676
1142	sub ext_reply($$%) {	1677	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1144		1679
1145	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1681	}
1149		1682
1150	=item $player->ext_event ($type, %msg)	1683	=item $player->ext_msg ($type, @msg)
1151		1684
1152	Sends an ext event to the client.	1685	Sends an ext event to the client.
1153		1686
1154	=cut	1687	=cut
1155		1688
1156	sub ext_event($$%) {	1689	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1690	my ($self, $type, @msg) = @_;
1158		1691
1159	$self->ns->ext_event ($type, %msg);	1692	$self->ns->ext_msg ($type, @msg);
1160	}	1693	}
1161		1694
1162	package cf;	1695	=head3 cf::region
		1696
		1697	=over 4
		1698
		1699	=cut
		1700
		1701	package cf::region;
		1702
		1703	=item cf::region::find_by_path $path
		1704
		1705	Tries to decuce the likely region for a map knowing only its path.
		1706
		1707	=cut
		1708
		1709	sub find_by_path($) {
		1710	my ($path) = @_;
		1711
		1712	my ($match, $specificity);
		1713
		1714	for my $region (list) {
		1715	if ($region->{match} && $path =~ $region->{match}) {
		1716	($match, $specificity) = ($region, $region->specificity)
		1717	if $region->specificity > $specificity;
		1718	}
		1719	}
		1720
		1721	$match
		1722	}
1163		1723
1164	=back	1724	=back
1165
1166		1725
1167	=head3 cf::map	1726	=head3 cf::map
1168		1727
1169	=over 4	1728	=over 4
1170		1729
…		…
1182	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1184		1743
1185	sub generate_random_map {	1744	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1187	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1750	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1787	my ($self, $merge) = @_;
1226		1788
1227	# we have to keep some variables in memory intact	1789	# we have to keep some variables in memory intact
1228	local $self->{path};	1790	local $self->{path};
1229	local $self->{load_path};	1791	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1792
1233	$self->SUPER::thawer_merge ($merge);	1793	$self->SUPER::thawer_merge ($merge);
1234	}	1794	}
1235		1795
1236	sub normalise {	1796	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1843	$self->init; # pass $1 etc.
1284	return $self;	1844	return $self;
1285	}	1845	}
1286	}	1846	}
1287		1847
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1849	()
1290	}	1850	}
1291		1851
1292	sub init {	1852	sub init {
1293	my ($self) = @_;	1853	my ($self) = @_;
…		…
1308		1868
1309	# the original (read-only) location	1869	# the original (read-only) location
1310	sub load_path {	1870	sub load_path {
1311	my ($self) = @_;	1871	my ($self) = @_;
1312		1872
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1873	"$MAPDIR/$self->{path}.map"
1314	}	1874	}
1315		1875
1316	# the temporary/swap location	1876	# the temporary/swap location
1317	sub save_path {	1877	sub save_path {
1318	my ($self) = @_;	1878	my ($self) = @_;
1319		1879
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1881	"$TMPDIR/$path.map"
1322	}	1882	}
1323		1883
1324	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1325	sub uniq_path {	1885	sub uniq_path {
1326	my ($self) = @_;	1886	my ($self) = @_;
1327		1887
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1889	"$UNIQUEDIR/$path"
1330	}	1890	}
1331		1891
1332	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1333	# all maps in C++...	1893	# all maps in C++...
1334	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1336		1896
1337	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1339	}	1899	}
1340		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
1341	sub unlink_save {	1909	sub unlink_save {
1342	my ($self) = @_;	1910	my ($self) = @_;
1343		1911
1344	utf8::encode (my $save = $self->save_path);	1912	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1916
1349	sub load_header_from($) {	1917	sub load_header_from($) {
1350	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1351		1919
1352	utf8::encode $path;	1920	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1358		1929
1359	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1360		1931
1361	1	1932	1
1362	}	1933	}
…		…
1401	$self->load_header_orig	1972	$self->load_header_orig
1402	or return;	1973	or return;
1403	$self->prepare_orig;	1974	$self->prepare_orig;
1404	}	1975	}
1405		1976
		1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
		1979
		1980	$self->default_region (cf::region::find_by_path $self->{path})
		1981	unless $self->default_region;
		1982
1406	1	1983	1
1407	}	1984	}
1408		1985
1409	sub find;	1986	sub find;
1410	sub find {	1987	sub find {
1411	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1412		1989
1413	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1414		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1416		1994
1417	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1419	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1420	or return;	2000	or return;
1421		2001
1422	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1423		2003
1424	$map->load_header	2004	$map->load_header
1425	or return;	2005	or return;
1426		2006
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1430	$map->reset;	2012	$map->reset;
1431	undef $guard;
1432	return find $path;	2013	return find $path;
1433	}	2014	}
1434		2015
1435	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1436	}	2017	}
…		…
1443	my ($self) = @_;	2024	my ($self) = @_;
1444		2025
1445	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1446		2027
1447	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1449		2032
		2033	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2035
1452	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1453		2037
1454	$self->alloc;	2038	$self->alloc;
1455		2039
1456	$self->pre_load;	2040	$self->pre_load;
		2041	cf::cede_to_tick;
1457		2042
1458	$self->_load_objects ($self->{load_path}, 1)	2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1459	or return;	2046	or return;
1460		2047
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1462	if delete $self->{load_original};	2049	if delete $self->{load_original};
1463		2050
1464	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2052	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2055	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1469	}	2059	}
1470	}	2060	}
1471		2061
1472	Coro::cede;	2062	$f->resolve_delayed_derefs;
1473		2063
		2064	cf::cede_to_tick;
1474	# now do the right thing for maps	2065	# now do the right thing for maps
1475	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2068	unless $self->difficulty;
1485	Coro::cede;	2069	cf::cede_to_tick;
		2070
		2071	unless ($self->{deny_activate}) {
		2072	$self->decay_objects;
		2073	$self->fix_auto_apply;
		2074	$self->update_buttons;
		2075	cf::cede_to_tick;
		2076	$self->set_darkness_map;
		2077	cf::cede_to_tick;
1486	$self->activate;	2078	$self->activate;
		2079	}
		2080
		2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
		2083
		2084	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2085	}
1488		2086
1489	$self->post_load;	2087	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2088	}
1493		2089
1494	sub customise_for {	2090	sub customise_for {
1495	my ($self, $ob) = @_;	2091	my ($self, $ob) = @_;
1496		2092
1497	return find "~" . $ob->name . "/" . $self->{path}	2093	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2094	if $self->per_player;
1499		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
1500	$self	2099	$self
1501	}	2100	}
1502		2101
1503	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2103	sub load_neighbours {
1505	my ($map) = @_;	2104	my ($map) = @_;
1506		2105
1507	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1508		2107
1509	for (0 .. 3) {	2108	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1511	or next;	2110	or next;
1512	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1513	or next;	2112	or next;
1514	$neigh->load;	2113	$neigh->load;
1515		2114
		2115	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2118	}
1519		2119
1520	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1522	or next;	2123	or next;
1523	$neigh->load;	2124	$neigh->load;
1524	}	2125	}
1525	}	2126	}
1526		2127
…		…
1531	}	2132	}
1532		2133
1533	sub do_load_sync {	2134	sub do_load_sync {
1534	my ($map) = @_;	2135	my ($map) = @_;
1535		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1536	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1537	}	2141	}
1538		2142
1539	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2144	our $MAP_PREFETCHER = undef;
1541		2145
1542	sub find_async {	2146	sub find_async {
1543	my ($path, $origin) = @_;	2147	my ($path, $origin, $load) = @_;
1544		2148
1545	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1546		2150
1547	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2153	}
1550		2154
1551	undef $MAP_PREFETCH{$path};	2155	$MAP_PREFETCH{$path} |= $load;
		2156
1552	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1553	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2162	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2163	$map->load if $v;
		2164	}
1558		2165
1559	delete $MAP_PREFETCH{$path};	2166	delete $MAP_PREFETCH{$k};
1560	}	2167	}
1561	}	2168	}
1562	undef $MAP_PREFETCHER;	2169	undef $MAP_PREFETCHER;
1563	};	2170	};
1564	$MAP_PREFETCHER->prio (6);	2171	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2174	}
1568		2175
1569	sub save {	2176	sub save {
1570	my ($self) = @_;	2177	my ($self) = @_;
1571		2178
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2180
1574	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1575		2182
1576	return unless $self->dirty;	2183	return unless $self->dirty;
1577		2184
…		…
1583	return if $self->{deny_save};	2190	return if $self->{deny_save};
1584		2191
1585	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1586		2193
1587	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1589	};	2197	};
		2198
		2199	cf::get_slot 0.02;
1590		2200
1591	if ($uniq) {	2201	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2204	} else {
…		…
1600	my ($self) = @_;	2210	my ($self) = @_;
1601		2211
1602	# save first because save cedes	2212	# save first because save cedes
1603	$self->save;	2213	$self->save;
1604		2214
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2216
1607	return if $self->players;	2217	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2219	return if $self->{deny_save};
1610		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2225	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2226	}
1614		2227
1615	sub reset_at {	2228	sub reset_at {
1616	my ($self) = @_;	2229	my ($self) = @_;
1617		2230
1618	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1621		2233
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2236
…		…
1635	my ($self) = @_;	2247	my ($self) = @_;
1636		2248
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2250
1639	return if $self->players;	2251	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2252
1642	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
1643		2254
1644	$self->in_memory (cf::MAP_SWAPPED);	2255	$self->in_memory (cf::MAP_SWAPPED);
1645		2256
1646	# need to save uniques path	2257	# need to save uniques path
1647	unless ($self->{deny_save}) {	2258	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2262	if $uniq;
1652	}	2263	}
1653		2264
1654	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1655		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2269	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2270
1660	$self->unlink_save;	2271	$self->unlink_save;
1661	$self->destroy;	2272	$self->destroy;
1662	}	2273	}
1663		2274
1664	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1665		2276
1666	sub nuke {	2277	sub nuke {
1667	my ($self) = @_;	2278	my ($self) = @_;
1668		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
1669	delete $cf::MAP{$self->path};	2283	delete $cf::MAP{$self->path};
1670		2284
1671	$self->unlink_save;	2285	$self->unlink_save;
1672		2286
1673	bless $self, "cf::map";	2287	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2288	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2292
1679	$cf::MAP{$self->path} = $self;	2293	$cf::MAP{$self->path} = $self;
		2294	}
1680		2295
1681	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
		2297	}
		2298
		2299	=item $maps = cf::map::tmp_maps
		2300
		2301	Returns an arrayref with all map paths of currently instantiated and saved
		2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
		2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
		2316
		2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1682	}	2333	}
1683		2334
1684	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1685		2336
1686	Returns an arrayref of paths of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2338	instantiated unique items. May block.
1688		2339
1689	=cut	2340	=cut
1690		2341
1691	sub unique_maps() {	2342	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1693	or return;	2344	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2345	utf8::decode $_;
1699	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2348	? ()
1702	push @paths, cf::map::normalise $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2351	]
1704
1705	\@paths
1706	}	2352	}
1707
1708	package cf;
1709		2353
1710	=back	2354	=back
1711		2355
1712	=head3 cf::object	2356	=head3 cf::object
1713		2357
…		…
1717		2361
1718	=over 4	2362	=over 4
1719		2363
1720	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1721		2365
1722	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1723		2368
1724	=cut	2369	=cut
1725		2370
1726	sub inv_recursive_;	2371	sub inv_recursive_;
1727	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1730		2375
1731	sub inv_recursive {	2376	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1733	}	2378	}
1734		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1735	package cf;	2408	package cf;
1736		2409
1737	=back	2410	=back
1738		2411
1739	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1748		2421
1749	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1750		2437
1751	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2439	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1756		2443
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2445
1759	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1761	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1764	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1765	}	2471	}
1766		2472
1767	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1768		2474
1769	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1782		2488
1783	=item $player_object->enter_link	2489	=item $player_object->enter_link
1784		2490
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2492
1787	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
1789		2497
1790	Will never block.	2498	Will never block.
1791		2499
1792	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1793		2501
…		…
1816	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1817		2525
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2527
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1822		2530
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2532	}
1825		2533
1826	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1828		2538
1829	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1830		2540
1831	unless ($map) {	2541	unless ($map) {
1832	# restore original map position	2542	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1849		2559
1850	$map->load;	2560	$map->load;
1851	$map->load_diag;	2561	$map->load_neighbours;
1852		2562
1853	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1854	$self->activate_recursive;	2565	$self->activate_recursive;
1855		2566
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1858	}	2569	}
1859		2570
1860	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2572
1864	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1868	};	2577	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2578
1874	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2581
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1895		2585
1896	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
		2588
		2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2591
1899	$self->enter_link;	2592	$self->enter_link;
1900		2593
1901	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
1902	my $map = eval {	2616	my $map = eval {
1903	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
		2621	$map = $check->($map) if $check && $map;
		2622	} else {
		2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
		2625
1905	$map	2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2632	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1910	})->prio (1);	2640	})->prio (1);
1911	}	2641	}
1912		2642
1913	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1914		2644
…		…
1934	}	2664	}
1935		2665
1936	sub prepare_random_map {	2666	sub prepare_random_map {
1937	my ($exit) = @_;	2667	my ($exit) = @_;
1938		2668
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2671	# that depends on the exit object
1944		2672
1945	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2675	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1952	}	2682	}
1953		2683
1954	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1955		2685
1956	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
1959		2689
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2692	undef $fh;
1963	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
1964		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1967	}	2701	}
1968	}	2702	}
1969		2703
1970	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
1972		2706
1973	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1974		2708
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2709	$self->enter_link;
1987		2710
1988	(async {	2711	(async {
1989	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1990	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
1991	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
1992		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
1993	1;	2735	1
1994	}) {	2736	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2741
2000	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2019		2761
2020	utf8::encode $text;	2762	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2764	}
2023		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
2024	=item $client->ext_event ($type, %msg)	2917	=item $client->ext_msg ($type, @msg)
2025		2918
2026	Sends an exti event to the client.	2919	Sends an ext event to the client.
2027		2920
2028	=cut	2921	=cut
2029		2922
2030	sub cf::client::ext_event($$%) {	2923	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2924	my ($self, $type, @msg) = @_;
2032		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2929	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
2035	}	2950	}
2036		2951
2037	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
2038		2953
2039	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2957
2043	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2959	become reliable at some point in the future.
2045		2960
2046	=cut	2961	=cut
2047		2962
2048	sub cf::client::query {	2963	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2972	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2974
2060	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
2062	}	2979	}
2063		2980
2064	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
2065	on_reply => sub {	2987	on_reply => sub {
2066	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
2067		2989
2068	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
2069	# get handled first	2991	# get handled first
…		…
2081	} else {	3003	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3005	}
2084	}	3006	}
2085	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
2086	);	3034	);
2087		3035
2088	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
2089		3037
2090	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2133		3081
2134	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2135		3083
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2137		3089
2138	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2139		3091
2140	=pod	3092	=pod
2141		3093
2142	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2143		3095
2144	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2145	cf::object::player player	3100	cf::object::player
2146	cf::player peaceful	3101	player
2147	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2148		3108
2149	=cut	3109	=cut
2150		3110
2151	for (	3111	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2153	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2156	) {	3118	) {
2157	no strict 'refs';	3119	no strict 'refs';
…		…
2228	=back	3190	=back
2229		3191
2230	=cut	3192	=cut
2231		3193
2232	#############################################################################	3194	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3195	# the server's init and main functions
2306		3196
2307	sub load_facedata {	3197	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3198	my ($path) = @_;
		3199
		3200	# HACK to clear player env face cache, we need some signal framework
		3201	# for this (global event?)
		3202	%ext::player_env::MUSIC_FACE_CACHE = ();
		3203
		3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3205
2310	warn "loading facedata from $path\n";	3206	warn "loading facedata from $path\n";
2311		3207
2312	my $facedata;	3208	my $facedata;
2313	0 < aio_load $path, $facedata	3209	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3210	or die "$path: $!";
2315		3211
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3212	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3213
2320	$facedata->{version} == 2	3214	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3216
		3217	# patch in the exptable
		3218	$facedata->{resource}{"res/exp_table"} = {
		3219	type => FT_RSRC,
		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3221	};
		3222	cf::cede_to_tick;
		3223
2323	{	3224	{
2324	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2325		3226
2326	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3230	cf::face::set_visibility $idx, $info->{visibility};
		3231	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3234
		3235	cf::cede_to_tick;
2332	}	3236	}
2333		3237
2334	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2336	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2337	or next;	3242	or next;
		3243
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3247	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3249	}
2343	Coro::cede;	3250
		3251	cf::cede_to_tick;
2344	}	3252	}
2345	}	3253	}
2346		3254
2347	{	3255	{
2348	my $anims = $facedata->{animinfo};	3256	my $anims = $facedata->{animinfo};
2349		3257
2350	while (my ($anim, $info) = each %$anims) {	3258	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3260	cf::cede_to_tick;
2353	}	3261	}
2354		3262
2355	cf::anim::invalidate_all; # d'oh	3263	cf::anim::invalidate_all; # d'oh
2356	}	3264	}
2357		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
2358	1	3301	1
2359	}	3302	}
2360		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
		3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
2361	sub reload_resources {	3371	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3372	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3373
2364	load_facedata	3374	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3375	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3376	reload_regions;
2370	}	3377	reload_treasures;
2371		3378
2372	sub cfg_load {	3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3384	or return;
2375		3385
2376	local $/;	3386	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2378		3388
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3390
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$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};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3398	};
2389	warn $@ if $@;	3399	warn $@ if $@;
2390	}	3400	}
2391	}	3401	}
2392		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2393	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2394	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3441	(async {
2398	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
2400	};	3445	};
2401		3446
2402	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
2403	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2404	load_extensions;	3465	load_extensions;
2405		3466
2406	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2407	Event::loop;	3475	EV::loop;
2408	}	3476	}
2409		3477
2410	#############################################################################	3478	#############################################################################
2411	# initialisation and cleanup	3479	# initialisation and cleanup
2412		3480
2413	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2414	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3485	$SIGWATCHER{$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";	3486	cf::cleanup "SIG$signal";
2423	},
2424	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2425	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2426	}	3575	}
2427		3576
2428	sub emergency_save() {	3577	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2430		3579
2431	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2432		3581
2433	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2434	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3596	$pl->save;
2442	}	3597	}
2443	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2444		3599
2445	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3603	$map->valid or next;
2449	$map->save;	3604	$map->save;
2450	}	3605	}
2451	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
2452		3607
2453	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2456	};	3615	};
2457		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2458	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2459	}	3623	}
2460		3624
2461	sub post_cleanup {	3625	sub post_cleanup {
2462	my ($make_core) = @_;	3626	my ($make_core) = @_;
2463		3627
2464	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3629	if $make_core;
2466	}
2467		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2468	sub reload() {	3661	sub do_reload_perl() {
2469	# can/must only be called in main	3662	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
2472	return;	3665	return;
2473	}	3666	}
2474		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2475	warn "reloading...";	3673	warn "reloading...";
2476		3674
2477	warn "entering sync_job";	3675	warn "entering sync_job";
2478		3676
2479	cf::sync_job {	3677	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3679	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
2483		3681
2484	warn "syncing database to disk";	3682	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3684
2487	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2488		3686
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$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	}	3690	}
2525		3691
2526	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
2528	}	3694	%EXT_CORO = ();
2529		3695
2530	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3705	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3706
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2541	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2542	}	3716	}
2543		3717
2544	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2545	}	3733	}
2546		3734
2547	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3738
2551	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2553		3742
2554	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3744	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2557		3746
2558	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
2559		3748
2560	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2561	require cf;	3750	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3752
2564	warn "loading config and database again";	3753	warn "loading config and database again";
2565	cf::cfg_load;	3754	cf::reload_config;
2566		3755
2567	warn "loading extensions";	3756	warn "loading extensions";
2568	cf::load_extensions;	3757	cf::load_extensions;
2569		3758
		3759	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
2576		3767
2577	warn "loading reloadable resources";	3768	warn "running post_init jobs";
2578	reload_resources;	3769	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3770
2580	warn "leaving sync_job";	3771	warn "leaving sync_job";
2581		3772
2582	1	3773	1
2583	} or do {	3774	} or do {
2584	warn $@;	3775	warn $@;
2585	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2587	};	3800	};
2588		3801	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3802
2594	register_command "reload" => sub {	3803	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2596		3805
2597	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
2599		3808	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3809	$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;	3810	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3811	};
2612	}	3812	}
2613	};	3813	};
2614		3814
2615	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2616		3816
2617	my $bug_warning = 0;	3817	my $bug_warning = 0;
2618		3818
2619	$TICK_WATCHER = Event->timer (	3819	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3820	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3821
2622	prio => 0,	3822	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3823	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3824
2625	cb => sub {	3825	my $signal = new Coro::Signal;
		3826	push @WAIT_FOR_TICK, $signal;
		3827	$signal->wait;
		3828	}
		3829
		3830	sub wait_for_tick_begin {
		3831	return if tick_inhibit || $Coro::current == $Coro::main;
		3832
		3833	my $signal = new Coro::Signal;
		3834	push @WAIT_FOR_TICK_BEGIN, $signal;
		3835	$signal->wait;
		3836	}
		3837
		3838	sub tick {
2626	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
2629	return;	3842	return;
2630	}	3843	}
2631		3844
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3846
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3849	Coro::async_pool {
		3850	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3851	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3853	};
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	},	3854	}
2658	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
2659		3874
2660	{	3875	{
2661	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3877
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;	3878	BDB::min_parallel 8;
2671		3879	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3880	$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	$! = $status;
2683	},
2684	)
2685	};
2686		3881
2687	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3889
2690	cf::sync_job {	3890	cf::sync_job {
2691	eval {	3891	eval {
2692	BDB::db_env_open	3892	BDB::db_env_open
2693	$DB_ENV,	3893	$DB_ENV,
2694	$BDB_ENV_DIR,	3894	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3897	0666;
2698		3898
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3899	cf::cleanup "db_env_open($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	};	3900	};
2704		3901
2705	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3903	};
2707	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
2708	}	3915	}
2709		3916
2710	{	3917	{
		3918	# configure IO::AIO
		3919
2711	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3922	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	}	3923	}
		3924
		3925	my $_log_backtrace;
		3926
		3927	sub _log_backtrace {
		3928	my ($msg, @addr) = @_;
		3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
		3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2724		3969
2725	END { cf::emergency_save }	3970	END { cf::emergency_save }
2726		3971
2727	1	3972	1
2728		3973

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