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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
27		61
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		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";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
29		74
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		76
37	our %COMMAND = ();	77	our %COMMAND = ();
38	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
39		79
40	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
44		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	87	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		88
48	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	90	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	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(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	107	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	113	our $DB_ENV;
58		114
59	our %CFG;	115	our %CFG;
60		116
61	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
63		120
64	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		124
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
76	binmode STDOUT;	135	binmode STDOUT;
77	binmode STDERR;	136	binmode STDERR;
78		137
79	# read virtual server time, if available	138	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
84	}	143	}
85		144
86	mkdir cf::localdir;	145	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		147
93	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
94		149
95	sub cf::map::normalise;	150	sub cf::map::normalise;
96		151
…		…
107	=item $cf::RUNTIME	162	=item $cf::RUNTIME
108		163
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	165	every server tick.
111		166
112	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		170
114	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
116		175
117	=item $cf::NOW	176	=item $cf::NOW
118		177
119	The time of the last (current) server tick.	178	The time of the last (current) server tick.
120		179
121	=item $cf::TICK	180	=item $cf::TICK
122		181
123	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
124		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
125	=item %cf::CFG	194	=item %cf::CFG
126		195
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	197	from wherever your confdir points to.
129		198
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		200
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
136		210
137	=back	211	=back
138		212
139	=cut	213	=cut
140		214
141	BEGIN {	215	BEGIN {
142	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	217	my $msg = join "", @_;
144	utf8::encode $msg;
145		218
146	$msg .= "\n"	219	$msg .= "\n"
147	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
148		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
149	LOG llevError, $msg;	224	LOG llevError, $msg;
150	};	225	};
151	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
152		242
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		250
160	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	252	# within the Safe compartment.
162	for my $pkg (qw(	253	for my $pkg (qw(
163	cf::global cf::attachable	254	cf::global cf::attachable
164	cf::object cf::object::player	255	cf::object cf::object::player
165	cf::client cf::player	256	cf::client cf::player
166	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
167	cf::map cf::party cf::region	259	cf::party cf::region
168	)) {	260	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	262	}
172		263
173	$Event::DIED = sub {	264	$EV::DIED = sub {
174	warn "error in event callback: @_";	265	warn "error in event callback: @_";
175	};	266	};
		267
		268	#############################################################################
176		269
177	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
178		271
179	=over 4	272	=over 4
180		273
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	293	$d
201	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
202	}	295	}
203		296
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
207		298
208	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
209		300
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
218		302
219	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
220		304
221	=cut	305	=cut
222		306
223	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
225	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
226	}	324	}
227		325
228	=item cf::lock_wait $string	326	=item cf::lock_wait $string
229		327
230	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
234	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
237	returned.	335	returned.
238		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
239	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
241		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
242	=cut	347	=cut
243		348
244	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
245		351
246	sub lock_wait($) {	352	sub lock_wait($) {
247	my ($key) = @_;	353	my ($key) = @_;
248		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
249	# wait for lock, if any	360	# wait for lock, if any
250	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
251	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	364	Coro::schedule;
253	}	365	}
254	}	366	}
255		367
…		…
258		370
259	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
260	lock_wait $key;	372	lock_wait $key;
261		373
262	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
263		376
264	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
267	}	381	}
268	}	382	}
269		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
270	sub freeze_mainloop {	390	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
272		392
273	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	394	}
275	$WRITE_RUNTIME_WATCHER->start;	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
276	};	454	}
277	$WRITE_RUNTIME_WATCHER->stop;	455	};
278	$TICK_WATCHER->stop;	456
279	$guard	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
280	}	469	}
281		470
282	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
283		472
284	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		478
290	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
291		480
292	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
293		482
294	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
297		487
298	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
301	fast or be very important.	491	fast or be very important.
…		…
304		494
305	sub sync_job(&) {	495	sub sync_job(&) {
306	my ($job) = @_;	496	my ($job) = @_;
307		497
308	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
309	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
311		503
312	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	505
314	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
315		507
316	my $busy = 1;	508	my $busy = 1;
317	my @res;	509	my @res;
318		510
319	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	513	@res = eval { $job->() };
321	warn $@ if $@;	514	warn $@ if $@;
322	undef $busy;	515	undef $busy;
323	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
324		517
325	while ($busy) {	518	while ($busy) {
326	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
327	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
328		529
329	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
330	} else {	531	} else {
331	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
332		533
…		…
352	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
353		554
354	$coro	555	$coro
355	}	556	}
356		557
357	sub write_runtime {	558	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		559
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	560	Executes the given code block with the given arguments in a seperate
361	or return;	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
362		564
363	my $value = $cf::RUNTIME + 90 + 10;	565	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		566
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	567	sub fork_call(&@) {
368	and return;	568	my ($cb, @args) = @_;
369		569
370	# always fsync - this file is important	570	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	571	# otherwise perl prematurely frees the stuff :/
372	and return;	572	# TODO: investigate and fix (likely this will be rather laborious)
373		573
374	close $fh	574	my @res = Coro::Util::fork_eval {
375	or return;	575	reset_signals;
		576	&$cb
		577	}, @args;
376		578
377	aio_rename "$runtime~", $runtime	579	wantarray ? @res : $res[-1]
378	and return;	580	}
379		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
380	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	745	}
382		746
383	=back	747	=back
384		748
385	=cut	749	=cut
386		750
387	#############################################################################	751	#############################################################################
388		752
389	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
390		754
391	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
394		758
395	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	761	Deliantra).
398		762
399	=over 4	763	=over 4
400		764
401	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
402		766
…		…
446	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
447		811
448	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
450		814
451	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
453		817
454	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
455		819
456	=over 4	820	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
566		930
567	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		935
572	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	937	my $pkg = shift @arg;
574		938
575	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
605	}	969	}
606		970
607	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
608	} else {	972	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	974	}
611		975
612	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
613	}	977	}
614		978
…		…
616	if (ref $_[0]) {	980	if (ref $_[0]) {
617	_object_attach @_;	981	_object_attach @_;
618	} else {	982	} else {
619	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
620	}	984	}
		985	_recalc_want;
621	};	986	};
622		987
623	# all those should be optimised	988	# all those should be optimised
624	sub cf::attachable::detach {	989	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
629	reattach ($obj);	994	reattach ($obj);
630	} else {	995	} else {
631	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
632	}	997	}
		998	_recalc_want;
633	};	999	};
634		1000
635	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
637		1003
…		…
652	";	1018	";
653	die if $@;	1019	die if $@;
654	}	1020	}
655		1021
656	our $override;	1022	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1024
659	sub override {	1025	sub override {
660	$override = 1;	1026	$override = 1;
661	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
662	}	1028	}
663		1029
664	sub do_invoke {	1030	sub do_invoke {
665	my $event = shift;	1031	my $event = shift;
666	my $callbacks = shift;	1032	my $callbacks = shift;
667		1033
668	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
669		1035
670	local $override;	1036	local $override;
671		1037
672	for (@$callbacks) {	1038	for (@$callbacks) {
673	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
682	}	1048	}
683		1049
684	0	1050	0
685	}	1051	}
686		1052
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1054
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1056
691	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
692		1058
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1062
697	=back	1063	=back
698		1064
699	=cut	1065	=cut
700		1066
701	#############################################################################	1067	#############################################################################
702	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
703		1111
704	sub reattach {	1112	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1114	my ($obj) = @_;
707		1115
		1116	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1118
710	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
711		1120
712	@$registry = ();	1121	@$registry = ();
713		1122
…		…
728	cf::attachable->attach (	1137	cf::attachable->attach (
729	prio => -1000000,	1138	prio => -1000000,
730	on_instantiate => sub {	1139	on_instantiate => sub {
731	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
732		1141
733	$data = from_json $data;	1142	$data = decode_json $data;
734		1143
735	for (@$data) {	1144	for (@$data) {
736	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
737		1146
738	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1163	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
756		1165
757	sync_job {	1166	sync_job {
758	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
761		1171
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1176	aio_close $fh;
767		1177
768	if (@$objs) {	1178	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1184	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
776	}	1186	}
777	} else {	1187	} else {
778	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
779	}	1189	}
780		1190
781	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
782	} else {	1195	} else {
783	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
784	}	1197	}
785	} else {	1198	} else {
786	aio_unlink $filename;	1199	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
788	}	1201	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1202	};
796	}	1203	}
797		1204
798	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
800		1207
…		…
805		1212
806	sub object_thawer_load {	1213	sub object_thawer_load {
807	my ($filename) = @_;	1214	my ($filename) = @_;
808		1215
809	my ($data, $av);	1216	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1217
814	(aio_load $filename, $data) >= 0	1218	(aio_load $filename, $data) >= 0
815	or return;	1219	or return;
816		1220
817	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
819	or return;	1223	or return;
		1224
820	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
821	}	1227	}
822		1228
		1229	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
825	return ($data, $av);	1233	($data, $av)
826	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
827		1241
828	#############################################################################	1242	#############################################################################
829	# command handling &c	1243	# command handling &c
830		1244
831	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1259	}
846		1260
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1262
849	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
850		1268
851	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
852	called.	1270	called.
853		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
854	=cut	1283	=cut
855		1284
856	sub register_extcmd {	1285	sub register_extcmd {
857	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
858		1287
859	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
860	}	1295	}
861		1296
862	cf::player->attach (	1297	cf::player->attach (
863	on_command => sub {	1298	on_command => sub {
864	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1308	cf::override;
874	},	1309	},
875	on_extcmd => sub {	1310	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
877		1312
878	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1314
880	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
886	} else {	1330	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1332	}
889		1333
890	cf::override;	1334	cf::override;
891	},	1335	},
892	);	1336	);
893		1337
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
929	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1343	next unless -r $path;
931	eval {	1344
932	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
933	1	1401	}
934	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
935	}	1407	};
936	}	1408	}
937		1409
938	#############################################################################	1410	#############################################################################
939		1411
		1412	=back
		1413
940	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
941		1415
942	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
943		1417
944	=cut	1418	=cut
945		1419
946	package cf::player;	1420	package cf::player;
947		1421
…		…
949		1423
950	=head3 cf::player	1424	=head3 cf::player
951		1425
952	=over 4	1426	=over 4
953		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
954	=item cf::player::find $login	1442	=item cf::player::find $login
955		1443
956	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
957		1445
958	=cut	1446	=cut
959		1447
960	sub playerdir($) {	1448	sub playerdir($) {
961	cf::localdir	1449	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1451	}
967		1452
968	sub path($) {	1453	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1455
971	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
972	}	1457	}
973		1458
974	sub find_active($) {	1459	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
979		1464
980	sub exists($) {	1465	sub exists($) {
981	my ($login) = @_;	1466	my ($login) = @_;
982		1467
983	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
985	}	1470	}
986		1471
987	sub find($) {	1472	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1474	my $login = $_[0];
990		1475
991	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
992		1477
993	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
995	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
997	}	1495	}
998	}	1496	}
999	}	1497	}
1000		1498
…		…
1009	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1010		1508
1011	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1013		1511
		1512	cf::get_slot 0.01;
		1513
1014	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1015	Coro::cede;	1515	cf::cede_to_tick;
1016	}	1516	}
1017		1517
1018	sub new($) {	1518	sub new($) {
1019	my ($login) = @_;	1519	my ($login) = @_;
1020		1520
…		…
1026	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1027		1527
1028	$self	1528	$self
1029	}	1529	}
1030		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1031	=item $pl->quit_character	1541	=item $pl->quit_character
1032		1542
1033	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1035		1545
1036	=cut	1546	=cut
1037		1547
1038	sub quit_character {	1548	sub quit_character {
1039	my ($pl) = @_;	1549	my ($pl) = @_;
1040		1550
		1551	my $name = $pl->ob->name;
		1552
1041	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1555
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1048		1562
1049	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1565	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1566	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1567	$pl->destroy;
		1568
		1569	my $prefix = qr<^~\Q$name\E/>;
		1570
		1571	# nuke player maps
		1572	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1573
1054	IO::AIO::aio_rmtree $temp;	1574	IO::AIO::aio_rmtree $temp;
		1575	}
		1576
		1577	=item $pl->kick
		1578
		1579	Kicks a player out of the game. This destroys the connection.
		1580
		1581	=cut
		1582
		1583	sub kick {
		1584	my ($pl, $kicker) = @_;
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1587	$pl->killer ("kicked");
		1588	$pl->ns->destroy;
1055	}	1589	}
1056		1590
1057	=item cf::player::list_logins	1591	=item cf::player::list_logins
1058		1592
1059	Returns am arrayref of all valid playernames in the system, can take a	1593	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1061		1595
1062	=cut	1596	=cut
1063		1597
1064	sub list_logins {	1598	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1600	or return [];
1067		1601
1068	my @logins;	1602	my @logins;
1069		1603
1070	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1074		1614
1075	utf8::decode $login;	1615	utf8::decode $login;
1076	push @logins, $login;	1616	push @logins, $login;
1077	}	1617	}
1078		1618
…		…
1105	}	1645	}
1106		1646
1107	\@paths	1647	\@paths
1108	}	1648	}
1109		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1111		1655
1112	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1113		1657
1114	=cut	1658	=cut
1115		1659
1116	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1118		1662
1119	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1664	}
1123		1665
1124	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1125		1706
1126	=back	1707	=back
1127
1128		1708
1129	=head3 cf::map	1709	=head3 cf::map
1130		1710
1131	=over 4	1711	=over 4
1132		1712
…		…
1144	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1146		1726
1147	sub generate_random_map {	1727	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1149	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1733	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1188		1771
1189	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1190	local $self->{path};	1773	local $self->{path};
1191	local $self->{load_path};	1774	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1775
1195	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1196	}	1777	}
1197		1778
1198	sub normalise {	1779	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1246	return $self;	1827	return $self;
1247	}	1828	}
1248	}	1829	}
1249		1830
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1832	()
1252	}	1833	}
1253		1834
1254	sub init {	1835	sub init {
1255	my ($self) = @_;	1836	my ($self) = @_;
…		…
1270		1851
1271	# the original (read-only) location	1852	# the original (read-only) location
1272	sub load_path {	1853	sub load_path {
1273	my ($self) = @_;	1854	my ($self) = @_;
1274		1855
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1276	}	1857	}
1277		1858
1278	# the temporary/swap location	1859	# the temporary/swap location
1279	sub save_path {	1860	sub save_path {
1280	my ($self) = @_;	1861	my ($self) = @_;
1281		1862
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1284	}	1865	}
1285		1866
1286	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1287	sub uniq_path {	1868	sub uniq_path {
1288	my ($self) = @_;	1869	my ($self) = @_;
1289		1870
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1292	}	1873	}
1293		1874
1294	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1295	# all maps in C++...	1876	# all maps in C++...
1296	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1298		1879
1299	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1301	}	1882	}
1302		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1303	sub unlink_save {	1892	sub unlink_save {
1304	my ($self) = @_;	1893	my ($self) = @_;
1305		1894
1306	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1898	}
1315		1899
1316	sub load_header_from($) {	1900	sub load_header_from($) {
1317	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1318		1902
1319	utf8::encode $path;	1903	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1325		1912
1326	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1327		1914
1328	1	1915	1
1329	}	1916	}
…		…
1368	$self->load_header_orig	1955	$self->load_header_orig
1369	or return;	1956	or return;
1370	$self->prepare_orig;	1957	$self->prepare_orig;
1371	}	1958	}
1372		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1373	1	1966	1
1374	}	1967	}
1375		1968
1376	sub find;	1969	sub find;
1377	sub find {	1970	sub find {
1378	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1379		1972
1380	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1381		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1383		1977
1384	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1386	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1387	or return;	1983	or return;
1388		1984
1389	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1390		1986
1391	$map->load_header	1987	$map->load_header
1392	or return;	1988	or return;
1393		1989
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1397	$map->reset;	1995	$map->reset;
1398	undef $guard;
1399	return find $path;	1996	return find $path;
1400	}	1997	}
1401		1998
1402	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1403	}	2000	}
…		…
1410	my ($self) = @_;	2007	my ($self) = @_;
1411		2008
1412	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1413		2010
1414	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1416		2015
		2016	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2018
1419	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1420		2020
1421	$self->alloc;	2021	$self->alloc;
1422		2022
1423	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1424		2025
1425	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1426	or return;	2029	or return;
1427		2030
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1429	if delete $self->{load_original};	2032	if delete $self->{load_original};
1430		2033
1431	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2035	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2038	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1436	}	2042	}
1437	}	2043	}
1438		2044
1439	Coro::cede;	2045	$f->resolve_delayed_derefs;
1440		2046
		2047	cf::cede_to_tick;
1441	# now do the right thing for maps	2048	# now do the right thing for maps
1442	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2051	unless $self->difficulty;
1452	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1453	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2068	}
1455		2069
1456	$self->post_load;	2070	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2071	}
1460		2072
1461	sub customise_for {	2073	sub customise_for {
1462	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1463		2075
1464	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2077	if $self->per_player;
1466		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1467	$self	2082	$self
1468	}	2083	}
1469		2084
1470	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2086	sub load_neighbours {
1472	my ($map) = @_;	2087	my ($map) = @_;
1473		2088
1474	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1475		2090
1476	for (0 .. 3) {	2091	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1478	or next;	2093	or next;
1479	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1480	or next;	2095	or next;
1481	$neigh->load;	2096	$neigh->load;
1482		2097
		2098	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2101	}
1486		2102
1487	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1489	or next;	2106	or next;
1490	$neigh->load;	2107	$neigh->load;
1491	}	2108	}
1492	}	2109	}
1493		2110
…		…
1498	}	2115	}
1499		2116
1500	sub do_load_sync {	2117	sub do_load_sync {
1501	my ($map) = @_;	2118	my ($map) = @_;
1502		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1503	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1504	}	2124	}
1505		2125
1506	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1508		2128
1509	sub find_async {	2129	sub find_async {
1510	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1511		2131
1512	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1513		2133
1514	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2136	}
1517		2137
1518	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1519	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1520	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2145	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2146	$map->load if $v;
		2147	}
1525		2148
1526	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1527	}	2150	}
1528	}	2151	}
1529	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1530	};	2153	};
1531	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2157	}
1535		2158
1536	sub save {	2159	sub save {
1537	my ($self) = @_;	2160	my ($self) = @_;
1538		2161
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2163
1541	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1542		2165
1543	return unless $self->dirty;	2166	return unless $self->dirty;
1544		2167
…		…
1550	return if $self->{deny_save};	2173	return if $self->{deny_save};
1551		2174
1552	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1553		2176
1554	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1556	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1557		2183
1558	if ($uniq) {	2184	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2187	} else {
…		…
1567	my ($self) = @_;	2193	my ($self) = @_;
1568		2194
1569	# save first because save cedes	2195	# save first because save cedes
1570	$self->save;	2196	$self->save;
1571		2197
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2199
1574	return if $self->players;	2200	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2202	return if $self->{deny_save};
1577		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2208	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2209	}
1581		2210
1582	sub reset_at {	2211	sub reset_at {
1583	my ($self) = @_;	2212	my ($self) = @_;
1584		2213
1585	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1588		2216
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2219
…		…
1602	my ($self) = @_;	2230	my ($self) = @_;
1603		2231
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2233
1606	return if $self->players;	2234	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2235
1609	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
		2237
		2238	$self->in_memory (cf::MAP_SWAPPED);
		2239
		2240	# need to save uniques path
		2241	unless ($self->{deny_save}) {
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2245	if $uniq;
		2246	}
1610		2247
1611	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1612		2249
1613	$self->in_memory (cf::MAP_SWAPPED);	2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2252	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2253
1618	$self->unlink_save;	2254	$self->unlink_save;
1619	$self->destroy;	2255	$self->destroy;
1620	}	2256	}
1621		2257
1622	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1623		2259
1624	sub nuke {	2260	sub nuke {
1625	my ($self) = @_;	2261	my ($self) = @_;
1626		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1627	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1628		2267
1629	$self->unlink_save;	2268	$self->unlink_save;
1630		2269
1631	bless $self, "cf::map";	2270	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2275
1637	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1638		2278
1639	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1640	}	2316	}
1641		2317
1642	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1643		2319
1644	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2321	instantiated unique items. May block.
1646		2322
1647	=cut	2323	=cut
1648		2324
1649	sub unique_maps() {	2325	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1651	or return;	2327	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2328	utf8::decode $_;
1657	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2331	? ()
1660	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2334	]
1662
1663	\@paths
1664	}	2335	}
1665
1666	package cf;
1667		2336
1668	=back	2337	=back
1669		2338
1670	=head3 cf::object	2339	=head3 cf::object
1671		2340
…		…
1675		2344
1676	=over 4	2345	=over 4
1677		2346
1678	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1679		2348
1680	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1681		2351
1682	=cut	2352	=cut
1683		2353
1684	sub inv_recursive_;	2354	sub inv_recursive_;
1685	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1688		2358
1689	sub inv_recursive {	2359	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1691	}	2361	}
1692		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1693	package cf;	2391	package cf;
1694		2392
1695	=back	2393	=back
1696		2394
1697	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1706		2404
1707	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1708		2420
1709	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2422	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1714		2426
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2428
1717	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1719	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1722	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1723	}	2454	}
1724		2455
1725	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1726		2457
1727	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1740		2471
1741	=item $player_object->enter_link	2472	=item $player_object->enter_link
1742		2473
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2475
1745	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1747		2480
1748	Will never block.	2481	Will never block.
1749		2482
1750	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1751		2484
…		…
1774	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1775		2508
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2510
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1780		2513
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2515	}
1783		2516
1784	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1786		2521
1787	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1788		2523
1789	unless ($map) {	2524	unless ($map) {
1790	# restore original map position	2525	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1807		2542
1808	$map->load;	2543	$map->load;
1809	$map->load_diag;	2544	$map->load_neighbours;
1810		2545
1811	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2548	$self->activate_recursive;
		2549
		2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1814	}	2552	}
1815		2553
1816	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2555
1820	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1824	};	2560	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2561
1830	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2564
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1851		2568
1852	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2574
1855	$self->enter_link;	2575	$self->enter_link;
1856		2576
1857	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1858	my $map = eval {	2599	my $map = eval {
1859	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1861	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2615	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1866	})->prio (1);	2623	})->prio (1);
1867	}	2624	}
1868		2625
1869	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1870		2627
…		…
1890	}	2647	}
1891		2648
1892	sub prepare_random_map {	2649	sub prepare_random_map {
1893	my ($exit) = @_;	2650	my ($exit) = @_;
1894		2651
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2654	# that depends on the exit object
1900		2655
1901	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2658	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1908	}	2665	}
1909		2666
1910	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1911		2668
1912	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1915		2672
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2675	undef $fh;
1919	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1920		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1923	}	2684	}
1924	}	2685	}
1925		2686
1926	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1928		2689
1929	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1930		2691
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2692	$self->enter_link;
1941		2693
1942	(async {	2694	(async {
1943	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1944	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
1945	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1946		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1947	1;	2718	1
1948	}) {	2719	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2724
1954	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2726	$self->leave_link;
1956	}	2727	}
1957	})->prio (1);	2728	})->prio (1);
…		…
1970		2741
1971	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1973		2744
1974	utf8::encode $text;	2745	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2747	}
1977		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
1978		2934
1979	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
1980		2936
1981	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2940
1985	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2942	become reliable at some point in the future.
1987		2943
1988	=cut	2944	=cut
1989		2945
1990	sub cf::client::query {	2946	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2955	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2957
2002	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2004	}	2962	}
2005		2963
2006	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2007	on_reply => sub {	2970	on_reply => sub {
2008	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2009		2972
2010	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2011	# get handled first	2974	# get handled first
…		…
2023	} else {	2986	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2988	}
2026	}	2989	}
2027	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2028	);	3017	);
2029		3018
2030	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2031		3020
2032	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2075		3064
2076	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2077		3066
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2079		3072
2080	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2081		3074
2082	=pod	3075	=pod
2083		3076
2084	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2085		3078
2086	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2087	cf::object::player player	3083	cf::object::player
2088	cf::player peaceful	3084	player
2089	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2090		3091
2091	=cut	3092	=cut
2092		3093
2093	for (	3094	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2098	) {	3101	) {
2099	no strict 'refs';	3102	no strict 'refs';
…		…
2170	=back	3173	=back
2171		3174
2172	=cut	3175	=cut
2173		3176
2174	#############################################################################	3177	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3178	# the server's init and main functions
2284		3179
		3180	sub load_facedata($) {
		3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
		3189	warn "loading facedata from $path\n";
		3190
		3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
		3194
		3195	$facedata = Coro::Storable::thaw $facedata;
		3196
		3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
		3207	{
		3208	my $faces = $facedata->{faceinfo};
		3209
		3210	while (my ($face, $info) = each %$faces) {
		3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
		3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
		3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3217
		3218	cf::cede_to_tick;
		3219	}
		3220
		3221	while (my ($face, $info) = each %$faces) {
		3222	next unless $info->{smooth};
		3223
		3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
2285	sub load_resources {	3315	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3331	or die "unable to load regions file\n";
2288	}
2289		3332
2290	sub cfg_load {	3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3367	or return;
2293		3368
2294	local $/;	3369	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2296		3371
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3373
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3381	};
2307	warn $@ if $@;	3382	warn $@ if $@;
2308	}	3383	}
2309	}	3384	}
2310		3385
2311	sub init {	3386	sub pidfile() {
2312	load_resources;	3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
2313	}	3403	}
2314		3404
2315	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2316	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3424	(async {
2320	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2322	};	3428	};
2323		3429
2324	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
		3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2326	load_extensions;	3448	load_extensions;
2327		3449
2328	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2329	Event::loop;	3458	EV::loop;
2330	}	3459	}
2331		3460
2332	#############################################################################	3461	#############################################################################
2333	# initialisation and cleanup	3462	# initialisation and cleanup
2334		3463
2335	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2336	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2345	},
2346	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2347	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2348	}	3558	}
2349		3559
2350	sub emergency_save() {	3560	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2352		3562
…		…
2358	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3574	$pl->save;
2364	}	3575	}
2365	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2366		3577
2367	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3580	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3581	$map->valid or next;
2371	$map->save;	3582	$map->save;
2372	}	3583	}
2373	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
		3585
		3586	warn "begin emergency database checkpoint\n";
		3587	BDB::db_env_txn_checkpoint $DB_ENV;
		3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2374	};	3593	};
2375		3594
2376	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2377	}	3596	}
2378		3597
		3598	sub post_cleanup {
		3599	my ($make_core) = @_;
		3600
		3601	warn Carp::longmess "post_cleanup backtrace"
		3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2379	sub reload() {	3634	sub do_reload_perl() {
2380	# can/must only be called in main	3635	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2383	return;	3638	return;
2384	}	3639	}
2385		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2386	warn "reloading...";	3644	warn "reloading...";
2387		3645
2388	warn "cancelling server ticker";	3646	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3647
		3648	cf::sync_job {
		3649	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3650	cf::emergency_save;
		3651	cf::write_runtime_sync; # external watchdog should not bark
2392		3652
2393	eval {	3653	warn "syncing database to disk";
		3654	BDB::db_env_txn_checkpoint $DB_ENV;
		3655
2394	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2395		3657
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2405	for (;;) {	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3661	}
2432		3662
2433	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2435	}	3665	%EXT_CORO = ();
2436		3666
2437	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3676	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3677
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2448	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2449	}	3687	}
2450		3688
2451	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2452	}	3704	}
2453		3705
2454	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3709
2458	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2460		3713
2461	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3715	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2464		3717
2465	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2466		3719
2467	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2468	require cf;	3721	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3723
2471	warn "loading config and database again";	3724	warn "loading config and database again";
2472	cf::cfg_load;	3725	cf::reload_config;
2473	cf::db_load;
2474		3726
2475	warn "loading extensions";	3727	warn "loading extensions";
2476	cf::load_extensions;	3728	cf::load_extensions;
2477		3729
2478	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3731	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
2482		3736
2483	warn "loading reloadable resources";	3737	warn "running post_load";
2484	load_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3739
2486	warn "restarting server ticker";	3740	warn "leaving sync_job";
2487		3741
2488	$TICK_WATCHER->start;	3742	1
		3743	} or do {
		3744	warn $@;
		3745	cf::cleanup "error while reloading, exiting.";
		3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2489	};	3762	};
2490		3763	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3764
2502	register_command "reload" => sub {	3765	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2504		3767
2505	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2507		3770	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3772	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3773	};
2520	}	3774	}
2521	};	3775	};
2522		3776
2523	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2524		3778
2525	my $bug_warning = 0;	3779	my $bug_warning = 0;
2526		3780
2527	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3783
2530	prio => 0,	3784	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3786
2533	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2534	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2537	return;	3804	return;
2538	}	3805	}
2539		3806
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3808
2546	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
		3813	write_runtime_sync
		3814	or warn "ERROR: unable to write runtime file: $!";
		3815	};
		3816	}
2548		3817
2549	Event::sweep;	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
2551		3833	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3834	}
2561	);	3835	}
2562		3836
2563	{	3837	{
2564	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3839
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2574		3841	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3843
2590	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3851
2593	cf::sync_job {	3852	cf::sync_job {
		3853	eval {
2594	BDB::db_env_open	3854	BDB::db_env_open
2595	$DB_ENV,	3855	$DB_ENV,
2596	$BDB_ENV_DIR,	3856	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3859	0666;
2600		3860
2601	cf::cleanup "$!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3862	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3863
2604	$DB_ENV->set_lk_detect;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3865	};
2606	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2607	}	3877	}
2608		3878
2609	{	3879	{
		3880	# configure IO::AIO
		3881
2610	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3885	}
2623		3886
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3887	my $_log_backtrace;
2625	reentrant => 0,	3888
2626	data => WF_AUTOCANCEL,	3889	sub _log_backtrace {
2627	after => 1,	3890	my ($msg, @addr) = @_;
2628	interval => 10,	3891
2629	prio => 6, # keep it lowest so it acts like a watchdog	3892	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3893
2631	write_runtime	3894	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3926	}
2634	);	3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2635		3931
2636	END { cf::emergency_save }	3932	END { cf::emergency_save }
2637		3933
2638	1	3934	1
2639		3935

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