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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 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	}
…		…
784	}	1194	}
785	} else {	1195	} else {
786	aio_unlink $filename;	1196	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
788	}	1198	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1199	};
796	}	1200	}
797		1201
798	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
800		1204
…		…
805		1209
806	sub object_thawer_load {	1210	sub object_thawer_load {
807	my ($filename) = @_;	1211	my ($filename) = @_;
808		1212
809	my ($data, $av);	1213	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1214
814	(aio_load $filename, $data) >= 0	1215	(aio_load $filename, $data) >= 0
815	or return;	1216	or return;
816		1217
817	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
819	or return;	1220	or return;
		1221
820	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
821	}	1224	}
822		1225
		1226	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
825	return ($data, $av);	1230	($data, $av)
826	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
827		1238
828	#############################################################################	1239	#############################################################################
829	# command handling &c	1240	# command handling &c
830		1241
831	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1256	}
846		1257
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1259
849	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
850		1265
851	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
852	called.	1267	called.
853		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
854	=cut	1280	=cut
855		1281
856	sub register_extcmd {	1282	sub register_extcmd {
857	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
858		1284
859	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
860	}	1292	}
861		1293
862	cf::player->attach (	1294	cf::player->attach (
863	on_command => sub {	1295	on_command => sub {
864	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1305	cf::override;
874	},	1306	},
875	on_extcmd => sub {	1307	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
877		1309
878	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1311
880	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
886	} else {	1327	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1329	}
889		1330
890	cf::override;	1331	cf::override;
891	},	1332	},
892	);	1333	);
893		1334
894	sub load_extension {
895	my ($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 {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
929	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1340	next unless -r $path;
931	eval {	1341
932	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
933	1	1398	}
934	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
935	}	1404	};
936	}	1405	}
937		1406
938	#############################################################################	1407	#############################################################################
939		1408
		1409	=back
		1410
940	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
941		1412
942	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
943		1414
944	=cut	1415	=cut
945		1416
946	package cf::player;	1417	package cf::player;
947		1418
…		…
949		1420
950	=head3 cf::player	1421	=head3 cf::player
951		1422
952	=over 4	1423	=over 4
953		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
		1438
954	=item cf::player::find $login	1439	=item cf::player::find $login
955		1440
956	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
957		1442
958	=cut	1443	=cut
959		1444
960	sub playerdir($) {	1445	sub playerdir($) {
961	cf::localdir	1446	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1448	}
967		1449
968	sub path($) {	1450	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1452
971	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
972	}	1454	}
973		1455
974	sub find_active($) {	1456	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
979		1461
980	sub exists($) {	1462	sub exists($) {
981	my ($login) = @_;	1463	my ($login) = @_;
982		1464
983	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
985	}	1467	}
986		1468
987	sub find($) {	1469	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1471	my $login = $_[0];
990		1472
991	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
992		1474
993	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1476	# rename old playerfiles to new ones
		1477	#TODO: remove when no longer required
		1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1481	aio_unlink +(playerdir $login) . "/$login.pl";
		1482
		1483	my $f = new_from_file cf::object::thawer path $login
995	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
997	}	1492	}
998	}	1493	}
999	}	1494	}
1000		1495
…		…
1009	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1010		1505
1011	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1013		1508
		1509	cf::get_slot 0.01;
		1510
1014	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1015	Coro::cede;	1512	cf::cede_to_tick;
1016	}	1513	}
1017		1514
1018	sub new($) {	1515	sub new($) {
1019	my ($login) = @_;	1516	my ($login) = @_;
1020		1517
…		…
1026	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1027		1524
1028	$self	1525	$self
1029	}	1526	}
1030		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1031	=item $pl->quit_character	1538	=item $pl->quit_character
1032		1539
1033	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1035		1542
1036	=cut	1543	=cut
1037		1544
1038	sub quit_character {	1545	sub quit_character {
1039	my ($pl) = @_;	1546	my ($pl) = @_;
1040		1547
		1548	my $name = $pl->ob->name;
		1549
1041	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1552
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1048		1559
1049	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1562	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1563	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1564	$pl->destroy;
		1565
		1566	my $prefix = qr<^~\Q$name\E/>;
		1567
		1568	# nuke player maps
		1569	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1570
1054	IO::AIO::aio_rmtree $temp;	1571	IO::AIO::aio_rmtree $temp;
		1572	}
		1573
		1574	=item $pl->kick
		1575
		1576	Kicks a player out of the game. This destroys the connection.
		1577
		1578	=cut
		1579
		1580	sub kick {
		1581	my ($pl, $kicker) = @_;
		1582
		1583	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1584	$pl->killer ("kicked");
		1585	$pl->ns->destroy;
1055	}	1586	}
1056		1587
1057	=item cf::player::list_logins	1588	=item cf::player::list_logins
1058		1589
1059	Returns am arrayref of all valid playernames in the system, can take a	1590	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1061		1592
1062	=cut	1593	=cut
1063		1594
1064	sub list_logins {	1595	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1597	or return [];
1067		1598
1068	my @logins;	1599	my @logins;
1069		1600
1070	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1074		1611
1075	utf8::decode $login;	1612	utf8::decode $login;
1076	push @logins, $login;	1613	push @logins, $login;
1077	}	1614	}
1078		1615
…		…
1105	}	1642	}
1106		1643
1107	\@paths	1644	\@paths
1108	}	1645	}
1109		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1111		1652
1112	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1113		1654
1114	=cut	1655	=cut
1115		1656
1116	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1118		1659
1119	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1661	}
1123		1662
1124	package cf;	1663	=item $player->ext_msg ($type, @msg)
		1664
		1665	Sends an ext event to the client.
		1666
		1667	=cut
		1668
		1669	sub ext_msg($$@) {
		1670	my ($self, $type, @msg) = @_;
		1671
		1672	$self->ns->ext_msg ($type, @msg);
		1673	}
		1674
		1675	=head3 cf::region
		1676
		1677	=over 4
		1678
		1679	=cut
		1680
		1681	package cf::region;
		1682
		1683	=item cf::region::find_by_path $path
		1684
		1685	Tries to decuce the likely region for a map knowing only its path.
		1686
		1687	=cut
		1688
		1689	sub find_by_path($) {
		1690	my ($path) = @_;
		1691
		1692	my ($match, $specificity);
		1693
		1694	for my $region (list) {
		1695	if ($region->{match} && $path =~ $region->{match}) {
		1696	($match, $specificity) = ($region, $region->specificity)
		1697	if $region->specificity > $specificity;
		1698	}
		1699	}
		1700
		1701	$match
		1702	}
1125		1703
1126	=back	1704	=back
1127
1128		1705
1129	=head3 cf::map	1706	=head3 cf::map
1130		1707
1131	=over 4	1708	=over 4
1132		1709
…		…
1144	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1146		1723
1147	sub generate_random_map {	1724	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1149	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1730	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1188		1768
1189	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1190	local $self->{path};	1770	local $self->{path};
1191	local $self->{load_path};	1771	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1772
1195	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1196	}	1774	}
1197		1775
1198	sub normalise {	1776	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1246	return $self;	1824	return $self;
1247	}	1825	}
1248	}	1826	}
1249		1827
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1829	()
1252	}	1830	}
1253		1831
1254	sub init {	1832	sub init {
1255	my ($self) = @_;	1833	my ($self) = @_;
…		…
1270		1848
1271	# the original (read-only) location	1849	# the original (read-only) location
1272	sub load_path {	1850	sub load_path {
1273	my ($self) = @_;	1851	my ($self) = @_;
1274		1852
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1276	}	1854	}
1277		1855
1278	# the temporary/swap location	1856	# the temporary/swap location
1279	sub save_path {	1857	sub save_path {
1280	my ($self) = @_;	1858	my ($self) = @_;
1281		1859
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1284	}	1862	}
1285		1863
1286	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1287	sub uniq_path {	1865	sub uniq_path {
1288	my ($self) = @_;	1866	my ($self) = @_;
1289		1867
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1292	}	1870	}
1293		1871
1294	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1295	# all maps in C++...	1873	# all maps in C++...
1296	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1298		1876
1299	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1301	}	1879	}
1302		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1303	sub unlink_save {	1889	sub unlink_save {
1304	my ($self) = @_;	1890	my ($self) = @_;
1305		1891
1306	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1894	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	}	1895	}
1315		1896
1316	sub load_header_from($) {	1897	sub load_header_from($) {
1317	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1318		1899
1319	utf8::encode $path;	1900	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1325		1909
1326	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1327		1911
1328	1	1912	1
1329	}	1913	}
…		…
1368	$self->load_header_orig	1952	$self->load_header_orig
1369	or return;	1953	or return;
1370	$self->prepare_orig;	1954	$self->prepare_orig;
1371	}	1955	}
1372		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1373	1	1963	1
1374	}	1964	}
1375		1965
1376	sub find;	1966	sub find;
1377	sub find {	1967	sub find {
1378	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1379		1969
1380	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1381		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1383		1974
1384	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1386	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1387	or return;	1980	or return;
1388		1981
1389	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1390		1983
1391	$map->load_header	1984	$map->load_header
1392	or return;	1985	or return;
1393		1986
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1397	$map->reset;	1992	$map->reset;
1398	undef $guard;
1399	return find $path;	1993	return find $path;
1400	}	1994	}
1401		1995
1402	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1403	}	1997	}
…		…
1410	my ($self) = @_;	2004	my ($self) = @_;
1411		2005
1412	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1413		2007
1414	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1416		2012
		2013	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2015
1419	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1420		2017
1421	$self->alloc;	2018	$self->alloc;
1422		2019
1423	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1424		2022
1425	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1426	or return;	2026	or return;
1427		2027
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1429	if delete $self->{load_original};	2029	if delete $self->{load_original};
1430		2030
1431	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2032	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2035	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1436	}	2039	}
1437	}	2040	}
1438		2041
1439	Coro::cede;	2042	$f->resolve_delayed_derefs;
1440		2043
		2044	cf::cede_to_tick;
1441	# now do the right thing for maps	2045	# now do the right thing for maps
1442	$self->link_multipart_objects;	2046	$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)	2047	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2048	unless $self->difficulty;
1452	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1453	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2065	}
1455		2066
1456	$self->post_load;	2067	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2068	}
1460		2069
1461	sub customise_for {	2070	sub customise_for {
1462	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1463		2072
1464	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2074	if $self->per_player;
1466		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1467	$self	2079	$self
1468	}	2080	}
1469		2081
1470	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2083	sub load_neighbours {
1472	my ($map) = @_;	2084	my ($map) = @_;
1473		2085
1474	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1475		2087
1476	for (0 .. 3) {	2088	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1478	or next;	2090	or next;
1479	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1480	or next;	2092	or next;
1481	$neigh->load;	2093	$neigh->load;
1482		2094
		2095	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2098	}
1486		2099
1487	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1489	or next;	2103	or next;
1490	$neigh->load;	2104	$neigh->load;
1491	}	2105	}
1492	}	2106	}
1493		2107
…		…
1498	}	2112	}
1499		2113
1500	sub do_load_sync {	2114	sub do_load_sync {
1501	my ($map) = @_;	2115	my ($map) = @_;
1502		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1503	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1504	}	2121	}
1505		2122
1506	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1508		2125
1509	sub find_async {	2126	sub find_async {
1510	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1511		2128
1512	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1513		2130
1514	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2133	}
1517		2134
1518	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1519	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1520	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2142	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2143	$map->load if $v;
		2144	}
1525		2145
1526	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1527	}	2147	}
1528	}	2148	}
1529	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1530	};	2150	};
1531	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2154	}
1535		2155
1536	sub save {	2156	sub save {
1537	my ($self) = @_;	2157	my ($self) = @_;
1538		2158
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2160
1541	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1542		2162
1543	return unless $self->dirty;	2163	return unless $self->dirty;
1544		2164
…		…
1550	return if $self->{deny_save};	2170	return if $self->{deny_save};
1551		2171
1552	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1553		2173
1554	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1556	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1557		2180
1558	if ($uniq) {	2181	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2184	} else {
…		…
1567	my ($self) = @_;	2190	my ($self) = @_;
1568		2191
1569	# save first because save cedes	2192	# save first because save cedes
1570	$self->save;	2193	$self->save;
1571		2194
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2196
1574	return if $self->players;	2197	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2199	return if $self->{deny_save};
1577		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2205	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2206	}
1581		2207
1582	sub reset_at {	2208	sub reset_at {
1583	my ($self) = @_;	2209	my ($self) = @_;
1584		2210
1585	# TODO: safety, remove and allow resettable per-player maps	2211	# 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};	2212	return 1e99 if $self->{deny_reset};
1588		2213
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2216
…		…
1602	my ($self) = @_;	2227	my ($self) = @_;
1603		2228
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2230
1606	return if $self->players;	2231	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2232
1609	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
		2234
		2235	$self->in_memory (cf::MAP_SWAPPED);
		2236
		2237	# need to save uniques path
		2238	unless ($self->{deny_save}) {
		2239	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2240
		2241	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2242	if $uniq;
		2243	}
1610		2244
1611	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1612		2246
1613	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2249	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2250
1618	$self->unlink_save;	2251	$self->unlink_save;
1619	$self->destroy;	2252	$self->destroy;
1620	}	2253	}
1621		2254
1622	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1623		2256
1624	sub nuke {	2257	sub nuke {
1625	my ($self) = @_;	2258	my ($self) = @_;
1626		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1627	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1628		2264
1629	$self->unlink_save;	2265	$self->unlink_save;
1630		2266
1631	bless $self, "cf::map";	2267	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2272
1637	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1638		2275
1639	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1640	}	2313	}
1641		2314
1642	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1643		2316
1644	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2318	instantiated unique items. May block.
1646		2319
1647	=cut	2320	=cut
1648		2321
1649	sub unique_maps() {	2322	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1651	or return;	2324	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2325	utf8::decode $_;
1657	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2328	? ()
1660	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2331	]
1662
1663	\@paths
1664	}	2332	}
1665
1666	package cf;
1667		2333
1668	=back	2334	=back
1669		2335
1670	=head3 cf::object	2336	=head3 cf::object
1671		2337
…		…
1675		2341
1676	=over 4	2342	=over 4
1677		2343
1678	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1679		2345
1680	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1681		2348
1682	=cut	2349	=cut
1683		2350
1684	sub inv_recursive_;	2351	sub inv_recursive_;
1685	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1688		2355
1689	sub inv_recursive {	2356	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1691	}	2358	}
1692		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1693	package cf;	2388	package cf;
1694		2389
1695	=back	2390	=back
1696		2391
1697	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	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	2399	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1706		2401
1707	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1708		2417
1709	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2419	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1714		2423
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2425
1717	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1719	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1722	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1723	}	2451	}
1724		2452
1725	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1726		2454
1727	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1740		2468
1741	=item $player_object->enter_link	2469	=item $player_object->enter_link
1742		2470
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2472
1745	The player should be reasonably safe there for short amounts of time. You	2473	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.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1747		2477
1748	Will never block.	2478	Will never block.
1749		2479
1750	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1751		2481
…		…
1774	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1775		2505
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2507
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1780		2510
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2512	}
1783		2513
1784	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1786		2518
1787	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1788		2520
1789	unless ($map) {	2521	unless ($map) {
1790	# restore original map position	2522	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1807		2539
1808	$map->load;	2540	$map->load;
1809	$map->load_diag;	2541	$map->load_neighbours;
1810		2542
1811	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2545	$self->activate_recursive;
		2546
		2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1814	}	2549	}
1815		2550
1816	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2552
1820	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1824	};	2557	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2558
1830	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1832	if ($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		2561
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1851		2565
1852	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2571
1855	$self->enter_link;	2572	$self->enter_link;
1856		2573
1857	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1858	my $map = eval {	2596	my $map = eval {
1859	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1861	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2612	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1866	})->prio (1);	2620	})->prio (1);
1867	}	2621	}
1868		2622
1869	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1870		2624
…		…
1890	}	2644	}
1891		2645
1892	sub prepare_random_map {	2646	sub prepare_random_map {
1893	my ($exit) = @_;	2647	my ($exit) = @_;
1894		2648
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2651	# that depends on the exit object
1900		2652
1901	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2655	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1908	}	2662	}
1909		2663
1910	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1911		2665
1912	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1915		2669
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2672	undef $fh;
1919	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1920		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1923	}	2681	}
1924	}	2682	}
1925		2683
1926	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1928		2686
1929	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1930		2688
1931	if ($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;	2689	$self->enter_link;
1941		2690
1942	(async {	2691	(async {
1943	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1944	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
1945	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1946		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
1947	1;	2715	1
1948	}) {	2716	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2721
1954	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2723	$self->leave_link;
1956	}	2724	}
1957	})->prio (1);	2725	})->prio (1);
…		…
1970		2738
1971	sub cf::client::send_drawinfo {	2739	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2740	my ($self, $text, $flags) = @_;
1973		2741
1974	utf8::encode $text;	2742	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2744	}
1977		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1978		2931
1979	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1980		2933
1981	Queues a query to the client, calling the given callback with	2934	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>,	2935	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>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2937
1985	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2939	become reliable at some point in the future.
1987		2940
1988	=cut	2941	=cut
1989		2942
1990	sub cf::client::query {	2943	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2952	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2954
2002	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2004	}	2959	}
2005		2960
2006	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2007	on_reply => sub {	2967	on_reply => sub {
2008	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2009		2969
2010	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2011	# get handled first	2971	# get handled first
…		…
2023	} else {	2983	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2985	}
2026	}	2986	}
2027	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2028	);	3014	);
2029		3015
2030	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2031		3017
2032	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2075		3061
2076	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2077		3063
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2079		3069
2080	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2081		3071
2082	=pod	3072	=pod
2083		3073
2084	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2085		3075
2086	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2087	cf::object::player player	3080	cf::object::player
2088	cf::player peaceful	3081	player
2089	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2090		3088
2091	=cut	3089	=cut
2092		3090
2093	for (	3091	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2098	) {	3098	) {
2099	no strict 'refs';	3099	no strict 'refs';
…		…
2170	=back	3170	=back
2171		3171
2172	=cut	3172	=cut
2173		3173
2174	#############################################################################	3174	#############################################################################
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	3175	# the server's init and main functions
2284		3176
		3177	sub load_facedata($) {
		3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
		3186	warn "loading facedata from $path\n";
		3187
		3188	my $facedata;
		3189	0 < aio_load $path, $facedata
		3190	or die "$path: $!";
		3191
		3192	$facedata = Coro::Storable::thaw $facedata;
		3193
		3194	$facedata->{version} == 2
		3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
		3204	{
		3205	my $faces = $facedata->{faceinfo};
		3206
		3207	while (my ($face, $info) = each %$faces) {
		3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
		3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
		3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	while (my ($face, $info) = each %$faces) {
		3219	next unless $info->{smooth};
		3220
		3221	my $idx = cf::face::find $face
		3222	or next;
		3223
		3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
		3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3227	} else {
		3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3229	}
		3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
		3235	{
		3236	my $anims = $facedata->{animinfo};
		3237
		3238	while (my ($anim, $info) = each %$anims) {
		3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3240	cf::cede_to_tick;
		3241	}
		3242
		3243	cf::anim::invalidate_all; # d'oh
		3244	}
		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
		3281	1
		3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
2285	sub load_resources {	3312	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
		3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
		3327	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3328	or die "unable to load regions file\n";
2288	}
2289		3329
2290	sub cfg_load {	3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
		3334	}
		3335
		3336	sub reload_facedata {
		3337	load_facedata "$DATADIR/facedata"
		3338	or die "unable to load facedata\n";
		3339	}
		3340
		3341	sub reload_archetypes {
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
		3351	sub reload_resources {
		3352	warn "reloading resource files...\n";
		3353
		3354	reload_facedata;
		3355	reload_archetypes;
		3356	reload_regions;
		3357	reload_treasures;
		3358
		3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3364	or return;
2293		3365
2294	local $/;	3366	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2296		3368
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3370
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$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};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3378	};
2307	warn $@ if $@;	3379	warn $@ if $@;
2308	}	3380	}
2309	}	3381	}
2310		3382
2311	sub init {	3383	sub pidfile() {
2312	load_resources;	3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
2313	}	3400	}
2314		3401
2315	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2316	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3421	(async {
2320	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2322	};	3425	};
2323		3426
2324	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
		3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2326	load_extensions;	3445	load_extensions;
2327		3446
2328	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2329	Event::loop;	3455	EV::loop;
2330	}	3456	}
2331		3457
2332	#############################################################################	3458	#############################################################################
2333	# initialisation and cleanup	3459	# initialisation and cleanup
2334		3460
2335	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2336	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3465	$SIGWATCHER{$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";	3466	cf::cleanup "SIG$signal";
2345	},
2346	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2347	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid value!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2348	}	3555	}
2349		3556
2350	sub emergency_save() {	3557	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2352		3559
…		…
2358	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3571	$pl->save;
2364	}	3572	}
2365	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2366		3574
2367	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3577	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3578	$map->valid or next;
2371	$map->save;	3579	$map->save;
2372	}	3580	}
2373	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
		3582
		3583	warn "begin emergency database checkpoint\n";
		3584	BDB::db_env_txn_checkpoint $DB_ENV;
		3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2374	};	3590	};
2375		3591
2376	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2377	}	3593	}
2378		3594
		3595	sub post_cleanup {
		3596	my ($make_core) = @_;
		3597
		3598	warn Carp::longmess "post_cleanup backtrace"
		3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2379	sub reload() {	3631	sub do_reload_perl() {
2380	# can/must only be called in main	3632	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2383	return;	3635	return;
2384	}	3636	}
2385		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2386	warn "reloading...";	3641	warn "reloading...";
2387		3642
2388	warn "cancelling server ticker";	3643	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3644
		3645	cf::sync_job {
		3646	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3647	cf::emergency_save;
		3648	cf::write_runtime_sync; # external watchdog should not bark
2392		3649
2393	eval {	3650	warn "syncing database to disk";
		3651	BDB::db_env_txn_checkpoint $DB_ENV;
		3652
2394	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2395		3654
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";	3655	warn "flushing outstanding aio requests";
2405	for (;;) {	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3657	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	}	3658	}
2432		3659
2433	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2435	}	3662	%EXT_CORO = ();
2436		3663
2437	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3673	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3674
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2448	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2449	}	3684	}
2450		3685
2451	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2452	}	3701	}
2453		3702
2454	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3706
2458	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2460		3710
2461	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3712	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2464		3714
2465	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2466		3716
2467	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2468	require cf;	3718	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3720
2471	warn "loading config and database again";	3721	warn "loading config and database again";
2472	cf::cfg_load;	3722	cf::reload_config;
2473	cf::db_load;
2474		3723
2475	warn "loading extensions";	3724	warn "loading extensions";
2476	cf::load_extensions;	3725	cf::load_extensions;
2477		3726
2478	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3728	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
		3731	warn "reattaching attachments to players";
		3732	reattach $_ for values %PLAYER;
2482		3733
2483	warn "loading reloadable resources";	3734	warn "running post_load";
2484	load_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3736
2486	warn "restarting server ticker";	3737	warn "leaving sync_job";
2487		3738
2488	$TICK_WATCHER->start;	3739	1
		3740	} or do {
		3741	warn $@;
		3742	cf::cleanup "error while reloading, exiting.";
		3743	};
		3744
		3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
		3748	};
		3749
		3750	our $RELOAD_WATCHER; # used only during reload
		3751
		3752	sub reload_perl() {
		3753	# doing reload synchronously and two reloads happen back-to-back,
		3754	# coro crashes during coro_state_free->destroy here.
		3755
		3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3757	do_reload_perl;
		3758	undef $RELOAD_WATCHER;
2489	};	3759	};
2490		3760	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3761
2502	register_command "reload" => sub {	3762	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2504		3764
2505	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2507		3767	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3768	$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;	3769	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3770	};
2520	}	3771	}
2521	};	3772	};
2522		3773
2523	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2524		3775
2525	my $bug_warning = 0;	3776	my $bug_warning = 0;
2526		3777
2527	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3780
2530	prio => 0,	3781	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3783
2533	cb => sub {	3784	my $signal = new Coro::Signal;
		3785	push @WAIT_FOR_TICK, $signal;
		3786	$signal->wait;
		3787	}
		3788
		3789	sub wait_for_tick_begin {
		3790	return if tick_inhibit || $Coro::current == $Coro::main;
		3791
		3792	my $signal = new Coro::Signal;
		3793	push @WAIT_FOR_TICK_BEGIN, $signal;
		3794	$signal->wait;
		3795	}
		3796
		3797	sub tick {
2534	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2537	return;	3801	return;
2538	}	3802	}
2539		3803
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3805
2546	$WAIT_FOR_TICK->broadcast;	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
		3810	write_runtime_sync
		3811	or warn "ERROR: unable to write runtime file: $!";
		3812	};
		3813	}
2548		3814
2549	Event::sweep;	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3816	$sig->send;
		3817	}
		3818	while (my $sig = shift @WAIT_FOR_TICK) {
		3819	$sig->send;
		3820	}
		3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
2551		3830	}
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	},	3831	}
2561	);	3832	}
2562		3833
2563	{	3834	{
2564	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3836
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;	3837	BDB::min_parallel 8;
2574		3838	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3839	$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	$! = $status;
2586	},
2587	)
2588	};
2589		3840
2590	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3848
2593	cf::sync_job {	3849	cf::sync_job {
		3850	eval {
2594	BDB::db_env_open	3851	BDB::db_env_open
2595	$DB_ENV,	3852	$DB_ENV,
2596	$BDB_ENV_DIR,	3853	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3856	0666;
2600		3857
2601	cf::cleanup "$!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3859	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3860
		3861	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3862	};
2605	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2606	}	3874	}
2607		3875
2608	{	3876	{
		3877	# configure IO::AIO
		3878
2609	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}	3882	}
2622		3883
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3884	my $_log_backtrace;
2624	reentrant => 0,	3885
2625	data => WF_AUTOCANCEL,	3886	sub _log_backtrace {
2626	after => 1,	3887	my ($msg, @addr) = @_;
2627	interval => 10,	3888
2628	prio => 6, # keep it lowest so it acts like a watchdog	3889	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3890
2630	write_runtime	3891	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3892	if ($_log_backtrace < 2) {
		3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
		3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
		3898	my @bt = fork_call {
		3899	@addr = map { sprintf "%x", $_ } @addr;
		3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3902	or die "addr2line: $!";
		3903
		3904	my @funcs;
		3905	my @res = <$fh>;
		3906	chomp for @res;
		3907	while (@res) {
		3908	my ($func, $line) = splice @res, 0, 2, ();
		3909	push @funcs, "[$func] $line";
		3910	}
		3911
		3912	@funcs
		3913	};
		3914
		3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3917	LOG llevInfo, "[ABT] $_\n" for @bt;
		3918	--$_log_backtrace;
		3919	};
		3920	} else {
		3921	LOG llevInfo, "[ABT] $msg\n";
		3922	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3923	}
2633	);	3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2634		3928
2635	END { cf::emergency_save }	3929	END { cf::emergency_save }
2636		3930
2637	1	3931	1
2638		3932

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