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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		74
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		76
45	our %COMMAND = ();	77	our %COMMAND = ();
46	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
47		79
48	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
52		85
53	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	87	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		88
57	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	90	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	107	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	113	our $DB_ENV;
67		114
68	our %CFG;	115	our %CFG;
69		116
70	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
72		120
73	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		124
82	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
85	binmode STDOUT;	135	binmode STDOUT;
86	binmode STDERR;	136	binmode STDERR;
87		137
88	# read virtual server time, if available	138	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
93	}	143	}
94		144
95	mkdir cf::localdir;	145	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		147
102	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
103		149
104	sub cf::map::normalise;	150	sub cf::map::normalise;
105		151
…		…
116	=item $cf::RUNTIME	162	=item $cf::RUNTIME
117		163
118	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
119	every server tick.	165	every server tick.
120		166
121	=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
122		170
123	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		175
126	=item $cf::NOW	176	=item $cf::NOW
127		177
128	The time of the last (current) server tick.	178	The time of the last (current) server tick.
129		179
130	=item $cf::TICK	180	=item $cf::TICK
131		181
132	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	194	=item %cf::CFG
135		195
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	197	from wherever your confdir points to.
138		198
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		200
141	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
142	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
143	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.
144	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.
145		210
146	=back	211	=back
147		212
148	=cut	213	=cut
149		214
150	BEGIN {	215	BEGIN {
151	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	217	my $msg = join "", @_;
153	utf8::encode $msg;
154		218
155	$msg .= "\n"	219	$msg .= "\n"
156	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
157		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
158	LOG llevError, $msg;	224	LOG llevError, $msg;
159	};	225	};
160	}	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#?
161		242
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		250
169	# 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
170	# within the Safe compartment.	252	# within the Safe compartment.
171	for my $pkg (qw(	253	for my $pkg (qw(
172	cf::global cf::attachable	254	cf::global cf::attachable
173	cf::object cf::object::player	255	cf::object cf::object::player
174	cf::client cf::player	256	cf::client cf::player
175	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
176	cf::map cf::party cf::region	259	cf::party cf::region
177	)) {	260	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	262	}
181		263
182	$Event::DIED = sub {	264	$EV::DIED = sub {
183	warn "error in event callback: @_";	265	warn "error in event callback: @_";
184	};	266	};
		267
		268	#############################################################################
185		269
186	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
187		271
188	=over 4	272	=over 4
189		273
…		…
208	$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;
209	$d	293	$d
210	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
211	}	295	}
212		296
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
216		298
217	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
218		300
219	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
220		302
221	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[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;
		324	}
222		325
223	=item cf::lock_wait $string	326	=item cf::lock_wait $string
224		327
225	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
226		329
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
232	returned.	335	returned.
233		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
234	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
235	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
236		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
237	=cut	347	=cut
238		348
239	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
240		351
241	sub lock_wait($) {	352	sub lock_wait($) {
242	my ($key) = @_;	353	my ($key) = @_;
243		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
244	# wait for lock, if any	360	# wait for lock, if any
245	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
246	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	364	Coro::schedule;
248	}	365	}
249	}	366	}
250		367
…		…
253		370
254	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
255	lock_wait $key;	372	lock_wait $key;
256		373
257	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
258		376
259	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
262	}	381	}
263	}	382	}
264		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
265	sub freeze_mainloop {	390	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
267		392
268	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	394	}
		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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
270	};	454	}
271	$TICK_WATCHER->stop;	455	};
272	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
273	}	469	}
274		470
275	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
276		472
277	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		478
283	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
284		480
285	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
286		482
287	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
290		487
291	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
294	fast or be very important.	491	fast or be very important.
…		…
297		494
298	sub sync_job(&) {	495	sub sync_job(&) {
299	my ($job) = @_;	496	my ($job) = @_;
300		497
301	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
302	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
304		503
305	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	505
307	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
308		507
309	my $busy = 1;	508	my $busy = 1;
310	my @res;	509	my @res;
311		510
312	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	513	@res = eval { $job->() };
314	warn $@ if $@;	514	warn $@ if $@;
315	undef $busy;	515	undef $busy;
316	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
317		517
318	while ($busy) {	518	while ($busy) {
319	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
320	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
321		529
322	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
323	} else {	531	} else {
324	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
325		533
…		…
345	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
346		554
347	$coro	555	$coro
348	}	556	}
349		557
350	sub write_runtime {	558	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		559
353	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		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.
354		564
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
356	or return;
357		566
358	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		569
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
363	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
364		573
365	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	575	reset_signals;
367	and return;	576	&$cb
		577	}, @args;
368		578
369	close $fh	579	wantarray ? @res : $res[-1]
370	or return;	580	}
371		581
372	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
373	and return;
374		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
375	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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"
376	}	734	}
377		735
378	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
379		737
380	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		750
393	#############################################################################	751	#############################################################################
394		752
395	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
396		754
397	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
398	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")
399	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
400		758
401	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>
402	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
403	crossfire+).	761	Deliantra).
404		762
405	=over 4	763	=over 4
406		764
407	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
408		766
…		…
452	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
453		811
454	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
456		814
457	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
459		817
460	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
461		819
462	=over 4	820	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
572		930
573	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		935
578	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	937	my $pkg = shift @arg;
580		938
581	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
611	}	969	}
612		970
613	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
614	} else {	972	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	974	}
617		975
618	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
619	}	977	}
620		978
…		…
622	if (ref $_[0]) {	980	if (ref $_[0]) {
623	_object_attach @_;	981	_object_attach @_;
624	} else {	982	} else {
625	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
626	}	984	}
		985	_recalc_want;
627	};	986	};
628		987
629	# all those should be optimised	988	# all those should be optimised
630	sub cf::attachable::detach {	989	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
635	reattach ($obj);	994	reattach ($obj);
636	} else {	995	} else {
637	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
638	}	997	}
		998	_recalc_want;
639	};	999	};
640		1000
641	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
643		1003
…		…
658	";	1018	";
659	die if $@;	1019	die if $@;
660	}	1020	}
661		1021
662	our $override;	1022	our $override;
663	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?
664		1024
665	sub override {	1025	sub override {
666	$override = 1;	1026	$override = 1;
667	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
668	}	1028	}
669		1029
670	sub do_invoke {	1030	sub do_invoke {
671	my $event = shift;	1031	my $event = shift;
672	my $callbacks = shift;	1032	my $callbacks = shift;
673		1033
674	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
675		1035
676	local $override;	1036	local $override;
677		1037
678	for (@$callbacks) {	1038	for (@$callbacks) {
679	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
688	}	1048	}
689		1049
690	0	1050	0
691	}	1051	}
692		1052
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1054
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1056
697	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
698		1058
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1062
703	=back	1063	=back
704		1064
705	=cut	1065	=cut
706		1066
707	#############################################################################	1067	#############################################################################
708	# 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, $ob2
		1110	}
709		1111
710	sub reattach {	1112	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1114	my ($obj) = @_;
713		1115
		1116	# no longer needed after getting rid of delete_package?
714	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
715		1118
716	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
717		1120
718	@$registry = ();	1121	@$registry = ();
719		1122
…		…
734	cf::attachable->attach (	1137	cf::attachable->attach (
735	prio => -1000000,	1138	prio => -1000000,
736	on_instantiate => sub {	1139	on_instantiate => sub {
737	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
738		1141
739	$data = from_json $data;	1142	$data = decode_json $data;
740		1143
741	for (@$data) {	1144	for (@$data) {
742	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
743		1146
744	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1163	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
762		1165
763	sync_job {	1166	sync_job {
764	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
767		1171
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1176	aio_close $fh;
773		1177
774	if (@$objs) {	1178	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1184	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
782	}	1186	}
783	} else {	1187	} else {
784	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
785	}	1189	}
…		…
790	}	1194	}
791	} else {	1195	} else {
792	aio_unlink $filename;	1196	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
794	}	1198	}
795	}	1199	};
796	}	1200	}
797		1201
798	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
800		1204
…		…
812	or return;	1216	or return;
813		1217
814	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
816	or return;	1220	or return;
		1221
817	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
818	}	1224	}
819		1225
		1226	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
822	return ($data, $av);	1230	($data, $av)
823	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
824		1238
825	#############################################################################	1239	#############################################################################
826	# command handling &c	1240	# command handling &c
827		1241
828	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1256	}
843		1257
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1259
846	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.
847		1265
848	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
849	called.	1267	called.
850		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
851	=cut	1280	=cut
852		1281
853	sub register_extcmd {	1282	sub register_extcmd {
854	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
855		1284
856	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
857	}	1292	}
858		1293
859	cf::player->attach (	1294	cf::player->attach (
860	on_command => sub {	1295	on_command => sub {
861	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1305	cf::override;
871	},	1306	},
872	on_extcmd => sub {	1307	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
874		1309
875	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1311
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
883	} else {	1327	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1329	}
886		1330
887	cf::override;	1331	cf::override;
888	},	1332	},
889	);	1333	);
890		1334
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
926	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1340	next unless -r $path;
928	eval {	1341
929	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	$progress = 1;
930	1	1398	}
931	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
932	}	1404	};
933	}	1405	}
934		1406
935	#############################################################################	1407	#############################################################################
936		1408
		1409	=back
		1410
937	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
938		1412
939	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
940		1414
941	=cut	1415	=cut
942		1416
943	package cf::player;	1417	package cf::player;
944		1418
…		…
946		1420
947	=head3 cf::player	1421	=head3 cf::player
948		1422
949	=over 4	1423	=over 4
950		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
951	=item cf::player::find $login	1439	=item cf::player::find $login
952		1440
953	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
954		1442
955	=cut	1443	=cut
956		1444
957	sub playerdir($) {	1445	sub playerdir($) {
958	cf::localdir	1446	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1448	}
964		1449
965	sub path($) {	1450	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1461
977	sub exists($) {	1462	sub exists($) {
978	my ($login) = @_;	1463	my ($login) = @_;
979		1464
980	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
982	}	1467	}
983		1468
984	sub find($) {	1469	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1471	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
997		1482
998	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1001	}	1492	}
1002	}	1493	}
1003	}	1494	}
1004		1495
…		…
1013	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1014		1505
1015	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1017		1508
		1509	cf::get_slot 0.01;
		1510
1018	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1019	Coro::cede;	1512	cf::cede_to_tick;
1020	}	1513	}
1021		1514
1022	sub new($) {	1515	sub new($) {
1023	my ($login) = @_;	1516	my ($login) = @_;
1024		1517
…		…
1030	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1031		1524
1032	$self	1525	$self
1033	}	1526	}
1034		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
1035	=item $pl->quit_character	1538	=item $pl->quit_character
1036		1539
1037	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1039		1542
…		…
1043	my ($pl) = @_;	1546	my ($pl) = @_;
1044		1547
1045	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1046		1549
1047	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1048	$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
1049		1552
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1054		1559
1055	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1087		1592
1088	=cut	1593	=cut
1089		1594
1090	sub list_logins {	1595	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1597	or return [];
1093		1598
1094	my @logins;	1599	my @logins;
1095		1600
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1100		1611
1101	utf8::decode $login;	1612	utf8::decode $login;
1102	push @logins, $login;	1613	push @logins, $login;
1103	}	1614	}
1104		1615
…		…
1131	}	1642	}
1132		1643
1133	\@paths	1644	\@paths
1134	}	1645	}
1135		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1136	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1137		1652
1138	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1139		1654
1140	=cut	1655	=cut
1141		1656
1142	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1144		1659
1145	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1661	}
1149		1662
1150	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1151		1664
1152	Sends an ext event to the client.	1665	Sends an ext event to the client.
1153		1666
1154	=cut	1667	=cut
1155		1668
1156	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1158		1671
1159	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1160	}	1673	}
1161		1674
1162	package cf;	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	}
1163		1703
1164	=back	1704	=back
1165
1166		1705
1167	=head3 cf::map	1706	=head3 cf::map
1168		1707
1169	=over 4	1708	=over 4
1170		1709
…		…
1182	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1184		1723
1185	sub generate_random_map {	1724	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1730	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1226		1768
1227	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1228	local $self->{path};	1770	local $self->{path};
1229	local $self->{load_path};	1771	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1772
1233	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1234	}	1774	}
1235		1775
1236	sub normalise {	1776	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1284	return $self;	1824	return $self;
1285	}	1825	}
1286	}	1826	}
1287		1827
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1829	()
1290	}	1830	}
1291		1831
1292	sub init {	1832	sub init {
1293	my ($self) = @_;	1833	my ($self) = @_;
…		…
1308		1848
1309	# the original (read-only) location	1849	# the original (read-only) location
1310	sub load_path {	1850	sub load_path {
1311	my ($self) = @_;	1851	my ($self) = @_;
1312		1852
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1314	}	1854	}
1315		1855
1316	# the temporary/swap location	1856	# the temporary/swap location
1317	sub save_path {	1857	sub save_path {
1318	my ($self) = @_;	1858	my ($self) = @_;
1319		1859
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1322	}	1862	}
1323		1863
1324	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1325	sub uniq_path {	1865	sub uniq_path {
1326	my ($self) = @_;	1866	my ($self) = @_;
1327		1867
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1330	}	1870	}
1331		1871
1332	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1333	# all maps in C++...	1873	# all maps in C++...
1334	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1336		1876
1337	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1339	}	1879	}
1340		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1341	sub unlink_save {	1889	sub unlink_save {
1342	my ($self) = @_;	1890	my ($self) = @_;
1343		1891
1344	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1896
1349	sub load_header_from($) {	1897	sub load_header_from($) {
1350	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1351		1899
1352	utf8::encode $path;	1900	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		1909
1359	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1360		1911
1361	1	1912	1
1362	}	1913	}
…		…
1401	$self->load_header_orig	1952	$self->load_header_orig
1402	or return;	1953	or return;
1403	$self->prepare_orig;	1954	$self->prepare_orig;
1404	}	1955	}
1405		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 $self->default_region;
		1962
1406	1	1963	1
1407	}	1964	}
1408		1965
1409	sub find;	1966	sub find;
1410	sub find {	1967	sub find {
1411	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1412		1969
1413	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1414		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1416		1974
1417	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1419	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1420	or return;	1980	or return;
1421		1981
1422	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1423		1983
1424	$map->load_header	1984	$map->load_header
1425	or return;	1985	or return;
1426		1986
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1430	$map->reset;	1992	$map->reset;
1431	undef $guard;
1432	return find $path;	1993	return find $path;
1433	}	1994	}
1434		1995
1435	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1436	}	1997	}
…		…
1443	my ($self) = @_;	2004	my ($self) = @_;
1444		2005
1445	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1446		2007
1447	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1449		2012
		2013	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2015
1452	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1453		2017
1454	$self->alloc;	2018	$self->alloc;
1455		2019
1456	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1457		2022
1458	$self->_load_objects ($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)
1459	or return;	2026	or return;
1460		2027
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1462	if delete $self->{load_original};	2029	if delete $self->{load_original};
1463		2030
1464	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2032	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2035	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1469	}	2039	}
1470	}	2040	}
1471		2041
1472	Coro::cede;	2042	$f->resolve_delayed_derefs;
1473		2043
		2044	cf::cede_to_tick;
1474	# now do the right thing for maps	2045	# now do the right thing for maps
1475	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2048	unless $self->difficulty;
1485	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($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;
1486	$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);
1487	}	2065	}
1488		2066
1489	$self->post_load;	2067	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2068	}
1493		2069
1494	sub customise_for {	2070	sub customise_for {
1495	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1496		2072
1497	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2074	if $self->per_player;
1499		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1500	$self	2079	$self
1501	}	2080	}
1502		2081
1503	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2083	sub load_neighbours {
1505	my ($map) = @_;	2084	my ($map) = @_;
1506		2085
1507	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1508		2087
1509	for (0 .. 3) {	2088	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1511	or next;	2090	or next;
1512	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1513	or next;	2092	or next;
1514	$neigh->load;	2093	$neigh->load;
1515		2094
		2095	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2098	}
1519		2099
1520	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1522	or next;	2103	or next;
1523	$neigh->load;	2104	$neigh->load;
1524	}	2105	}
1525	}	2106	}
1526		2107
…		…
1531	}	2112	}
1532		2113
1533	sub do_load_sync {	2114	sub do_load_sync {
1534	my ($map) = @_;	2115	my ($map) = @_;
1535		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1536	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1537	}	2121	}
1538		2122
1539	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1541		2125
1542	sub find_async {	2126	sub find_async {
1543	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1544		2128
1545	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1546		2130
1547	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2133	}
1550		2134
1551	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1552	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1553	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2142	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2143	$map->load if $v;
		2144	}
1558		2145
1559	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1560	}	2147	}
1561	}	2148	}
1562	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1563	};	2150	};
1564	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2154	}
1568		2155
1569	sub save {	2156	sub save {
1570	my ($self) = @_;	2157	my ($self) = @_;
1571		2158
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2160
1574	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1575		2162
1576	return unless $self->dirty;	2163	return unless $self->dirty;
1577		2164
…		…
1583	return if $self->{deny_save};	2170	return if $self->{deny_save};
1584		2171
1585	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1586		2173
1587	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1589	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1590		2180
1591	if ($uniq) {	2181	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2184	} else {
…		…
1600	my ($self) = @_;	2190	my ($self) = @_;
1601		2191
1602	# save first because save cedes	2192	# save first because save cedes
1603	$self->save;	2193	$self->save;
1604		2194
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2196
1607	return if $self->players;	2197	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2199	return if $self->{deny_save};
1610		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2205	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2206	}
1614		2207
1615	sub reset_at {	2208	sub reset_at {
1616	my ($self) = @_;	2209	my ($self) = @_;
1617		2210
1618	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1621		2213
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2216
…		…
1635	my ($self) = @_;	2227	my ($self) = @_;
1636		2228
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2230
1639	return if $self->players;	2231	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2232
1642	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1643		2234
1644	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1645		2236
1646	# need to save uniques path	2237	# need to save uniques path
1647	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2242	if $uniq;
1652	}	2243	}
1653		2244
1654	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1655		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2249	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2250
1660	$self->unlink_save;	2251	$self->unlink_save;
1661	$self->destroy;	2252	$self->destroy;
1662	}	2253	}
1663		2254
1664	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1665		2256
1666	sub nuke {	2257	sub nuke {
1667	my ($self) = @_;	2258	my ($self) = @_;
1668		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1669	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1670		2264
1671	$self->unlink_save;	2265	$self->unlink_save;
1672		2266
1673	bless $self, "cf::map";	2267	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2272
1679	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1680		2275
1681	$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	]
1682	}	2313	}
1683		2314
1684	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1685		2316
1686	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2318	instantiated unique items. May block.
1688		2319
1689	=cut	2320	=cut
1690		2321
1691	sub unique_maps() {	2322	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1693	or return;	2324	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2325	utf8::decode $_;
1699	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2328	? ()
1702	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2331	]
1704
1705	\@paths
1706	}	2332	}
1707
1708	package cf;
1709		2333
1710	=back	2334	=back
1711		2335
1712	=head3 cf::object	2336	=head3 cf::object
1713		2337
…		…
1717		2341
1718	=over 4	2342	=over 4
1719		2343
1720	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1721		2345
1722	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.
1723		2348
1724	=cut	2349	=cut
1725		2350
1726	sub inv_recursive_;	2351	sub inv_recursive_;
1727	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1730		2355
1731	sub inv_recursive {	2356	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1733	}	2358	}
1734		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
1735	package cf;	2388	package cf;
1736		2389
1737	=back	2390	=back
1738		2391
1739	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1745	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>
1746	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
1747	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1748		2401
1749	=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	};
1750		2417
1751	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2419	# with dialog boxes.
1753	#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
1754	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1756		2423
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2425
1759	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1764	}	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 (@_);
1765	}	2451	}
1766		2452
1767	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1768		2454
1769	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1782		2468
1783	=item $player_object->enter_link	2469	=item $player_object->enter_link
1784		2470
1785	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}>).
1786		2472
1787	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.
1788	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.
1789		2477
1790	Will never block.	2478	Will never block.
1791		2479
1792	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1793		2481
…		…
1816	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1817		2505
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2507
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1822		2510
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2512	}
1825		2513
1826	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1828		2518
1829	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1830		2520
1831	unless ($map) {	2521	unless ($map) {
1832	# restore original map position	2522	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1849		2539
1850	$map->load;	2540	$map->load;
1851	$map->load_diag;	2541	$map->load_neighbours;
1852		2542
1853	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1854	$self->activate_recursive;	2545	$self->activate_recursive;
1855		2546
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1858	}	2549	}
1859		2550
1860	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2552
1864	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1868	};	2557	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2558
1874	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1875	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2561
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1895		2565
1896	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1897	my ($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;
1898		2571
1899	$self->enter_link;	2572	$self->enter_link;
1900		2573
1901	(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
1902	my $map = eval {	2596	my $map = eval {
1903	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2612	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1910	})->prio (1);	2620	})->prio (1);
1911	}	2621	}
1912		2622
1913	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1914		2624
…		…
1934	}	2644	}
1935		2645
1936	sub prepare_random_map {	2646	sub prepare_random_map {
1937	my ($exit) = @_;	2647	my ($exit) = @_;
1938		2648
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2651	# that depends on the exit object
1944		2652
1945	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2655	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1952	}	2662	}
1953		2663
1954	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1955		2665
1956	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1959		2669
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2672	undef $fh;
1963	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1964		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1967	}	2681	}
1968	}	2682	}
1969		2683
1970	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1972		2686
1973	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1974		2688
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2689	$self->enter_link;
1987		2690
1988	(async {	2691	(async {
1989	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1990	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
1991	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1992		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
1993	1;	2715	1
1994	}) {	2716	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "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. "
1997	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2721
2000	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2019		2741
2020	utf8::encode $text;	2742	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2744	}
2023		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
2024	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2025		2898
2026	Sends an exti event to the client.	2899	Sends an ext event to the client.
2027		2900
2028	=cut	2901	=cut
2029		2902
2030	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2032		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2035	}	2930	}
2036		2931
2037	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2038		2933
2039	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2937
2043	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
2044	reliable at some point in the future.	2939	become reliable at some point in the future.
2045		2940
2046	=cut	2941	=cut
2047		2942
2048	sub cf::client::query {	2943	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2952	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2954
2060	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2062	}	2959	}
2063		2960
2064	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	},
2065	on_reply => sub {	2967	on_reply => sub {
2066	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2067		2969
2068	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2069	# get handled first	2971	# get handled first
…		…
2081	} else {	2983	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2985	}
2084	}	2986	}
2085	},	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	},
2086	);	3014	);
2087		3015
2088	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2089		3017
2090	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2133		3061
2134	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2135		3063
2136	$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	));
2137		3069
2138	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2139		3071
2140	=pod	3072	=pod
2141		3073
2142	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2143		3075
2144	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
2145	cf::object::player player	3080	cf::object::player
2146	cf::player peaceful	3081	player
2147	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2148		3088
2149	=cut	3089	=cut
2150		3090
2151	for (	3091	for (
2152	["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)],
2153	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2156	) {	3098	) {
2157	no strict 'refs';	3099	no strict 'refs';
…		…
2228	=back	3170	=back
2229		3171
2230	=cut	3172	=cut
2231		3173
2232	#############################################################################	3174	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3175	# the server's init and main functions
2306		3176
2307	sub load_facedata {	3177	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	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;
2309		3185
2310	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2311		3187
2312	my $faces;	3188	my $facedata;
2313	0 < aio_load $path, $faces	3189	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3190	or die "$path: $!";
2315		3191
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3192	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3193
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3194	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		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
2324	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209
		3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329	Coro::cede;
2330	}
2331		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
2332	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2334	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2335	or next;	3222	or next;
		3223
2336	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	3227	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	3229	}
2341	Coro::cede;	3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
2342	}	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);
2343		3280
2344	1	3281	1
2345	}	3282	}
2346		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
		3312	sub load_resource_file($) {
		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"
		3328	or die "unable to load regions file\n";
		3329
		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
2347	sub reload_resources {	3351	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3353
2350	load_facedata	3354	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3355	reload_archetypes;
2352	}
2353
2354	sub init {
2355	reload_resources;	3356	reload_regions;
2356	}	3357	reload_treasures;
2357		3358
2358	sub cfg_load {	3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3364	or return;
2361		3365
2362	local $/;	3366	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2364		3368
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366		3370
2367	$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};
2368	$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};
…		…
2374	};	3378	};
2375	warn $@ if $@;	3379	warn $@ if $@;
2376	}	3380	}
2377	}	3381	}
2378		3382
		3383	sub pidfile() {
		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 $$;
		3400	}
		3401
2379	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
2380	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2382	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#
2383	(async {	3421	(async {
2384	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2386	};	3425	};
2387		3426
2388	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2389	db_init;	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
2390	load_extensions;	3445	load_extensions;
2391		3446
2392	$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
2393	Event::loop;	3455	EV::loop;
2394	}	3456	}
2395		3457
2396	#############################################################################	3458	#############################################################################
2397	# initialisation and cleanup	3459	# initialisation and cleanup
2398		3460
2399	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2400	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2409	},
2410	);	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
2411	}	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($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2412	}	3555	}
2413		3556
2414	sub emergency_save() {	3557	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2416		3559
…		…
2422	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2424	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3571	$pl->save;
2428	}	3572	}
2429	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2430		3574
2431	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2437	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2438		3582
2439	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2442	};	3590	};
2443		3591
2444	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2445	}	3593	}
2446		3594
2447	sub post_cleanup {	3595	sub post_cleanup {
2448	my ($make_core) = @_;	3596	my ($make_core) = @_;
2449		3597
2450	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3599	if $make_core;
2452	}
2453		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		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 $pkg\n";#d#
		3629	}
		3630
2454	sub reload() {	3631	sub do_reload_perl() {
2455	# can/must only be called in main	3632	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2458	return;	3635	return;
2459	}	3636	}
2460		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2461	warn "reloading...";	3641	warn "reloading...";
2462		3642
2463	warn "entering sync_job";	3643	warn "entering sync_job";
2464		3644
2465	cf::sync_job {	3645	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2467	cf::emergency_save;	3647	cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2469		3649
2470	warn "syncing database to disk";	3650	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3652
2473	# 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
2474		3654
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2486	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();
2494
2495	warn "removing commands";
2496	%COMMAND = ();
2497
2498	warn "removing ext commands";
2499	%EXTCMD = ();
2500
2501	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";
2504
2505	if (my $cb = $pkg->can ("unload")) {
2506	eval {
2507	$cb->($pkg);
2508	1
2509	} or warn "$pkg unloaded, but with errors: $@";
2510	}	3658	}
2511		3659
2512	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2513	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2514	}	3662	%EXT_CORO = ();
2515		3663
2516	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2517	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2520	warn "... unloading $k";	3673	warn "... unloading $pkg";
2521	delete $INC{$k};
2522		3674
2523	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;
2525
2526	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2527	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2528	}	3684	}
2529		3685
2530	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 $k;
2531	}	3701	}
2532		3702
2533	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2535	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);
2536		3706
2537	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2539		3710
2540	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3712	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2543		3714
2544	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2545		3716
2546	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2547	require cf;	3718	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549		3720
2550	warn "loading config and database again";	3721	warn "loading config and database again";
2551	cf::cfg_load;	3722	cf::reload_config;
2552		3723
2553	warn "loading extensions";	3724	warn "loading extensions";
2554	cf::load_extensions;	3725	cf::load_extensions;
2555		3726
2556	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2562		3733
2563	warn "loading reloadable resources";	3734	warn "running post_load";
2564	reload_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2565		3736
2566	warn "leaving sync_job";	3737	warn "leaving sync_job";
2567		3738
2568	1	3739	1
2569	} or do {	3740	} or do {
2570	warn $@;	3741	warn $@;
2571	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2572	exit 1;	3743	};
		3744
		3745	warn "reloaded";
		3746	--$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;
2573	};	3759	};
2574		3760	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		3761
2580	register_command "reload" => sub {	3762	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2582		3764
2583	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2585		3767	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3769	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3770	};
2598	}	3771	}
2599	};	3772	};
2600		3773
2601	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2602		3775
2603	my $bug_warning = 0;	3776	my $bug_warning = 0;
2604		3777
2605	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3780
2608	prio => 0,	3781	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	3783
2611	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	$signal->wait;
		3795	}
		3796
		3797	sub tick {
2612	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2615	return;	3801	return;
2616	}	3802	}
2617		3803
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		3805
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	3810	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	3812	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	3813	}
2644	);	3814
		3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3830	}
		3831	}
		3832	}
2645		3833
2646	{	3834	{
2647	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	3836
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2657		3838	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		3840
2673	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2674	$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);
2675		3848
2676	cf::sync_job {	3849	cf::sync_job {
2677	eval {	3850	eval {
2678	BDB::db_env_open	3851	BDB::db_env_open
2679	$DB_ENV,	3852	$DB_ENV,
2680	$BDB_ENV_DIR,	3853	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3856	0666;
2684		3857
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	3859	};
2690		3860
2691	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	3862	};
2693	}	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	};
2694	}	3874	}
2695		3875
2696	{	3876	{
		3877	# configure IO::AIO
		3878
2697	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	3882	}
		3883
		3884	my $_log_backtrace;
		3885
		3886	sub _log_backtrace {
		3887	my ($msg, @addr) = @_;
		3888
		3889	$msg =~ s/\n//;
		3890
		3891	# limit the # of concurrent backtraces
		3892	if ($_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";
		3923	}
		3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2710		3928
2711	END { cf::emergency_save }	3929	END { cf::emergency_save }
2712		3930
2713	1	3931	1
2714		3932

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