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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
155	=back	258	=back
156		259
157	=cut	260	=cut
158		261
159	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	269	my $msg = join "", @_;
162		270
163	$msg .= "\n"	271	$msg .= "\n"
164	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
165		273
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		275
168	utf8::encode $msg;
169	LOG llevError, $msg;	276	LOG llevWarn, $msg;
170	};	277	};
171	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
172		292
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		300
180	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	302	# within the Safe compartment.
182	for my $pkg (qw(	303	for my $pkg (qw(
183	cf::global cf::attachable	304	cf::global cf::attachable
184	cf::object cf::object::player	305	cf::object cf::object::player
185	cf::client cf::player	306	cf::client cf::player
186	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
187	cf::map cf::party cf::region	309	cf::party cf::region
188	)) {	310	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	312	}
192		313
193	$Event::DIED = sub {	314	$EV::DIED = sub {
194	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
195	};	316	};
		317
		318	#############################################################################
196		319
197	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
198		321
199	=over 4	322	=over 4
200		323
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	343	$d
221	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
222	}	345	}
223		346
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
227		348
228	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
229		350
230	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
231		352
232	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
233		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
234	=item cf::lock_wait $string	405	=item cf::lock_wait $string
235		406
236	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
237		408
238	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
239		410
240	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
243	returned.	414	returned.
244		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
245	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
247		421
248	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
249		423
250	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
251		425
252	=cut	426	=cut
253		427
254	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
255		429
256	sub lock_wait($) {	430	sub lock_wait($) {
257	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	432	}
265		433
266	sub lock_acquire($) {	434	sub lock_acquire($) {
267	my ($key) = @_;	435	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	436	}
279		437
280	sub lock_active($) {	438	sub lock_active($) {
281	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	440	}
285		441
286	sub freeze_mainloop {	442	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
288		444
289	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
291	};	512	}
292	$TICK_WATCHER->stop;	513	};
293	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
294	}	528	}
295		529
296	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
297		531
298	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		537
304	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
305		539
306	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
307		541
308	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
311		546
312	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
315	fast or be very important.	550	fast or be very important.
…		…
317	=cut	552	=cut
318		553
319	sub sync_job(&) {	554	sub sync_job(&) {
320	my ($job) = @_;	555	my ($job) = @_;
321		556
322	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
323	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
325		562
326	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	564
328	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
329		566
330	my $busy = 1;	567	my $busy = 1;
331	my @res;	568	my @res;
332		569
333	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	572	@res = eval { $job->() };
335	warn $@ if $@;	573	error $@ if $@;
336	undef $busy;	574	undef $busy;
337	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
338		576
339	while ($busy) {	577	while ($busy) {
340	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
341	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
342		588
343	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
344	} else {	590	} else {
345	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
346		592
…		…
366	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
367		613
368	$coro	614	$coro
369	}	615	}
370		616
371	sub write_runtime {	617	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		618
374	# first touch the runtime file to show we are still running:	619	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
376		623
377	warn "touching runtime...\n";#d#	624	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	625
379	utime undef, undef, $fh;	626	sub post_fork {
		627	reset_signals;
		628	}
		629
		630	sub fork_call(&@) {
		631	my ($cb, @args) = @_;
		632
		633	# we seemingly have to make a local copy of the whole thing,
		634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
		646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
380	}	713	};
		714	cf::cleanup "db_open(db): $@" if $@;
381		715
382	my $guard = cf::lock_acquire "write_runtime";	716	$db
		717	}
383		718
384	warn "starting to write runtime...\n";#d#	719	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		720
388	my $value = $cf::RUNTIME + 90 + 10;	721	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	722	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	723	}
391		724
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	725	sub db_get($$) {
393	and return;	726	my $key = "$_[0]/$_[1]";
394		727
395	# always fsync - this file is important	728	cf::error "db_get called from main context"
396	aio_fsync $fh	729	if $Coro::current == $Coro::main;
397	and return;
398		730
399	# touch it again to show we are up-to-date	731	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		732
402	close $fh	733	$! ? ()
403	or return;	734	: $data
		735	}
404		736
405	aio_rename "$runtime~", $runtime	737	sub db_put($$$) {
406	and return;	738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
407		741
408	warn "... done writing runtime.\n";#d#	742	=item cf::cache $id => [$paths...], $processversion => $process
409		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
410	1	807	}
		808
		809	db_get cache => "$id/data"
411	}	810	}
412		811
413	=item cf::datalog type => key => value, ...	812	=item cf::datalog type => key => value, ...
414		813
415	Log a datalog packet of the given type with the given key-value pairs.	814	Log a datalog packet of the given type with the given key-value pairs.
416		815
417	=cut	816	=cut
418		817
419	sub datalog($@) {	818	sub datalog($@) {
420	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	821	}
423		822
424	=back	823	=back
425		824
426	=cut	825	=cut
427		826
428	#############################################################################	827	#############################################################################
429		828
430	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
431		830
432	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
435		834
436	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	837	Deliantra).
439		838
440	=over 4	839	=over 4
441		840
442	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
443		842
…		…
487	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
488		887
489	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
491		890
492	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
494		893
495	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
496		895
497	=over 4	896	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
607		1006
608	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1011
613	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
615		1014
616	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
621		1020
622	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1023
625	} elsif (ref $type) {	1024	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
627		1026
628	} else {	1027	} else {
629	shift @arg;	1028	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
631	}	1030	}
632	}	1031	}
633	}	1032	}
634		1033
635	sub _object_attach {	1034	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
646	}	1045	}
647		1046
648	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
649	} else {	1048	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1050	}
652		1051
653	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
654	}	1053	}
655		1054
…		…
657	if (ref $_[0]) {	1056	if (ref $_[0]) {
658	_object_attach @_;	1057	_object_attach @_;
659	} else {	1058	} else {
660	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
661	}	1060	}
		1061	_recalc_want;
662	};	1062	};
663		1063
664	# all those should be optimised	1064	# all those should be optimised
665	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1070	reattach ($obj);
671	} else {	1071	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
673	}	1073	}
		1074	_recalc_want;
674	};	1075	};
675		1076
676	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
678		1079
…		…
693	";	1094	";
694	die if $@;	1095	die if $@;
695	}	1096	}
696		1097
697	our $override;	1098	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1100
700	sub override {	1101	sub override {
701	$override = 1;	1102	$override = 1;
702	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
703	}	1104	}
704		1105
705	sub do_invoke {	1106	sub do_invoke {
706	my $event = shift;	1107	my $event = shift;
707	my $callbacks = shift;	1108	my $callbacks = shift;
708		1109
709	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
710		1111
711	local $override;	1112	local $override;
712		1113
713	for (@$callbacks) {	1114	for (@$callbacks) {
714	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
715		1116
716	if ($@) {	1117	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1119	override;
720	}	1120	}
721		1121
722	return 1 if $override;	1122	return 1 if $override;
723	}	1123	}
724		1124
725	0	1125	0
726	}	1126	}
727		1127
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1129
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1131
732	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
733		1133
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1137
738	=back	1138	=back
739		1139
740	=cut	1140	=cut
741		1141
742	#############################################################################	1142	#############################################################################
743	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
744		1186
745	sub reattach {	1187	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1189	my ($obj) = @_;
748		1190
		1191	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1193
751	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
752		1195
753	@$registry = ();	1196	@$registry = ();
754		1197
…		…
759	for (@$attach) {	1202	for (@$attach) {
760	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
762	}	1205	}
763	} else {	1206	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1208	}
766	}	1209	}
767	}	1210	}
768		1211
769	cf::attachable->attach (	1212	cf::attachable->attach (
770	prio => -1000000,	1213	prio => -1000000,
771	on_instantiate => sub {	1214	on_instantiate => sub {
772	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
773		1216
774	$data = from_json $data;	1217	$data = decode_json $data;
775		1218
776	for (@$data) {	1219	for (@$data) {
777	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
778		1221
779	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1238	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
797		1240
798	sync_job {	1241	sync_job {
799	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
802		1247
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
807	close $fh;	1255	aio_close $fh;
808		1256
809	if (@$objs) {	1257	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
815	close $fh;	1266	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
817	}	1268	}
818	} else {	1269	} else {
819	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
820	}	1271	}
821		1272
822	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1277	} else {
824	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
825	}	1279	}
826	} else {	1280	} else {
827	aio_unlink $filename;	1281	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
829	}	1283	}
830	}	1284	};
831	}	1285	}
832		1286
833	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
835		1289
…		…
847	or return;	1301	or return;
848		1302
849	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
851	or return;	1305	or return;
		1306
852	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
853	}	1309	}
854		1310
		1311	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
857	return ($data, $av);	1316	($data, $av)
858	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
859		1324
860	#############################################################################	1325	#############################################################################
861	# command handling &c	1326	# command handling &c
862		1327
863	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1342	}
878		1343
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1345
881	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
882		1351
883	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
884	called.	1353	called.
885		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
886	=cut	1366	=cut
887		1367
888	sub register_extcmd {	1368	sub register_extcmd {
889	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
890		1370
891	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
892	}	1372	}
893		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
894	cf::player->attach (	1382	cf::player->attach (
895	on_command => sub {	1383	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
897		1385
898	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
899	or return;	1387	or return;
900		1388
…		…
905	cf::override;	1393	cf::override;
906	},	1394	},
907	on_extcmd => sub {	1395	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
909		1397
910	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1399
912	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
918	} else {	1415	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1417	}
921		1418
922	cf::override;	1419	cf::override;
923	},	1420	},
924	);	1421	);
925		1422
		1423	# "readahead" all extensions
926	sub load_extension {	1424	sub cache_extensions {
927	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
928		1426
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1430	}
954	die $@;
955	}	1431	};
956		1432
957	push @EXTS, $pkg;	1433	$grp
958	}	1434	}
959		1435
960	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
961	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1443	next unless -r $path;
963	eval {	1444
964	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
965	1	1508	}
966	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
967	}	1519	};
968	}	1520	}
969		1521
970	#############################################################################	1522	#############################################################################
971		1523
		1524	=back
		1525
972	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
973		1527
974	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
975		1529
976	=cut	1530	=cut
977		1531
978	package cf::player;	1532	package cf::player;
979		1533
980	use Coro::AIO;	1534	use Coro::AIO;
981		1535
982	=head3 cf::player	1536	=head3 cf::player
983		1537
984	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
985		1553
986	=item cf::player::find $login	1554	=item cf::player::find $login
987		1555
988	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
989		1557
…		…
1008		1576
1009	sub exists($) {	1577	sub exists($) {
1010	my ($login) = @_;	1578	my ($login) = @_;
1011		1579
1012	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1014	}	1582	}
1015		1583
1016	sub find($) {	1584	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1586	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1597
1030	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1033	}	1607	}
1034	}	1608	}
1035	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1036		1623
1037	sub save($) {	1624	sub save($) {
1038	my ($pl) = @_;	1625	my ($pl) = @_;
1039		1626
1040	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1046		1633
1047	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1049		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1050	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1051	Coro::cede;	1643	cf::cede_to_tick;
1052	}	1644	}
1053		1645
1054	sub new($) {	1646	sub new($) {
1055	my ($login) = @_;	1647	my ($login) = @_;
1056		1648
…		…
1062	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1063		1655
1064	$self	1656	$self
1065	}	1657	}
1066		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1067	=item $pl->quit_character	1669	=item $pl->quit_character
1068		1670
1069	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1071		1673
…		…
1075	my ($pl) = @_;	1677	my ($pl) = @_;
1076		1678
1077	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1078		1680
1079	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1683
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1085	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1086		1692
1087	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1124	or return [];	1730	or return [];
1125		1731
1126	my @logins;	1732	my @logins;
1127		1733
1128	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1132		1744
1133	utf8::decode $login;	1745	utf8::decode $login;
1134	push @logins, $login;	1746	push @logins, $login;
1135	}	1747	}
1136		1748
1137	\@logins	1749	\@logins
1138	}	1750	}
1139		1751
1140	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1141		1755
1142	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1143	player. May block.	1757	player. May block.
1144		1758
1145	=cut	1759	=cut
…		…
1163	}	1777	}
1164		1778
1165	\@paths	1779	\@paths
1166	}	1780	}
1167		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1168	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1169		1787
1170	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1171		1789
1172	=cut	1790	=cut
1173		1791
1174	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1176		1794
1177	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1796	}
1181		1797
1182	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1183		1799
1184	Sends an ext event to the client.	1800	Sends an ext event to the client.
1185		1801
1186	=cut	1802	=cut
1187		1803
1188	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1190		1806
1191	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1192	}	1808	}
1193		1809
1194	=head3 cf::region	1810	=head3 cf::region
1195		1811
1196	=over 4	1812	=over 4
…		…
1199		1815
1200	package cf::region;	1816	package cf::region;
1201		1817
1202	=item cf::region::find_by_path $path	1818	=item cf::region::find_by_path $path
1203		1819
1204	Tries to decuce the probable region for a map knowing only its path.	1820	Tries to decuce the likely region for a map knowing only its path.
1205		1821
1206	=cut	1822	=cut
1207		1823
1208	sub find_by_path($) {	1824	sub find_by_path($) {
1209	my ($path) = @_;	1825	my ($path) = @_;
1210		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1211	my ($match, $specificity);	1829	my ($match, $specificity);
1212		1830
1213	for my $region (list) {	1831	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1217	}	1835	}
1218	}	1836	}
1219		1837
…		…
1240	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1242		1860
1243	sub generate_random_map {	1861	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1246	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	1867	}
1260		1868
1261	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1262		1870
1263	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1268		1876
1269	sub register {	1877	sub register {
1270	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	1879	my $pkg = caller;
1272		1880
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		1882
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	1884	}
1278		1885
1279	# also paths starting with '/'	1886	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		1888
1282	sub thawer_merge {	1889	sub thawer_merge {
1283	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1284		1891
1285	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1286	local $self->{path};	1893	local $self->{path};
1287	local $self->{load_path};	1894	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1895
1291	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1292	}	1897	}
1293		1898
1294	sub normalise {	1899	sub normalise {
1295	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1296		1901
1297	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1298		1903
1299	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1300		1905
1301	# map plan:	1906	# map plan:
1302	#	1907	#
…		…
1317	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	1923	$path = "$base/$path";
1319	}	1924	}
1320		1925
1321	for ($path) {	1926	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1325	}	1929	}
1326		1930
1327	$path	1931	$path
…		…
1341	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1342	return $self;	1946	return $self;
1343	}	1947	}
1344	}	1948	}
1345		1949
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	1951	()
1348	}	1952	}
1349		1953
1350	sub init {	1954	sub init {
1351	my ($self) = @_;	1955	my ($self) = @_;
…		…
1373		1977
1374	# the temporary/swap location	1978	# the temporary/swap location
1375	sub save_path {	1979	sub save_path {
1376	my ($self) = @_;	1980	my ($self) = @_;
1377		1981
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1983	"$TMPDIR/$path.map"
1380	}	1984	}
1381		1985
1382	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1383	sub uniq_path {	1987	sub uniq_path {
1384	my ($self) = @_;	1988	my ($self) = @_;
1385		1989
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1991	"$UNIQUEDIR/$path"
1388	}	1992	}
1389		1993
1390	# and all this just because we cannot iterate over	1994	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	1995	my ($self) = @_;
1394		1996
1395	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1397	}	2000	}
1398		2001
1399	sub unlink_save {	2002	sub unlink_save {
1400	my ($self) = @_;	2003	my ($self) = @_;
1401		2004
…		…
1406		2009
1407	sub load_header_from($) {	2010	sub load_header_from($) {
1408	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1409		2012
1410	utf8::encode $path;	2013	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1416		2022
1417	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1418		2024
1419	1	2025	1
1420	}	2026	}
…		…
1459	$self->load_header_orig	2065	$self->load_header_orig
1460	or return;	2066	or return;
1461	$self->prepare_orig;	2067	$self->prepare_orig;
1462	}	2068	}
1463		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
1464	$self->default_region (cf::region::find_by_path $self->{path})	2073	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2074	unless $self->default_region;
1466		2075
1467	1	2076	1
1468	}	2077	}
1469		2078
1470	sub find;	2079	sub find;
1471	sub find {	2080	sub find {
1472	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1473		2082
		2083	cf::cede_to_tick;
		2084
1474	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1475		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2089
1478	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1481	or return;	2092	or return;
1482		2093
1483	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1484		2095
1485	$map->load_header	2096	$map->load_header
1486	or return;	2097	or return;
1487		2098
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1491	$map->reset;	2104	$map->reset;
1492	undef $guard;
1493	return find $path;	2105	return find $path;
1494	}	2106	}
1495		2107
1496	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1497	}	2109	}
1498	}	2110	}
1499		2111
1500	sub pre_load { }	2112	sub pre_load { }
1501	sub post_load { }	2113	#sub post_load { } # XS
1502		2114
1503	sub load {	2115	sub load {
1504	my ($self) = @_;	2116	my ($self) = @_;
1505		2117
1506	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1507		2119
1508	my $path = $self->{path};	2120	my $path = $self->{path};
1509		2121
1510	{	2122	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1512		2124
		2125	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2127
1515	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1516		2129
1517	$self->alloc;	2130	$self->alloc;
1518		2131
1519	$self->pre_load;	2132	$self->pre_load;
1520	Coro::cede;	2133	cf::cede_to_tick;
1521		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2137	$self->_load_objects ($f)
1523	or return;	2138	or return;
1524		2139
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1526	if delete $self->{load_original};	2141	if delete $self->{load_original};
1527		2142
1528	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2144	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2147	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1533	}	2151	}
1534	}	2152	}
1535		2153
1536	Coro::cede;	2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1537	# now do the right thing for maps	2157	# now do the right thing for maps
1538	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2160	unless $self->difficulty;
1541	Coro::cede;	2161	cf::cede_to_tick;
1542		2162
1543	unless ($self->{deny_activate}) {	2163	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2164	$self->decay_objects;
1545	$self->fix_auto_apply;	2165	$self->fix_auto_apply;
1546	$self->update_buttons;	2166	$self->update_buttons;
1547	Coro::cede;	2167	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2168	$self->activate;
1551	}	2169	}
1552		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2175	}
1555		2176
1556	$self->post_load;	2177	$self->post_load;
1557	}
1558		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2185	sub customise_for {
1560	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1561		2187
1562	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2189	if $self->per_player;
1564		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1565	$self	2194	$self
1566	}	2195	}
1567		2196
1568	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2198	sub load_neighbours {
1570	my ($map) = @_;	2199	my ($map) = @_;
1571		2200
1572	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1573		2202
1574	for (0 .. 3) {	2203	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1576	or next;	2205	or next;
1577	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1578	or next;	2207	or next;
1579	$neigh->load;	2208	$neigh->load;
1580		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2214	}
1584		2215
1585	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1587	or next;	2219	or next;
1588	$neigh->load;	2220	$neigh->load;
1589	}	2221	}
1590	}	2222	}
1591		2223
1592	sub find_sync {	2224	sub find_sync {
1593	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1594		2226
1595	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1596	}	2231	}
1597		2232
1598	sub do_load_sync {	2233	sub do_load_sync {
1599	my ($map) = @_;	2234	my ($map) = @_;
1600		2235
1601	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1602	}	2240	}
1603		2241
1604	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1606		2244
1607	sub find_async {	2245	sub find_async {
1608	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1609		2247
1610	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1611		2249
1612	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2252	}
1615		2253
1616	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1617	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1618	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2261	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2262	$map->load if $v;
		2263	}
1623		2264
1624	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1625	}	2266	}
1626	}	2267	}
1627	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1628	};	2269	};
1629	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1630		2271
1631	()	2272	()
1632	}	2273	}
1633		2274
		2275	# common code, used by both ->save and ->swapout
1634	sub save {	2276	sub _save {
1635	my ($self) = @_;	2277	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2278
1639	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1640		2280
1641	return unless $self->dirty;	2281	return unless $self->dirty;
1642		2282
…		…
1648	return if $self->{deny_save};	2288	return if $self->{deny_save};
1649		2289
1650	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1651		2291
1652	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1654	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1655		2298
1656	if ($uniq) {	2299	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2302	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2304	}
1662	}	2305	}
1663		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1664	sub swap_out {	2315	sub swap_out {
1665	my ($self) = @_;	2316	my ($self) = @_;
1666		2317
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1672	return if $self->players;	2322	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1676	$self->clear;	2333	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2334	}
1679		2335
1680	sub reset_at {	2336	sub reset_at {
1681	my ($self) = @_;	2337	my ($self) = @_;
1682		2338
1683	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1686		2341
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2344
…		…
1700	my ($self) = @_;	2355	my ($self) = @_;
1701		2356
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2358
1704	return if $self->players;	2359	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2360
1707	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1708		2362
1709	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1710		2364
1711	# need to save uniques path	2365	# need to save uniques path
1712	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2370	if $uniq;
1717	}	2371	}
1718		2372
1719	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1720		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2377	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2378
1725	$self->unlink_save;	2379	$self->unlink_save;
1726	$self->destroy;	2380	$self->destroy;
1727	}	2381	}
1728		2382
1729	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1730		2384
1731	sub nuke {	2385	sub nuke {
1732	my ($self) = @_;	2386	my ($self) = @_;
1733		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1734	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1735		2392
1736	$self->unlink_save;	2393	$self->unlink_save;
1737		2394
1738	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2400
1744	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1745		2403
1746	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1747	}	2441	}
1748		2442
1749	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1750		2444
1751	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2446	instantiated unique items. May block.
1753		2447
1754	=cut	2448	=cut
1755		2449
1756	sub unique_maps() {	2450	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2451	[
1758	or return;	2452	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2453	utf8::decode $_;
1764	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2456	? ()
1767	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2459	]
1769
1770	\@paths
1771	}	2460	}
1772		2461
1773	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1774		2493
1775	=back	2494	=back
1776		2495
1777	=head3 cf::object	2496	=head3 cf::object
1778		2497
…		…
1782		2501
1783	=over 4	2502	=over 4
1784		2503
1785	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1786		2505
1787	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1788		2508
1789	=cut	2509	=cut
1790		2510
1791	sub inv_recursive_;	2511	sub inv_recursive_;
1792	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1795		2515
1796	sub inv_recursive {	2516	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1798	}	2518	}
1799		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1800	package cf;	2548	package cf;
1801		2549
1802	=back	2550	=back
1803		2551
1804	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1813		2561
1814	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1815		2577
1816	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2579	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1821		2583
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2585
1824	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1826	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1829	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1830	}	2611	}
1831		2612
1832	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1833		2614
1834	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1847		2628
1848	=item $player_object->enter_link	2629	=item $player_object->enter_link
1849		2630
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2632
1852	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1854		2637
1855	Will never block.	2638	Will never block.
1856		2639
1857	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1858		2641
…		…
1878	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2662	my ($self) = @_;
1880		2663
1881	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1882		2665
		2666	++$self->{_link_recursion};
		2667
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2669
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1887		2672
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2674	}
1890		2675
1891	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1893		2680
1894	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1895		2682
1896	unless ($map) {	2683	unless ($map) {
1897	# restore original map position	2684	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1910		2697
1911	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1914		2701
1915	$map->load;	2702	$map->load;
1916	$map->load_diag;	2703	$map->load_neighbours;
1917		2704
1918	return unless $self->contr->active;	2705	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2706
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1923	}	2709	# entering was successful
1924		2710	delete $self->{_link_recursion};
1925	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2712	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2713	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2714
1939	# try to abort aborted map switching on player login :)	2715	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2716
1957	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1959	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1960		2731
1961	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2743
1964	$self->enter_link;	2744	$self->enter_link;
1965		2745
1966	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1967	my $map = eval {	2768	my $map = eval {
1968	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1970	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2784	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1975	})->prio (1);	2792	})->prio (1);
1976	}	2793	}
1977		2794
1978	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1979		2796
…		…
1999	}	2816	}
2000		2817
2001	sub prepare_random_map {	2818	sub prepare_random_map {
2002	my ($exit) = @_;	2819	my ($exit) = @_;
2003		2820
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2823	# that depends on the exit object
2009		2824
2010	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2827	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
2017	}	2834	}
2018		2835
2019	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
2020		2837
2021	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
2024		2841
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2844	undef $fh;
2028	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
2029		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
2032	}	2853	}
2033	}	2854	}
2034		2855
2035	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
2037		2858
2038	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
2039		2860
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2861	$self->enter_link;
2052		2862
2053	(async {	2863	(async {
2054	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
2055	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
2056	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
2057		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
2058	1;	2887	1
2059	}) {	2888	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2893
2065	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	2895	$self->leave_link;
2067	}	2896	}
2068	})->prio (1);	2897	})->prio (1);
2069	}	2898	}
2070		2899
…		…
2084		2913
2085	utf8::encode $text;	2914	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2916	}
2088		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
2089	=item $client->ext_event ($type, %msg)	3105	=item $client->ext_msg ($type, @msg)
2090		3106
2091	Sends an exti event to the client.	3107	Sends an ext event to the client.
2092		3108
2093	=cut	3109	=cut
2094		3110
2095	sub cf::client::ext_event($$%) {	3111	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3112	my ($self, $type, @msg) = @_;
2097		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3117	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
2100	}	3138	}
2101		3139
2102	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2103		3141
2104	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3145
2108	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3147	become reliable at some point in the future.
2110		3148
2111	=cut	3149	=cut
2112		3150
2113	sub cf::client::query {	3151	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3160	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3162
2125	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2127	}	3167	}
2128		3168
2129	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2130	on_reply => sub {	3175	on_reply => sub {
2131	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2132		3177
2133	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2134	# get handled first	3179	# get handled first
…		…
2146	} else {	3191	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3193	}
2149	}	3194	}
2150	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2151	);	3222	);
2152		3223
2153	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2154		3225
2155	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3242
2172	$coro	3243	$coro
2173	}	3244	}
2174		3245
2175	cf::client->attach (	3246	cf::client->attach (
2176	on_destroy => sub {	3247	on_client_destroy => sub {
2177	my ($ns) = @_;	3248	my ($ns) = @_;
2178		3249
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3251	},
2181	);	3252	);
…		…
2196	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2198		3269
2199	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2200		3271
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2202		3277
2203	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2204		3279
2205	=pod	3280	=pod
2206		3281
2207	The following functions and methods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2208		3283
2209	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2210	cf::object::player player	3289	cf::object::player
2211	cf::player peaceful	3290	player
2212	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2213		3297
2214	=cut	3298	=cut
2215		3299
2216	for (	3300	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2221	) {	3307	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3310	for @funs;
2226	}	3311	}
2227		3312
…		…
2242		3327
2243	my $qcode = $code;	3328	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2246		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2247	local $_;	3335	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3336
2250	my $eval =	3337	my $eval =
2251	"do {\n"	3338	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3341	. $code
2255	. "\n}"	3342	. "\n}"
2256	;	3343	;
2257		3344
		3345	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2261		3354
2262	if ($@) {	3355	if ($@) {
2263	warn "$@";	3356	warn "$@",
2264	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2266	}	3359	}
2267		3360
2268	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2269	}	3362	}
2270		3363
…		…
2284	=cut	3377	=cut
2285		3378
2286	sub register_script_function {	3379	sub register_script_function {
2287	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2288		3381
2289	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2291	}	3384	}
2292		3385
2293	=back	3386	=back
2294		3387
2295	=cut	3388	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3389
2471	#############################################################################	3390	#############################################################################
2472	# the server's init and main functions	3391	# the server's init and main functions
2473		3392
2474	sub load_facedata($) {	3393	sub load_facedata($) {
2475	my ($path) = @_;	3394	my ($path) = @_;
2476		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2477	warn "loading facedata from $path\n";	3402	trace "loading facedata from $path\n";
2478		3403
2479	my $facedata;
2480	0 < aio_load $path, $facedata	3404	0 < aio_load $path, my $facedata
2481	or die "$path: $!";	3405	or die "$path: $!";
2482		3406
2483	$facedata = Coro::Storable::thaw $facedata;	3407	$facedata = Coro::Storable::thaw $facedata;
2484		3408
2485	$facedata->{version} == 2	3409	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
2488	{	3421	{
2489	my $faces = $facedata->{faceinfo};	3422	my $faces = $facedata->{faceinfo};
2490		3423
2491	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3426
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
2497	}	3434	}
2498		3435
2499	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3437	next unless $info->{smooth};
		3438
2501	my $idx = cf::face::find $face	3439	my $idx = cf::face::find $face
2502	or next;	3440	or next;
		3441
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3445	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3446	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3447	}
2508	Coro::cede;	3448
		3449	cf::cede_to_tick;
2509	}	3450	}
2510	}	3451	}
2511		3452
2512	{	3453	{
2513	my $anims = $facedata->{animinfo};	3454	my $anims = $facedata->{animinfo};
2514		3455
2515	while (my ($anim, $info) = each %$anims) {	3456	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3458	cf::cede_to_tick;
2518	}	3459	}
2519		3460
2520	cf::anim::invalidate_all; # d'oh	3461	cf::anim::invalidate_all; # d'oh
2521	}	3462	}
2522		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
2523	1	3483	1
2524	}	3484	}
2525		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
2526	sub reload_regions {	3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
2527	load_resource_file "$MAPDIR/regions"	3509	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
2529	}	3516	}
2530		3517
2531	sub reload_facedata {	3518	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3519	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3520	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3528	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3529	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3530	or die "unable to load treasurelists\n";
2544	}	3531	}
2545		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2546	sub reload_resources {	3556	sub reload_resources {
2547	warn "reloading resource files...\n";	3557	trace "reloading resource files...\n";
2548		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
2549	reload_regions;	3564	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3565	reload_treasures;
2553		3566
2554	warn "finished reloading resource files\n";	3567	trace "finished reloading resource files\n";
2555	}	3568	}
2556		3569
2557	sub init {	3570	sub reload_config {
2558	reload_resources;	3571	trace "reloading config file...\n";
2559	}
2560		3572
2561	sub cfg_load {	3573	0 < aio_load "$CONFDIR/config", my $config
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3574	or die "$CONFDIR/config: $!";
2563	or return;
2564		3575
2565	local $/;	3576	utf8::decode $config;
2566	*CFG = YAML::Syck::Load <$fh>;	3577	*CFG = yaml_load $config;
2567		3578
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3580
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3583
2573	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2577	};	3588	};
2578	warn $@ if $@;	3589	warn $@ if $@;
2579	}	3590	}
2580	}	3591	}
2581		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2582	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2583	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3634	(async {
2587	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2589	};	3638	};
2590		3639
2591	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2592	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2593	load_extensions;	3663	load_extensions;
2594		3664
2595	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2597	}	3683	}
2598		3684
2599	#############################################################################	3685	#############################################################################
2600	# initialisation and cleanup	3686	# initialisation and cleanup
2601		3687
2602	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2603	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3693	cf::cleanup "SIG$signal";
2612	},
2613	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2614	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2615	}	3784	}
2616		3785
2617	sub emergency_save() {	3786	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2619		3788
2620	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2621		3795
2622	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2623	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3807	$pl->save;
2631	}	3808	}
2632	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2633		3810
2634	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3816	$map->valid or next;
2638	$map->save;	3817	$map->save;
2639	}	3818	}
2640	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2641		3820
2642	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2645	};	3849	};
2646		3850
2647	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2648	}	3852	}
2649		3853
2650	sub post_cleanup {	3854	sub post_cleanup {
2651	my ($make_core) = @_;	3855	my ($make_core) = @_;
2652		3856
		3857	IO::AIO::flush;
		3858
2653	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
2655	}	3889	}
2656		3890
2657	sub do_reload_perl() {	3891	sub do_reload_perl() {
2658	# can/must only be called in main	3892	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2660	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2661	return;	3895	return;
2662	}	3896	}
2663		3897
2664	warn "reloading...";	3898	return if $RELOAD++;
2665		3899
2666	warn "entering sync_job";	3900	my $t1 = AE::time;
2667		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2668	cf::sync_job {	3908	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	3909	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		3910
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	3911	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	3913	%EXT_CORO = ();
2697		3914
2698	warn "removing commands";	3915	trace "perl_reload: removing commands";
2699	%COMMAND = ();	3916	%COMMAND = ();
2700		3917
2701	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2703		3921
2704	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2707		3925
2708	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2709	eval {	3927	eval {
2710	$cb->($pkg);	3928	$cb->($pkg);
2711	1	3929	1
2712	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2713	}	3935	}
2714		3936
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3940
2723	warn "... unloading $k";	3941	trace "... unloading $k";
2724	delete $INC{$k};	3942	delete $INC{$k};
2725		3943
2726	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2728		3946
2729	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2731	}	3952	}
2732		3953
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3957
2740	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		3961
2744	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3963	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2747		3965
2748	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2749		3967
2750	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2751	require cf;	3969	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2753		3971
2754	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	3973	cf::reload_config;
2756		3974
2757	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	3976	cf::load_extensions;
2759		3977
		3978	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
2766		3986
2767	warn "leaving sync_job";	3987	cf::_post_init 1;
2768		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
2769	1	3991	1
2770	} or do {	3992	} or do {
2771	warn $@;	3993	error $@;
2772	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	3995	};
		3996
		3997	--$RELOAD;
2774	};	3998	}
2775		3999
2776	warn "reloaded";	4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
2777	};	4002	};
2778		4003
2779	our $RELOAD_WATCHER; # used only during reload	4004	our $RELOAD_WATCHER; # used only during reload
2780		4005
2781	sub reload_perl() {	4006	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4007	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4008	# coro crashes during coro_state_free->destroy here.
2784		4009
2785	$RELOAD_WATCHER ||= Event->timer (	4010	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4011	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4012
2788	data => WF_AUTOCANCEL,	4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4014	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4015	undef $RELOAD_WATCHER;
2792	},	4016	};
2793	);	4017	};
2794	}	4018	}
2795		4019
2796	register_command "reload" => sub {	4020	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2798		4022
2799	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4027	reload_perl;
		4028	};
2802	}	4029	}
2803	};	4030	};
2804		4031
2805	unshift @INC, $LIBDIR;	4032	#############################################################################
2806		4033
2807	my $bug_warning = 0;	4034	my $bug_warning = 0;
2808		4035
2809	our @WAIT_FOR_TICK;	4036	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	4037	our @WAIT_FOR_TICK_BEGIN;
2811		4038
2812	sub wait_for_tick {	4039	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815		4041
2816	my $signal = new Coro::Signal;	4042	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	4043	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	4044	$signal->wait;
2819	}	4045	}
2820		4046
2821	sub wait_for_tick_begin {	4047	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824		4049
2825	my $signal = new Coro::Signal;	4050	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4051	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4052	$signal->wait;
2828	}	4053	}
2829		4054
2830	$TICK_WATCHER = Event->timer (	4055	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2840	return;	4059	return;
2841	}	4060	}
2842		4061
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2846		4063
2847	$RUNTIME += $TICK;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848	$NEXT_TICK += $TICK;
2849		4065
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4068	Coro::async_pool {
		4069	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4070	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4072	};
		4073	}
2857		4074
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4076	$sig->send;
2869	}	4077	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	4078	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	4079	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4080	}
2876	);	4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
2877		4093
2878	{	4094	{
2879	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4096
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4097	BDB::min_parallel 16;
2889		4098	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4099	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4100
2905	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4108
2908	cf::sync_job {	4109	cf::sync_job {
2909	eval {	4110	eval {
2910	BDB::db_env_open	4111	BDB::db_env_open
2911	$DB_ENV,	4112	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4116	0666;
2916		4117
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4119	};
2922		4120
2923	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4122	};
2925	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2926	}	4134	}
2927		4135
2928	{	4136	{
		4137	# configure IO::AIO
		4138
2929	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4141	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4142	}
2942		4143
2943	my $_log_backtrace;	4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
2944		4146
2945	sub _log_backtrace {	4147	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4148	my ($msg, @addr) = @_;
2947		4149
2948	$msg =~ s/\n//;	4150	$msg =~ s/\n$//;
2949		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4155	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
2953	async {	4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
2954	my @bt = fork_call {	4163	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4164	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4167	or die "addr2line: $!";
…		…
2966	}	4175	}
2967		4176
2968	@funcs	4177	@funcs
2969	};	4178	};
2970		4179
2971	LOG llevInfo, "[ABT] $msg\n";	4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4182	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4183	--$_log_backtrace;
2974	};	4184	};
2975	} else {	4185	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4188	}
2979	}	4189	}
2980		4190
2981	# load additional modules	4191	# load additional modules
2982	use cf::pod;	4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2983		4194
2984	END { cf::emergency_save }	4195	END { cf::emergency_save }
2985		4196
2986	1	4197	1
2987		4198

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