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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 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 Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		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::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	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.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	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	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		300
151	# 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
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$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;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[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	}
217	}	403	}
218		404
219	=item cf::lock_wait $string	405	=item cf::lock_wait $string
220		406
221	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
222		408
223	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
224		410
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
228	returned.	414	returned.
229		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
230	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
231	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
232		421
233	=cut	422	=item $locked = cf::lock_active $string
234		423
235	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
236		429
237	sub lock_wait($) {	430	sub lock_wait($) {
238	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	432	}
246		433
247	sub lock_acquire($) {	434	sub lock_acquire($) {
248	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
249		437
250	# wait, to be sure we are not locked	438	sub lock_active($) {
251	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	440	}
260		441
261	sub freeze_mainloop {	442	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
263		444
264	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	446	}
266	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
267	};	512	}
268	$WRITE_RUNTIME_WATCHER->stop;	513	};
269	$TICK_WATCHER->stop;	514
270	$guard	515	sub get_slot($;$$) {
		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	$sig->wait;
271	}	528	}
272		529
273	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
274		531
275	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		537
281	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
282		539
283	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
284		541
285	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
288		546
289	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
292	fast or be very important.	550	fast or be very important.
…		…
294	=cut	552	=cut
295		553
296	sub sync_job(&) {	554	sub sync_job(&) {
297	my ($job) = @_;	555	my ($job) = @_;
298		556
299	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
300	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
302		562
303	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	564
305	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
306		566
307	my $busy = 1;	567	my $busy = 1;
308	my @res;	568	my @res;
309		569
310	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	572	@res = eval { $job->() };
312	warn $@ if $@;	573	error $@ if $@;
313	undef $busy;	574	undef $busy;
314	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
315		576
316	while ($busy) {	577	while ($busy) {
317	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
318	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
319		588
320	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
321	} else {	590	} else {
322	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
323		592
…		…
343	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
344		613
345	$coro	614	$coro
346	}	615	}
347		616
348	sub write_runtime {	617	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		618
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		623
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		625
358	aio_fsync $fh	626	sub post_fork {
359	and return;	627	reset_signals;
		628	}
360		629
361	close $fh	630	sub fork_call(&@) {
362	or return;	631	my ($cb, @args) = @_;
363		632
364	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
365	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
366		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
367	1	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 $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		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 $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	821	}
369		822
370	=back	823	=back
371		824
372	=cut	825	=cut
373		826
374	#############################################################################	827	#############################################################################
375		828
376	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
377		830
378	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
379	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")
380	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
381		834
382	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>
383	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
384	crossfire+).	837	Deliantra).
385		838
386	=over 4	839	=over 4
387		840
388	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
389		842
…		…
433	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
434		887
435	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
437		890
438	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		893
441	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
442		895
443	=over 4	896	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	957	our @CB_MAP = ();
505		958
506	my %attachment;	959	my %attachment;
507		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
508	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
510		969
511	use sort 'stable';	970	use sort 'stable';
512		971
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
547		1006
548	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		1011
553	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
555		1014
556	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
561		1020
562	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
563	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
564		1023
565	} elsif (ref $type) {	1024	} elsif (ref $type) {
566	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
567		1026
568	} else {	1027	} else {
569	shift @arg;	1028	shift @arg;
570	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
571	}	1030	}
572	}	1031	}
573	}	1032	}
574		1033
575	sub _object_attach {	1034	sub _object_attach {
…		…
585	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
586	}	1045	}
587		1046
588	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
589	} else {	1048	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
591	}	1050	}
592		1051
593	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
594	}	1053	}
595		1054
…		…
597	if (ref $_[0]) {	1056	if (ref $_[0]) {
598	_object_attach @_;	1057	_object_attach @_;
599	} else {	1058	} else {
600	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
601	}	1060	}
		1061	_recalc_want;
602	};	1062	};
603		1063
604	# all those should be optimised	1064	# all those should be optimised
605	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1070	reattach ($obj);
611	} else {	1071	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
613	}	1073	}
		1074	_recalc_want;
614	};	1075	};
615		1076
616	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
618		1079
…		…
633	";	1094	";
634	die if $@;	1095	die if $@;
635	}	1096	}
636		1097
637	our $override;	1098	our $override;
638	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?
639		1100
640	sub override {	1101	sub override {
641	$override = 1;	1102	$override = 1;
642	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
643	}	1104	}
644		1105
645	sub do_invoke {	1106	sub do_invoke {
646	my $event = shift;	1107	my $event = shift;
647	my $callbacks = shift;	1108	my $callbacks = shift;
648		1109
649	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
650		1111
651	local $override;	1112	local $override;
652		1113
653	for (@$callbacks) {	1114	for (@$callbacks) {
654	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
655		1116
656	if ($@) {	1117	if ($@) {
657	warn "$@";
658	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
659	override;	1119	override;
660	}	1120	}
661		1121
662	return 1 if $override;	1122	return 1 if $override;
663	}	1123	}
664		1124
665	0	1125	0
666	}	1126	}
667		1127
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1129
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1131
672	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
673		1133
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1137
678	=back	1138	=back
679		1139
680	=cut	1140	=cut
681		1141
682	#############################################################################	1142	#############################################################################
683	# 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	}
684		1186
685	sub reattach {	1187	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1193
689	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
690		1195
691	@$registry = ();	1196	@$registry = ();
692		1197
…		…
697	for (@$attach) {	1202	for (@$attach) {
698	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
699	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
700	}	1205	}
701	} else {	1206	} else {
702	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
703	}	1208	}
704	}	1209	}
705	}	1210	}
706		1211
707	cf::attachable->attach (	1212	cf::attachable->attach (
708	prio => -1000000,	1213	prio => -1000000,
709	on_instantiate => sub {	1214	on_instantiate => sub {
710	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
711		1216
712	$data = from_json $data;	1217	$data = decode_json $data;
713		1218
714	for (@$data) {	1219	for (@$data) {
715	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
716		1221
717	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1238	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
735		1240
736	sync_job {	1241	sync_job {
737	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
740		1247
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
744	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
745	close $fh;	1255	aio_close $fh;
746		1256
747	if (@$objs) {	1257	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		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;
752	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
753	close $fh;	1266	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
755	}	1268	}
756	} else {	1269	} else {
757	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
758	}	1271	}
759		1272
760	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1277	} else {
762	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
763	}	1279	}
764	} else {	1280	} else {
765	aio_unlink $filename;	1281	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
767	}	1283	}
768	}	1284	};
769	}	1285	}
770		1286
771	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
773		1289
…		…
785	or return;	1301	or return;
786		1302
787	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
789	or return;	1305	or return;
		1306
790	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
791	}	1309	}
792		1310
		1311	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
795	return ($data, $av);	1316	($data, $av)
796	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
797		1324
798	#############################################################################	1325	#############################################################################
799	# command handling &c	1326	# command handling &c
800		1327
801	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1342	}
816		1343
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1345
819	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.
820		1351
821	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
822	called.	1353	called.
823		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
824	=cut	1366	=cut
825		1367
826	sub register_extcmd {	1368	sub register_extcmd {
827	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
828		1370
829	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
830	}	1372	}
831		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
832	cf::player->attach (	1382	cf::player->attach (
833	on_command => sub {	1383	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
835		1385
836	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
837	or return;	1387	or return;
838		1388
…		…
843	cf::override;	1393	cf::override;
844	},	1394	},
845	on_extcmd => sub {	1395	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
847		1397
848	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1399
850	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
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
856	} else {	1415	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1417	}
859		1418
860	cf::override;	1419	cf::override;
861	},	1420	},
862	);	1421	);
863		1422
		1423	# "readahead" all extensions
864	sub load_extension {	1424	sub cache_extensions {
865	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
866		1426
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1430	}
892	die $@;
893	}	1431	};
894		1432
895	push @EXTS, $pkg;	1433	$grp
896	}	1434	}
897		1435
898	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
899	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1443	next unless -r $path;
901	eval {	1444
902	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	}
903	1	1508	}
904	} 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	}
905	}	1519	};
906	}	1520	}
907		1521
908	#############################################################################	1522	#############################################################################
909		1523
		1524	=back
		1525
910	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
911		1527
912	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
913		1529
914	=cut	1530	=cut
915		1531
916	package cf::player;	1532	package cf::player;
917		1533
…		…
919		1535
920	=head3 cf::player	1536	=head3 cf::player
921		1537
922	=over 4	1538	=over 4
923		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	}
		1553
924	=item cf::player::find $login	1554	=item cf::player::find $login
925		1555
926	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
927		1557
928	=cut	1558	=cut
929		1559
930	sub playerdir($) {	1560	sub playerdir($) {
931	cf::localdir	1561	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1563	}
937		1564
938	sub path($) {	1565	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1567
941	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
942	}	1569	}
943		1570
944	sub find_active($) {	1571	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
949		1576
950	sub exists($) {	1577	sub exists($) {
951	my ($login) = @_;	1578	my ($login) = @_;
952		1579
953	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
955	}	1582	}
956		1583
957	sub find($) {	1584	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1586	my $login = $_[0];
960		1587
961	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
962		1589
963	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
965	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;
966	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
967	}	1607	}
968	}	1608	}
969	}	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	);
970		1623
971	sub save($) {	1624	sub save($) {
972	my ($pl) = @_;	1625	my ($pl) = @_;
973		1626
974	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
980		1633
981	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
983		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
984	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
985	Coro::cede;	1643	cf::cede_to_tick;
986	}	1644	}
987		1645
988	sub new($) {	1646	sub new($) {
989	my ($login) = @_;	1647	my ($login) = @_;
990		1648
…		…
996	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
997		1655
998	$self	1656	$self
999	}	1657	}
1000		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
1001	=item $pl->quit_character	1669	=item $pl->quit_character
1002		1670
1003	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
1004	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1005		1673
1006	=cut	1674	=cut
1007		1675
1008	sub quit_character {	1676	sub quit_character {
1009	my ($pl) = @_;	1677	my ($pl) = @_;
1010		1678
		1679	my $name = $pl->ob->name;
		1680
1011	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1012	$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
1013		1683
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1015	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1017	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1018		1692
1019	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1024	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1025	}	1719	}
1026		1720
1027	=item cf::player::list_logins	1721	=item cf::player::list_logins
1028		1722
1029	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1031		1725
1032	=cut	1726	=cut
1033		1727
1034	sub list_logins {	1728	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1730	or return [];
1037		1731
1038	my @logins;	1732	my @logins;
1039		1733
1040	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") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1044		1744
1045	utf8::decode $login;	1745	utf8::decode $login;
1046	push @logins, $login;	1746	push @logins, $login;
1047	}	1747	}
1048		1748
1049	\@logins	1749	\@logins
1050	}	1750	}
1051		1751
1052	=item $player->maps	1752	=item $player->maps
1053		1753
		1754	=item cf::player::maps $login
		1755
1054	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1055	player. May block.	1757	player. May block.
1056		1758
1057	=cut	1759	=cut
1058		1760
1059	sub maps($) {	1761	sub maps($) {
1060	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1765
1062	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1063	or return;	1767	or return;
1064		1768
1065	my @paths;	1769	my @paths;
…		…
1067	for (@$files) {	1771	for (@$files) {
1068	utf8::decode $_;	1772	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1071		1775
1072	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1777	}
1075		1778
1076	\@paths	1779	\@paths
1077	}	1780	}
1078		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1080		1787
1081	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1082		1789
1083	=cut	1790	=cut
1084		1791
1085	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1087		1794
1088	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1796	}
1092		1797
1093	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1094		1840
1095	=back	1841	=back
1096
1097		1842
1098	=head3 cf::map	1843	=head3 cf::map
1099		1844
1100	=over 4	1845	=over 4
1101		1846
…		…
1105		1850
1106	use Fcntl;	1851	use Fcntl;
1107	use Coro::AIO;	1852	use Coro::AIO;
1108		1853
1109	use overload	1854	use overload
1110	'""' => \&as_string;	1855	'""' => \&as_string,
		1856	fallback => 1;
1111		1857
1112	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1114		1860
1115	sub generate_random_map {	1861	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1117		1863
1118	# mit "rum" bekleckern, nicht	1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1119	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1127	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1128	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)
1132	}	1867	}
		1868
		1869	=item cf::map->register ($regex, $prio)
		1870
		1871	Register a handler for the map path matching the given regex at the
		1872	givne priority (higher is better, built-in handlers have priority 0, the
		1873	default).
		1874
		1875	=cut
1133		1876
1134	sub register {	1877	sub register {
1135	my (undef, $regex) = @_;	1878	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1879	my $pkg = caller;
1137		1880
1138	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1882
1141	$EXT_MAP{$pkg} = qr<$regex>;	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1884	}
1143		1885
1144	# also paths starting with '/'	1886	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1888
		1889	sub thawer_merge {
		1890	my ($self, $merge) = @_;
		1891
		1892	# we have to keep some variables in memory intact
		1893	local $self->{path};
		1894	local $self->{load_path};
		1895
		1896	$self->SUPER::thawer_merge ($merge);
		1897	}
1146		1898
1147	sub normalise {	1899	sub normalise {
1148	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
		1901
		1902	$path = "$path"; # make sure it's a string
		1903
		1904	$path =~ s/\.map$//;
1149		1905
1150	# map plan:	1906	# map plan:
1151	#	1907	#
1152	# /! non-realised random map exit (special hack!)	1908	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1909	# {... are special paths that are not being touched
…		…
1166	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1167	$path = "$base/$path";	1923	$path = "$base/$path";
1168	}	1924	}
1169		1925
1170	for ($path) {	1926	for ($path) {
1171	redo if s{//}{/};
1172	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1173	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1174	}	1929	}
1175		1930
1176	$path	1931	$path
…		…
1181		1936
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1937	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1938
1184	$path = normalise $path, $base;	1939	$path = normalise $path, $base;
1185		1940
1186	for my $pkg (keys %EXT_MAP) {	1941	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1942	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1943	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1944	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1191	return $self;	1946	return $self;
1192	}	1947	}
1193	}	1948	}
1194		1949
1195	Carp::carp "unable to resolve path '$path'.";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1196	()	1951	()
1197	}	1952	}
1198		1953
1199	sub init {	1954	sub init {
1200	my ($self) = @_;	1955	my ($self) = @_;
…		…
1215		1970
1216	# the original (read-only) location	1971	# the original (read-only) location
1217	sub load_path {	1972	sub load_path {
1218	my ($self) = @_;	1973	my ($self) = @_;
1219		1974
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1221	}	1976	}
1222		1977
1223	# the temporary/swap location	1978	# the temporary/swap location
1224	sub save_path {	1979	sub save_path {
1225	my ($self) = @_;	1980	my ($self) = @_;
1226		1981
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1229	}	1984	}
1230		1985
1231	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1232	sub uniq_path {	1987	sub uniq_path {
1233	my ($self) = @_;	1988	my ($self) = @_;
1234		1989
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1237	}	1992	}
1238		1993
1239	# and all this just because we cannot iterate over	1994	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	1995	my ($self) = @_;
1243		1996
1244	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1246	}	2000	}
1247		2001
1248	sub unlink_save {	2002	sub unlink_save {
1249	my ($self) = @_;	2003	my ($self) = @_;
1250		2004
1251	utf8::encode (my $save = $self->save_path);	2005	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	2007	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	2008	}
1255		2009
1256	sub load_header_from($) {	2010	sub load_header_from($) {
1257	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1258		2012
1259	utf8::encode $path;	2013	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1261	or return;	2015	or return;
1262		2016
1263	$self->_load_header ($path)	2017	$self->_load_header ($f)
1264	or return;	2018	or return;
1265		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
		2022
1266	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1267		2024
1268	1	2025	1
1269	}	2026	}
1270		2027
1271	sub load_orig {	2028	sub load_header_orig {
1272	my ($self) = @_;	2029	my ($self) = @_;
1273		2030
1274	$self->load_header_from ($self->load_path)	2031	$self->load_header_from ($self->load_path)
1275	}	2032	}
1276		2033
1277	sub load_temp {	2034	sub load_header_temp {
1278	my ($self) = @_;	2035	my ($self) = @_;
1279		2036
1280	$self->load_header_from ($self->save_path)	2037	$self->load_header_from ($self->save_path)
		2038	}
		2039
		2040	sub prepare_temp {
		2041	my ($self) = @_;
		2042
		2043	$self->last_access ((delete $self->{last_access})
		2044	|| $cf::RUNTIME); #d#
		2045	# safety
		2046	$self->{instantiate_time} = $cf::RUNTIME
		2047	if $self->{instantiate_time} > $cf::RUNTIME;
		2048	}
		2049
		2050	sub prepare_orig {
		2051	my ($self) = @_;
		2052
		2053	$self->{load_original} = 1;
		2054	$self->{instantiate_time} = $cf::RUNTIME;
		2055	$self->last_access ($cf::RUNTIME);
		2056	$self->instantiate;
1281	}	2057	}
1282		2058
1283	sub load_header {	2059	sub load_header {
1284	my ($self) = @_;	2060	my ($self) = @_;
1285		2061
1286	if ($self->load_temp) {	2062	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2063	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2064	} else {
1293	$self->load_orig	2065	$self->load_header_orig
1294	or return;	2066	or return;
1295		2067	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2068	}
		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
1301		2075
1302	1	2076	1
1303	}	2077	}
1304		2078
1305	sub find;	2079	sub find;
1306	sub find {	2080	sub find {
1307	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1308		2082
		2083	cf::cede_to_tick;
		2084
1309	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1310		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2089
1313	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1316	or return;	2092	or return;
1317		2093
1318	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1319		2095
1320	$map->load_header	2096	$map->load_header
1321	or return;	2097	or return;
1322		2098
1323	if ($map->should_reset) {	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2100	# doing this can freeze the server in a sync job, obviously
		2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1324	$map->reset;	2104	$map->reset;
1325	undef $guard;
1326	$map = find $path	2105	return find $path;
1327	or return;
1328	}	2106	}
1329		2107
1330	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1331	}	2109	}
1332	}	2110	}
		2111
		2112	sub pre_load { }
		2113	#sub post_load { } # XS
1333		2114
1334	sub load {	2115	sub load {
1335	my ($self) = @_;	2116	my ($self) = @_;
1336		2117
		2118	local $self->{deny_reset} = 1; # loading can take a long time
		2119
1337	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1339		2124
		2125	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2127
1342	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1343		2129
1344	$self->alloc;	2130	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2131
		2132	$self->pre_load;
		2133	cf::cede_to_tick;
		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1346	or return;	2138	or return;
1347		2139
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1349	if delete $self->{load_original};	2141	if delete $self->{load_original};
1350		2142
1351	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2144	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2147	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1356	}	2151	}
1357	}	2152	}
1358		2153
1359	Coro::cede;	2154	$f->resolve_delayed_derefs;
1360		2155
		2156	cf::cede_to_tick;
1361	# now do the right thing for maps	2157	# now do the right thing for maps
1362	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2160	unless $self->difficulty;
1372	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1373	$self->activate;	2168	$self->activate;
1374	}	2169	}
1375		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2175	}
1378		2176
		2177	$self->post_load;
		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2185	sub customise_for {
1380	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1381		2187
1382	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2189	if $self->per_player;
1384		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1385	$self	2194	$self
1386	}	2195	}
1387		2196
1388	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2198	sub load_neighbours {
1390	my ($map) = @_;	2199	my ($map) = @_;
1391		2200
1392	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1393		2202
1394	for (0 .. 3) {	2203	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1396	or next;	2205	or next;
1397	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1398	or next;	2207	or next;
1399	$neigh->load;	2208	$neigh->load;
1400		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2214	}
1404		2215
1405	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1407	or next;	2219	or next;
1408	$neigh->load;	2220	$neigh->load;
1409	}	2221	}
1410	}	2222	}
1411		2223
1412	sub find_sync {	2224	sub find_sync {
1413	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1414		2226
1415	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, $origin
1416	}	2231	}
1417		2232
1418	sub do_load_sync {	2233	sub do_load_sync {
1419	my ($map) = @_;	2234	my ($map) = @_;
1420		2235
1421	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;
1422	}	2240	}
1423		2241
1424	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2243	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2244
1438	sub find_async {	2245	sub find_async {
1439	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1440		2247
1441	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1442		2249
1443	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2252	}
		2253
		2254	$MAP_PREFETCH{$path} |= $load;
		2255
		2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
		2259	while (%MAP_PREFETCH) {
		2260	while (my ($k, $v) = each %MAP_PREFETCH) {
		2261	if (my $map = find $k) {
		2262	$map->load if $v;
		2263	}
		2264
		2265	delete $MAP_PREFETCH{$k};
		2266	}
		2267	}
		2268	undef $MAP_PREFETCHER;
1445	}	2269	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2270	$MAP_PREFETCHER->prio (6);
1449		2271
1450	()	2272	()
1451	}	2273	}
1452		2274
		2275	# common code, used by both ->save and ->swapout
1453	sub save {	2276	sub _save {
1454	my ($self) = @_;	2277	my ($self) = @_;
1455
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;
1457		2278
1458	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1459		2280
1460	return unless $self->dirty;	2281	return unless $self->dirty;
1461		2282
…		…
1467	return if $self->{deny_save};	2288	return if $self->{deny_save};
1468		2289
1469	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1470		2291
1471	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1473	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1474		2298
1475	if ($uniq) {	2299	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2302	} else {
1479	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1480	}	2304	}
1481	}	2305	}
1482		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1483	sub swap_out {	2315	sub swap_out {
1484	my ($self) = @_;	2316	my ($self) = @_;
1485		2317
1486	# save first because save cedes
1487	$self->save;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1491	return if $self->players;	2322	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};
1494		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
1495	$self->clear;	2333	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2334	}
1498		2335
1499	sub reset_at {	2336	sub reset_at {
1500	my ($self) = @_;	2337	my ($self) = @_;
1501		2338
1502	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1505		2341
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2344
…		…
1513	my ($self) = @_;	2349	my ($self) = @_;
1514		2350
1515	$self->reset_at <= $cf::RUNTIME	2351	$self->reset_at <= $cf::RUNTIME
1516	}	2352	}
1517		2353
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2354	sub reset {
1533	my ($self) = @_;	2355	my ($self) = @_;
1534		2356
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2358
1537	return if $self->players;	2359	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2360
1540	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
		2362
		2363	$self->in_memory (cf::MAP_SWAPPED);
		2364
		2365	# need to save uniques path
		2366	unless ($self->{deny_save}) {
		2367	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2368
		2369	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2370	if $uniq;
		2371	}
1541		2372
1542	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1543		2374
1544	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2377	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2378
1549	$self->unlink_save;	2379	$self->unlink_save;
1550	$self->destroy;	2380	$self->destroy;
1551	}	2381	}
1552		2382
1553	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1554		2384
1555	sub nuke {	2385	sub nuke {
1556	my ($self) = @_;	2386	my ($self) = @_;
1557		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
		2391	delete $cf::MAP{$self->path};
		2392
		2393	$self->unlink_save;
		2394
		2395	bless $self, "cf::map::wrap";
		2396	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2400
		2401	$cf::MAP{$self->path} = $self;
		2402	}
		2403
1561	$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	]
1562	}	2441	}
1563		2442
1564	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1565		2444
1566	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2446	instantiated unique items. May block.
1568		2447
1569	=cut	2448	=cut
1570		2449
1571	sub unique_maps() {	2450	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1573	or return;	2452	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2453	utf8::decode $_;
1579	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
		2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
		2459	]
		2460	}
1581		2461
		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) {
1582	s/\.map$//;	2483	s/\.map$// or next;
1583	push @paths, $_;	2484	utf8::decode $_;
1584	}	2485	push @maps, "$dir/$_";
		2486	}
1585		2487
1586	\@paths	2488	push @dirs, map "$dir/$_", @$dirs;
1587	}	2489	}
1588		2490
1589	package cf;	2491	\@maps
		2492	}
1590		2493
1591	=back	2494	=back
1592		2495
1593	=head3 cf::object	2496	=head3 cf::object
1594		2497
…		…
1598		2501
1599	=over 4	2502	=over 4
1600		2503
1601	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1602		2505
1603	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.
1604		2508
1605	=cut	2509	=cut
1606		2510
1607	sub inv_recursive_;	2511	sub inv_recursive_;
1608	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1611		2515
1612	sub inv_recursive {	2516	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1614	}	2518	}
1615		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
1616	package cf;	2548	package cf;
1617		2549
1618	=back	2550	=back
1619		2551
1620	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1626	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>
1627	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
1628	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1629		2561
1630	=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	};
1631		2577
1632	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2579	# with dialog boxes.
1634	#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
1635	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1637		2583
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2585
1640	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1642	} 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 {
1643	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1645	}	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 (@_);
1646	}	2611	}
1647		2612
1648	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1649		2614
1650	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1663		2628
1664	=item $player_object->enter_link	2629	=item $player_object->enter_link
1665		2630
1666	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}>).
1667		2632
1668	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.
1669	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.
1670		2637
1671	Will never block.	2638	Will never block.
1672		2639
1673	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1674		2641
…		…
1682	=cut	2649	=cut
1683		2650
1684	sub link_map {	2651	sub link_map {
1685	unless ($LINK_MAP) {	2652	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2653	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2654	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2655	$LINK_MAP->load;
1689	}	2656	}
1690		2657
1691	$LINK_MAP	2658	$LINK_MAP
1692	}	2659	}
…		…
1694	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1695	my ($self) = @_;	2662	my ($self) = @_;
1696		2663
1697	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1698		2665
		2666	++$self->{_link_recursion};
		2667
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2669
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1703		2672
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1705	}	2674	}
1706		2675
1707	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1709		2680
1710	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1711		2682
1712	unless ($map) {	2683	unless ($map) {
1713	# restore original map position	2684	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1726		2697
1727	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1730		2701
1731	$map->load;	2702	$map->load;
1732	$map->load_diag;	2703	$map->load_neighbours;
1733		2704
1734	return unless $self->contr->active;	2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2712	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}
1738
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},	2713	}
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2714
1753	# try to abort aborted map switching on player login :)	2715	}
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2716
1771	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1772		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
1773	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1774		2731
1775	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1776	my ($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;
1777		2743
1778	$self->enter_link;	2744	$self->enter_link;
1779		2745
1780	(async {	2746	(async {
1781	my $map = cf::map::find $path;	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
		2768	my $map = eval {
		2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
1783		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2774	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
1788		2777
		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 $@;
		2784	}
		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1790	})->prio (1);	2792	})->prio (1);
1791	}	2793	}
1792		2794
1793	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1794		2796
…		…
1796		2798
1797	sub parse_random_map_params {	2799	sub parse_random_map_params {
1798	my ($spec) = @_;	2800	my ($spec) = @_;
1799		2801
1800	my $rmp = { # defaults	2802	my $rmp = { # defaults
1801	xsize => 10,	2803	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2804	ysize => (cf::rndm 15, 40),
		2805	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2806	#layout => string,
1803	};	2807	};
1804		2808
1805	for (split /\n/, $spec) {	2809	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2810	my ($k, $v) = split /\s+/, $_, 2;
1807		2811
…		…
1819	# that depends on the exit object	2823	# that depends on the exit object
1820		2824
1821	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
1822		2826
1823	if ($exit->map) {	2827	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2828	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1828	}	2834	}
1829		2835
1830	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1831		2837
1832	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
		2840	my $meta = "$RANDOMDIR/$md5.meta";
1834		2841
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
		2844	undef $fh;
		2845	aio_rename "$meta~", $meta;
1837		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1840	}	2853	}
1841	}	2854	}
1842		2855
1843	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1847		2860
1848	$self->enter_link;	2861	$self->enter_link;
1849		2862
1850	(async {	2863	(async {
1851	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1852	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
1853	prepare_random_map $exit	2873	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2874	if $exit->slaying eq "/!";
		2875	}
1855		2876
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
1858		2880
		2881	$self->goto ($map, $x, $y);
		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
1859	1;	2887	1
1860	}) {	2888	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2893
1866	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1867	$self->leave_link;	2895	$self->leave_link;
1868	}	2896	}
1869	})->prio (1);	2897	})->prio (1);
1870	}	2898	}
1871		2899
…		…
1882		2910
1883	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1885		2913
1886	utf8::encode $text;	2914	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2916	}
1889		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
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		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	}
		3138	}
1890		3139
1891	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1892		3141
1893	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1894	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>,
1895	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>.
1896		3145
1897	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
1898	reliable at some point in the future.	3147	become reliable at some point in the future.
1899		3148
1900	=cut	3149	=cut
1901		3150
1902	sub cf::client::query {	3151	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3160	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3162
1914	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
1916	}	3167	}
1917		3168
1918	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
1919	on_reply => sub {	3175	on_reply => sub {
1920	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
1921		3177
1922	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
1923	# get handled first	3179	# get handled first
1924	my $queue = delete $ns->{query_queue}	3180	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3181	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3182
1927	(shift @$queue)->[1]->($msg);	3183	(shift @$queue)->[1]->($msg);
		3184	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3185
1929	push @{ $ns->{query_queue} }, @$queue;	3186	push @{ $ns->{query_queue} }, @$queue;
1930		3187
1931	if (@{ $ns->{query_queue} } == @$queue) {	3188	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3189	if (@$queue) {
…		…
1934	} else {	3191	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3193	}
1937	}	3194	}
1938	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($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	},
1939	);	3222	);
1940		3223
1941	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
1942		3225
1943	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3242
1960	$coro	3243	$coro
1961	}	3244	}
1962		3245
1963	cf::client->attach (	3246	cf::client->attach (
1964	on_destroy => sub {	3247	on_client_destroy => sub {
1965	my ($ns) = @_;	3248	my ($ns) = @_;
1966		3249
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3251	},
1969	);	3252	);
…		…
1984	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
1986		3269
1987	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
1988		3271
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
1990		3277
1991	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
1992		3279
1993	=pod	3280	=pod
1994		3281
1995	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
1996		3283
1997	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
1998	cf::object::player player	3289	cf::object::player
1999	cf::player peaceful	3290	player
2000	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2001		3297
2002	=cut	3298	=cut
2003		3299
2004	for (	3300	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2009	) {	3307	) {
2010	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2013	for @funs;	3310	for @funs;
2014	}	3311	}
2015		3312
…		…
2030		3327
2031	my $qcode = $code;	3328	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2034		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2035	local $_;	3335	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3336
2038	my $eval =	3337	my $eval =
2039	"do {\n"	3338	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3341	. $code
2043	. "\n}"	3342	. "\n}"
2044	;	3343	;
2045		3344
		3345	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2049		3354
2050	if ($@) {	3355	if ($@) {
2051	warn "$@";	3356	warn "$@",
2052	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2053	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2054	}	3359	}
2055		3360
2056	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2057	}	3362	}
2058		3363
…		…
2072	=cut	3377	=cut
2073		3378
2074	sub register_script_function {	3379	sub register_script_function {
2075	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2076		3381
2077	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2079	}	3384	}
2080		3385
2081	=back	3386	=back
2082		3387
2083	=cut	3388	=cut
2084		3389
2085	#############################################################################	3390	#############################################################################
		3391	# the server's init and main functions
2086		3392
2087	=head2 EXTENSION DATABASE SUPPORT	3393	sub load_facedata($) {
		3394	my ($path) = @_;
2088		3395
2089	Crossfire maintains a very simple database for extension use. It can	3396	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3397	# for this (global event?)
2091	excludes objects.	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3399
2093	The parameter C<$family> should best start with the name of the extension	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3401
2096	=over 4	3402	trace "loading facedata from $path\n";
2097		3403
2098	=item $hashref = cf::db_get $family	3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
2099		3406
2100	Return a hashref for use by the extension C<$family>, which can be	3407	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3408
2104	=item $value = cf::db_get $family => $key	3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3411
2106	Returns a single value from the database	3412	# patch in the exptable
2107		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3414	$facedata->{resource}{"res/exp_table"} = {
2109		3415	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3416	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3417	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3418	};
		3419	cf::cede_to_tick;
2159		3420
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3421	{
		3422	my $faces = $facedata->{faceinfo};
2164		3423
2165	sub db_get($;$) {	3424	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3426
2171	sub db_put($$;$) {	3427	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3431
2180	cf::global->attach (	3432	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3433	}
2185	);
2186	}
2187		3434
2188	#############################################################################	3435	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3436	next unless $info->{smooth};
2190		3437
2191	sub cfg_load {	3438	my $idx = cf::face::find $face
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3439	or next;
2193	or return;
2194		3440
2195	local $/;	3441	if (my $smooth = cf::face::find $info->{smooth}) {
2196	*CFG = YAML::Syck::Load <$fh>;	3442	cf::face::set_smooth $idx, $smooth;
		3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3444	} else {
		3445	error "smooth face '$info->{smooth}' not found for face '$face'";
		3446	}
2197		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	{
		3453	my $anims = $facedata->{animinfo};
		3454
		3455	while (my ($anim, $info) = each %$anims) {
		3456	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3457	cf::cede_to_tick;
		3458	}
		3459
		3460	cf::anim::invalidate_all; # d'oh
		3461	}
		3462
		3463	{
		3464	my $res = $facedata->{resource};
		3465
		3466	while (my ($name, $info) = each %$res) {
		3467	if (defined $info->{type}) {
		3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3469
		3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3471	cf::face::set_type $idx, $info->{type};
		3472	} else {
		3473	$RESOURCE{$name} = $info; # unused
		3474	}
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478	}
		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
		3482	1
		3483	}
		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
		3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
		3508	load_resource_file "$MAPDIR/regions"
		3509	or die "unable to load regions file\n";
		3510
		3511	for (cf::region::list) {
		3512	$_->{match} = qr/$_->{match}/
		3513	if exists $_->{match};
		3514	}
		3515	}
		3516
		3517	sub reload_facedata {
		3518	load_facedata "$DATADIR/facedata"
		3519	or die "unable to load facedata\n";
		3520	}
		3521
		3522	sub reload_archetypes {
		3523	load_resource_file "$DATADIR/archetypes"
		3524	or die "unable to load archetypes\n";
		3525	}
		3526
		3527	sub reload_treasures {
		3528	load_resource_file "$DATADIR/treasures"
		3529	or die "unable to load treasurelists\n";
		3530	}
		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
		3542	or next;
		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
		3553	}
		3554
		3555	sub reload_resources {
		3556	trace "reloading resource files...\n";
		3557
		3558	reload_exp_table;
		3559	reload_materials;
		3560	reload_facedata;
		3561	reload_sound;
		3562	reload_archetypes;
		3563	reload_regions;
		3564	reload_treasures;
		3565
		3566	trace "finished reloading resource files\n";
		3567	}
		3568
		3569	sub reload_config {
		3570	trace "reloading config file...\n";
		3571
		3572	0 < aio_load "$CONFDIR/config", my $config
		3573	or die "$CONFDIR/config: $!";
		3574
		3575	utf8::decode $config;
		3576	*CFG = yaml_load $config;
		3577
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2199		3579
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2202		3582
2203	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2207	};	3587	};
2208	warn $@ if $@;	3588	warn $@ if $@;
2209	}	3589	}
2210	}	3590	}
2211		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2212	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2213	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3633	(async {
		3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
		3636	})->prio (Coro::PRIO_MAX);
2217	};	3637	};
2218		3638
2219	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
		3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2221	load_extensions;	3662	load_extensions;
2222	Event::loop;	3663
		3664	utime time, time, $RUNTIMEFILE;
		3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2223	}	3682	}
2224		3683
2225	#############################################################################	3684	#############################################################################
2226	# initialisation and cleanup	3685	# initialisation and cleanup
2227		3686
2228	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2229	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3691	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3692	cf::cleanup "SIG$signal";
2236	},
2237	);	3693	};
		3694	}
		3695	}
		3696
		3697	sub write_runtime_sync {
		3698	my $t0 = AE::time;
		3699
		3700	# first touch the runtime file to show we are still running:
		3701	# the fsync below can take a very very long time.
		3702
		3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3704
		3705	my $guard = cf::lock_acquire "write_runtime";
		3706
		3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3708	or return;
		3709
		3710	my $value = $cf::RUNTIME + 90 + 10;
		3711	# 10 is the runtime save interval, for a monotonic clock
		3712	# 60 allows for the watchdog to kill the server.
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	# touch it again to show we are up-to-date
		3722	aio_utime $fh, undef, undef;
		3723
		3724	close $fh
		3725	or return;
		3726
		3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3728	and return;
		3729
		3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3731
2238	}	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2239	}	3783	}
2240		3784
2241	sub emergency_save() {	3785	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2243		3787
2244	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2245		3794
2246	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2247	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3806	$pl->save;
2255	}	3807	}
2256	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2257		3809
2258	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3815	$map->valid or next;
2262	$map->save;	3816	$map->save;
2263	}	3817	}
2264	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
		3819
		3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
		3823	BDB::db_env_txn_checkpoint $DB_ENV;
		3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2265	};	3848	};
2266		3849
2267	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2268	}	3851	}
2269		3852
		3853	sub post_cleanup {
		3854	my ($make_core) = @_;
		3855
		3856	IO::AIO::flush;
		3857
		3858	error Carp::longmess "post_cleanup backtrace"
		3859	if $make_core;
		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
		3888	}
		3889
2270	sub reload() {	3890	sub do_reload_perl() {
2271	# can/must only be called in main	3891	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
2273	warn "can only reload from main coroutine\n";	3893	error "can only reload from main coroutine";
2274	return;	3894	return;
2275	}	3895	}
2276		3896
2277	warn "reloading...";	3897	return if $RELOAD++;
2278		3898
2279	warn "freezing server";	3899	my $t1 = AE::time;
2280	my $guard = freeze_mainloop;	3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
		3907	cf::sync_job {
2281	cf::emergency_save;	3908	#cf::emergency_save;
2282		3909
2283	warn "sync database to disk";	3910	trace "perl_reload: cancelling all extension coros";
2284	cf::db_sync;
2285	IO::AIO::flush;
2286
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved
2289
2290	warn "cancel all watchers";
2291	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3912	%EXT_CORO = ();
2298		3913
2299	warn "remove commands";	3914	trace "perl_reload: removing commands";
2300	%COMMAND = ();	3915	%COMMAND = ();
2301		3916
2302	warn "remove ext commands";	3917	trace "perl_reload: removing ext/exti commands";
2303	%EXTCMD = ();	3918	%EXTCMD = ();
		3919	%EXTICMD = ();
2304		3920
2305	warn "unload/nuke all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
2308		3924
2309	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3926	eval {
2311	$cb->($pkg);	3927	$cb->($pkg);
2312	1	3928	1
2313	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
2314	}	3934	}
2315		3935
2316	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319
2320	warn "unload all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3939
2324	warn "removing <$k>";	3940	trace "... unloading $k";
2325	delete $INC{$k};	3941	delete $INC{$k};
2326		3942
2327	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
2329		3945
2330	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
2331	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
2332	}	3951	}
2333		3952
2334	Symbol::delete_package $k;
2335	}
2336
2337	warn "get rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3956
2341	warn "unload cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
		3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3960
2344	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3962	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
2347		3964
2348	warn "reloading cf.pm";	3965	info "perl_reload: unload completed, starting to reload now";
		3966
		3967	trace "perl_reload: reloading cf.pm";
2349	require cf;	3968	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
2351		3970
2352	warn "load config and database again";	3971	trace "perl_reload: loading config and database again";
2353	cf::cfg_load;	3972	cf::reload_config;
2354	cf::db_load;
2355		3973
2356	warn "load extensions";	3974	trace "perl_reload: loading extensions";
2357	cf::load_extensions;	3975	cf::load_extensions;
2358		3976
		3977	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
2360	_global_reattach;	3979	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
		3982	trace "perl_reload: reattaching attachments to players";
		3983	reattach $_ for values %PLAYER;
		3984	}
		3985
		3986	cf::_post_init 1;
		3987
		3988	trace "perl_reload: leaving sync_job";
		3989
		3990	1
		3991	} or do {
		3992	error $@;
		3993	cf::cleanup "perl_reload: error, exiting.";
		3994	};
		3995
		3996	--$RELOAD;
		3997	}
		3998
		3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
		4001	};
		4002
		4003	our $RELOAD_WATCHER; # used only during reload
		4004
		4005	sub reload_perl() {
		4006	# doing reload synchronously and two reloads happen back-to-back,
		4007	# coro crashes during coro_state_free->destroy here.
		4008
		4009	$RELOAD_WATCHER ||= cf::async {
		4010	Coro::AIO::aio_wait cache_extensions;
		4011
		4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4013	do_reload_perl;
		4014	undef $RELOAD_WATCHER;
		4015	};
2363	};	4016	};
2364		4017	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		4018
2374	register_command "reload" => sub {	4019	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
2376		4021
2377	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	4023	$who->message ("reloading server.");
		4024	async {
		4025	$Coro::current->{desc} = "perl_reload";
		4026	reload_perl;
		4027	};
2381	}	4028	}
2382	};	4029	};
2383		4030
2384	unshift @INC, $LIBDIR;	4031	#############################################################################
2385		4032
2386	$TICK_WATCHER = Event->timer (	4033	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		4034
		4035	our @WAIT_FOR_TICK;
		4036	our @WAIT_FOR_TICK_BEGIN;
		4037
		4038	sub wait_for_tick() {
		4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4040
		4041	my $signal = new Coro::Signal;
		4042	push @WAIT_FOR_TICK, $signal;
		4043	$signal->wait;
		4044	}
		4045
		4046	sub wait_for_tick_begin() {
		4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4048
		4049	my $signal = new Coro::Signal;
		4050	push @WAIT_FOR_TICK_BEGIN, $signal;
		4051	$signal->wait;
		4052	}
		4053
		4054	sub tick {
		4055	if ($Coro::current != $Coro::main) {
		4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4057	unless ++$bug_warning > 10;
		4058	return;
		4059	}
		4060
2394	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		4062
2398	$WAIT_FOR_TICK->broadcast;	4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		4064
2401	# if we are delayed by four ticks or more, skip them all	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		4067	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	4068	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	4069	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	4070	or error "ERROR: unable to write runtime file: $!";
2427	})->();	4071	};
2428	},	4072	}
2429	);	4073
		4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4075	$sig->send;
		4076	}
		4077	while (my $sig = shift @WAIT_FOR_TICK) {
		4078	$sig->send;
		4079	}
		4080
		4081	$LOAD = ($NOW - $TICK_START) / $TICK;
		4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4083
		4084	if (0) {
		4085	if ($NEXT_TICK) {
		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
		4090	}
		4091	}
		4092
		4093	{
		4094	# configure BDB
		4095
		4096	BDB::min_parallel 16;
		4097	BDB::max_poll_reqs $TICK * 0.1;
		4098	$AnyEvent::BDB::WATCHER->priority (1);
		4099
		4100	unless ($DB_ENV) {
		4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4107
		4108	cf::sync_job {
		4109	eval {
		4110	BDB::db_env_open
		4111	$DB_ENV,
		4112	$BDBDIR,
		4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4115	0666;
		4116
		4117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4118	};
		4119
		4120	cf::cleanup "db_env_open(db): $@" if $@;
		4121	};
		4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
		4133	}
		4134
		4135	{
		4136	# configure IO::AIO
		4137
		4138	IO::AIO::min_parallel 8;
		4139	IO::AIO::max_poll_time $TICK * 0.1;
		4140	undef $AnyEvent::AIO::WATCHER;
		4141	}
		4142
		4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
		4145
		4146	sub _log_backtrace {
		4147	my ($msg, @addr) = @_;
		4148
		4149	$msg =~ s/\n$//;
		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4154	# limit the # of concurrent backtraces
		4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
		4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
		4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
		4162	my @bt = fork_call {
		4163	@addr = map { sprintf "%x", $_ } @addr;
		4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4166	or die "addr2line: $!";
		4167
		4168	my @funcs;
		4169	my @res = <$fh>;
		4170	chomp for @res;
		4171	while (@res) {
		4172	my ($func, $line) = splice @res, 0, 2, ();
		4173	push @funcs, "[$func] $line";
		4174	}
		4175
		4176	@funcs
		4177	};
		4178
		4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4181	LOG llevInfo, "[ABT] $_\n" for @bt;
		4182	--$_log_backtrace;
		4183	};
		4184	} else {
		4185	LOG llevInfo, "[ABT] $msg\n";
		4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4187	}
		4188	}
		4189
		4190	# load additional modules
		4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
2430		4193
2431	END { cf::emergency_save }	4194	END { cf::emergency_save }
2432		4195
2433	1	4196	1
2434		4197

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