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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
553		1006
554	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1011
559	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
561		1014
562	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
567		1020
568	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1023
571	} elsif (ref $type) {	1024	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
573		1026
574	} else {	1027	} else {
575	shift @arg;	1028	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
577	}	1030	}
578	}	1031	}
579	}	1032	}
580		1033
581	sub _object_attach {	1034	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
592	}	1045	}
593		1046
594	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
595	} else {	1048	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1050	}
598		1051
599	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
600	}	1053	}
601		1054
…		…
603	if (ref $_[0]) {	1056	if (ref $_[0]) {
604	_object_attach @_;	1057	_object_attach @_;
605	} else {	1058	} else {
606	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
607	}	1060	}
		1061	_recalc_want;
608	};	1062	};
609		1063
610	# all those should be optimised	1064	# all those should be optimised
611	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1070	reattach ($obj);
617	} else {	1071	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
619	}	1073	}
		1074	_recalc_want;
620	};	1075	};
621		1076
622	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
624		1079
…		…
639	";	1094	";
640	die if $@;	1095	die if $@;
641	}	1096	}
642		1097
643	our $override;	1098	our $override;
644	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?
645		1100
646	sub override {	1101	sub override {
647	$override = 1;	1102	$override = 1;
648	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
649	}	1104	}
650		1105
651	sub do_invoke {	1106	sub do_invoke {
652	my $event = shift;	1107	my $event = shift;
653	my $callbacks = shift;	1108	my $callbacks = shift;
654		1109
655	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
656		1111
657	local $override;	1112	local $override;
658		1113
659	for (@$callbacks) {	1114	for (@$callbacks) {
660	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
661		1116
662	if ($@) {	1117	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1119	override;
666	}	1120	}
667		1121
668	return 1 if $override;	1122	return 1 if $override;
669	}	1123	}
670		1124
671	0	1125	0
672	}	1126	}
673		1127
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1129
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1131
678	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
679		1133
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1137
684	=back	1138	=back
685		1139
686	=cut	1140	=cut
687		1141
688	#############################################################################	1142	#############################################################################
689	# 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, $ob2
		1185	}
690		1186
691	sub reattach {	1187	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1189	my ($obj) = @_;
694		1190
		1191	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1193
697	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
698		1195
699	@$registry = ();	1196	@$registry = ();
700		1197
…		…
705	for (@$attach) {	1202	for (@$attach) {
706	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
708	}	1205	}
709	} else {	1206	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1208	}
712	}	1209	}
713	}	1210	}
714		1211
715	cf::attachable->attach (	1212	cf::attachable->attach (
716	prio => -1000000,	1213	prio => -1000000,
717	on_instantiate => sub {	1214	on_instantiate => sub {
718	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
719		1216
720	$data = from_json $data;	1217	$data = decode_json $data;
721		1218
722	for (@$data) {	1219	for (@$data) {
723	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
724		1221
725	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1238	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
743		1240
744	sync_job {	1241	sync_job {
745	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
748		1247
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
751	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;
752	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
753	close $fh;	1255	aio_close $fh;
754		1256
755	if (@$objs) {	1257	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	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;
760	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
761	close $fh;	1266	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
763	}	1268	}
764	} else {	1269	} else {
765	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
766	}	1271	}
767		1272
768	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1277	} else {
770	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
771	}	1279	}
772	} else {	1280	} else {
773	aio_unlink $filename;	1281	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
775	}	1283	}
776	}	1284	};
777	}	1285	}
778		1286
779	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
781		1289
…		…
793	or return;	1301	or return;
794		1302
795	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
797	or return;	1305	or return;
		1306
798	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
799	}	1309	}
800		1310
		1311	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
803	return ($data, $av);	1316	($data, $av)
804	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
805		1324
806	#############################################################################	1325	#############################################################################
807	# command handling &c	1326	# command handling &c
808		1327
809	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1342	}
824		1343
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1345
827	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.
828		1351
829	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
830	called.	1353	called.
831		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
832	=cut	1366	=cut
833		1367
834	sub register_extcmd {	1368	sub register_extcmd {
835	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
836		1370
837	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
838	}	1372	}
839		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
840	cf::player->attach (	1382	cf::player->attach (
841	on_command => sub {	1383	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
843		1385
844	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
845	or return;	1387	or return;
846		1388
…		…
851	cf::override;	1393	cf::override;
852	},	1394	},
853	on_extcmd => sub {	1395	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
855		1397
856	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1399
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
864	} else {	1415	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1417	}
867		1418
868	cf::override;	1419	cf::override;
869	},	1420	},
870	);	1421	);
871		1422
		1423	# "readahead" all extensions
872	sub load_extension {	1424	sub cache_extensions {
873	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
874		1426
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1430	}
900	die $@;
901	}	1431	};
902		1432
903	push @EXTS, $pkg;	1433	$grp
904	}	1434	}
905		1435
906	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
907	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1443	next unless -r $path;
909	eval {	1444
910	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 $active;
		1507	}
911	1	1508	}
912	} or warn "$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	}
913	}	1519	};
914	}	1520	}
915		1521
916	#############################################################################	1522	#############################################################################
917		1523
		1524	=back
		1525
918	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
919		1527
920	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
921		1529
922	=cut	1530	=cut
923		1531
924	package cf::player;	1532	package cf::player;
925		1533
…		…
927		1535
928	=head3 cf::player	1536	=head3 cf::player
929		1537
930	=over 4	1538	=over 4
931		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
932	=item cf::player::find $login	1554	=item cf::player::find $login
933		1555
934	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
935		1557
936	=cut	1558	=cut
937		1559
938	sub playerdir($) {	1560	sub playerdir($) {
939	cf::localdir	1561	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1563	}
945		1564
946	sub path($) {	1565	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1567
949	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
950	}	1569	}
951		1570
952	sub find_active($) {	1571	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
957		1576
958	sub exists($) {	1577	sub exists($) {
959	my ($login) = @_;	1578	my ($login) = @_;
960		1579
961	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
963	}	1582	}
964		1583
965	sub find($) {	1584	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1586	my $login = $_[0];
968		1587
969	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
970		1589
971	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
975	}	1607	}
976	}	1608	}
977	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
978		1623
979	sub save($) {	1624	sub save($) {
980	my ($pl) = @_;	1625	my ($pl) = @_;
981		1626
982	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
988		1633
989	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
991		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
992	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
993	Coro::cede;	1643	cf::cede_to_tick;
994	}	1644	}
995		1645
996	sub new($) {	1646	sub new($) {
997	my ($login) = @_;	1647	my ($login) = @_;
998		1648
…		…
1004	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1005		1655
1006	$self	1656	$self
1007	}	1657	}
1008		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
1009	=item $pl->quit_character	1669	=item $pl->quit_character
1010		1670
1011	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1013		1673
1014	=cut	1674	=cut
1015		1675
1016	sub quit_character {	1676	sub quit_character {
1017	my ($pl) = @_;	1677	my ($pl) = @_;
1018		1678
		1679	my $name = $pl->ob->name;
		1680
1019	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1020	$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
1021		1683
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1025	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1026		1692
1027	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1719	}
1034		1720
1035	=item cf::player::list_logins	1721	=item cf::player::list_logins
1036		1722
1037	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
1038	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1039		1725
1040	=cut	1726	=cut
1041		1727
1042	sub list_logins {	1728	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1730	or return [];
1045		1731
1046	my @logins;	1732	my @logins;
1047		1733
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1052		1744
1053	utf8::decode $login;	1745	utf8::decode $login;
1054	push @logins, $login;	1746	push @logins, $login;
1055	}	1747	}
1056		1748
1057	\@logins	1749	\@logins
1058	}	1750	}
1059		1751
1060	=item $player->maps	1752	=item $player->maps
1061		1753
		1754	=item cf::player::maps $login
		1755
1062	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1063	player. May block.	1757	player. May block.
1064		1758
1065	=cut	1759	=cut
1066		1760
1067	sub maps($) {	1761	sub maps($) {
1068	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1765
1070	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1071	or return;	1767	or return;
1072		1768
1073	my @paths;	1769	my @paths;
…		…
1075	for (@$files) {	1771	for (@$files) {
1076	utf8::decode $_;	1772	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1079		1775
1080	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1777	}
1083		1778
1084	\@paths	1779	\@paths
1085	}	1780	}
1086		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1088		1787
1089	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1090		1789
1091	=cut	1790	=cut
1092		1791
1093	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1095		1794
1096	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1796	}
1100		1797
1101	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	}
1102		1840
1103	=back	1841	=back
1104
1105		1842
1106	=head3 cf::map	1843	=head3 cf::map
1107		1844
1108	=over 4	1845	=over 4
1109		1846
…		…
1113		1850
1114	use Fcntl;	1851	use Fcntl;
1115	use Coro::AIO;	1852	use Coro::AIO;
1116		1853
1117	use overload	1854	use overload
1118	'""' => \&as_string;	1855	'""' => \&as_string,
		1856	fallback => 1;
1119		1857
1120	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1122		1860
1123	sub generate_random_map {	1861	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1125		1865
1126	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1867	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1877	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1878	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1879	)
1140	}	1880	}
1141		1881
		1882	=item cf::map->register ($regex, $prio)
		1883
		1884	Register a handler for the map path matching the given regex at the
		1885	givne priority (higher is better, built-in handlers have priority 0, the
		1886	default).
		1887
		1888	=cut
		1889
1142	sub register {	1890	sub register {
1143	my (undef, $regex) = @_;	1891	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1892	my $pkg = caller;
1145		1893
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1895
1149	$EXT_MAP{$pkg} = qr<$regex>;	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1897	}
1151		1898
1152	# also paths starting with '/'	1899	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1901
1155	sub thawer_merge {	1902	sub thawer_merge {
		1903	my ($self, $merge) = @_;
		1904
1156	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1906	local $self->{path};
1158	local $_[0]{deny_save};	1907	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1908
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1909	$self->SUPER::thawer_merge ($merge);
1162	}	1910	}
1163		1911
1164	sub normalise {	1912	sub normalise {
1165	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
		1914
		1915	$path = "$path"; # make sure it's a string
		1916
		1917	$path =~ s/\.map$//;
1166		1918
1167	# map plan:	1919	# map plan:
1168	#	1920	#
1169	# /! non-realised random map exit (special hack!)	1921	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1922	# {... are special paths that are not being touched
…		…
1198		1950
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1951	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1952
1201	$path = normalise $path, $base;	1953	$path = normalise $path, $base;
1202		1954
1203	for my $pkg (keys %EXT_MAP) {	1955	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1956	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1957	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1958	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1208	return $self;	1960	return $self;
1209	}	1961	}
1210	}	1962	}
1211		1963
1212	Carp::carp "unable to resolve path '$path'.";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1213	()	1965	()
1214	}	1966	}
1215		1967
1216	sub init {	1968	sub init {
1217	my ($self) = @_;	1969	my ($self) = @_;
…		…
1232		1984
1233	# the original (read-only) location	1985	# the original (read-only) location
1234	sub load_path {	1986	sub load_path {
1235	my ($self) = @_;	1987	my ($self) = @_;
1236		1988
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1238	}	1990	}
1239		1991
1240	# the temporary/swap location	1992	# the temporary/swap location
1241	sub save_path {	1993	sub save_path {
1242	my ($self) = @_;	1994	my ($self) = @_;
1243		1995
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1246	}	1998	}
1247		1999
1248	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1249	sub uniq_path {	2001	sub uniq_path {
1250	my ($self) = @_;	2002	my ($self) = @_;
1251		2003
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1254	}	2006	}
1255		2007
1256	# and all this just because we cannot iterate over	2008	sub decay_objects {
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;	2009	my ($self) = @_;
1260		2010
1261	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1262	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1263	}	2014	}
1264		2015
1265	sub unlink_save {	2016	sub unlink_save {
1266	my ($self) = @_;	2017	my ($self) = @_;
1267		2018
…		…
1272		2023
1273	sub load_header_from($) {	2024	sub load_header_from($) {
1274	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1275		2026
1276	utf8::encode $path;	2027	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1278	or return;	2029	or return;
1279		2030
1280	$self->_load_header ($path)	2031	$self->_load_header ($f)
1281	or return;	2032	or return;
1282		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
		2036
1283	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1284		2038
1285	1	2039	1
1286	}	2040	}
1287		2041
1288	sub load_orig {	2042	sub load_header_orig {
1289	my ($self) = @_;	2043	my ($self) = @_;
1290		2044
1291	$self->load_header_from ($self->load_path)	2045	$self->load_header_from ($self->load_path)
1292	}	2046	}
1293		2047
1294	sub load_temp {	2048	sub load_header_temp {
1295	my ($self) = @_;	2049	my ($self) = @_;
1296		2050
1297	$self->load_header_from ($self->save_path)	2051	$self->load_header_from ($self->save_path)
		2052	}
		2053
		2054	sub prepare_temp {
		2055	my ($self) = @_;
		2056
		2057	$self->last_access ((delete $self->{last_access})
		2058	|| $cf::RUNTIME); #d#
		2059	# safety
		2060	$self->{instantiate_time} = $cf::RUNTIME
		2061	if $self->{instantiate_time} > $cf::RUNTIME;
		2062	}
		2063
		2064	sub prepare_orig {
		2065	my ($self) = @_;
		2066
		2067	$self->{load_original} = 1;
		2068	$self->{instantiate_time} = $cf::RUNTIME;
		2069	$self->last_access ($cf::RUNTIME);
		2070	$self->instantiate;
1298	}	2071	}
1299		2072
1300	sub load_header {	2073	sub load_header {
1301	my ($self) = @_;	2074	my ($self) = @_;
1302		2075
1303	if ($self->load_temp) {	2076	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	2077	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	2078	} else {
1310	$self->load_orig	2079	$self->load_header_orig
1311	or return;	2080	or return;
1312		2081	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	2082	}
		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
1318		2089
1319	1	2090	1
1320	}	2091	}
1321		2092
1322	sub find;	2093	sub find;
1323	sub find {	2094	sub find {
1324	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1325		2096
		2097	cf::cede_to_tick;
		2098
1326	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1327		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1328	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1329		2103
1330	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1331	my $guard = cf::lock_acquire "map_find:$path";
1332	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1333	or return;	2106	or return;
1334		2107
1335	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1336		2109
1337	$map->load_header	2110	$map->load_header
1338	or return;	2111	or return;
1339		2112
1340	if ($map->should_reset) {	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2114	# doing this can freeze the server in a sync job, obviously
1341	$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1342	$map->reset;	2118	$map->reset;
1343	undef $guard;
1344	$map = find $path	2119	return find $path;
1345	or return;
1346	}	2120	}
1347		2121
1348	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1349	}	2123	}
1350	}	2124	}
		2125
		2126	sub pre_load { }
		2127	#sub post_load { } # XS
1351		2128
1352	sub load {	2129	sub load {
1353	my ($self) = @_;	2130	my ($self) = @_;
1354		2131
		2132	local $self->{deny_reset} = 1; # loading can take a long time
		2133
1355	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1356	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1357		2138
		2139	return unless $self->valid;
1358	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1359		2141
1360	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1361		2143
1362	$self->alloc;	2144	$self->alloc;
1363	$self->_load_objects ($self->{load_path}, 1)	2145
		2146	$self->pre_load;
		2147	cf::cede_to_tick;
		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1364	or return;	2152	or return;
1365		2153
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1367	if delete $self->{load_original};	2155	if delete $self->{load_original};
1368		2156
1369	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;	2158	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1372	$self->clear_unique_items;	2161	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1374	}	2165	}
1375	}	2166	}
1376		2167
1377	Coro::cede;	2168	$f->resolve_delayed_derefs;
1378		2169
		2170	cf::cede_to_tick;
1379	# now do the right thing for maps	2171	# now do the right thing for maps
1380	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;
1387	$self->set_darkness_map;
1388	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	2174	unless $self->difficulty;
1390	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1391	$self->activate;	2182	$self->activate;
1392	}	2183	}
1393		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1394	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1395	}	2189	}
1396		2190
		2191	$self->post_load;
		2192	}
		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1397	sub customise_for {	2197	sub customise_for {
1398	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1399		2199
1400	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	2201	if $self->per_player;
1402		2202
		2203	# return find "?party/" . $ob->name . "/" . $self->{path}
		2204	# if $self->per_party;
		2205
1403	$self	2206	$self
1404	}	2207	}
1405		2208
1406	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1407	sub load_diag {	2210	sub load_neighbours {
1408	my ($map) = @_;	2211	my ($map) = @_;
1409		2212
1410	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1411		2214
1412	for (0 .. 3) {	2215	for (0 .. 3) {
1413	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1414	or next;	2217	or next;
1415	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1416	or next;	2219	or next;
1417	$neigh->load;	2220	$neigh->load;
1418		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1421	}	2226	}
1422		2227
1423	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1424	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1425	or next;	2231	or next;
1426	$neigh->load;	2232	$neigh->load;
1427	}	2233	}
1428	}	2234	}
1429		2235
1430	sub find_sync {	2236	sub find_sync {
1431	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1432		2238
1433	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1434	}	2243	}
1435		2244
1436	sub do_load_sync {	2245	sub do_load_sync {
1437	my ($map) = @_;	2246	my ($map) = @_;
1438		2247
1439	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1440	}	2252	}
1441		2253
1442	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	2255	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		2256
1456	sub find_async {	2257	sub find_async {
1457	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1458		2259
1459	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1460		2261
1461	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2264	}
		2265
		2266	$MAP_PREFETCH{$path} |= $load;
		2267
		2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
		2271	while (%MAP_PREFETCH) {
		2272	while (my ($k, $v) = each %MAP_PREFETCH) {
		2273	if (my $map = find $k) {
		2274	$map->load if $v;
		2275	}
		2276
		2277	delete $MAP_PREFETCH{$k};
		2278	}
		2279	}
		2280	undef $MAP_PREFETCHER;
1463	}	2281	};
1464
1465	$MAP_PREFETCH{$path} = 0;
1466	$MAP_PREFETCHER->ready;	2282	$MAP_PREFETCHER->prio (6);
1467		2283
1468	()	2284	()
1469	}	2285	}
1470		2286
		2287	# common code, used by both ->save and ->swapout
1471	sub save {	2288	sub _save {
1472	my ($self) = @_;	2289	my ($self) = @_;
1473
1474	my $lock = cf::lock_acquire "map_data:" . $self->path;
1475		2290
1476	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1477		2292
1478	return unless $self->dirty;	2293	return unless $self->dirty;
1479		2294
…		…
1485	return if $self->{deny_save};	2300	return if $self->{deny_save};
1486		2301
1487	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1488		2303
1489	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1490	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1491	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1492		2310
1493	if ($uniq) {	2311	if ($uniq) {
1494	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1495	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1496	} else {	2314	} else {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1498	}	2316	}
1499	}	2317	}
1500		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1501	sub swap_out {	2327	sub swap_out {
1502	my ($self) = @_;	2328	my ($self) = @_;
1503		2329
1504	# save first because save cedes
1505	$self->save;
1506
1507	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1508		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1509	return if $self->players;	2334	return if $self->players;
1510	return if $self->in_memory != cf::MAP_IN_MEMORY;
1511	return if $self->{deny_save};
1512		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1513	$self->clear;	2345	$self->clear;
1514	$self->in_memory (cf::MAP_SWAPPED);
1515	}	2346	}
1516		2347
1517	sub reset_at {	2348	sub reset_at {
1518	my ($self) = @_;	2349	my ($self) = @_;
1519		2350
1520	# TODO: safety, remove and allow resettable per-player maps	2351	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	2352	return 1e99 if $self->{deny_reset};
1523		2353
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		2356
…		…
1531	my ($self) = @_;	2361	my ($self) = @_;
1532		2362
1533	$self->reset_at <= $cf::RUNTIME	2363	$self->reset_at <= $cf::RUNTIME
1534	}	2364	}
1535		2365
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	2366	sub reset {
1551	my ($self) = @_;	2367	my ($self) = @_;
1552		2368
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2370
1555	return if $self->players;	2371	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		2372
1558	warn "resetting map ", $self->path;#d#	2373	cf::trace "resetting map ", $self->path, "\n";
		2374
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# need to save uniques path
		2378	unless ($self->{deny_save}) {
		2379	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2380
		2381	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2382	if $uniq;
		2383	}
1559		2384
1560	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1561		2386
1562	$self->in_memory (cf::MAP_SWAPPED);	2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1563	$self->clear;	2389	$self->clear;
1564
1565	$_->clear_links_to ($self) for values %cf::MAP;
1566		2390
1567	$self->unlink_save;	2391	$self->unlink_save;
1568	$self->destroy;	2392	$self->destroy;
1569	}	2393	}
1570		2394
1571	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1572		2396
1573	sub nuke {	2397	sub nuke {
1574	my ($self) = @_;	2398	my ($self) = @_;
1575		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
		2403	delete $cf::MAP{$self->path};
		2404
		2405	$self->unlink_save;
		2406
		2407	bless $self, "cf::map::wrap";
		2408	delete $self->{deny_reset};
1576	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2412
		2413	$cf::MAP{$self->path} = $self;
		2414	}
		2415
1579	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
		2417	}
		2418
		2419	=item $maps = cf::map::tmp_maps
		2420
		2421	Returns an arrayref with all map paths of currently instantiated and saved
		2422	maps. May block.
		2423
		2424	=cut
		2425
		2426	sub tmp_maps() {
		2427	[
		2428	map {
		2429	utf8::decode $_;
		2430	/\.map$/
		2431	? normalise $_
		2432	: ()
		2433	} @{ aio_readdir $TMPDIR or [] }
		2434	]
		2435	}
		2436
		2437	=item $maps = cf::map::random_maps
		2438
		2439	Returns an arrayref with all map paths of currently instantiated and saved
		2440	random maps. May block.
		2441
		2442	=cut
		2443
		2444	sub random_maps() {
		2445	[
		2446	map {
		2447	utf8::decode $_;
		2448	/\.map$/
		2449	? normalise "?random/$_"
		2450	: ()
		2451	} @{ aio_readdir $RANDOMDIR or [] }
		2452	]
1580	}	2453	}
1581		2454
1582	=item cf::map::unique_maps	2455	=item cf::map::unique_maps
1583		2456
1584	Returns an arrayref of paths of all shared maps that have	2457	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2458	instantiated unique items. May block.
1586		2459
1587	=cut	2460	=cut
1588		2461
1589	sub unique_maps() {	2462	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2463	[
1591	or return;	2464	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2465	utf8::decode $_;
1597	next if /\.pst$/;	2466	s/\.map$//; # TODO future compatibility hack
1598	next unless /^$PATH_SEP/o;	2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
		2469	: normalise $_
		2470	} @{ aio_readdir $UNIQUEDIR or [] }
		2471	]
		2472	}
1599		2473
		2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
1600	s/\.map$//;	2495	s/\.map$// or next;
1601	push @paths, $_;	2496	utf8::decode $_;
1602	}	2497	push @maps, "$dir/$_";
		2498	}
1603		2499
1604	\@paths	2500	push @dirs, map "$dir/$_", @$dirs;
1605	}	2501	}
1606		2502
1607	package cf;	2503	\@maps
		2504	}
1608		2505
1609	=back	2506	=back
1610		2507
1611	=head3 cf::object	2508	=head3 cf::object
1612		2509
…		…
1616		2513
1617	=over 4	2514	=over 4
1618		2515
1619	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
1620		2517
1621	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
1622		2520
1623	=cut	2521	=cut
1624		2522
1625	sub inv_recursive_;	2523	sub inv_recursive_;
1626	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
1629		2527
1630	sub inv_recursive {	2528	sub inv_recursive {
1631	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
1632	}	2530	}
1633		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
1634	package cf;	2560	package cf;
1635		2561
1636	=back	2562	=back
1637		2563
1638	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
1644	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1645	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
1646	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
1647		2573
1648	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
1649		2589
1650	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
1651	# with dialog boxes.	2591	# with dialog boxes.
1652	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
1653	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
1655		2595
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2596	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2597
1658	if ($self->{record_replies}) {	2598	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2599	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2600
1660	} else {	2601	} else {
		2602	my $pl = $self->contr;
		2603
		2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2605	my $dialog = $pl->{npc_dialog};
		2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2607
		2608	} else {
1661	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2611	}
1663	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
1664	}	2623	}
1665		2624
1666	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
1667		2626
1668	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
1681		2640
1682	=item $player_object->enter_link	2641	=item $player_object->enter_link
1683		2642
1684	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
1685		2644
1686	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
1687	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
1688		2649
1689	Will never block.	2650	Will never block.
1690		2651
1691	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
1692		2653
…		…
1700	=cut	2661	=cut
1701		2662
1702	sub link_map {	2663	sub link_map {
1703	unless ($LINK_MAP) {	2664	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2665	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2666	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2667	$LINK_MAP->load;
1707	}	2668	}
1708		2669
1709	$LINK_MAP	2670	$LINK_MAP
1710	}	2671	}
…		…
1712	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
1713	my ($self) = @_;	2674	my ($self) = @_;
1714		2675
1715	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
1716		2677
		2678	++$self->{_link_recursion};
		2679
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2681
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2683	if $self->map && $self->map->{path} ne "{link}";
1721		2684
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1723	}	2686	}
1724		2687
1725	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
		2690
		2691	return unless $self->contr->active;
1727		2692
1728	my $link_pos = delete $self->{_link_pos};	2693	my $link_pos = delete $self->{_link_pos};
1729		2694
1730	unless ($map) {	2695	unless ($map) {
1731	# restore original map position	2696	# restore original map position
…		…
1742	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
1743	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
1744		2709
1745	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
1746	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
1747	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
1748		2713
1749	$map->load;	2714	$map->load;
1750	$map->load_diag;	2715	$map->load_neighbours;
1751		2716
1752	return unless $self->contr->active;	2717	return unless $self->contr->active;
		2718
		2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2720	if ($self->enter_map ($map, $x, $y)) {
		2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
1753	$self->activate_recursive;	2724	$self->activate_recursive;
1754	$self->enter_map ($map, $x, $y);
1755	}
1756
1757	cf::player->attach (
1758	on_logout => sub {
1759	my ($pl) = @_;
1760
1761	# abort map switching before logout
1762	if ($pl->ob->{_link_pos}) {
1763	cf::sync_job {
1764	$pl->ob->leave_link
1765	};
1766	}
1767	},	2725	}
1768	on_login => sub {
1769	my ($pl) = @_;
1770		2726
1771	# try to abort aborted map switching on player login :)	2727	}
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788		2728
1789	=item $player_object->goto ($path, $x, $y)	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1790		2730
		2731	Moves the player to the given map-path and coordinates by first freezing
		2732	her, loading and preparing them map, calling the provided $check callback
		2733	that has to return the map if sucecssful, and then unfreezes the player on
		2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
		2739
1791	=cut	2740	=cut
		2741
		2742	our $GOTOGEN;
1792		2743
1793	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
1794	my ($self, $path, $x, $y) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
		2752
		2753	# do generation counting so two concurrent goto's will be executed in-order
		2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1795		2755
1796	$self->enter_link;	2756	$self->enter_link;
1797		2757
1798	(async {	2758	(async {
1799	my $map = cf::map::find $path;	2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
		2780	my $map = eval {
		2781	my $map = defined $path ? cf::map::find $path : undef;
		2782
		2783	if ($map) {
1800	$map = $map->customise_for ($self) if $map;	2784	$map = $map->customise_for ($self);
1801		2785	$map = $check->($map, $x, $y, $self) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2786	} else {
1803	# if $map;
1804
1805	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2788	}
1806		2789
		2790	$map
		2791	};
		2792
		2793	if ($@) {
		2794	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2795	LOG llevError | logBacktrace, Carp::longmess $@;
		2796	}
		2797
		2798	if ($gen == $self->{_goto_generation}) {
		2799	delete $self->{_goto_generation};
1807	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
		2801	}
		2802
		2803	$done->($self) if $done;
1808	})->prio (1);	2804	})->prio (1);
1809	}	2805	}
1810		2806
1811	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
1812		2808
…		…
1814		2810
1815	sub parse_random_map_params {	2811	sub parse_random_map_params {
1816	my ($spec) = @_;	2812	my ($spec) = @_;
1817		2813
1818	my $rmp = { # defaults	2814	my $rmp = { # defaults
1819	xsize => 10,	2815	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2816	ysize => (cf::rndm 15, 40),
		2817	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2818	#layout => string,
1821	};	2819	};
1822		2820
1823	for (split /\n/, $spec) {	2821	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2822	my ($k, $v) = split /\s+/, $_, 2;
1825		2823
…		…
1837	# that depends on the exit object	2835	# that depends on the exit object
1838		2836
1839	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
1840		2838
1841	if ($exit->map) {	2839	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2840	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
1846	}	2846	}
1847		2847
1848	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
1849		2849
1850	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1851	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
		2852	my $meta = "$RANDOMDIR/$md5.meta";
1852		2853
1853	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
		2856	undef $fh;
		2857	aio_rename "$meta~", $meta;
1855		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
1856	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
1858	}	2865	}
1859	}	2866	}
1860		2867
1861	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
…		…
1864	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
1865		2872
1866	$self->enter_link;	2873	$self->enter_link;
1867		2874
1868	(async {	2875	(async {
1869	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
1870	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
1871	prepare_random_map $exit	2885	prepare_random_map $exit
1872	if $exit->slaying eq "/!";	2886	if $exit->slaying eq "/!";
		2887	}
1873		2888
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
1876		2892
		2893	$self->goto ($map, $x, $y);
		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
1877	1;	2899	1
1878	}) {	2900	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
1880	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
1881	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2905
1884	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
1885	$self->leave_link;	2907	$self->leave_link;
1886	}	2908	}
1887	})->prio (1);	2909	})->prio (1);
1888	}	2910	}
1889		2911
…		…
1900		2922
1901	sub cf::client::send_drawinfo {	2923	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	2924	my ($self, $text, $flags) = @_;
1903		2925
1904	utf8::encode $text;	2926	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	2928	}
1907		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
		2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2956
		2957	Send a drawinfo or msg packet to the client, formatting the msg for the
		2958	client if neccessary. C<$type> should be a string identifying the type of
		2959	the message, with C<log> being the default. If C<$color> is negative, suppress
		2960	the message unless the client supports the msg packet.
		2961
		2962	=cut
		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
		3078	sub cf::client::send_msg {
		3079	my ($self, $channel, $msg, $color, @extra) = @_;
		3080
		3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
		3083
		3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3085
		3086	# check predefined channels, for the benefit of C
		3087	if ($CHANNEL{$channel}) {
		3088	$channel = $CHANNEL{$channel};
		3089
		3090	$self->ext_msg (channel_info => $channel);
		3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
		3098	}
		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
		3117	=item $client->ext_msg ($type, @msg)
		3118
		3119	Sends an ext event to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_msg($$@) {
		3124	my ($self, $type, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
		3129	push @msg, msgtype => "event_$type";
		3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
		3150	}
1908		3151
1909	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
1910		3153
1911	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
1912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3155	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3156	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1914		3157
1915	Queries can fail, so check the return code. Or don't, as queries will become	3158	Queries can fail, so check the return code. Or don't, as queries will
1916	reliable at some point in the future.	3159	become reliable at some point in the future.
1917		3160
1918	=cut	3161	=cut
1919		3162
1920	sub cf::client::query {	3163	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	3164	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	3172	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3173	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		3174
1932	$self->send_packet ($self->{query_queue}[0][0])	3175	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	3176	if @{ $self->{query_queue} } == 1;
		3177
		3178	1
1934	}	3179	}
1935		3180
1936	cf::client->attach (	3181	cf::client->attach (
		3182	on_connect => sub {
		3183	my ($ns) = @_;
		3184
		3185	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3186	},
1937	on_reply => sub {	3187	on_reply => sub {
1938	my ($ns, $msg) = @_;	3188	my ($ns, $msg) = @_;
1939		3189
1940	# this weird shuffling is so that direct followup queries	3190	# this weird shuffling is so that direct followup queries
1941	# get handled first	3191	# get handled first
1942	my $queue = delete $ns->{query_queue}	3192	my $queue = delete $ns->{query_queue}
1943	or return; # be conservative, not sure how that can happen, but we saw a crash here	3193	or return; # be conservative, not sure how that can happen, but we saw a crash here
1944		3194
1945	(shift @$queue)->[1]->($msg);	3195	(shift @$queue)->[1]->($msg);
		3196	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		3197
1947	push @{ $ns->{query_queue} }, @$queue;	3198	push @{ $ns->{query_queue} }, @$queue;
1948		3199
1949	if (@{ $ns->{query_queue} } == @$queue) {	3200	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	3201	if (@$queue) {
…		…
1952	} else {	3203	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3204	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	3205	}
1955	}	3206	}
1956	},	3207	},
		3208	on_exticmd => sub {
		3209	my ($ns, $buf) = @_;
		3210
		3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3212
		3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
		3221	if (my $cb = $EXTICMD{$type}) {
		3222	@reply = $cb->($ns, @payload);
		3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
		3228	} else {
		3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3230	}
		3231
		3232	cf::override;
		3233	},
1957	);	3234	);
1958		3235
1959	=item $client->async (\&cb)	3236	=item $client->async (\&cb)
1960		3237
1961	Create a new coroutine, running the specified callback. The coroutine will	3238	Create a new coroutine, running the specified callback. The coroutine will
…		…
1977		3254
1978	$coro	3255	$coro
1979	}	3256	}
1980		3257
1981	cf::client->attach (	3258	cf::client->attach (
1982	on_destroy => sub {	3259	on_client_destroy => sub {
1983	my ($ns) = @_;	3260	my ($ns) = @_;
1984		3261
1985	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1986	},	3263	},
1987	);	3264	);
…		…
2002	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2003	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2004		3281
2005	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2006		3283
2007	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2008		3289
2009	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2010		3291
2011	=pod	3292	=pod
2012		3293
2013	The following fucntions and emthods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2014		3295
2015	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2016	cf::object::player player	3301	cf::object::player
2017	cf::player peaceful	3302	player
2018	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2019		3309
2020	=cut	3310	=cut
2021		3311
2022	for (	3312	for (
2023	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2024	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2026	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2027	) {	3319	) {
2028	no strict 'refs';
2029	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2030	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2031	for @funs;	3322	for @funs;
2032	}	3323	}
2033		3324
…		…
2048		3339
2049	my $qcode = $code;	3340	my $qcode = $code;
2050	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2051	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2052		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2053	local $_;	3347	local $_;
2054	local @safe::cf::_safe_eval_args = values %vars;
2055		3348
2056	my $eval =	3349	my $eval =
2057	"do {\n"	3350	"do {\n"
2058	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2059	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2060	. $code	3353	. $code
2061	. "\n}"	3354	. "\n}"
2062	;	3355	;
2063		3356
		3357	if ($CFG{safe_eval}) {
2064	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2065	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2066	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2067		3366
2068	if ($@) {	3367	if ($@) {
2069	warn "$@";	3368	warn "$@",
2070	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2071	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2072	}	3371	}
2073		3372
2074	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2075	}	3374	}
2076		3375
…		…
2090	=cut	3389	=cut
2091		3390
2092	sub register_script_function {	3391	sub register_script_function {
2093	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2094		3393
2095	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2096	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2097	}	3396	}
2098		3397
2099	=back	3398	=back
2100		3399
2101	=cut	3400	=cut
2102		3401
2103	#############################################################################	3402	#############################################################################
		3403	# the server's init and main functions
2104		3404
2105	=head2 EXTENSION DATABASE SUPPORT	3405	sub load_facedata($) {
		3406	my ($path) = @_;
2106		3407
2107	Crossfire maintains a very simple database for extension use. It can	3408	# HACK to clear player env face cache, we need some signal framework
2108	currently store anything that can be serialised using Storable, which	3409	# for this (global event?)
2109	excludes objects.	3410	%ext::player_env::MUSIC_FACE_CACHE = ();
2110		3411
2111	The parameter C<$family> should best start with the name of the extension	3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2112	using it, it should be unique.
2113		3413
2114	=over 4	3414	trace "loading facedata from $path\n";
2115		3415
2116	=item $hashref = cf::db_get $family	3416	0 < aio_load $path, my $facedata
		3417	or die "$path: $!";
2117		3418
2118	Return a hashref for use by the extension C<$family>, which can be	3419	$facedata = Coro::Storable::thaw $facedata;
2119	modified. After modifications, you have to call C<cf::db_dirty> or
2120	C<cf::db_sync>.
2121		3420
2122	=item $value = cf::db_get $family => $key	3421	$facedata->{version} == 2
		3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123		3423
2124	Returns a single value from the database	3424	# patch in the exptable
2125		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2126	=item cf::db_put $family => $hashref	3426	$facedata->{resource}{"res/exp_table"} = {
2127		3427	type => FT_RSRC,
2128	Stores the given family hashref into the database. Updates are delayed, if	3428	data => $exp_table,
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3429	hash => (Digest::MD5::md5 $exp_table),
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}
2154
2155	my $pid;
2156
2157	sub db_save() {
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});	3430	};
		3431	cf::cede_to_tick;
2177		3432
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}	3433	{
		3434	my $faces = $facedata->{faceinfo};
2182		3435
2183	sub db_get($;$) {	3436	while (my ($face, $info) = each %$faces) {
2184	@_ >= 2	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2185	? $DB->{$_[0]}{$_[1]}
2186	: ($DB->{$_[0]} ||= { })
2187	}
2188		3438
2189	sub db_put($$;$) {	3439	cf::face::set_visibility $idx, $info->{visibility};
2190	if (@_ >= 3) {	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2191	$DB->{$_[0]}{$_[1]} = $_[2];	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2192	} else {	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2193	$DB->{$_[0]} = $_[1];
2194	}
2195	db_dirty;
2196	}
2197		3443
2198	cf::global->attach (	3444	cf::cede_to_tick;
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	3445	}
2203	);
2204	}
2205		3446
2206	#############################################################################	3447	while (my ($face, $info) = each %$faces) {
2207	# the server's main()	3448	next unless $info->{smooth};
2208		3449
2209	sub cfg_load {	3450	my $idx = cf::face::find $face
2210	open my $fh, "<:utf8", cf::confdir . "/config"	3451	or next;
2211	or return;
2212		3452
2213	local $/;	3453	if (my $smooth = cf::face::find $info->{smooth}) {
2214	*CFG = YAML::Syck::Load <$fh>;	3454	cf::face::set_smooth $idx, $smooth;
		3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3456	} else {
		3457	error "smooth face '$info->{smooth}' not found for face '$face'";
		3458	}
2215		3459
		3460	cf::cede_to_tick;
		3461	}
		3462	}
		3463
		3464	{
		3465	my $anims = $facedata->{animinfo};
		3466
		3467	while (my ($anim, $info) = each %$anims) {
		3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3469	cf::cede_to_tick;
		3470	}
		3471
		3472	cf::anim::invalidate_all; # d'oh
		3473	}
		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
		3494	1
		3495	}
		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
		3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
		3520	load_resource_file "$MAPDIR/regions"
		3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
		3527	}
		3528
		3529	sub reload_facedata {
		3530	load_facedata "$DATADIR/facedata"
		3531	or die "unable to load facedata\n";
		3532	}
		3533
		3534	sub reload_archetypes {
		3535	load_resource_file "$DATADIR/archetypes"
		3536	or die "unable to load archetypes\n";
		3537	}
		3538
		3539	sub reload_treasures {
		3540	load_resource_file "$DATADIR/treasures"
		3541	or die "unable to load treasurelists\n";
		3542	}
		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
		3567	sub reload_resources {
		3568	trace "reloading resource files...\n";
		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
		3575	reload_regions;
		3576	reload_treasures;
		3577
		3578	trace "finished reloading resource files\n";
		3579	}
		3580
		3581	sub reload_config {
		3582	trace "reloading config file...\n";
		3583
		3584	0 < aio_load "$CONFDIR/config", my $config
		3585	or die "$CONFDIR/config: $!";
		3586
		3587	utf8::decode $config;
		3588	*CFG = yaml_load $config;
		3589
2216	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2217		3591
2218	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2219	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2220		3594
2221	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2225	};	3599	};
2226	warn $@ if $@;	3600	warn $@ if $@;
2227	}	3601	}
2228	}	3602	}
2229		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2230	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2231	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2234	async { Event::one_event };	3645	(async {
		3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
		3648	})->prio (Coro::PRIO_MAX);
2235	};	3649	};
2236		3650
2237	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
2238	db_load;	3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
		3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2239	load_extensions;	3674	load_extensions;
2240	Event::loop;	3675
		3676	utime time, time, $RUNTIMEFILE;
		3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2241	}	3694	}
2242		3695
2243	#############################################################################	3696	#############################################################################
2244	# initialisation and cleanup	3697	# initialisation and cleanup
2245		3698
2246	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2247	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2248	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2250	data => WF_AUTOCANCEL,
2251	signal => $signal,
2252	cb => sub {
2253	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2254	},
2255	);	3705	};
		3706	}
		3707	}
		3708
		3709	sub write_runtime_sync {
		3710	my $t0 = AE::time;
		3711
		3712	# first touch the runtime file to show we are still running:
		3713	# the fsync below can take a very very long time.
		3714
		3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3716
		3717	my $guard = cf::lock_acquire "write_runtime";
		3718
		3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3720	or return;
		3721
		3722	my $value = $cf::RUNTIME + 90 + 10;
		3723	# 10 is the runtime save interval, for a monotonic clock
		3724	# 60 allows for the watchdog to kill the server.
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	# touch it again to show we are up-to-date
		3734	aio_utime $fh, undef, undef;
		3735
		3736	close $fh
		3737	or return;
		3738
		3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3740	and return;
		3741
		3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3743
2256	}	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2257	}	3795	}
2258		3796
2259	sub emergency_save() {	3797	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2261		3799
2262	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2263		3806
2264	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2265	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2266	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2267	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2268	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2269	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2270	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2271	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2272	$pl->save;	3818	$pl->save;
2273	}	3819	}
2274	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2275		3821
2276	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2277	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2278	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	3827	$map->valid or next;
2280	$map->save;	3828	$map->save;
2281	}	3829	}
2282	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
		3835	BDB::db_env_txn_checkpoint $DB_ENV;
		3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2283	};	3860	};
2284		3861
2285	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2286	}	3863	}
2287		3864
		3865	sub post_cleanup {
		3866	my ($make_core) = @_;
		3867
		3868	IO::AIO::flush;
		3869
		3870	error Carp::longmess "post_cleanup backtrace"
		3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
		3900	}
		3901
2288	sub reload() {	3902	sub do_reload_perl() {
2289	# can/must only be called in main	3903	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2291	warn "can only reload from main coroutine\n";	3905	error "can only reload from main coroutine";
2292	return;	3906	return;
2293	}	3907	}
2294		3908
2295	warn "reloading...";	3909	return if $RELOAD++;
2296		3910
2297	warn "freezing server";	3911	my $t1 = AE::time;
2298	my $guard = freeze_mainloop;	3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
		3919	cf::sync_job {
2299	cf::emergency_save;	3920	#cf::emergency_save;
2300		3921
2301	warn "sync database to disk";	3922	trace "perl_reload: cancelling all extension coros";
2302	cf::db_sync;
2303	IO::AIO::flush;
2304
2305	eval {
2306	# if anything goes wrong in here, we should simply crash as we already saved
2307
2308	warn "cancel all watchers";
2309	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}
2312
2313	warn "cancel all extension coros";
2314	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	3924	%EXT_CORO = ();
2316		3925
2317	warn "remove commands";	3926	trace "perl_reload: removing commands";
2318	%COMMAND = ();	3927	%COMMAND = ();
2319		3928
2320	warn "remove ext commands";	3929	trace "perl_reload: removing ext/exti commands";
2321	%EXTCMD = ();	3930	%EXTCMD = ();
		3931	%EXTICMD = ();
2322		3932
2323	warn "unload/nuke all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2326		3936
2327	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2328	eval {	3938	eval {
2329	$cb->($pkg);	3939	$cb->($pkg);
2330	1	3940	1
2331	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2332	}	3946	}
2333		3947
2334	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;
2336	}
2337
2338	warn "unload all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		3951
2342	warn "removing <$k>";	3952	trace "... unloading $k";
2343	delete $INC{$k};	3953	delete $INC{$k};
2344		3954
2345	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2347		3957
2348	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2349	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2350	}	3963	}
2351		3964
2352	Symbol::delete_package $k;
2353	}
2354
2355	warn "get rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2358		3968
2359	warn "unload cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
		3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2361		3972
2362	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2363	# and global variables created in xs	3974	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2365		3976
2366	warn "reloading cf.pm";	3977	info "perl_reload: unload completed, starting to reload now";
		3978
		3979	trace "perl_reload: reloading cf.pm";
2367	require cf;	3980	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2369		3982
2370	warn "load config and database again";	3983	trace "perl_reload: loading config and database again";
2371	cf::cfg_load;	3984	cf::reload_config;
2372	cf::db_load;
2373		3985
2374	warn "load extensions";	3986	trace "perl_reload: loading extensions";
2375	cf::load_extensions;	3987	cf::load_extensions;
2376		3988
		3989	if ($REATTACH_ON_RELOAD) {
2377	warn "reattach attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2378	_global_reattach;	3991	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2380	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
		3994	trace "perl_reload: reattaching attachments to players";
		3995	reattach $_ for values %PLAYER;
		3996	}
		3997
		3998	cf::_post_init 1;
		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
		4002	1
		4003	} or do {
		4004	error $@;
		4005	cf::cleanup "perl_reload: error, exiting.";
		4006	};
		4007
		4008	--$RELOAD;
		4009	}
		4010
		4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
		4013	};
		4014
		4015	our $RELOAD_WATCHER; # used only during reload
		4016
		4017	sub reload_perl() {
		4018	# doing reload synchronously and two reloads happen back-to-back,
		4019	# coro crashes during coro_state_free->destroy here.
		4020
		4021	$RELOAD_WATCHER ||= cf::async {
		4022	Coro::AIO::aio_wait cache_extensions;
		4023
		4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4025	do_reload_perl;
		4026	undef $RELOAD_WATCHER;
		4027	};
2381	};	4028	};
2382		4029	}
2383	if ($@) {
2384	warn $@;
2385	warn "error while reloading, exiting.";
2386	exit 1;
2387	}
2388
2389	warn "reloaded";
2390	};
2391		4030
2392	register_command "reload" => sub {	4031	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
2394		4033
2395	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
		4038	reload_perl;
		4039	};
2399	}	4040	}
2400	};	4041	};
2401		4042
2402	unshift @INC, $LIBDIR;	4043	#############################################################################
2403		4044
2404	$TICK_WATCHER = Event->timer (	4045	my $bug_warning = 0;
2405	reentrant => 0,
2406	prio => 0,
2407	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,
2409	cb => sub {
2410	$NOW = Event::time;
2411		4046
		4047	our @WAIT_FOR_TICK;
		4048	our @WAIT_FOR_TICK_BEGIN;
		4049
		4050	sub wait_for_tick() {
		4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4052
		4053	my $signal = new Coro::Signal;
		4054	push @WAIT_FOR_TICK, $signal;
		4055	$signal->wait;
		4056	}
		4057
		4058	sub wait_for_tick_begin() {
		4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4060
		4061	my $signal = new Coro::Signal;
		4062	push @WAIT_FOR_TICK_BEGIN, $signal;
		4063	$signal->wait;
		4064	}
		4065
		4066	sub tick {
		4067	if ($Coro::current != $Coro::main) {
		4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4069	unless ++$bug_warning > 10;
		4070	return;
		4071	}
		4072
2412	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
2413	$RUNTIME += $TICK;
2414	$NEXT_TICK += $TICK;
2415		4074
2416	$WAIT_FOR_TICK->broadcast;	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2418		4076
2419	# if we are delayed by four ticks or more, skip them all	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2421		4079	Coro::async_pool {
2422	$TICK_WATCHER->at ($NEXT_TICK);	4080	$Coro::current->{desc} = "runtime saver";
2423	$TICK_WATCHER->start;
2424	},
2425	);
2426
2427	IO::AIO::max_poll_time $TICK * 0.2;
2428
2429	$AIO_POLL_WATCHER = Event->io (
2430	fd => IO::AIO::poll_fileno,
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436
2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2438	data => WF_AUTOCANCEL,
2439	after => 0,
2440	interval => 10,
2441	cb => sub {
2442	(Coro::unblock_sub {
2443	write_runtime	4081	write_runtime_sync
2444	or warn "ERROR: unable to write runtime file: $!";	4082	or error "ERROR: unable to write runtime file: $!";
2445	})->();	4083	};
2446	},	4084	}
2447	);	4085
		4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4087	$sig->send;
		4088	}
		4089	while (my $sig = shift @WAIT_FOR_TICK) {
		4090	$sig->send;
		4091	}
		4092
		4093	$LOAD = ($NOW - $TICK_START) / $TICK;
		4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4095
		4096	if (0) {
		4097	if ($NEXT_TICK) {
		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
		4102	}
		4103	}
		4104
		4105	{
		4106	# configure BDB
		4107
		4108	BDB::min_parallel 16;
		4109	BDB::max_poll_reqs $TICK * 0.1;
		4110	$AnyEvent::BDB::WATCHER->priority (1);
		4111
		4112	unless ($DB_ENV) {
		4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4119
		4120	cf::sync_job {
		4121	eval {
		4122	BDB::db_env_open
		4123	$DB_ENV,
		4124	$BDBDIR,
		4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4127	0666;
		4128
		4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4130	};
		4131
		4132	cf::cleanup "db_env_open(db): $@" if $@;
		4133	};
		4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
		4145	}
		4146
		4147	{
		4148	# configure IO::AIO
		4149
		4150	IO::AIO::min_parallel 8;
		4151	IO::AIO::max_poll_time $TICK * 0.1;
		4152	undef $AnyEvent::AIO::WATCHER;
		4153	}
		4154
		4155	my $_log_backtrace;
		4156
		4157	sub _log_backtrace {
		4158	my ($msg, @addr) = @_;
		4159
		4160	$msg =~ s/\n//;
		4161
		4162	# limit the # of concurrent backtraces
		4163	if ($_log_backtrace < 2) {
		4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
		4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
		4169	my @bt = fork_call {
		4170	@addr = map { sprintf "%x", $_ } @addr;
		4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4173	or die "addr2line: $!";
		4174
		4175	my @funcs;
		4176	my @res = <$fh>;
		4177	chomp for @res;
		4178	while (@res) {
		4179	my ($func, $line) = splice @res, 0, 2, ();
		4180	push @funcs, "[$func] $line";
		4181	}
		4182
		4183	@funcs
		4184	};
		4185
		4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4188	LOG llevInfo, "[ABT] $_\n" for @bt;
		4189	--$_log_backtrace;
		4190	};
		4191	} else {
		4192	LOG llevInfo, "[ABT] $msg\n";
		4193	LOG llevInfo, "[ABT] [suppressed]\n";
		4194	}
		4195	}
		4196
		4197	# load additional modules
		4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
2448		4200
2449	END { cf::emergency_save }	4201	END { cf::emergency_save }
2450		4202
2451	1	4203	1
2452		4204

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