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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.185 by root, Fri Jan 19 23:32:52 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 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 3.4 ();	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 path $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
…		…
1121	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1123		1860
1124	sub generate_random_map {	1861	sub generate_random_map {
1125	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
		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 {
1156	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1157		1904
1158	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1159	local $self->{path};	1906	local $self->{path};
1160	local $self->{load_path};	1907	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1908
1164	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1165	}	1910	}
1166		1911
1167	sub normalise {	1912	sub normalise {
1168	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
		1914
		1915	$path = "$path"; # make sure it's a string
		1916
		1917	$path =~ s/\.map$//;
1169		1918
1170	# map plan:	1919	# map plan:
1171	#	1920	#
1172	# /! non-realised random map exit (special hack!)	1921	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1922	# {... are special paths that are not being touched
…		…
1186	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	1936	$path = "$base/$path";
1188	}	1937	}
1189		1938
1190	for ($path) {	1939	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1194	}	1942	}
1195		1943
1196	$path	1944	$path
…		…
1201		1949
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1950	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1951
1204	$path = normalise $path, $base;	1952	$path = normalise $path, $base;
1205		1953
1206	for my $pkg (keys %EXT_MAP) {	1954	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1955	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1956	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1957	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1211	return $self;	1959	return $self;
1212	}	1960	}
1213	}	1961	}
1214		1962
1215	Carp::carp "unable to resolve path '$path'.";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	1964	()
1217	}	1965	}
1218		1966
1219	sub init {	1967	sub init {
1220	my ($self) = @_;	1968	my ($self) = @_;
…		…
1235		1983
1236	# the original (read-only) location	1984	# the original (read-only) location
1237	sub load_path {	1985	sub load_path {
1238	my ($self) = @_;	1986	my ($self) = @_;
1239		1987
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1241	}	1989	}
1242		1990
1243	# the temporary/swap location	1991	# the temporary/swap location
1244	sub save_path {	1992	sub save_path {
1245	my ($self) = @_;	1993	my ($self) = @_;
1246		1994
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1249	}	1997	}
1250		1998
1251	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1252	sub uniq_path {	2000	sub uniq_path {
1253	my ($self) = @_;	2001	my ($self) = @_;
1254		2002
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1257	}	2005	}
1258		2006
1259	# and all this just because we cannot iterate over	2007	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	2008	my ($self) = @_;
1263		2009
1264	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1266	}	2013	}
1267		2014
1268	sub unlink_save {	2015	sub unlink_save {
1269	my ($self) = @_;	2016	my ($self) = @_;
1270		2017
…		…
1275		2022
1276	sub load_header_from($) {	2023	sub load_header_from($) {
1277	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1278		2025
1279	utf8::encode $path;	2026	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1281	or return;	2028	or return;
1282		2029
1283	$self->_load_header ($path)	2030	$self->_load_header ($f)
1284	or return;	2031	or return;
1285		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
		2035
1286	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1287		2037
1288	1	2038	1
1289	}	2039	}
1290		2040
1291	sub load_orig {	2041	sub load_header_orig {
1292	my ($self) = @_;	2042	my ($self) = @_;
1293		2043
1294	$self->load_header_from ($self->load_path)	2044	$self->load_header_from ($self->load_path)
1295	}	2045	}
1296		2046
1297	sub load_temp {	2047	sub load_header_temp {
1298	my ($self) = @_;	2048	my ($self) = @_;
1299		2049
1300	$self->load_header_from ($self->save_path)	2050	$self->load_header_from ($self->save_path)
		2051	}
		2052
		2053	sub prepare_temp {
		2054	my ($self) = @_;
		2055
		2056	$self->last_access ((delete $self->{last_access})
		2057	|| $cf::RUNTIME); #d#
		2058	# safety
		2059	$self->{instantiate_time} = $cf::RUNTIME
		2060	if $self->{instantiate_time} > $cf::RUNTIME;
		2061	}
		2062
		2063	sub prepare_orig {
		2064	my ($self) = @_;
		2065
		2066	$self->{load_original} = 1;
		2067	$self->{instantiate_time} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069	$self->instantiate;
1301	}	2070	}
1302		2071
1303	sub load_header {	2072	sub load_header {
1304	my ($self) = @_;	2073	my ($self) = @_;
1305		2074
1306	if ($self->load_temp) {	2075	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2076	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2077	} else {
1313	$self->load_orig	2078	$self->load_header_orig
1314	or return;	2079	or return;
1315		2080	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2081	}
		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
		2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
1321		2088
1322	1	2089	1
1323	}	2090	}
1324		2091
1325	sub find;	2092	sub find;
1326	sub find {	2093	sub find {
1327	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1328		2095
		2096	cf::cede_to_tick;
		2097
1329	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1330		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2102
1333	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1336	or return;	2105	or return;
1337		2106
1338	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1339		2108
1340	$map->load_header	2109	$map->load_header
1341	or return;	2110	or return;
1342		2111
1343	if ($map->should_reset) {	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1344	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1345	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1346	$map->reset;	2117	$map->reset;
1347	undef $guard;
1348	$map = find $path	2118	return find $path;
1349	or return;
1350	}	2119	}
1351		2120
1352	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1353	}	2122	}
1354	}	2123	}
		2124
		2125	sub pre_load { }
		2126	#sub post_load { } # XS
1355		2127
1356	sub load {	2128	sub load {
1357	my ($self) = @_;	2129	my ($self) = @_;
1358		2130
		2131	local $self->{deny_reset} = 1; # loading can take a long time
		2132
1359	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1361		2137
		2138	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2140
1364	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1365		2142
1366	$self->alloc;	2143	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	2144
		2145	$self->pre_load;
		2146	cf::cede_to_tick;
		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1368	or return;	2151	or return;
1369		2152
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1371	if delete $self->{load_original};	2154	if delete $self->{load_original};
1372		2155
1373	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2157	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2160	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1378	}	2164	}
1379	}	2165	}
1380		2166
1381	Coro::cede;	2167	$f->resolve_delayed_derefs;
1382		2168
		2169	cf::cede_to_tick;
1383	# now do the right thing for maps	2170	# now do the right thing for maps
1384	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2173	unless $self->difficulty;
1394	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1395	$self->activate;	2181	$self->activate;
1396	}	2182	}
1397		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1399	}	2188	}
1400		2189
		2190	$self->post_load;
		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
1401	sub customise_for {	2198	sub customise_for {
1402	my ($self, $ob) = @_;	2199	my ($self, $ob) = @_;
1403		2200
1404	return find "~" . $ob->name . "/" . $self->{path}	2201	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2202	if $self->per_player;
1406		2203
		2204	# return find "?party/" . $ob->name . "/" . $self->{path}
		2205	# if $self->per_party;
		2206
1407	$self	2207	$self
1408	}	2208	}
1409		2209
1410	# find and load all maps in the 3x3 area around a map	2210	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2211	sub load_neighbours {
1412	my ($map) = @_;	2212	my ($map) = @_;
1413		2213
1414	my @diag; # diagonal neighbours	2214	my @neigh; # diagonal neighbours
1415		2215
1416	for (0 .. 3) {	2216	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2217	my $neigh = $map->tile_path ($_)
1418	or next;	2218	or next;
1419	$neigh = find $neigh, $map	2219	$neigh = find $neigh, $map
1420	or next;	2220	or next;
1421	$neigh->load;	2221	$neigh->load;
1422		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2227	}
1426		2228
1427	for (@diag) {	2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2231	my $neigh = find $path, $origin
1429	or next;	2232	or next;
1430	$neigh->load;	2233	$neigh->load;
1431	}	2234	}
1432	}	2235	}
1433		2236
1434	sub find_sync {	2237	sub find_sync {
1435	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1436		2239
1437	cf::sync_job { find $path, $origin }	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	find $path, $origin
1438	}	2244	}
1439		2245
1440	sub do_load_sync {	2246	sub do_load_sync {
1441	my ($map) = @_;	2247	my ($map) = @_;
1442		2248
1443	cf::sync_job { $map->load };	2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
		2252	$map->load;
1444	}	2253	}
1445		2254
1446	our %MAP_PREFETCH;	2255	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = undef;	2256	our $MAP_PREFETCHER = undef;
1448		2257
1449	sub find_async {	2258	sub find_async {
1450	my ($path, $origin) = @_;	2259	my ($path, $origin, $load) = @_;
1451		2260
1452	$path = normalise $path, $origin && $origin->{path};	2261	$path = normalise $path, $origin && $origin->{path};
1453		2262
1454	if (my $map = $cf::MAP{$path}) {	2263	if (my $map = $cf::MAP{$path}) {
1455	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1456	}	2265	}
1457		2266
1458	undef $MAP_PREFETCH{$path};	2267	$MAP_PREFETCH{$path} |= $load;
		2268
1459	$MAP_PREFETCHER ||= cf::async {	2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
1460	while (%MAP_PREFETCH) {	2272	while (%MAP_PREFETCH) {
1461	for my $path (keys %MAP_PREFETCH) {	2273	while (my ($k, $v) = each %MAP_PREFETCH) {
1462	my $map = find $path	2274	if (my $map = find $k) {
1463	or next;
1464	$map->load;	2275	$map->load if $v;
		2276	}
1465		2277
1466	delete $MAP_PREFETCH{$path};	2278	delete $MAP_PREFETCH{$k};
1467	}	2279	}
1468	}	2280	}
1469	undef $MAP_PREFETCHER;	2281	undef $MAP_PREFETCHER;
1470	};	2282	};
		2283	$MAP_PREFETCHER->prio (6);
1471		2284
1472	()	2285	()
1473	}	2286	}
1474		2287
		2288	# common code, used by both ->save and ->swapout
1475	sub save {	2289	sub _save {
1476	my ($self) = @_;	2290	my ($self) = @_;
1477
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1479		2291
1480	$self->{last_save} = $cf::RUNTIME;	2292	$self->{last_save} = $cf::RUNTIME;
1481		2293
1482	return unless $self->dirty;	2294	return unless $self->dirty;
1483		2295
…		…
1489	return if $self->{deny_save};	2301	return if $self->{deny_save};
1490		2302
1491	local $self->{last_access} = $self->last_access;#d#	2303	local $self->{last_access} = $self->last_access;#d#
1492		2304
1493	cf::async {	2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2307	$_->contr->save for $self->players;
1495	};	2308	};
		2309
		2310	cf::get_slot 0.02;
1496		2311
1497	if ($uniq) {	2312	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2315	} else {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1502	}	2317	}
1503	}	2318	}
1504		2319
		2320	sub save {
		2321	my ($self) = @_;
		2322
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	$self->_save;
		2326	}
		2327
1505	sub swap_out {	2328	sub swap_out {
1506	my ($self) = @_;	2329	my ($self) = @_;
1507		2330
1508	# save first because save cedes
1509	$self->save;
1510
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1513	return if $self->players;	2335	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};
1516		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
		2343	$self->_save;
		2344
		2345	# then free the map
1517	$self->clear;	2346	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2347	}
1520		2348
1521	sub reset_at {	2349	sub reset_at {
1522	my ($self) = @_;	2350	my ($self) = @_;
1523		2351
1524	# TODO: safety, remove and allow resettable per-player maps	2352	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2353	return 1e99 if $self->{deny_reset};
1527		2354
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2355	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2356	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2357
…		…
1541	my ($self) = @_;	2368	my ($self) = @_;
1542		2369
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2371
1545	return if $self->players;	2372	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2373
1548	warn "resetting map ", $self->path;#d#	2374	cf::trace "resetting map ", $self->path, "\n";
		2375
		2376	$self->in_memory (cf::MAP_SWAPPED);
		2377
		2378	# need to save uniques path
		2379	unless ($self->{deny_save}) {
		2380	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2381
		2382	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2383	if $uniq;
		2384	}
1549		2385
1550	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1551		2387
1552	$self->in_memory (cf::MAP_SWAPPED);	2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2390	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2391
1557	$self->unlink_save;	2392	$self->unlink_save;
1558	$self->destroy;	2393	$self->destroy;
1559	}	2394	}
1560		2395
1561	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
1562		2397
1563	sub nuke {	2398	sub nuke {
1564	my ($self) = @_;	2399	my ($self) = @_;
1565		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
1566	delete $cf::MAP{$self->path};	2404	delete $cf::MAP{$self->path};
1567		2405
1568	$self->unlink_save;	2406	$self->unlink_save;
1569		2407
1570	bless $self, "cf::map";	2408	bless $self, "cf::map::wrap";
1571	delete $self->{deny_reset};	2409	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2413
1576	$cf::MAP{$self->path} = $self;	2414	$cf::MAP{$self->path} = $self;
		2415	}
1577		2416
1578	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
		2418	}
		2419
		2420	=item $maps = cf::map::tmp_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	maps. May block.
		2424
		2425	=cut
		2426
		2427	sub tmp_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise $_
		2433	: ()
		2434	} @{ aio_readdir $TMPDIR or [] }
		2435	]
		2436	}
		2437
		2438	=item $maps = cf::map::random_maps
		2439
		2440	Returns an arrayref with all map paths of currently instantiated and saved
		2441	random maps. May block.
		2442
		2443	=cut
		2444
		2445	sub random_maps() {
		2446	[
		2447	map {
		2448	utf8::decode $_;
		2449	/\.map$/
		2450	? normalise "?random/$_"
		2451	: ()
		2452	} @{ aio_readdir $RANDOMDIR or [] }
		2453	]
1579	}	2454	}
1580		2455
1581	=item cf::map::unique_maps	2456	=item cf::map::unique_maps
1582		2457
1583	Returns an arrayref of paths of all shared maps that have	2458	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2459	instantiated unique items. May block.
1585		2460
1586	=cut	2461	=cut
1587		2462
1588	sub unique_maps() {	2463	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2464	[
1590	or return;	2465	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2466	utf8::decode $_;
1596	next if /\.pst$/;	2467	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
		2470	: normalise $_
		2471	} @{ aio_readdir $UNIQUEDIR or [] }
		2472	]
		2473	}
1598		2474
		2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
1599	s/\.map$//;	2496	s/\.map$// or next;
1600	push @paths, $_;	2497	utf8::decode $_;
1601	}	2498	push @maps, "$dir/$_";
		2499	}
1602		2500
1603	\@paths	2501	push @dirs, map "$dir/$_", @$dirs;
1604	}	2502	}
1605		2503
1606	package cf;	2504	\@maps
		2505	}
1607		2506
1608	=back	2507	=back
1609		2508
1610	=head3 cf::object	2509	=head3 cf::object
1611		2510
…		…
1615		2514
1616	=over 4	2515	=over 4
1617		2516
1618	=item $ob->inv_recursive	2517	=item $ob->inv_recursive
1619		2518
1620	Returns the inventory of the object _and_ their inventories, recursively.	2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
1621		2521
1622	=cut	2522	=cut
1623		2523
1624	sub inv_recursive_;	2524	sub inv_recursive_;
1625	sub inv_recursive_ {	2525	sub inv_recursive_ {
…		…
1628		2528
1629	sub inv_recursive {	2529	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2530	inv_recursive_ inv $_[0]
1631	}	2531	}
1632		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
		2559	}
		2560
1633	package cf;	2561	package cf;
1634		2562
1635	=back	2563	=back
1636		2564
1637	=head3 cf::object::player	2565	=head3 cf::object::player
…		…
1643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
1645	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
1646		2574
1647	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
1648		2590
1649	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2592	# with dialog boxes.
1651	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
1652	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
1654		2596
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2597	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2598
1657	if ($self->{record_replies}) {	2599	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2600	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2601
1659	} else {	2602	} else {
		2603	my $pl = $self->contr;
		2604
		2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2606	my $dialog = $pl->{npc_dialog};
		2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2608
		2609	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2612	}
1662	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
1663	}	2624	}
1664		2625
1665	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
1666		2627
1667	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
1680		2641
1681	=item $player_object->enter_link	2642	=item $player_object->enter_link
1682		2643
1683	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
1684		2645
1685	The player should be reasonably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
1686	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
1687		2650
1688	Will never block.	2651	Will never block.
1689		2652
1690	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
1691		2654
…		…
1699	=cut	2662	=cut
1700		2663
1701	sub link_map {	2664	sub link_map {
1702	unless ($LINK_MAP) {	2665	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2666	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2667	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2668	$LINK_MAP->load;
1706	}	2669	}
1707		2670
1708	$LINK_MAP	2671	$LINK_MAP
1709	}	2672	}
…		…
1711	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
1712	my ($self) = @_;	2675	my ($self) = @_;
1713		2676
1714	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
1715		2678
		2679	++$self->{_link_recursion};
		2680
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2682
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2684	if $self->map && $self->map->{path} ne "{link}";
1720		2685
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1722	}	2687	}
1723		2688
1724	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
		2691
		2692	return unless $self->contr->active;
1726		2693
1727	my $link_pos = delete $self->{_link_pos};	2694	my $link_pos = delete $self->{_link_pos};
1728		2695
1729	unless ($map) {	2696	unless ($map) {
1730	# restore original map position	2697	# restore original map position
…		…
1741	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
1742	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
1743		2710
1744	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
1747		2714
1748	$map->load;	2715	$map->load;
1749	$map->load_diag;	2716	$map->load_neighbours;
1750		2717
1751	return unless $self->contr->active;	2718	return unless $self->contr->active;
		2719
		2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2721	if ($self->enter_map ($map, $x, $y)) {
		2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
1752	$self->activate_recursive;	2725	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}
1755
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},	2726	}
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2727
1770	# try to abort aborted map switching on player login :)	2728	}
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2729
1788	=item $player_object->goto ($path, $x, $y)	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1789		2731
		2732	Moves the player to the given map-path and coordinates by first freezing
		2733	her, loading and preparing them map, calling the provided $check callback
		2734	that has to return the map if sucecssful, and then unfreezes the player on
		2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
		2740
1790	=cut	2741	=cut
		2742
		2743	our $GOTOGEN;
1791		2744
1792	sub cf::object::player::goto {	2745	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
		2753
		2754	# do generation counting so two concurrent goto's will be executed in-order
		2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2756
1795	$self->enter_link;	2757	$self->enter_link;
1796		2758
1797	(async {	2759	(async {
1798	my $map = cf::map::find $path;	2760	$Coro::current->{desc} = "player::goto $path $x $y";
		2761
		2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
		2781	my $map = eval {
		2782	my $map = defined $path ? cf::map::find $path : undef;
		2783
		2784	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2785	$map = $map->customise_for ($self);
1800		2786	$map = $check->($map, $x, $y, $self) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2787	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2789	}
1805		2790
		2791	$map
		2792	};
		2793
		2794	if ($@) {
		2795	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2796	LOG llevError | logBacktrace, Carp::longmess $@;
		2797	}
		2798
		2799	if ($gen == $self->{_goto_generation}) {
		2800	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
		2802	}
		2803
		2804	$done->($self) if $done;
1807	})->prio (1);	2805	})->prio (1);
1808	}	2806	}
1809		2807
1810	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
1811		2809
…		…
1831	}	2829	}
1832		2830
1833	sub prepare_random_map {	2831	sub prepare_random_map {
1834	my ($exit) = @_;	2832	my ($exit) = @_;
1835		2833
1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1837
1838	# all this does is basically replace the /! path by	2834	# all this does is basically replace the /! path by
1839	# a new random map path (?random/...) with a seed	2835	# a new random map path (?random/...) with a seed
1840	# that depends on the exit object	2836	# that depends on the exit object
1841		2837
1842	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
1843		2839
1844	if ($exit->map) {	2840	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2841	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
1849	}	2847	}
1850		2848
1851	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
1852		2850
1853	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1854	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2853	my $meta = "$RANDOMDIR/$md5.meta";
1856		2854
1857	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
1859	undef $fh;	2857	undef $fh;
1860	aio_rename "$meta~", $meta;	2858	aio_rename "$meta~", $meta;
1861		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
1862	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
1863	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
1864	}	2866	}
1865	}	2867	}
1866		2868
1867	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
1868	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
…		…
1870	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
1871		2873
1872	$self->enter_link;	2874	$self->enter_link;
1873		2875
1874	(async {	2876	(async {
1875	$self->deactivate_recursive; # just to be sure	2877	$Coro::current->{desc} = "enter_exit";
		2878
1876	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
1877	prepare_random_map $exit	2886	prepare_random_map $exit
1878	if $exit->slaying eq "/!";	2887	if $exit->slaying eq "/!";
		2888	}
1879		2889
1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
1882		2893
		2894	$self->goto ($map, $x, $y);
		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
1883	1;	2900	1
1884	}) {	2901	}) {
1885	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
1886	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
1887	. "Please report this to the dungeon master!",	2904	. "Please report this to the dungeon master!",
1888	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
1889		2906
1890	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
1891	$self->leave_link;	2908	$self->leave_link;
1892	}	2909	}
1893	})->prio (1);	2910	})->prio (1);
1894	}	2911	}
1895		2912
…		…
1906		2923
1907	sub cf::client::send_drawinfo {	2924	sub cf::client::send_drawinfo {
1908	my ($self, $text, $flags) = @_;	2925	my ($self, $text, $flags) = @_;
1909		2926
1910	utf8::encode $text;	2927	utf8::encode $text;
1911	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1912	}	2929	}
1913		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
		2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2957
		2958	Send a drawinfo or msg packet to the client, formatting the msg for the
		2959	client if neccessary. C<$type> should be a string identifying the type of
		2960	the message, with C<log> being the default. If C<$color> is negative, suppress
		2961	the message unless the client supports the msg packet.
		2962
		2963	=cut
		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
		3079	sub cf::client::send_msg {
		3080	my ($self, $channel, $msg, $color, @extra) = @_;
		3081
		3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
		3103
		3104	return unless @extra || length $msg;
		3105
		3106	# default colour, mask it out
		3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3108	if $color & cf::NDI_DEF;
		3109
		3110	my $pkt = "msg "
		3111	. $self->{json_coder}->encode (
		3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3113	);
		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
		3118	=item $client->ext_msg ($type, @msg)
		3119
		3120	Sends an ext event to the client.
		3121
		3122	=cut
		3123
		3124	sub cf::client::ext_msg($$@) {
		3125	my ($self, $type, @msg) = @_;
		3126
		3127	if ($self->extcmd == 2) {
		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
		3130	push @msg, msgtype => "event_$type";
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
		3151	}
1914		3152
1915	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
1916		3154
1917	Queues a query to the client, calling the given callback with	3155	Queues a query to the client, calling the given callback with
1918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3156	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3157	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1920		3158
1921	Queries can fail, so check the return code. Or don't, as queries will become	3159	Queries can fail, so check the return code. Or don't, as queries will
1922	reliable at some point in the future.	3160	become reliable at some point in the future.
1923		3161
1924	=cut	3162	=cut
1925		3163
1926	sub cf::client::query {	3164	sub cf::client::query {
1927	my ($self, $flags, $text, $cb) = @_;	3165	my ($self, $flags, $text, $cb) = @_;
…		…
1935	utf8::encode $text;	3173	utf8::encode $text;
1936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3174	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1937		3175
1938	$self->send_packet ($self->{query_queue}[0][0])	3176	$self->send_packet ($self->{query_queue}[0][0])
1939	if @{ $self->{query_queue} } == 1;	3177	if @{ $self->{query_queue} } == 1;
		3178
		3179	1
1940	}	3180	}
1941		3181
1942	cf::client->attach (	3182	cf::client->attach (
		3183	on_connect => sub {
		3184	my ($ns) = @_;
		3185
		3186	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3187	},
1943	on_reply => sub {	3188	on_reply => sub {
1944	my ($ns, $msg) = @_;	3189	my ($ns, $msg) = @_;
1945		3190
1946	# this weird shuffling is so that direct followup queries	3191	# this weird shuffling is so that direct followup queries
1947	# get handled first	3192	# get handled first
1948	my $queue = delete $ns->{query_queue}	3193	my $queue = delete $ns->{query_queue}
1949	or return; # be conservative, not sure how that can happen, but we saw a crash here	3194	or return; # be conservative, not sure how that can happen, but we saw a crash here
1950		3195
1951	(shift @$queue)->[1]->($msg);	3196	(shift @$queue)->[1]->($msg);
		3197	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1952		3198
1953	push @{ $ns->{query_queue} }, @$queue;	3199	push @{ $ns->{query_queue} }, @$queue;
1954		3200
1955	if (@{ $ns->{query_queue} } == @$queue) {	3201	if (@{ $ns->{query_queue} } == @$queue) {
1956	if (@$queue) {	3202	if (@$queue) {
…		…
1958	} else {	3204	} else {
1959	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3205	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1960	}	3206	}
1961	}	3207	}
1962	},	3208	},
		3209	on_exticmd => sub {
		3210	my ($ns, $buf) = @_;
		3211
		3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3213
		3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
		3222	if (my $cb = $EXTICMD{$type}) {
		3223	@reply = $cb->($ns, @payload);
		3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
		3229	} else {
		3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3231	}
		3232
		3233	cf::override;
		3234	},
1963	);	3235	);
1964		3236
1965	=item $client->async (\&cb)	3237	=item $client->async (\&cb)
1966		3238
1967	Create a new coroutine, running the specified callback. The coroutine will	3239	Create a new coroutine, running the specified callback. The coroutine will
…		…
1983		3255
1984	$coro	3256	$coro
1985	}	3257	}
1986		3258
1987	cf::client->attach (	3259	cf::client->attach (
1988	on_destroy => sub {	3260	on_client_destroy => sub {
1989	my ($ns) = @_;	3261	my ($ns) = @_;
1990		3262
1991	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1992	},	3264	},
1993	);	3265	);
…		…
2008	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
2009	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
2010		3282
2011	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
2012		3284
2013	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
2014		3290
2015	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
2016		3292
2017	=pod	3293	=pod
2018		3294
2019	The following fucntions and emthods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
2020		3296
2021	cf::object contr pay_amount pay_player map	3297	cf::object
		3298	contr pay_amount pay_player map x y force_find force_add destroy
		3299	insert remove name archname title slaying race decrease split
		3300	value
		3301
2022	cf::object::player player	3302	cf::object::player
2023	cf::player peaceful	3303	player
2024	cf::map trigger	3304
		3305	cf::player
		3306	peaceful
		3307
		3308	cf::map
		3309	trigger
2025		3310
2026	=cut	3311	=cut
2027		3312
2028	for (	3313	for (
2029	["cf::object" => qw(contr pay_amount pay_player map)],	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
2030	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
2031	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
2032	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
2033	) {	3320	) {
2034	no strict 'refs';
2035	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
2036	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2037	for @funs;	3323	for @funs;
2038	}	3324	}
2039		3325
…		…
2054		3340
2055	my $qcode = $code;	3341	my $qcode = $code;
2056	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2057	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
2058		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
2059	local $_;	3348	local $_;
2060	local @safe::cf::_safe_eval_args = values %vars;
2061		3349
2062	my $eval =	3350	my $eval =
2063	"do {\n"	3351	"do {\n"
2064	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2065	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
2066	. $code	3354	. $code
2067	. "\n}"	3355	. "\n}"
2068	;	3356	;
2069		3357
		3358	if ($CFG{safe_eval}) {
2070	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
2071	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2072	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
2073		3367
2074	if ($@) {	3368	if ($@) {
2075	warn "$@";	3369	warn "$@",
2076	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
2077	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
2078	}	3372	}
2079		3373
2080	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
2081	}	3375	}
2082		3376
…		…
2096	=cut	3390	=cut
2097		3391
2098	sub register_script_function {	3392	sub register_script_function {
2099	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
2100		3394
2101	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
2102	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
2103	}	3397	}
2104		3398
2105	=back	3399	=back
2106		3400
2107	=cut	3401	=cut
2108		3402
2109	#############################################################################	3403	#############################################################################
		3404	# the server's init and main functions
2110		3405
2111	=head2 EXTENSION DATABASE SUPPORT	3406	sub load_facedata($) {
		3407	my ($path) = @_;
2112		3408
2113	Crossfire maintains a very simple database for extension use. It can	3409	# HACK to clear player env face cache, we need some signal framework
2114	currently store anything that can be serialised using Storable, which	3410	# for this (global event?)
2115	excludes objects.	3411	%ext::player_env::MUSIC_FACE_CACHE = ();
2116		3412
2117	The parameter C<$family> should best start with the name of the extension	3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2118	using it, it should be unique.
2119		3414
2120	=over 4	3415	trace "loading facedata from $path\n";
2121		3416
2122	=item $hashref = cf::db_get $family	3417	0 < aio_load $path, my $facedata
		3418	or die "$path: $!";
2123		3419
2124	Return a hashref for use by the extension C<$family>, which can be	3420	$facedata = Coro::Storable::thaw $facedata;
2125	modified. After modifications, you have to call C<cf::db_dirty> or
2126	C<cf::db_sync>.
2127		3421
2128	=item $value = cf::db_get $family => $key	3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
2129		3424
2130	Returns a single value from the database	3425	# patch in the exptable
2131		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2132	=item cf::db_put $family => $hashref	3427	$facedata->{resource}{"res/exp_table"} = {
2133		3428	type => FT_RSRC,
2134	Stores the given family hashref into the database. Updates are delayed, if	3429	data => $exp_table,
2135	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3430	hash => (Digest::MD5::md5 $exp_table),
2136
2137	=item cf::db_put $family => $key => $value
2138
2139	Stores the given C<$value> in the family hash. Updates are delayed, if you
2140	want the data to be synced to disk immediately, use C<cf::db_sync>.
2141
2142	=item cf::db_dirty
2143
2144	Marks the database as dirty, to be updated at a later time.
2145
2146	=item cf::db_sync
2147
2148	Immediately write the database to disk I<if it is dirty>.
2149
2150	=cut
2151
2152	our $DB;
2153
2154	{
2155	my $path = cf::localdir . "/database.pst";
2156
2157	sub db_load() {
2158	$DB = stat $path ? Storable::retrieve $path : { };
2159	}
2160
2161	my $pid;
2162
2163	sub db_save() {
2164	waitpid $pid, 0 if $pid;
2165	if (0 == ($pid = fork)) {
2166	$DB->{_meta}{version} = 1;
2167	Storable::nstore $DB, "$path~";
2168	rename "$path~", $path;
2169	cf::_exit 0 if defined $pid;
2170	}
2171	}
2172
2173	my $dirty;
2174
2175	sub db_sync() {
2176	db_save if $dirty;
2177	undef $dirty;
2178	}
2179
2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2181	db_sync;
2182	});	3431	};
		3432	cf::cede_to_tick;
2183		3433
2184	sub db_dirty() {
2185	$dirty = 1;
2186	$idle->start;
2187	}	3434	{
		3435	my $faces = $facedata->{faceinfo};
2188		3436
2189	sub db_get($;$) {	3437	while (my ($face, $info) = each %$faces) {
2190	@_ >= 2	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2191	? $DB->{$_[0]}{$_[1]}
2192	: ($DB->{$_[0]} ||= { })
2193	}
2194		3439
2195	sub db_put($$;$) {	3440	cf::face::set_visibility $idx, $info->{visibility};
2196	if (@_ >= 3) {	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2197	$DB->{$_[0]}{$_[1]} = $_[2];	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2198	} else {	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2199	$DB->{$_[0]} = $_[1];
2200	}
2201	db_dirty;
2202	}
2203		3444
2204	cf::global->attach (	3445	cf::cede_to_tick;
2205	prio => 10000,
2206	on_cleanup => sub {
2207	db_sync;
2208	},	3446	}
2209	);
2210	}
2211		3447
2212	#############################################################################	3448	while (my ($face, $info) = each %$faces) {
2213	# the server's main()	3449	next unless $info->{smooth};
2214		3450
2215	sub cfg_load {	3451	my $idx = cf::face::find $face
2216	open my $fh, "<:utf8", cf::confdir . "/config"	3452	or next;
2217	or return;
2218		3453
2219	local $/;	3454	if (my $smooth = cf::face::find $info->{smooth}) {
2220	*CFG = YAML::Syck::Load <$fh>;	3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
2221		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
		3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
		3576	reload_regions;
		3577	reload_treasures;
		3578
		3579	trace "finished reloading resource files\n";
		3580	}
		3581
		3582	sub reload_config {
		3583	trace "reloading config file...\n";
		3584
		3585	0 < aio_load "$CONFDIR/config", my $config
		3586	or die "$CONFDIR/config: $!";
		3587
		3588	utf8::decode $config;
		3589	*CFG = yaml_load $config;
		3590
2222	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2223		3592
2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2226		3595
2227	if (exists $CFG{mlockall}) {	3596	if (exists $CFG{mlockall}) {
…		…
2231	};	3600	};
2232	warn $@ if $@;	3601	warn $@ if $@;
2233	}	3602	}
2234	}	3603	}
2235		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
		3631	}
		3632
2236	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2237	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2238	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2240	(async {	3646	(async {
2241	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2242	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2243	};	3650	};
2244		3651
2245	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
2246	db_load;	3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
		3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
2247	load_extensions;	3675	load_extensions;
2248		3676
2249	$TICK_WATCHER->start;	3677	utime time, time, $RUNTIMEFILE;
2250	Event::loop;	3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
2251	}	3695	}
2252		3696
2253	#############################################################################	3697	#############################################################################
2254	# initialisation and cleanup	3698	# initialisation and cleanup
2255		3699
2256	# install some emergency cleanup handlers	3700	# install some emergency cleanup handlers
2257	BEGIN {	3701	BEGIN {
		3702	our %SIGWATCHER = ();
2258	for my $signal (qw(INT HUP TERM)) {	3703	for my $signal (qw(INT HUP TERM)) {
2259	Event->signal (	3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2260	data => WF_AUTOCANCEL,
2261	signal => $signal,
2262	cb => sub {
2263	cf::cleanup "SIG$signal";	3705	cf::cleanup "SIG$signal";
2264	},
2265	);	3706	};
		3707	}
		3708	}
		3709
		3710	sub write_runtime_sync {
		3711	my $t0 = AE::time;
		3712
		3713	# first touch the runtime file to show we are still running:
		3714	# the fsync below can take a very very long time.
		3715
		3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3717
		3718	my $guard = cf::lock_acquire "write_runtime";
		3719
		3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3721	or return;
		3722
		3723	my $value = $cf::RUNTIME + 90 + 10;
		3724	# 10 is the runtime save interval, for a monotonic clock
		3725	# 60 allows for the watchdog to kill the server.
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	# touch it again to show we are up-to-date
		3735	aio_utime $fh, undef, undef;
		3736
		3737	close $fh
		3738	or return;
		3739
		3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3741	and return;
		3742
		3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3744
2266	}	3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
2267	}	3796	}
2268		3797
2269	sub emergency_save() {	3798	sub emergency_save() {
2270	my $freeze_guard = cf::freeze_mainloop;	3799	my $freeze_guard = cf::freeze_mainloop;
2271		3800
2272	warn "enter emergency perl save\n";	3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
2273		3807
2274	cf::sync_job {	3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
2275	# use a peculiar iteration method to avoid tripping on perl	3811	# use a peculiar iteration method to avoid tripping on perl
2276	# refcount bugs in for. also avoids problems with players	3812	# refcount bugs in for. also avoids problems with players
2277	# and maps saved/destroyed asynchronously.	3813	# and maps saved/destroyed asynchronously.
2278	warn "begin emergency player save\n";	3814	info "emergency_perl_save: begin player save\n";
2279	for my $login (keys %cf::PLAYER) {	3815	for my $login (keys %cf::PLAYER) {
2280	my $pl = $cf::PLAYER{$login} or next;	3816	my $pl = $cf::PLAYER{$login} or next;
2281	$pl->valid or next;	3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2282	$pl->save;	3819	$pl->save;
2283	}	3820	}
2284	warn "end emergency player save\n";	3821	info "emergency_perl_save: end player save\n";
2285		3822
2286	warn "begin emergency map save\n";	3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
2287	for my $path (keys %cf::MAP) {	3826	for my $path (keys %cf::MAP) {
2288	my $map = $cf::MAP{$path} or next;	3827	my $map = $cf::MAP{$path} or next;
2289	$map->valid or next;	3828	$map->valid or next;
2290	$map->save;	3829	$map->save;
2291	}	3830	}
2292	warn "end emergency map save\n";	3831	info "emergency_perl_save: end map save\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
2293	};	3861	};
2294		3862
2295	warn "leave emergency perl save\n";	3863	info "emergency_perl_save: leave\n";
2296	}	3864	}
2297		3865
		3866	sub post_cleanup {
		3867	my ($make_core) = @_;
		3868
		3869	IO::AIO::flush;
		3870
		3871	error Carp::longmess "post_cleanup backtrace"
		3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
		3901	}
		3902
2298	sub reload() {	3903	sub do_reload_perl() {
2299	# can/must only be called in main	3904	# can/must only be called in main
2300	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
2301	warn "can only reload from main coroutine";	3906	error "can only reload from main coroutine";
2302	return;	3907	return;
2303	}	3908	}
2304		3909
2305	warn "reloading...";	3910	return if $RELOAD++;
2306		3911
2307	warn "cancelling server ticker";	3912	my $t1 = AE::time;
2308	$TICK_WATCHER->cancel;
2309		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
		3920	cf::sync_job {
2310	cf::emergency_save;	3921	#cf::emergency_save;
2311		3922
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved
2314
2315	warn "syncing database to disk";
2316	cf::db_sync;
2317
2318	warn "cancelling all WF_AUTOCANCEL watchers";
2319	for (Event::all_watchers) {
2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2321	}
2322
2323	warn "flushing outstanding aio requests";
2324	for (;;) {
2325	IO::AIO::flush;
2326	Coro::cede;
2327	last unless IO::AIO::nreqs;
2328	warn "iterate...";
2329	}
2330
2331	warn "cancelling all extension coros";	3923	trace "perl_reload: cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3925	%EXT_CORO = ();
2334		3926
2335	warn "removing commands";	3927	trace "perl_reload: removing commands";
2336	%COMMAND = ();	3928	%COMMAND = ();
2337		3929
2338	warn "removing ext commands";	3930	trace "perl_reload: removing ext/exti commands";
2339	%EXTCMD = ();	3931	%EXTCMD = ();
		3932	%EXTICMD = ();
2340		3933
2341	warn "unloading/nuking all extensions";	3934	trace "perl_reload: unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
2344		3937
2345	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3939	eval {
2347	$cb->($pkg);	3940	$cb->($pkg);
2348	1	3941	1
2349	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
2350	}	3947	}
2351		3948
2352	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355
2356	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3952
2360	warn "... unloading $k";	3953	trace "... unloading $k";
2361	delete $INC{$k};	3954	delete $INC{$k};
2362		3955
2363	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
2365		3958
2366	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
2367	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
2368	}	3964	}
2369		3965
2370	Symbol::delete_package $k;
2371	}
2372
2373	warn "getting rid of safe::, as good as possible";	3966	trace "perl_reload: getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3969
2377	warn "unloading cf.pm \"a bit\"";	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3973
2380	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3975	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
2383		3977
2384	warn "unload completed, starting to reload now";	3978	info "perl_reload: unload completed, starting to reload now";
2385		3979
2386	warn "reloading cf.pm";	3980	trace "perl_reload: reloading cf.pm";
2387	require cf;	3981	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
2389		3983
2390	warn "loading config and database again";	3984	trace "perl_reload: loading config and database again";
2391	cf::cfg_load;	3985	cf::reload_config;
2392	cf::db_load;
2393		3986
2394	warn "loading extensions";	3987	trace "perl_reload: loading extensions";
2395	cf::load_extensions;	3988	cf::load_extensions;
2396		3989
		3990	if ($REATTACH_ON_RELOAD) {
2397	warn "reattaching attachments to objects/players";	3991	trace "perl_reload: reattaching attachments to objects/players";
2398	_global_reattach;	3992	_global_reattach; # objects, sockets
2399	warn "reattaching attachments to maps";	3993	trace "perl_reload: reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
		3995	trace "perl_reload: reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
2401		3998
2402	warn "restarting server ticker";	3999	cf::_post_init 1;
2403		4000
2404	$TICK_WATCHER->start;	4001	trace "perl_reload: leaving sync_job";
		4002
		4003	1
		4004	} or do {
		4005	error $@;
		4006	cf::cleanup "perl_reload: error, exiting.";
		4007	};
		4008
		4009	--$RELOAD;
		4010	}
		4011
		4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
		4014	};
		4015
		4016	our $RELOAD_WATCHER; # used only during reload
		4017
		4018	sub reload_perl() {
		4019	# doing reload synchronously and two reloads happen back-to-back,
		4020	# coro crashes during coro_state_free->destroy here.
		4021
		4022	$RELOAD_WATCHER ||= cf::async {
		4023	Coro::AIO::aio_wait cache_extensions;
		4024
		4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4026	do_reload_perl;
		4027	undef $RELOAD_WATCHER;
		4028	};
2405	};	4029	};
2406		4030	}
2407	if ($@) {
2408	warn $@;
2409	warn "error while reloading, exiting.";
2410	exit 1;
2411	}
2412
2413	warn "reloaded";
2414	};
2415
2416	our $RELOAD_WATCHER; # used only during reload
2417		4031
2418	register_command "reload" => sub {	4032	register_command "reload" => sub {
2419	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
2420		4034
2421	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
2422	$who->message ("reloading server.");	4036	$who->message ("reloading server.");
2423		4037	async {
2424	# doing reload synchronously and two reloads happen back-to-back,	4038	$Coro::current->{desc} = "perl_reload";
2425	# coro crashes during coro_state_free->destroy here.
2426
2427	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2428	reload;	4039	reload_perl;
2429	undef $RELOAD_WATCHER;
2430	});	4040	};
2431	}	4041	}
2432	};	4042	};
2433		4043
2434	unshift @INC, $LIBDIR;	4044	#############################################################################
2435		4045
2436	my $bug_warning = 0;	4046	my $bug_warning = 0;
2437		4047
2438	$TICK_WATCHER = Event->timer (	4048	our @WAIT_FOR_TICK;
2439	reentrant => 0,	4049	our @WAIT_FOR_TICK_BEGIN;
2440	parked => 1,	4050
2441	prio => 0,	4051	sub wait_for_tick() {
2442	at => $NEXT_TICK || $TICK,	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2443	data => WF_AUTOCANCEL,	4053
2444	cb => sub {	4054	my $signal = new Coro::Signal;
		4055	push @WAIT_FOR_TICK, $signal;
		4056	$signal->wait;
		4057	}
		4058
		4059	sub wait_for_tick_begin() {
		4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4061
		4062	my $signal = new Coro::Signal;
		4063	push @WAIT_FOR_TICK_BEGIN, $signal;
		4064	$signal->wait;
		4065	}
		4066
		4067	sub tick {
2445	if ($Coro::current != $Coro::main) {	4068	if ($Coro::current != $Coro::main) {
2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2447	unless ++$bug_warning > 10;	4070	unless ++$bug_warning > 10;
2448	return;	4071	return;
2449	}	4072	}
2450		4073
2451	$NOW = Event::time;
2452
2453	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
2454	$RUNTIME += $TICK;
2455	$NEXT_TICK += $TICK;
2456		4075
2457	$WAIT_FOR_TICK->broadcast;	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2459		4077
2460	# if we are delayed by four ticks or more, skip them all	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		4080	Coro::async_pool {
2463	$TICK_WATCHER->at ($NEXT_TICK);	4081	$Coro::current->{desc} = "runtime saver";
2464	$TICK_WATCHER->start;	4082	write_runtime_sync
		4083	or error "ERROR: unable to write runtime file: $!";
		4084	};
2465	},	4085	}
2466	);
2467		4086
		4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4088	$sig->send;
		4089	}
		4090	while (my $sig = shift @WAIT_FOR_TICK) {
		4091	$sig->send;
		4092	}
		4093
		4094	$LOAD = ($NOW - $TICK_START) / $TICK;
		4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4096
		4097	if (0) {
		4098	if ($NEXT_TICK) {
		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
		4103	}
		4104	}
		4105
		4106	{
		4107	# configure BDB
		4108
		4109	BDB::min_parallel 16;
		4110	BDB::max_poll_reqs $TICK * 0.1;
		4111	$AnyEvent::BDB::WATCHER->priority (1);
		4112
		4113	unless ($DB_ENV) {
		4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4120
		4121	cf::sync_job {
		4122	eval {
		4123	BDB::db_env_open
		4124	$DB_ENV,
		4125	$BDBDIR,
		4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4128	0666;
		4129
		4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4131	};
		4132
		4133	cf::cleanup "db_env_open(db): $@" if $@;
		4134	};
		4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
		4146	}
		4147
		4148	{
		4149	# configure IO::AIO
		4150
		4151	IO::AIO::min_parallel 8;
2468	IO::AIO::max_poll_time $TICK * 0.2;	4152	IO::AIO::max_poll_time $TICK * 0.1;
		4153	undef $AnyEvent::AIO::WATCHER;
		4154	}
2469		4155
2470	$AIO_POLL_WATCHER = Event->io (	4156	our $_log_backtrace;
2471	fd => IO::AIO::poll_fileno,	4157	our $_log_backtrace_last;
2472	poll => 'r',
2473	prio => 5,
2474	data => WF_AUTOCANCEL,
2475	cb => \&IO::AIO::poll_cb,
2476	);
2477		4158
2478	$WRITE_RUNTIME_WATCHER = Event->timer (	4159	sub _log_backtrace {
2479	data => WF_AUTOCANCEL,	4160	my ($msg, @addr) = @_;
2480	after => 1,	4161
2481	interval => 10,	4162	$msg =~ s/\n$//;
2482	cb => Coro::unblock_sub {	4163
2483	write_runtime	4164	if ($_log_backtrace_last eq $msg) {
2484	or warn "ERROR: unable to write runtime file: $!";	4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4167	# limit the # of concurrent backtraces
		4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
		4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
		4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
		4175	my @bt = fork_call {
		4176	@addr = map { sprintf "%x", $_ } @addr;
		4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4179	or die "addr2line: $!";
		4180
		4181	my @funcs;
		4182	my @res = <$fh>;
		4183	chomp for @res;
		4184	while (@res) {
		4185	my ($func, $line) = splice @res, 0, 2, ();
		4186	push @funcs, "[$func] $line";
		4187	}
		4188
		4189	@funcs
		4190	};
		4191
		4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4194	LOG llevInfo, "[ABT] $_\n" for @bt;
		4195	--$_log_backtrace;
		4196	};
		4197	} else {
		4198	LOG llevInfo, "[ABT] $msg\n";
		4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2485	},	4200	}
2486	);	4201	}
		4202
		4203	# load additional modules
		4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
2487		4206
2488	END { cf::emergency_save }	4207	END { cf::emergency_save }
2489		4208
2490	1	4209	1
2491		4210

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