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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		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
49	our $NEXT_TICK;	121	our $NEXT_TICK;
50	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);
51		130
52	our %CFG;	131	our %CFG;
53		132
54	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
56		136
57	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		140
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $REALLY_UNLOOP; # never set to true, please :)
		153
68	binmode STDOUT;	154	binmode STDOUT;
69	binmode STDERR;	155	binmode STDERR;
70		156
71	# read virtual server time, if available	157	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
76	}	162	}
77		163
78	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
79	mkdir cf::localdir . "/" . cf::playerdir;	165
80	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
81	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir $RANDOM_MAPS;
83		168
84	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::"} };
85		187
86	#############################################################################	188	#############################################################################
87		189
88	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
89		191
…		…
96	=item $cf::RUNTIME	198	=item $cf::RUNTIME
97		199
98	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
99	every server tick.	201	every server tick.
100		202
101	=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
102		206
103	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		211
106	=item $cf::NOW	212	=item $cf::NOW
107		213
108	The time of the last (current) server tick.	214	The time of the last (current) server tick.
109		215
110	=item $cf::TICK	216	=item $cf::TICK
111		217
112	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	230	=item %cf::CFG
115		231
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	233	from wherever your confdir points to.
118		234
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		236
121	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
122	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
123	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.
124	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.
125		257
126	=back	258	=back
127		259
128	=cut	260	=cut
129		261
130	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
131	*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 {
132	my $msg = join "", @_;	269	my $msg = join "", @_;
133	utf8::encode $msg;
134		270
135	$msg .= "\n"	271	$msg .= "\n"
136	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
137		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
138	LOG llevError, $msg;	276	LOG llevWarn, $msg;
139	};	277	};
140	}	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	};
141		292
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		300
149	# 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
150	# within the Safe compartment.	302	# within the Safe compartment.
151	for my $pkg (qw(	303	for my $pkg (qw(
152	cf::global cf::attachable	304	cf::global cf::attachable
153	cf::object cf::object::player	305	cf::object cf::object::player
154	cf::client cf::player	306	cf::client cf::player
155	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
156	cf::map cf::party cf::region	309	cf::party cf::region
157	)) {	310	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	312	}
161		313
162	$Event::DIED = sub {	314	$EV::DIED = sub {
163	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
164	};	316	};
		317
		318	#############################################################################
165		319
166	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
167		321
168	=over 4	322	=over 4
169		323
…		…
188	$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;
189	$d	343	$d
190	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
191	}	345	}
192		346
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
196		348
197	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
198		350
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
207		352
208	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
209		354
210	=cut	355	=cut
211		356
212	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
214	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	}
215	}	403	}
216		404
217	=item cf::lock_wait $string	405	=item cf::lock_wait $string
218		406
219	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
220		408
221	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
222		410
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
226	returned.	414	returned.
227		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
228	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
229	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
230		421
231	=cut	422	=item $locked = cf::lock_active $string
232		423
233	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
234		429
235	sub lock_wait($) {	430	sub lock_wait($) {
236	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	432	}
244		433
245	sub lock_acquire($) {	434	sub lock_acquire($) {
246	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
247		437
248	# wait, to be sure we are not locked	438	sub lock_active($) {
249	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	440	}
258		441
259	sub freeze_mainloop {	442	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
261		444
262	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	446	}
264	$guard	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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
		512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
265	}	528	}
266		529
267	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
268		531
269	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		537
275	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
276		539
277	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
278		541
279	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
282		546
283	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
286	fast or be very important.	550	fast or be very important.
…		…
288	=cut	552	=cut
289		553
290	sub sync_job(&) {	554	sub sync_job(&) {
291	my ($job) = @_;	555	my ($job) = @_;
292		556
293	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
294	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
296		562
297	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	564
299	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
300		566
301	my $busy = 1;	567	my $busy = 1;
302	my @res;	568	my @res;
303		569
304	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	572	@res = eval { $job->() };
306	warn $@ if $@;	573	error $@ if $@;
307	undef $busy;	574	undef $busy;
308	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
309		576
310	while ($busy) {	577	while ($busy) {
311	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
312	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
313		588
314	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
315	} else {	590	} else {
316	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
317		592
…		…
337	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
338		613
339	$coro	614	$coro
340	}	615	}
341		616
342	sub write_runtime {	617	=item fork_call { }, @args
343	return unless $TICK_WATCHER->is_active;
344		618
345	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		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.
346		623
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
348	or return;
349		625
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	626	sub post_fork {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	reset_signals;
352	and return;	628	}
353		629
354	aio_fsync $fh	630	sub fork_call(&@) {
355	and return;	631	my ($cb, @args) = @_;
356		632
357	close $fh	633	# we seemingly have to make a local copy of the whole thing,
358	or return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
359		636
360	aio_rename "$runtime~", $runtime	637	my @res = Coro::Util::fork_eval {
361	and return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
362		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
363	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 });
364	}	821	}
365		822
366	=back	823	=back
367		824
368	=cut	825	=cut
369		826
370	#############################################################################	827	#############################################################################
371		828
372	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
373		830
374	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
375	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")
376	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
377		834
378	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>
379	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
380	crossfire+).	837	Deliantra).
381		838
382	=over 4	839	=over 4
383		840
384	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
385		842
…		…
429	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
430		887
431	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
433		890
434	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
435	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.
436		893
437	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
438		895
439	=over 4	896	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	957	our @CB_MAP = ();
501		958
502	my %attachment;	959	my %attachment;
503		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
504	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
506		969
507	use sort 'stable';	970	use sort 'stable';
508		971
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
543		1006
544	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		1011
549	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
551		1014
552	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
557		1020
558	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
559	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
560		1023
561	} elsif (ref $type) {	1024	} elsif (ref $type) {
562	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
563		1026
564	} else {	1027	} else {
565	shift @arg;	1028	shift @arg;
566	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
567	}	1030	}
568	}	1031	}
569	}	1032	}
570		1033
571	sub _object_attach {	1034	sub _object_attach {
…		…
581	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
582	}	1045	}
583		1046
584	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
585	} else {	1048	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
587	}	1050	}
588		1051
589	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
590	}	1053	}
591		1054
…		…
593	if (ref $_[0]) {	1056	if (ref $_[0]) {
594	_object_attach @_;	1057	_object_attach @_;
595	} else {	1058	} else {
596	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
597	}	1060	}
		1061	_recalc_want;
598	};	1062	};
599		1063
600	# all those should be optimised	1064	# all those should be optimised
601	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
606	reattach ($obj);	1070	reattach ($obj);
607	} else {	1071	} else {
608	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
609	}	1073	}
		1074	_recalc_want;
610	};	1075	};
611		1076
612	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
614		1079
…		…
629	";	1094	";
630	die if $@;	1095	die if $@;
631	}	1096	}
632		1097
633	our $override;	1098	our $override;
634	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?
635		1100
636	sub override {	1101	sub override {
637	$override = 1;	1102	$override = 1;
638	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
639	}	1104	}
640		1105
641	sub do_invoke {	1106	sub do_invoke {
642	my $event = shift;	1107	my $event = shift;
643	my $callbacks = shift;	1108	my $callbacks = shift;
644		1109
645	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
646		1111
647	local $override;	1112	local $override;
648		1113
649	for (@$callbacks) {	1114	for (@$callbacks) {
650	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
651		1116
652	if ($@) {	1117	if ($@) {
653	warn "$@";
654	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
655	override;	1119	override;
656	}	1120	}
657		1121
658	return 1 if $override;	1122	return 1 if $override;
659	}	1123	}
660		1124
661	0	1125	0
662	}	1126	}
663		1127
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1129
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1131
668	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
669		1133
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1137
674	=back	1138	=back
675		1139
676	=cut	1140	=cut
677		1141
678	#############################################################################	1142	#############################################################################
679	# 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	}
680		1186
681	sub reattach {	1187	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1193
685	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
686		1195
687	@$registry = ();	1196	@$registry = ();
688		1197
…		…
693	for (@$attach) {	1202	for (@$attach) {
694	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
695	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
696	}	1205	}
697	} else {	1206	} else {
698	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
699	}	1208	}
700	}	1209	}
701	}	1210	}
702		1211
703	cf::attachable->attach (	1212	cf::attachable->attach (
704	prio => -1000000,	1213	prio => -1000000,
705	on_instantiate => sub {	1214	on_instantiate => sub {
706	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
707		1216
708	$data = from_json $data;	1217	$data = decode_json $data;
709		1218
710	for (@$data) {	1219	for (@$data) {
711	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
712		1221
713	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1238	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
731		1240
732	sync_job {	1241	sync_job {
733	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
736		1247
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$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;
740	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
741	close $fh;	1255	aio_close $fh;
742		1256
743	if (@$objs) {	1257	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	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;
748	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
749	close $fh;	1266	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
751	}	1268	}
752	} else {	1269	} else {
753	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
754	}	1271	}
755		1272
756	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1277	} else {
758	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
759	}	1279	}
760	} else {	1280	} else {
761	aio_unlink $filename;	1281	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
763	}	1283	}
764	}	1284	};
765	}	1285	}
766		1286
767	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
769		1289
…		…
781	or return;	1301	or return;
782		1302
783	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
785	or return;	1305	or return;
		1306
786	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
787	}	1309	}
788		1310
		1311	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
791	return ($data, $av);	1316	($data, $av)
792	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
793		1324
794	#############################################################################	1325	#############################################################################
795	# command handling &c	1326	# command handling &c
796		1327
797	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1342	}
812		1343
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1345
815	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.
816		1351
817	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
818	called.	1353	called.
819		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
820	=cut	1366	=cut
821		1367
822	sub register_extcmd {	1368	sub register_extcmd {
823	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
824		1370
825	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
826	}	1372	}
827		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
828	cf::player->attach (	1382	cf::player->attach (
829	on_command => sub {	1383	on_unknown_command => sub {
830	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
831		1385
832	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
833	or return;	1387	or return;
834		1388
…		…
839	cf::override;	1393	cf::override;
840	},	1394	},
841	on_extcmd => sub {	1395	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
843		1397
844	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1399
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
852	} else {	1415	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1417	}
855		1418
856	cf::override;	1419	cf::override;
857	},	1420	},
858	);	1421	);
859		1422
		1423	# "readahead" all extensions
860	sub load_extension {	1424	sub cache_extensions {
861	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
862		1426
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1430	}
888	die $@;
889	}	1431	};
890		1432
891	push @EXTS, $pkg;	1433	$grp
892	}	1434	}
893		1435
894	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
895	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1443	next unless -r $path;
897	eval {	1444
898	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	}
899	1	1508	}
900	} 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	}
901	}	1519	};
902	}	1520	}
903		1521
904	#############################################################################	1522	#############################################################################
905		1523
		1524	=back
		1525
906	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
907		1527
908	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
909		1529
910	=cut	1530	=cut
911		1531
912	package cf::player;	1532	package cf::player;
913		1533
…		…
915		1535
916	=head3 cf::player	1536	=head3 cf::player
917		1537
918	=over 4	1538	=over 4
919		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
920	=item cf::player::find $login	1554	=item cf::player::find $login
921		1555
922	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
923		1557
924	=cut	1558	=cut
925		1559
926	sub playerdir($) {	1560	sub playerdir($) {
927	cf::localdir	1561	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1563	}
933		1564
934	sub path($) {	1565	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1567
937	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
938	}	1569	}
939		1570
940	sub find_active($) {	1571	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
945		1576
946	sub exists($) {	1577	sub exists($) {
947	my ($login) = @_;	1578	my ($login) = @_;
948		1579
949	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
951	}	1582	}
952		1583
953	sub find($) {	1584	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1586	my $login = $_[0];
956		1587
957	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
958		1589
959	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
960	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
961	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;
962	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
963	}	1607	}
964	}	1608	}
965	}	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	);
966		1623
967	sub save($) {	1624	sub save($) {
968	my ($pl) = @_;	1625	my ($pl) = @_;
969		1626
970	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
975	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
976		1633
977	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
979		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
980	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
981	Coro::cede;	1643	cf::cede_to_tick;
982	}	1644	}
983		1645
984	sub new($) {	1646	sub new($) {
985	my ($login) = @_;	1647	my ($login) = @_;
986		1648
…		…
992	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
993		1655
994	$self	1656	$self
995	}	1657	}
996		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
997	=item $pl->quit_character	1669	=item $pl->quit_character
998		1670
999	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
1000	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1001		1673
1002	=cut	1674	=cut
1003		1675
1004	sub quit_character {	1676	sub quit_character {
1005	my ($pl) = @_;	1677	my ($pl) = @_;
1006		1678
		1679	my $name = $pl->ob->name;
		1680
1007	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1008	$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
1009		1683
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1011	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1012	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1013	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1014		1692
1015	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1719	}
1022		1720
1023	=item cf::player::list_logins	1721	=item cf::player::list_logins
1024		1722
1025	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
1026	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1027		1725
1028	=cut	1726	=cut
1029		1727
1030	sub list_logins {	1728	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1730	or return [];
1033		1731
1034	my @logins;	1732	my @logins;
1035		1733
1036	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") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1040		1744
1041	utf8::decode $login;	1745	utf8::decode $login;
1042	push @logins, $login;	1746	push @logins, $login;
1043	}	1747	}
1044		1748
1045	\@logins	1749	\@logins
1046	}	1750	}
1047		1751
1048	=item $player->maps	1752	=item $player->maps
1049		1753
		1754	=item cf::player::maps $login
		1755
1050	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1051	player. May block.	1757	player. May block.
1052		1758
1053	=cut	1759	=cut
1054		1760
1055	sub maps($) {	1761	sub maps($) {
1056	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1765
1058	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1059	or return;	1767	or return;
1060		1768
1061	my @paths;	1769	my @paths;
…		…
1063	for (@$files) {	1771	for (@$files) {
1064	utf8::decode $_;	1772	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1067		1775
1068	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1777	}
1071		1778
1072	\@paths	1779	\@paths
1073	}	1780	}
1074		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1076		1787
1077	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1078		1789
1079	=cut	1790	=cut
1080		1791
1081	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1083		1794
1084	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1796	}
1088		1797
1089	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		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	}
1090		1840
1091	=back	1841	=back
1092
1093		1842
1094	=head3 cf::map	1843	=head3 cf::map
1095		1844
1096	=over 4	1845	=over 4
1097		1846
…		…
1101		1850
1102	use Fcntl;	1851	use Fcntl;
1103	use Coro::AIO;	1852	use Coro::AIO;
1104		1853
1105	use overload	1854	use overload
1106	'""' => \&as_string;	1855	'""' => \&as_string,
		1856	fallback => 1;
1107		1857
1108	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1110		1860
1111	sub generate_random_map {	1861	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1113		1863
1114	# mit "rum" bekleckern, nicht	1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1115	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1119	$rmp->{exit_on_final_map},
1120	$rmp->{xsize}, $rmp->{ysize},
1121	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1122	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1123	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1124	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)
1128	}	1867	}
		1868
		1869	=item cf::map->register ($regex, $prio)
		1870
		1871	Register a handler for the map path matching the given regex at the
		1872	givne priority (higher is better, built-in handlers have priority 0, the
		1873	default).
		1874
		1875	=cut
1129		1876
1130	sub register {	1877	sub register {
1131	my (undef, $regex) = @_;	1878	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1879	my $pkg = caller;
1133		1880
1134	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1882
1137	$EXT_MAP{$pkg} = qr<$regex>;	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1884	}
1139		1885
1140	# also paths starting with '/'	1886	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1888
		1889	sub thawer_merge {
		1890	my ($self, $merge) = @_;
		1891
		1892	# we have to keep some variables in memory intact
		1893	local $self->{path};
		1894	local $self->{load_path};
		1895
		1896	$self->SUPER::thawer_merge ($merge);
		1897	}
1142		1898
1143	sub normalise {	1899	sub normalise {
1144	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
		1901
		1902	$path = "$path"; # make sure it's a string
		1903
		1904	$path =~ s/\.map$//;
1145		1905
1146	# map plan:	1906	# map plan:
1147	#	1907	#
1148	# /! non-realised random map exit (special hack!)	1908	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1909	# {... are special paths that are not being touched
…		…
1162	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1163	$path = "$base/$path";	1923	$path = "$base/$path";
1164	}	1924	}
1165		1925
1166	for ($path) {	1926	for ($path) {
1167	redo if s{//}{/};
1168	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1169	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1170	}	1929	}
1171		1930
1172	$path	1931	$path
…		…
1177		1936
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1937	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1938
1180	$path = normalise $path, $base;	1939	$path = normalise $path, $base;
1181		1940
1182	for my $pkg (keys %EXT_MAP) {	1941	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1942	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1943	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1944	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1187	return $self;	1946	return $self;
1188	}	1947	}
1189	}	1948	}
1190		1949
1191	Carp::carp "unable to resolve path '$path'.";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1192	()	1951	()
1193	}	1952	}
1194		1953
1195	sub init {	1954	sub init {
1196	my ($self) = @_;	1955	my ($self) = @_;
…		…
1211		1970
1212	# the original (read-only) location	1971	# the original (read-only) location
1213	sub load_path {	1972	sub load_path {
1214	my ($self) = @_;	1973	my ($self) = @_;
1215		1974
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1217	}	1976	}
1218		1977
1219	# the temporary/swap location	1978	# the temporary/swap location
1220	sub save_path {	1979	sub save_path {
1221	my ($self) = @_;	1980	my ($self) = @_;
1222		1981
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1225	}	1984	}
1226		1985
1227	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1228	sub uniq_path {	1987	sub uniq_path {
1229	my ($self) = @_;	1988	my ($self) = @_;
1230		1989
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1233	}	1992	}
1234		1993
1235	# and all this just because we cannot iterate over	1994	sub decay_objects {
1236	# all maps in C++...
1237	sub change_all_map_light {
1238	my ($change) = @_;	1995	my ($self) = @_;
1239		1996
1240	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1241	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1242	}	2000	}
1243		2001
1244	sub unlink_save {	2002	sub unlink_save {
1245	my ($self) = @_;	2003	my ($self) = @_;
1246		2004
1247	utf8::encode (my $save = $self->save_path);	2005	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	2007	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	2008	}
1251		2009
1252	sub load_header_from($) {	2010	sub load_header_from($) {
1253	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1254		2012
1255	utf8::encode $path;	2013	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1257	or return;	2015	or return;
1258		2016
1259	$self->_load_header ($path)	2017	$self->_load_header ($f)
1260	or return;	2018	or return;
1261		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
		2022
1262	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1263		2024
1264	1	2025	1
1265	}	2026	}
1266		2027
1267	sub load_orig {	2028	sub load_header_orig {
1268	my ($self) = @_;	2029	my ($self) = @_;
1269		2030
1270	$self->load_header_from ($self->load_path)	2031	$self->load_header_from ($self->load_path)
1271	}	2032	}
1272		2033
1273	sub load_temp {	2034	sub load_header_temp {
1274	my ($self) = @_;	2035	my ($self) = @_;
1275		2036
1276	$self->load_header_from ($self->save_path)	2037	$self->load_header_from ($self->save_path)
		2038	}
		2039
		2040	sub prepare_temp {
		2041	my ($self) = @_;
		2042
		2043	$self->last_access ((delete $self->{last_access})
		2044	|| $cf::RUNTIME); #d#
		2045	# safety
		2046	$self->{instantiate_time} = $cf::RUNTIME
		2047	if $self->{instantiate_time} > $cf::RUNTIME;
		2048	}
		2049
		2050	sub prepare_orig {
		2051	my ($self) = @_;
		2052
		2053	$self->{load_original} = 1;
		2054	$self->{instantiate_time} = $cf::RUNTIME;
		2055	$self->last_access ($cf::RUNTIME);
		2056	$self->instantiate;
1277	}	2057	}
1278		2058
1279	sub load_header {	2059	sub load_header {
1280	my ($self) = @_;	2060	my ($self) = @_;
1281		2061
1282	if ($self->load_temp) {	2062	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	2063	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	2064	} else {
1289	$self->load_orig	2065	$self->load_header_orig
1290	or return;	2066	or return;
1291		2067	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	2068	}
		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
1297		2075
1298	1	2076	1
1299	}	2077	}
1300		2078
1301	sub find;	2079	sub find;
1302	sub find {	2080	sub find {
1303	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1304		2082
		2083	cf::cede_to_tick;
		2084
1305	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1306		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1308		2089
1309	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";
1311	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1312	or return;	2092	or return;
1313		2093
1314	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1315		2095
1316	$map->load_header	2096	$map->load_header
1317	or return;	2097	or return;
1318		2098
1319	if ($map->should_reset) {	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2100	# doing this can freeze the server in a sync job, obviously
		2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1320	$map->reset;	2104	$map->reset;
1321	undef $guard;
1322	$map = find $path	2105	return find $path;
1323	or return;
1324	}	2106	}
1325		2107
1326	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1327	}	2109	}
1328	}	2110	}
		2111
		2112	sub pre_load { }
		2113	#sub post_load { } # XS
1329		2114
1330	sub load {	2115	sub load {
1331	my ($self) = @_;	2116	my ($self) = @_;
1332		2117
		2118	local $self->{deny_reset} = 1; # loading can take a long time
		2119
1333	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1335		2124
		2125	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2127
1338	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1339		2129
1340	$self->alloc;	2130	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	2131
		2132	$self->pre_load;
		2133	cf::cede_to_tick;
		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1342	or return;	2138	or return;
1343		2139
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1345	if delete $self->{load_original};	2141	if delete $self->{load_original};
1346		2142
1347	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2144	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2147	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1352	}	2151	}
1353	}	2152	}
1354		2153
1355	Coro::cede;	2154	$f->resolve_delayed_derefs;
1356		2155
		2156	cf::cede_to_tick;
1357	# now do the right thing for maps	2157	# now do the right thing for maps
1358	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2160	unless $self->difficulty;
1368	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1369	$self->activate;	2168	$self->activate;
1370	}	2169	}
1371		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1373	}	2175	}
1374		2176
		2177	$self->post_load;
		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1375	sub customise_for {	2185	sub customise_for {
1376	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1377		2187
1378	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2189	if $self->per_player;
1380		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1381	$self	2194	$self
1382	}	2195	}
1383		2196
1384	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2198	sub load_neighbours {
1386	my ($map) = @_;	2199	my ($map) = @_;
1387		2200
1388	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1389		2202
1390	for (0 .. 3) {	2203	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1392	or next;	2205	or next;
1393	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1394	or next;	2207	or next;
1395	$neigh->load;	2208	$neigh->load;
1396		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2214	}
1400		2215
1401	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1403	or next;	2219	or next;
1404	$neigh->load;	2220	$neigh->load;
1405	}	2221	}
1406	}	2222	}
1407		2223
1408	sub find_sync {	2224	sub find_sync {
1409	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1410		2226
1411	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1412	}	2231	}
1413		2232
1414	sub do_load_sync {	2233	sub do_load_sync {
1415	my ($map) = @_;	2234	my ($map) = @_;
1416		2235
1417	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1418	}	2240	}
1419		2241
1420	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2243	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2244
1434	sub find_async {	2245	sub find_async {
1435	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1436		2247
1437	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1438		2249
1439	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2252	}
		2253
		2254	$MAP_PREFETCH{$path} |= $load;
		2255
		2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
		2259	while (%MAP_PREFETCH) {
		2260	while (my ($k, $v) = each %MAP_PREFETCH) {
		2261	if (my $map = find $k) {
		2262	$map->load if $v;
		2263	}
		2264
		2265	delete $MAP_PREFETCH{$k};
		2266	}
		2267	}
		2268	undef $MAP_PREFETCHER;
1441	}	2269	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2270	$MAP_PREFETCHER->prio (6);
1445		2271
1446	()	2272	()
1447	}	2273	}
1448		2274
		2275	# common code, used by both ->save and ->swapout
1449	sub save {	2276	sub _save {
1450	my ($self) = @_;	2277	my ($self) = @_;
1451
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;
1453		2278
1454	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1455		2280
1456	return unless $self->dirty;	2281	return unless $self->dirty;
1457		2282
…		…
1463	return if $self->{deny_save};	2288	return if $self->{deny_save};
1464		2289
1465	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1466		2291
1467	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1469	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1470		2298
1471	if ($uniq) {	2299	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1473	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1474	} else {	2302	} else {
1475	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1476	}	2304	}
1477	}	2305	}
1478		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1479	sub swap_out {	2315	sub swap_out {
1480	my ($self) = @_;	2316	my ($self) = @_;
1481		2317
1482	# save first because save cedes
1483	$self->save;
1484
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1487	return if $self->players;	2322	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};
1490		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1491	$self->clear;	2333	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2334	}
1494		2335
1495	sub reset_at {	2336	sub reset_at {
1496	my ($self) = @_;	2337	my ($self) = @_;
1497		2338
1498	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1501		2341
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2344
…		…
1509	my ($self) = @_;	2349	my ($self) = @_;
1510		2350
1511	$self->reset_at <= $cf::RUNTIME	2351	$self->reset_at <= $cf::RUNTIME
1512	}	2352	}
1513		2353
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2354	sub reset {
1529	my ($self) = @_;	2355	my ($self) = @_;
1530		2356
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2358
1533	return if $self->players;	2359	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2360
1536	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
		2362
		2363	$self->in_memory (cf::MAP_SWAPPED);
		2364
		2365	# need to save uniques path
		2366	unless ($self->{deny_save}) {
		2367	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2368
		2369	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2370	if $uniq;
		2371	}
1537		2372
1538	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1539		2374
1540	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2377	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2378
1545	$self->unlink_save;	2379	$self->unlink_save;
1546	$self->destroy;	2380	$self->destroy;
1547	}	2381	}
1548		2382
1549	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1550		2384
1551	sub nuke {	2385	sub nuke {
1552	my ($self) = @_;	2386	my ($self) = @_;
1553		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
		2391	delete $cf::MAP{$self->path};
		2392
		2393	$self->unlink_save;
		2394
		2395	bless $self, "cf::map::wrap";
		2396	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2400
		2401	$cf::MAP{$self->path} = $self;
		2402	}
		2403
1557	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1558	}	2441	}
1559		2442
1560	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1561		2444
1562	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2446	instantiated unique items. May block.
1564		2447
1565	=cut	2448	=cut
1566		2449
1567	sub unique_maps() {	2450	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1569	or return;	2452	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2453	utf8::decode $_;
1575	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1576	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
		2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
		2459	]
		2460	}
1577		2461
		2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
1578	s/\.map$//;	2483	s/\.map$// or next;
1579	push @paths, $_;	2484	utf8::decode $_;
1580	}	2485	push @maps, "$dir/$_";
		2486	}
1581		2487
1582	\@paths	2488	push @dirs, map "$dir/$_", @$dirs;
1583	}	2489	}
1584		2490
1585	package cf;	2491	\@maps
		2492	}
1586		2493
1587	=back	2494	=back
1588		2495
1589	=head3 cf::object	2496	=head3 cf::object
1590		2497
…		…
1594		2501
1595	=over 4	2502	=over 4
1596		2503
1597	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1598		2505
1599	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1600		2508
1601	=cut	2509	=cut
1602		2510
1603	sub inv_recursive_;	2511	sub inv_recursive_;
1604	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1607		2515
1608	sub inv_recursive {	2516	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1610	}	2518	}
1611		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1612	package cf;	2548	package cf;
1613		2549
1614	=back	2550	=back
1615		2551
1616	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1625		2561
1626	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1627		2577
1628	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2579	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1633		2583
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2585
1636	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1638	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1641	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1642	}	2611	}
1643		2612
1644	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1645		2614
1646	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1659		2628
1660	=item $player_object->enter_link	2629	=item $player_object->enter_link
1661		2630
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2632
1664	The player should be reasonably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1666		2637
1667	Will never block.	2638	Will never block.
1668		2639
1669	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1670		2641
…		…
1678	=cut	2649	=cut
1679		2650
1680	sub link_map {	2651	sub link_map {
1681	unless ($LINK_MAP) {	2652	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2653	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2654	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2655	$LINK_MAP->load;
1685	}	2656	}
1686		2657
1687	$LINK_MAP	2658	$LINK_MAP
1688	}	2659	}
…		…
1690	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1691	my ($self) = @_;	2662	my ($self) = @_;
1692		2663
1693	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1694		2665
		2666	++$self->{_link_recursion};
		2667
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2669
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1699		2672
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1701	}	2674	}
1702		2675
1703	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1705		2680
1706	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1707		2682
1708	unless ($map) {	2683	unless ($map) {
1709	# restore original map position	2684	# restore original map position
…		…
1720	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1721	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1722		2697
1723	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1726		2701
1727	$map->load;	2702	$map->load;
1728	$map->load_diag;	2703	$map->load_neighbours;
1729		2704
1730	return unless $self->contr->active;	2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1731	$self->activate_recursive;	2712	$self->activate_recursive;
1732	$self->enter_map ($map, $x, $y);
1733	}
1734
1735	cf::player->attach (
1736	on_logout => sub {
1737	my ($pl) = @_;
1738
1739	# abort map switching before logout
1740	if ($pl->ob->{_link_pos}) {
1741	cf::sync_job {
1742	$pl->ob->leave_link
1743	};
1744	}
1745	},	2713	}
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2714
1749	# try to abort aborted map switching on player login :)	2715	}
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766		2716
1767	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1768		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1769	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1770		2731
1771	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2743
1774	$self->enter_link;	2744	$self->enter_link;
1775		2745
1776	(async {	2746	(async {
1777	my $map = cf::map::find $path;	2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
		2768	my $map = eval {
		2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
1779		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2774	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
1784		2777
		2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
		2784	}
		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1786	})->prio (1);	2792	})->prio (1);
1787	}	2793	}
1788		2794
1789	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1790		2796
…		…
1792		2798
1793	sub parse_random_map_params {	2799	sub parse_random_map_params {
1794	my ($spec) = @_;	2800	my ($spec) = @_;
1795		2801
1796	my $rmp = { # defaults	2802	my $rmp = { # defaults
1797	xsize => 10,	2803	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2804	ysize => (cf::rndm 15, 40),
		2805	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2806	#layout => string,
1799	};	2807	};
1800		2808
1801	for (split /\n/, $spec) {	2809	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2810	my ($k, $v) = split /\s+/, $_, 2;
1803		2811
…		…
1815	# that depends on the exit object	2823	# that depends on the exit object
1816		2824
1817	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
1818		2826
1819	if ($exit->map) {	2827	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2828	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1824	}	2834	}
1825		2835
1826	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1827		2837
1828	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1829	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
		2840	my $meta = "$RANDOMDIR/$md5.meta";
1830		2841
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
		2844	undef $fh;
		2845	aio_rename "$meta~", $meta;
1833		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1834	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1836	}	2853	}
1837	}	2854	}
1838		2855
1839	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
…		…
1842	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1843		2860
1844	$self->enter_link;	2861	$self->enter_link;
1845		2862
1846	(async {	2863	(async {
1847	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1848	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
1849	prepare_random_map $exit	2873	prepare_random_map $exit
1850	if $exit->slaying eq "/!";	2874	if $exit->slaying eq "/!";
		2875	}
1851		2876
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
1854		2880
		2881	$self->goto ($map, $x, $y);
		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1855	1;	2887	1
1856	}) {	2888	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1858	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2893
1862	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1863	$self->leave_link;	2895	$self->leave_link;
1864	}	2896	}
1865	})->prio (1);	2897	})->prio (1);
1866	}	2898	}
1867		2899
…		…
1878		2910
1879	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1881		2913
1882	utf8::encode $text;	2914	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2916	}
1885		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1886		3139
1887	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1888		3141
1889	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		3145
1893	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	3147	become reliable at some point in the future.
1895		3148
1896	=cut	3149	=cut
1897		3150
1898	sub cf::client::query {	3151	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	3160	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		3162
1910	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
1912	}	3167	}
1913		3168
1914	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
1915	on_reply => sub {	3175	on_reply => sub {
1916	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
1917		3177
1918	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
1919	# get handled first	3179	# get handled first
1920	my $queue = delete $ns->{query_queue}	3180	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	3181	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		3182
1923	(shift @$queue)->[1]->($msg);	3183	(shift @$queue)->[1]->($msg);
		3184	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		3185
1925	push @{ $ns->{query_queue} }, @$queue;	3186	push @{ $ns->{query_queue} }, @$queue;
1926		3187
1927	if (@{ $ns->{query_queue} } == @$queue) {	3188	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	3189	if (@$queue) {
…		…
1930	} else {	3191	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	3193	}
1933	}	3194	}
1934	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
1935	);	3222	);
1936		3223
1937	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
1938		3225
1939	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
1955		3242
1956	$coro	3243	$coro
1957	}	3244	}
1958		3245
1959	cf::client->attach (	3246	cf::client->attach (
1960	on_destroy => sub {	3247	on_client_destroy => sub {
1961	my ($ns) = @_;	3248	my ($ns) = @_;
1962		3249
1963	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1964	},	3251	},
1965	);	3252	);
…		…
1980	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
1982		3269
1983	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
1984		3271
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
1986		3277
1987	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
1988		3279
1989	=pod	3280	=pod
1990		3281
1991	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
1992		3283
1993	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
1994	cf::object::player player	3289	cf::object::player
1995	cf::player peaceful	3290	player
1996	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
1997		3297
1998	=cut	3298	=cut
1999		3299
2000	for (	3300	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2002	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2004	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2005	) {	3307	) {
2006	no strict 'refs';
2007	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2008	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2009	for @funs;	3310	for @funs;
2010	}	3311	}
2011		3312
…		…
2026		3327
2027	my $qcode = $code;	3328	my $qcode = $code;
2028	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2029	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2030		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2031	local $_;	3335	local $_;
2032	local @safe::cf::_safe_eval_args = values %vars;
2033		3336
2034	my $eval =	3337	my $eval =
2035	"do {\n"	3338	"do {\n"
2036	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2037	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2038	. $code	3341	. $code
2039	. "\n}"	3342	. "\n}"
2040	;	3343	;
2041		3344
		3345	if ($CFG{safe_eval}) {
2042	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2043	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2044	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2045		3354
2046	if ($@) {	3355	if ($@) {
2047	warn "$@";	3356	warn "$@",
2048	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2049	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2050	}	3359	}
2051		3360
2052	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2053	}	3362	}
2054		3363
…		…
2068	=cut	3377	=cut
2069		3378
2070	sub register_script_function {	3379	sub register_script_function {
2071	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2072		3381
2073	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2074	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2075	}	3384	}
2076		3385
2077	=back	3386	=back
2078		3387
2079	=cut	3388	=cut
2080		3389
2081	#############################################################################	3390	#############################################################################
		3391	# the server's init and main functions
2082		3392
2083	=head2 EXTENSION DATABASE SUPPORT	3393	sub load_facedata($) {
		3394	my ($path) = @_;
2084		3395
2085	Crossfire maintains a very simple database for extension use. It can	3396	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3397	# for this (global event?)
2087	excludes objects.	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3399
2089	The parameter C<$family> should best start with the name of the extension	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3401
2092	=over 4	3402	trace "loading facedata from $path\n";
2093		3403
2094	=item $hashref = cf::db_get $family	3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
2095		3406
2096	Return a hashref for use by the extension C<$family>, which can be	3407	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3408
2100	=item $value = cf::db_get $family => $key	3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3411
2102	Returns a single value from the database	3412	# patch in the exptable
2103		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2104	=item cf::db_put $family => $hashref	3414	$facedata->{resource}{"res/exp_table"} = {
2105		3415	type => FT_RSRC,
2106	Stores the given family hashref into the database. Updates are delayed, if	3416	data => $exp_table,
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3417	hash => (Digest::MD5::md5 $exp_table),
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3418	};
		3419	cf::cede_to_tick;
2155		3420
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3421	{
		3422	my $faces = $facedata->{faceinfo};
2160		3423
2161	sub db_get($;$) {	3424	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3426
2167	sub db_put($$;$) {	3427	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3428	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2170	} else {	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3431
2176	cf::global->attach (	3432	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3433	}
2181	);
2182	}
2183		3434
2184	#############################################################################	3435	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3436	next unless $info->{smooth};
2186		3437
2187	sub cfg_load {	3438	my $idx = cf::face::find $face
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3439	or next;
2189	or return;
2190		3440
2191	local $/;	3441	if (my $smooth = cf::face::find $info->{smooth}) {
2192	*CFG = YAML::Syck::Load <$fh>;	3442	cf::face::set_smooth $idx, $smooth;
		3443	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3444	} else {
		3445	error "smooth face '$info->{smooth}' not found for face '$face'";
		3446	}
2193		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	{
		3453	my $anims = $facedata->{animinfo};
		3454
		3455	while (my ($anim, $info) = each %$anims) {
		3456	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3457	cf::cede_to_tick;
		3458	}
		3459
		3460	cf::anim::invalidate_all; # d'oh
		3461	}
		3462
		3463	{
		3464	my $res = $facedata->{resource};
		3465
		3466	while (my ($name, $info) = each %$res) {
		3467	if (defined $info->{type}) {
		3468	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3469
		3470	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3471	cf::face::set_type $idx, $info->{type};
		3472	} else {
		3473	$RESOURCE{$name} = $info; # unused
		3474	}
		3475
		3476	cf::cede_to_tick;
		3477	}
		3478	}
		3479
		3480	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3481
		3482	1
		3483	}
		3484
		3485	register_exticmd fx_want => sub {
		3486	my ($ns, $want) = @_;
		3487
		3488	while (my ($k, $v) = each %$want) {
		3489	$ns->fx_want ($k, $v);
		3490	}
		3491	};
		3492
		3493	sub load_resource_file($) {
		3494	my $guard = lock_acquire "load_resource_file";
		3495
		3496	my $status = load_resource_file_ $_[0];
		3497	get_slot 0.1, 100;
		3498	cf::arch::commit_load;
		3499
		3500	$status
		3501	}
		3502
		3503	sub reload_regions {
		3504	# HACK to clear player env face cache, we need some signal framework
		3505	# for this (global event?)
		3506	%ext::player_env::MUSIC_FACE_CACHE = ();
		3507
		3508	load_resource_file "$MAPDIR/regions"
		3509	or die "unable to load regions file\n";
		3510
		3511	for (cf::region::list) {
		3512	$_->{match} = qr/$_->{match}/
		3513	if exists $_->{match};
		3514	}
		3515	}
		3516
		3517	sub reload_facedata {
		3518	load_facedata "$DATADIR/facedata"
		3519	or die "unable to load facedata\n";
		3520	}
		3521
		3522	sub reload_archetypes {
		3523	load_resource_file "$DATADIR/archetypes"
		3524	or die "unable to load archetypes\n";
		3525	}
		3526
		3527	sub reload_treasures {
		3528	load_resource_file "$DATADIR/treasures"
		3529	or die "unable to load treasurelists\n";
		3530	}
		3531
		3532	sub reload_sound {
		3533	trace "loading sound config from $DATADIR/sound\n";
		3534
		3535	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3536	or die "$DATADIR/sound $!";
		3537
		3538	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3539
		3540	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3541	my $sound = $soundconf->{compat}[$_]
		3542	or next;
		3543
		3544	my $face = cf::face::find "sound/$sound->[1]";
		3545	cf::sound::set $sound->[0] => $face;
		3546	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3547	}
		3548
		3549	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3550	my $face = cf::face::find "sound/$v";
		3551	cf::sound::set $k => $face;
		3552	}
		3553	}
		3554
		3555	sub reload_resources {
		3556	trace "reloading resource files...\n";
		3557
		3558	reload_exp_table;
		3559	reload_materials;
		3560	reload_facedata;
		3561	reload_sound;
		3562	reload_archetypes;
		3563	reload_regions;
		3564	reload_treasures;
		3565
		3566	trace "finished reloading resource files\n";
		3567	}
		3568
		3569	sub reload_config {
		3570	trace "reloading config file...\n";
		3571
		3572	0 < aio_load "$CONFDIR/config", my $config
		3573	or die "$CONFDIR/config: $!";
		3574
		3575	utf8::decode $config;
		3576	*CFG = yaml_load $config;
		3577
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3578	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2195		3579
2196	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3580	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2197	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3581	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2198		3582
2199	if (exists $CFG{mlockall}) {	3583	if (exists $CFG{mlockall}) {
…		…
2203	};	3587	};
2204	warn $@ if $@;	3588	warn $@ if $@;
2205	}	3589	}
2206	}	3590	}
2207		3591
		3592	sub pidfile() {
		3593	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3594	or die "$PIDFILE: $!";
		3595	flock $fh, &Fcntl::LOCK_EX
		3596	or die "$PIDFILE: flock: $!";
		3597	$fh
		3598	}
		3599
		3600	# make sure only one server instance is running at any one time
		3601	sub atomic {
		3602	my $fh = pidfile;
		3603
		3604	my $pid = <$fh>;
		3605	kill 9, $pid if $pid > 0;
		3606
		3607	seek $fh, 0, 0;
		3608	print $fh $$;
		3609	}
		3610
		3611	sub main_loop {
		3612	trace "EV::loop starting\n";
		3613	if (1) {
		3614	EV::loop;
		3615	}
		3616	trace "EV::loop returned\n";
		3617	goto &main_loop unless $REALLY_UNLOOP;
		3618	}
		3619
2208	sub main {	3620	sub main {
		3621	cf::init_globals; # initialise logging
		3622
		3623	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3624	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3625	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3626	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3627
		3628	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3629
2209	# we must not ever block the main coroutine	3630	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3631	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3632	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2212	async { Event::one_event };	3633	(async {
		3634	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3635	EV::loop EV::LOOP_ONESHOT;
		3636	})->prio (Coro::PRIO_MAX);
2213	};	3637	};
2214		3638
2215	cfg_load;	3639	evthread_start IO::AIO::poll_fileno;
2216	db_load;	3640
		3641	cf::sync_job {
		3642	cf::incloader::init ();
		3643
		3644	cf::init_anim;
		3645	cf::init_attackmess;
		3646	cf::init_dynamic;
		3647
		3648	cf::load_settings;
		3649
		3650	reload_resources;
		3651	reload_config;
		3652	db_init;
		3653
		3654	cf::init_uuid;
		3655	cf::init_signals;
		3656	cf::init_skills;
		3657
		3658	cf::init_beforeplay;
		3659
		3660	atomic;
		3661
2217	load_extensions;	3662	load_extensions;
2218	Event::loop;	3663
		3664	utime time, time, $RUNTIMEFILE;
		3665
		3666	# no (long-running) fork's whatsoever before this point(!)
		3667	use POSIX ();
		3668	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3669
		3670	cf::_post_init 0;
		3671	};
		3672
		3673	cf::object::thawer::errors_are_fatal 0;
		3674	info "parse errors in files are no longer fatal from this point on.\n";
		3675
		3676	my $free_main; $free_main = EV::idle sub {
		3677	undef $free_main;
		3678	undef &main; # free gobs of memory :)
		3679	};
		3680
		3681	goto &main_loop;
2219	}	3682	}
2220		3683
2221	#############################################################################	3684	#############################################################################
2222	# initialisation and cleanup	3685	# initialisation and cleanup
2223		3686
2224	# install some emergency cleanup handlers	3687	# install some emergency cleanup handlers
2225	BEGIN {	3688	BEGIN {
		3689	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3690	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3691	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3692	cf::cleanup "SIG$signal";
2232	},
2233	);	3693	};
		3694	}
		3695	}
		3696
		3697	sub write_runtime_sync {
		3698	my $t0 = AE::time;
		3699
		3700	# first touch the runtime file to show we are still running:
		3701	# the fsync below can take a very very long time.
		3702
		3703	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3704
		3705	my $guard = cf::lock_acquire "write_runtime";
		3706
		3707	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3708	or return;
		3709
		3710	my $value = $cf::RUNTIME + 90 + 10;
		3711	# 10 is the runtime save interval, for a monotonic clock
		3712	# 60 allows for the watchdog to kill the server.
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	# touch it again to show we are up-to-date
		3722	aio_utime $fh, undef, undef;
		3723
		3724	close $fh
		3725	or return;
		3726
		3727	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3728	and return;
		3729
		3730	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3731
2234	}	3732	1
		3733	}
		3734
		3735	our $uuid_lock;
		3736	our $uuid_skip;
		3737
		3738	sub write_uuid_sync($) {
		3739	$uuid_skip ||= $_[0];
		3740
		3741	return if $uuid_lock;
		3742	local $uuid_lock = 1;
		3743
		3744	my $uuid = "$LOCALDIR/uuid";
		3745
		3746	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3747	or return;
		3748
		3749	my $value = uuid_seq uuid_cur;
		3750
		3751	unless ($value) {
		3752	info "cowardly refusing to write zero uuid value!\n";
		3753	return;
		3754	}
		3755
		3756	my $value = uuid_str $value + $uuid_skip;
		3757	$uuid_skip = 0;
		3758
		3759	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3760	and return;
		3761
		3762	# always fsync - this file is important
		3763	aio_fsync $fh
		3764	and return;
		3765
		3766	close $fh
		3767	or return;
		3768
		3769	aio_rename "$uuid~", $uuid
		3770	and return;
		3771
		3772	trace "uuid file written ($value).\n";
		3773
		3774	1
		3775
		3776	}
		3777
		3778	sub write_uuid($$) {
		3779	my ($skip, $sync) = @_;
		3780
		3781	$sync ? write_uuid_sync $skip
		3782	: async { write_uuid_sync $skip };
2235	}	3783	}
2236		3784
2237	sub emergency_save() {	3785	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3786	my $freeze_guard = cf::freeze_mainloop;
2239		3787
2240	warn "enter emergency perl save\n";	3788	info "emergency_perl_save: enter\n";
		3789
		3790	# this is a trade-off: we want to be very quick here, so
		3791	# save all maps without fsync, and later call a global sync
		3792	# (which in turn might be very very slow)
		3793	local $USE_FSYNC = 0;
2241		3794
2242	cf::sync_job {	3795	cf::sync_job {
		3796	cf::write_runtime_sync; # external watchdog should not bark
		3797
2243	# use a peculiar iteration method to avoid tripping on perl	3798	# use a peculiar iteration method to avoid tripping on perl
2244	# refcount bugs in for. also avoids problems with players	3799	# refcount bugs in for. also avoids problems with players
2245	# and maps saved/destroyed asynchronously.	3800	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3801	info "emergency_perl_save: begin player save\n";
2247	for my $login (keys %cf::PLAYER) {	3802	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3803	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3804	$pl->valid or next;
		3805	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3806	$pl->save;
2251	}	3807	}
2252	warn "end emergency player save\n";	3808	info "emergency_perl_save: end player save\n";
2253		3809
2254	warn "begin emergency map save\n";	3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	info "emergency_perl_save: begin map save\n";
2255	for my $path (keys %cf::MAP) {	3813	for my $path (keys %cf::MAP) {
2256	my $map = $cf::MAP{$path} or next;	3814	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3815	$map->valid or next;
2258	$map->save;	3816	$map->save;
2259	}	3817	}
2260	warn "end emergency map save\n";	3818	info "emergency_perl_save: end map save\n";
		3819
		3820	cf::write_runtime_sync; # external watchdog should not bark
		3821
		3822	info "emergency_perl_save: begin database checkpoint\n";
		3823	BDB::db_env_txn_checkpoint $DB_ENV;
		3824	info "emergency_perl_save: end database checkpoint\n";
		3825
		3826	info "emergency_perl_save: begin write uuid\n";
		3827	write_uuid_sync 1;
		3828	info "emergency_perl_save: end write uuid\n";
		3829
		3830	cf::write_runtime_sync; # external watchdog should not bark
		3831
		3832	trace "emergency_perl_save: syncing database to disk";
		3833	BDB::db_env_txn_checkpoint $DB_ENV;
		3834
		3835	info "emergency_perl_save: starting sync\n";
		3836	IO::AIO::aio_sync sub {
		3837	info "emergency_perl_save: finished sync\n";
		3838	};
		3839
		3840	cf::write_runtime_sync; # external watchdog should not bark
		3841
		3842	trace "emergency_perl_save: flushing outstanding aio requests";
		3843	while (IO::AIO::nreqs || BDB::nreqs) {
		3844	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3845	}
		3846
		3847	cf::write_runtime_sync; # external watchdog should not bark
2261	};	3848	};
2262		3849
2263	warn "leave emergency perl save\n";	3850	info "emergency_perl_save: leave\n";
2264	}	3851	}
2265		3852
		3853	sub post_cleanup {
		3854	my ($make_core) = @_;
		3855
		3856	IO::AIO::flush;
		3857
		3858	error Carp::longmess "post_cleanup backtrace"
		3859	if $make_core;
		3860
		3861	my $fh = pidfile;
		3862	unlink $PIDFILE if <$fh> == $$;
		3863	}
		3864
		3865	# a safer delete_package, copied from Symbol
		3866	sub clear_package($) {
		3867	my $pkg = shift;
		3868
		3869	# expand to full symbol table name if needed
		3870	unless ($pkg =~ /^main::.*::$/) {
		3871	$pkg = "main$pkg" if $pkg =~ /^::/;
		3872	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3873	$pkg .= '::' unless $pkg =~ /::$/;
		3874	}
		3875
		3876	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3877	my $stem_symtab = *{$stem}{HASH};
		3878
		3879	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3880	or return;
		3881
		3882	# clear all symbols
		3883	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3884	for my $name (keys %$leaf_symtab) {
		3885	_gv_clear *{"$pkg$name"};
		3886	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3887	}
		3888	}
		3889
2266	sub reload() {	3890	sub do_reload_perl() {
2267	# can/must only be called in main	3891	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3892	unless (in_main) {
2269	warn "can only reload from main coroutine\n";	3893	error "can only reload from main coroutine";
2270	return;	3894	return;
2271	}	3895	}
2272		3896
2273	warn "reloading...";	3897	return if $RELOAD++;
2274		3898
2275	warn "freezing server";	3899	my $t1 = AE::time;
2276	my $guard = freeze_mainloop;	3900
		3901	while ($RELOAD) {
		3902	cf::get_slot 0.1, -1, "reload_perl";
		3903	info "perl_reload: reloading...";
		3904
		3905	trace "perl_reload: entering sync_job";
		3906
		3907	cf::sync_job {
2277	cf::emergency_save;	3908	#cf::emergency_save;
2278		3909
2279	warn "sync database to disk";	3910	trace "perl_reload: cancelling all extension coros";
2280	cf::db_sync;
2281	IO::AIO::flush;
2282
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved
2285
2286	warn "cancel all watchers";
2287	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}
2290
2291	warn "cancel all extension coros";
2292	$_->cancel for values %EXT_CORO;	3911	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3912	%EXT_CORO = ();
2294		3913
2295	warn "remove commands";	3914	trace "perl_reload: removing commands";
2296	%COMMAND = ();	3915	%COMMAND = ();
2297		3916
2298	warn "remove ext commands";	3917	trace "perl_reload: removing ext/exti commands";
2299	%EXTCMD = ();	3918	%EXTCMD = ();
		3919	%EXTICMD = ();
2300		3920
2301	warn "unload/nuke all extensions";	3921	trace "perl_reload: unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3922	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3923	trace "... unloading $pkg";
2304		3924
2305	if (my $cb = $pkg->can ("unload")) {	3925	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3926	eval {
2307	$cb->($pkg);	3927	$cb->($pkg);
2308	1	3928	1
2309	} or warn "$pkg unloaded, but with errors: $@";	3929	} or error "$pkg unloaded, but with errors: $@";
		3930	}
		3931
		3932	trace "... clearing $pkg";
		3933	clear_package $pkg;
2310	}	3934	}
2311		3935
2312	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;
2314	}
2315
2316	warn "unload all perl modules loaded from $LIBDIR";	3936	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3937	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3939
2320	warn "removing <$k>";	3940	trace "... unloading $k";
2321	delete $INC{$k};	3941	delete $INC{$k};
2322		3942
2323	$k =~ s/\.pm$//;	3943	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3944	$k =~ s/\//::/g;
2325		3945
2326	if (my $cb = $k->can ("unload_module")) {	3946	if (my $cb = $k->can ("unload_module")) {
2327	$cb->();	3947	$cb->();
		3948	}
		3949
		3950	clear_package $k;
2328	}	3951	}
2329		3952
2330	Symbol::delete_package $k;
2331	}
2332
2333	warn "get rid of safe::, as good as possible";	3953	trace "perl_reload: getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3954	clear_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3956
2337	warn "unload cf.pm \"a bit\"";	3957	trace "perl_reload: unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3958	delete $INC{"cf.pm"};
		3959	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2339		3960
2340	# don't, removes xs symbols, too,	3961	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3962	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3963	#clear_package __PACKAGE__;
2343		3964
2344	warn "reloading cf.pm";	3965	info "perl_reload: unload completed, starting to reload now";
		3966
		3967	trace "perl_reload: reloading cf.pm";
2345	require cf;	3968	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3969	cf::_connect_to_perl_1;
2347		3970
2348	warn "load config and database again";	3971	trace "perl_reload: loading config and database again";
2349	cf::cfg_load;	3972	cf::reload_config;
2350	cf::db_load;
2351		3973
2352	warn "load extensions";	3974	trace "perl_reload: loading extensions";
2353	cf::load_extensions;	3975	cf::load_extensions;
2354		3976
		3977	if ($REATTACH_ON_RELOAD) {
2355	warn "reattach attachments to objects/players";	3978	trace "perl_reload: reattaching attachments to objects/players";
2356	_global_reattach;	3979	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3980	trace "perl_reload: reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3981	reattach $_ for values %MAP;
		3982	trace "perl_reload: reattaching attachments to players";
		3983	reattach $_ for values %PLAYER;
		3984	}
		3985
		3986	cf::_post_init 1;
		3987
		3988	trace "perl_reload: leaving sync_job";
		3989
		3990	1
		3991	} or do {
		3992	error $@;
		3993	cf::cleanup "perl_reload: error, exiting.";
		3994	};
		3995
		3996	--$RELOAD;
		3997	}
		3998
		3999	$t1 = AE::time - $t1;
		4000	info "perl_reload: completed in ${t1}s\n";
		4001	};
		4002
		4003	our $RELOAD_WATCHER; # used only during reload
		4004
		4005	sub reload_perl() {
		4006	# doing reload synchronously and two reloads happen back-to-back,
		4007	# coro crashes during coro_state_free->destroy here.
		4008
		4009	$RELOAD_WATCHER ||= cf::async {
		4010	Coro::AIO::aio_wait cache_extensions;
		4011
		4012	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4013	do_reload_perl;
		4014	undef $RELOAD_WATCHER;
		4015	};
2359	};	4016	};
2360		4017	}
2361	if ($@) {
2362	warn $@;
2363	warn "error while reloading, exiting.";
2364	exit 1;
2365	}
2366
2367	warn "reloaded";
2368	};
2369		4018
2370	register_command "reload" => sub {	4019	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	4020	my ($who, $arg) = @_;
2372		4021
2373	if ($who->flag (FLAG_WIZ)) {	4022	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	4023	$who->message ("reloading server.");
		4024	async {
		4025	$Coro::current->{desc} = "perl_reload";
		4026	reload_perl;
		4027	};
2377	}	4028	}
2378	};	4029	};
2379		4030
2380	unshift @INC, $LIBDIR;	4031	#############################################################################
2381		4032
2382	$TICK_WATCHER = Event->timer (	4033	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		4034
		4035	our @WAIT_FOR_TICK;
		4036	our @WAIT_FOR_TICK_BEGIN;
		4037
		4038	sub wait_for_tick() {
		4039	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4040
		4041	my $signal = new Coro::Signal;
		4042	push @WAIT_FOR_TICK, $signal;
		4043	$signal->wait;
		4044	}
		4045
		4046	sub wait_for_tick_begin() {
		4047	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4048
		4049	my $signal = new Coro::Signal;
		4050	push @WAIT_FOR_TICK_BEGIN, $signal;
		4051	$signal->wait;
		4052	}
		4053
		4054	sub tick {
		4055	if ($Coro::current != $Coro::main) {
		4056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4057	unless ++$bug_warning > 10;
		4058	return;
		4059	}
		4060
2390	cf::server_tick; # one server iteration	4061	cf::server_tick; # one server iteration
2391	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;
2393		4062
2394	$WAIT_FOR_TICK->broadcast;	4063	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2396		4064
2397	# if we are delayed by four ticks or more, skip them all	4065	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4066	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2399		4067	Coro::async_pool {
2400	$TICK_WATCHER->at ($NEXT_TICK);	4068	$Coro::current->{desc} = "runtime saver";
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	4069	write_runtime_sync
2422	or warn "ERROR: unable to write runtime file: $!";	4070	or error "ERROR: unable to write runtime file: $!";
2423	})->();	4071	};
2424	},	4072	}
2425	);	4073
		4074	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4075	$sig->send;
		4076	}
		4077	while (my $sig = shift @WAIT_FOR_TICK) {
		4078	$sig->send;
		4079	}
		4080
		4081	$LOAD = ($NOW - $TICK_START) / $TICK;
		4082	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4083
		4084	if (0) {
		4085	if ($NEXT_TICK) {
		4086	my $jitter = $TICK_START - $NEXT_TICK;
		4087	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4088	debug "jitter $JITTER\n";#d#
		4089	}
		4090	}
		4091	}
		4092
		4093	{
		4094	# configure BDB
		4095
		4096	BDB::min_parallel 16;
		4097	BDB::max_poll_reqs $TICK * 0.1;
		4098	$AnyEvent::BDB::WATCHER->priority (1);
		4099
		4100	unless ($DB_ENV) {
		4101	$DB_ENV = BDB::db_env_create;
		4102	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4103	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4104	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4105	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4106	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4107
		4108	cf::sync_job {
		4109	eval {
		4110	BDB::db_env_open
		4111	$DB_ENV,
		4112	$BDBDIR,
		4113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4115	0666;
		4116
		4117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4118	};
		4119
		4120	cf::cleanup "db_env_open(db): $@" if $@;
		4121	};
		4122	}
		4123
		4124	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4125	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4126	};
		4127	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4128	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4129	};
		4130	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4131	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4132	};
		4133	}
		4134
		4135	{
		4136	# configure IO::AIO
		4137
		4138	IO::AIO::min_parallel 8;
		4139	IO::AIO::max_poll_time $TICK * 0.1;
		4140	undef $AnyEvent::AIO::WATCHER;
		4141	}
		4142
		4143	our $_log_backtrace;
		4144	our $_log_backtrace_last;
		4145
		4146	sub _log_backtrace {
		4147	my ($msg, @addr) = @_;
		4148
		4149	$msg =~ s/\n$//;
		4150
		4151	if ($_log_backtrace_last eq $msg) {
		4152	LOG llevInfo, "[ABT] $msg\n";
		4153	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4154	# limit the # of concurrent backtraces
		4155	} elsif ($_log_backtrace < 2) {
		4156	$_log_backtrace_last = $msg;
		4157	++$_log_backtrace;
		4158	my $perl_bt = Carp::longmess $msg;
		4159	async {
		4160	$Coro::current->{desc} = "abt $msg";
		4161
		4162	my @bt = fork_call {
		4163	@addr = map { sprintf "%x", $_ } @addr;
		4164	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4165	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4166	or die "addr2line: $!";
		4167
		4168	my @funcs;
		4169	my @res = <$fh>;
		4170	chomp for @res;
		4171	while (@res) {
		4172	my ($func, $line) = splice @res, 0, 2, ();
		4173	push @funcs, "[$func] $line";
		4174	}
		4175
		4176	@funcs
		4177	};
		4178
		4179	LOG llevInfo, "[ABT] $perl_bt\n";
		4180	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4181	LOG llevInfo, "[ABT] $_\n" for @bt;
		4182	--$_log_backtrace;
		4183	};
		4184	} else {
		4185	LOG llevInfo, "[ABT] $msg\n";
		4186	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4187	}
		4188	}
		4189
		4190	# load additional modules
		4191	require "cf/$_.pm" for @EXTRA_MODULES;
		4192	cf::_connect_to_perl_2;
2426		4193
2427	END { cf::emergency_save }	4194	END { cf::emergency_save }
2428		4195
2429	1	4196	1
2430		4197

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