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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		300
151	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
217	}	386	}
218		387
219	=item cf::lock_wait $string	388	=item cf::lock_wait $string
220		389
221	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
222		391
223	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
224		393
225	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
228	returned.	397	returned.
229		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
230	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
232		404
233	=cut	405	=item $locked = cf::lock_active $string
234		406
235	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
236		412
237	sub lock_wait($) {	413	sub lock_wait($) {
238	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	415	}
246		416
247	sub lock_acquire($) {	417	sub lock_acquire($) {
248	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
249		420
250	# wait, to be sure we are not locked	421	sub lock_active($) {
251	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	423	}
260		424
261	sub freeze_mainloop {	425	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
263		427
264	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	429	}
266	$WRITE_RUNTIME_WATCHER->start;	430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
267	};	495	}
268	$WRITE_RUNTIME_WATCHER->stop;	496	};
269	$TICK_WATCHER->stop;	497
270	$guard	498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
271	}	511	}
272		512
273	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
274		514
275	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		520
281	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
282		522
283	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
284		524
285	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
288		529
289	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
292	fast or be very important.	533	fast or be very important.
…		…
294	=cut	535	=cut
295		536
296	sub sync_job(&) {	537	sub sync_job(&) {
297	my ($job) = @_;	538	my ($job) = @_;
298		539
299	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
300	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
302		545
303	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	547
305	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
306		549
307	my $busy = 1;	550	my $busy = 1;
308	my @res;	551	my @res;
309		552
310	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	555	@res = eval { $job->() };
312	warn $@ if $@;	556	error $@ if $@;
313	undef $busy;	557	undef $busy;
314	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
315		559
316	while ($busy) {	560	while ($busy) {
317	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
318	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
319		571
320	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
321	} else {	573	} else {
322	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
323		575
…		…
343	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
344		596
345	$coro	597	$coro
346	}	598	}
347		599
348	sub write_runtime {	600	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		601
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
352	or return;	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
353		606
354	my $value = $cf::RUNTIME + 90 + 10;	607	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		608
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	sub post_fork {
359	and return;	610	reset_signals;
		611	}
360		612
361	aio_fsync $fh	613	sub fork_call(&@) {
362	and return;	614	my ($cb, @args) = @_;
363		615
364	close $fh	616	# we seemingly have to make a local copy of the whole thing,
365	or return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
366		619
367	aio_rename "$runtime~", $runtime	620	my @res = Coro::Util::fork_eval {
368	and return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
369		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
370	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	804	}
372		805
373	=back	806	=back
374		807
375	=cut	808	=cut
376		809
377	#############################################################################	810	#############################################################################
378		811
379	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
380		813
381	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
384		817
385	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	820	Deliantra).
388		821
389	=over 4	822	=over 4
390		823
391	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
392		825
…		…
436	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
437		870
438	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
440		873
441	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
443		876
444	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
445		878
446	=over 4	879	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
556		989
557	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		994
562	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	996	my $pkg = shift @arg;
564		997
565	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
570		1003
571	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1006
574	} elsif (ref $type) {	1007	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
576		1009
577	} else {	1010	} else {
578	shift @arg;	1011	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
580	}	1013	}
581	}	1014	}
582	}	1015	}
583		1016
584	sub _object_attach {	1017	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
595	}	1028	}
596		1029
597	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
598	} else {	1031	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1033	}
601		1034
602	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
603	}	1036	}
604		1037
…		…
606	if (ref $_[0]) {	1039	if (ref $_[0]) {
607	_object_attach @_;	1040	_object_attach @_;
608	} else {	1041	} else {
609	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
610	}	1043	}
		1044	_recalc_want;
611	};	1045	};
612		1046
613	# all those should be optimised	1047	# all those should be optimised
614	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1053	reattach ($obj);
620	} else {	1054	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
622	}	1056	}
		1057	_recalc_want;
623	};	1058	};
624		1059
625	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
627		1062
…		…
642	";	1077	";
643	die if $@;	1078	die if $@;
644	}	1079	}
645		1080
646	our $override;	1081	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1083
649	sub override {	1084	sub override {
650	$override = 1;	1085	$override = 1;
651	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
652	}	1087	}
653		1088
654	sub do_invoke {	1089	sub do_invoke {
655	my $event = shift;	1090	my $event = shift;
656	my $callbacks = shift;	1091	my $callbacks = shift;
657		1092
658	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
659		1094
660	local $override;	1095	local $override;
661		1096
662	for (@$callbacks) {	1097	for (@$callbacks) {
663	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
664		1099
665	if ($@) {	1100	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1102	override;
669	}	1103	}
670		1104
671	return 1 if $override;	1105	return 1 if $override;
672	}	1106	}
673		1107
674	0	1108	0
675	}	1109	}
676		1110
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1112
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1114
681	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
682		1116
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1120
687	=back	1121	=back
688		1122
689	=cut	1123	=cut
690		1124
691	#############################################################################	1125	#############################################################################
692	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
693		1169
694	sub reattach {	1170	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1172	my ($obj) = @_;
697		1173
		1174	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1176
700	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
701		1178
702	@$registry = ();	1179	@$registry = ();
703		1180
…		…
708	for (@$attach) {	1185	for (@$attach) {
709	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
711	}	1188	}
712	} else {	1189	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1191	}
715	}	1192	}
716	}	1193	}
717		1194
718	cf::attachable->attach (	1195	cf::attachable->attach (
719	prio => -1000000,	1196	prio => -1000000,
720	on_instantiate => sub {	1197	on_instantiate => sub {
721	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
722		1199
723	$data = from_json $data;	1200	$data = decode_json $data;
724		1201
725	for (@$data) {	1202	for (@$data) {
726	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
727		1204
728	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1221	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
746		1223
747	sync_job {	1224	sync_job {
748	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
751		1230
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1234	if ($cf::USE_FSYNC) {
		1235	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;
755	aio_fsync $fh;	1236	aio_fsync $fh;
		1237	}
756	close $fh;	1238	aio_close $fh;
757		1239
758	if (@$objs) {	1240	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
		1245	if ($cf::USE_FSYNC) {
		1246	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;
763	aio_fsync $fh;	1247	aio_fsync $fh;
		1248	}
764	close $fh;	1249	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
766	}	1251	}
767	} else {	1252	} else {
768	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
769	}	1254	}
770		1255
771	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1260	} else {
773	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
774	}	1262	}
775	} else {	1263	} else {
776	aio_unlink $filename;	1264	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
778	}	1266	}
779	}	1267	};
780	}	1268	}
781		1269
782	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
784		1272
…		…
796	or return;	1284	or return;
797		1285
798	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
800	or return;	1288	or return;
		1289
801	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
802	}	1292	}
803		1293
		1294	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
806	return ($data, $av);	1299	($data, $av)
807	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
808		1307
809	#############################################################################	1308	#############################################################################
810	# command handling &c	1309	# command handling &c
811		1310
812	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1325	}
827		1326
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1328
830	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
831		1334
832	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
833	called.	1336	called.
834		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
835	=cut	1349	=cut
836		1350
837	sub register_extcmd {	1351	sub register_extcmd {
838	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
839		1353
840	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
841	}	1355	}
842		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
843	cf::player->attach (	1365	cf::player->attach (
844	on_command => sub {	1366	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
846		1368
847	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
848	or return;	1370	or return;
849		1371
…		…
854	cf::override;	1376	cf::override;
855	},	1377	},
856	on_extcmd => sub {	1378	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
858		1380
859	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1382
861	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
867	} else {	1398	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1400	}
870		1401
871	cf::override;	1402	cf::override;
872	},	1403	},
873	);	1404	);
874		1405
		1406	# "readahead" all extensions
875	sub load_extension {	1407	sub cache_extensions {
876	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
877		1409
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1413	}
903	die $@;
904	}	1414	};
905		1415
906	push @EXTS, $pkg;	1416	$grp
907	}	1417	}
908		1418
909	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
910	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1426	next unless -r $path;
912	eval {	1427
913	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
914	1	1491	}
915	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
916	}	1502	};
917	}	1503	}
918		1504
919	#############################################################################	1505	#############################################################################
920		1506
		1507	=back
		1508
921	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
922		1510
923	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
924		1512
925	=cut	1513	=cut
926		1514
927	package cf::player;	1515	package cf::player;
928		1516
…		…
930		1518
931	=head3 cf::player	1519	=head3 cf::player
932		1520
933	=over 4	1521	=over 4
934		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
935	=item cf::player::find $login	1537	=item cf::player::find $login
936		1538
937	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
938		1540
939	=cut	1541	=cut
940		1542
941	sub playerdir($) {	1543	sub playerdir($) {
942	cf::localdir	1544	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1546	}
948		1547
949	sub path($) {	1548	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1550
952	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
953	}	1552	}
954		1553
955	sub find_active($) {	1554	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
960		1559
961	sub exists($) {	1560	sub exists($) {
962	my ($login) = @_;	1561	my ($login) = @_;
963		1562
964	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
966	}	1565	}
967		1566
968	sub find($) {	1567	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1569	my $login = $_[0];
971		1570
972	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
973		1572
974	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
976	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
978	}	1590	}
979	}	1591	}
980	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
981		1606
982	sub save($) {	1607	sub save($) {
983	my ($pl) = @_;	1608	my ($pl) = @_;
984		1609
985	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
991		1616
992	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
994		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
995	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
996	Coro::cede;	1626	cf::cede_to_tick;
997	}	1627	}
998		1628
999	sub new($) {	1629	sub new($) {
1000	my ($login) = @_;	1630	my ($login) = @_;
1001		1631
…		…
1007	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1008		1638
1009	$self	1639	$self
1010	}	1640	}
1011		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1012	=item $pl->quit_character	1652	=item $pl->quit_character
1013		1653
1014	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1016		1656
1017	=cut	1657	=cut
1018		1658
1019	sub quit_character {	1659	sub quit_character {
1020	my ($pl) = @_;	1660	my ($pl) = @_;
1021		1661
		1662	my $name = $pl->ob->name;
		1663
1022	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1666
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1029		1675
1030	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1680	$pl->destroy;
		1681
		1682	my $prefix = qr<^~\Q$name\E/>;
		1683
		1684	# nuke player maps
		1685	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1686
1035	IO::AIO::aio_rmtree $temp;	1687	IO::AIO::aio_rmtree $temp;
		1688	}
		1689
		1690	=item $pl->kick
		1691
		1692	Kicks a player out of the game. This destroys the connection.
		1693
		1694	=cut
		1695
		1696	sub kick {
		1697	my ($pl, $kicker) = @_;
		1698
		1699	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1700	$pl->killer ("kicked");
		1701	$pl->ns->destroy;
1036	}	1702	}
1037		1703
1038	=item cf::player::list_logins	1704	=item cf::player::list_logins
1039		1705
1040	Returns am arrayref of all valid playernames in the system, can take a	1706	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1042		1708
1043	=cut	1709	=cut
1044		1710
1045	sub list_logins {	1711	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1713	or return [];
1048		1714
1049	my @logins;	1715	my @logins;
1050		1716
1051	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1055		1727
1056	utf8::decode $login;	1728	utf8::decode $login;
1057	push @logins, $login;	1729	push @logins, $login;
1058	}	1730	}
1059		1731
1060	\@logins	1732	\@logins
1061	}	1733	}
1062		1734
1063	=item $player->maps	1735	=item $player->maps
1064		1736
		1737	=item cf::player::maps $login
		1738
1065	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1066	player. May block.	1740	player. May block.
1067		1741
1068	=cut	1742	=cut
1069		1743
1070	sub maps($) {	1744	sub maps($) {
1071	my ($pl) = @_;	1745	my ($pl) = @_;
		1746
		1747	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1748
1073	my $files = aio_readdir playerdir $pl	1749	my $files = aio_readdir playerdir $pl
1074	or return;	1750	or return;
1075		1751
1076	my @paths;	1752	my @paths;
…		…
1078	for (@$files) {	1754	for (@$files) {
1079	utf8::decode $_;	1755	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1756	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1757	next unless /^$PATH_SEP/o;
1082		1758
1083	s/\.map$//;	1759	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1760	}
1086		1761
1087	\@paths	1762	\@paths
1088	}	1763	}
1089		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1091		1770
1092	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1093		1772
1094	=cut	1773	=cut
1095		1774
1096	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1098		1777
1099	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1779	}
1103		1780
1104	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1105		1823
1106	=back	1824	=back
1107
1108		1825
1109	=head3 cf::map	1826	=head3 cf::map
1110		1827
1111	=over 4	1828	=over 4
1112		1829
…		…
1124	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1126		1843
1127	sub generate_random_map {	1844	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1129	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1850	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1860	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1861	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1862	)
1143	}	1863	}
1144		1864
		1865	=item cf::map->register ($regex, $prio)
		1866
		1867	Register a handler for the map path matching the given regex at the
		1868	givne priority (higher is better, built-in handlers have priority 0, the
		1869	default).
		1870
		1871	=cut
		1872
1145	sub register {	1873	sub register {
1146	my (undef, $regex) = @_;	1874	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1875	my $pkg = caller;
1148		1876
1149	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1878
1152	$EXT_MAP{$pkg} = qr<$regex>;	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1880	}
1154		1881
1155	# also paths starting with '/'	1882	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1157		1884
1158	sub thawer_merge {	1885	sub thawer_merge {
1159	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1160		1887
1161	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1162	local $self->{path};	1889	local $self->{path};
1163	local $self->{load_path};	1890	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1891
1167	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1168	}	1893	}
1169		1894
1170	sub normalise {	1895	sub normalise {
1171	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
		1897
		1898	$path = "$path"; # make sure it's a string
		1899
		1900	$path =~ s/\.map$//;
1172		1901
1173	# map plan:	1902	# map plan:
1174	#	1903	#
1175	# /! non-realised random map exit (special hack!)	1904	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1905	# {... are special paths that are not being touched
…		…
1204		1933
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1934	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1935
1207	$path = normalise $path, $base;	1936	$path = normalise $path, $base;
1208		1937
1209	for my $pkg (keys %EXT_MAP) {	1938	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1939	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1940	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1941	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1214	return $self;	1943	return $self;
1215	}	1944	}
1216	}	1945	}
1217		1946
1218	Carp::carp "unable to resolve path '$path'.";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1219	()	1948	()
1220	}	1949	}
1221		1950
1222	sub init {	1951	sub init {
1223	my ($self) = @_;	1952	my ($self) = @_;
…		…
1238		1967
1239	# the original (read-only) location	1968	# the original (read-only) location
1240	sub load_path {	1969	sub load_path {
1241	my ($self) = @_;	1970	my ($self) = @_;
1242		1971
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1244	}	1973	}
1245		1974
1246	# the temporary/swap location	1975	# the temporary/swap location
1247	sub save_path {	1976	sub save_path {
1248	my ($self) = @_;	1977	my ($self) = @_;
1249		1978
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1252	}	1981	}
1253		1982
1254	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1255	sub uniq_path {	1984	sub uniq_path {
1256	my ($self) = @_;	1985	my ($self) = @_;
1257		1986
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1260	}	1989	}
1261		1990
1262	# and all this just because we cannot iterate over	1991	sub decay_objects {
1263	# all maps in C++...
1264	sub change_all_map_light {
1265	my ($change) = @_;	1992	my ($self) = @_;
1266		1993
1267	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1268	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1269	}	1997	}
1270		1998
1271	sub unlink_save {	1999	sub unlink_save {
1272	my ($self) = @_;	2000	my ($self) = @_;
1273		2001
…		…
1278		2006
1279	sub load_header_from($) {	2007	sub load_header_from($) {
1280	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1281		2009
1282	utf8::encode $path;	2010	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1284	or return;	2012	or return;
1285		2013
1286	$self->_load_header ($path)	2014	$self->_load_header ($f)
1287	or return;	2015	or return;
1288		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
		2019
1289	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1290		2021
1291	1	2022	1
1292	}	2023	}
1293		2024
1294	sub load_orig {	2025	sub load_header_orig {
1295	my ($self) = @_;	2026	my ($self) = @_;
1296		2027
1297	$self->load_header_from ($self->load_path)	2028	$self->load_header_from ($self->load_path)
1298	}	2029	}
1299		2030
1300	sub load_temp {	2031	sub load_header_temp {
1301	my ($self) = @_;	2032	my ($self) = @_;
1302		2033
1303	$self->load_header_from ($self->save_path)	2034	$self->load_header_from ($self->save_path)
		2035	}
		2036
		2037	sub prepare_temp {
		2038	my ($self) = @_;
		2039
		2040	$self->last_access ((delete $self->{last_access})
		2041	|| $cf::RUNTIME); #d#
		2042	# safety
		2043	$self->{instantiate_time} = $cf::RUNTIME
		2044	if $self->{instantiate_time} > $cf::RUNTIME;
		2045	}
		2046
		2047	sub prepare_orig {
		2048	my ($self) = @_;
		2049
		2050	$self->{load_original} = 1;
		2051	$self->{instantiate_time} = $cf::RUNTIME;
		2052	$self->last_access ($cf::RUNTIME);
		2053	$self->instantiate;
1304	}	2054	}
1305		2055
1306	sub load_header {	2056	sub load_header {
1307	my ($self) = @_;	2057	my ($self) = @_;
1308		2058
1309	if ($self->load_temp) {	2059	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	2060	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	2061	} else {
1316	$self->load_orig	2062	$self->load_header_orig
1317	or return;	2063	or return;
1318		2064	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	2065	}
		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
		2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
1324		2072
1325	1	2073	1
1326	}	2074	}
1327		2075
1328	sub find;	2076	sub find;
1329	sub find {	2077	sub find {
1330	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1331		2079
		2080	cf::cede_to_tick;
		2081
1332	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1333		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1335		2086
1336	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";
1338	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1339	or return;	2089	or return;
1340		2090
1341	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1342		2092
1343	$map->load_header	2093	$map->load_header
1344	or return;	2094	or return;
1345		2095
1346	if ($map->should_reset) {	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1349	$map->reset;	2101	$map->reset;
1350	undef $guard;
1351	$map = find $path	2102	return find $path;
1352	or return;
1353	}	2103	}
1354		2104
1355	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1356	}	2106	}
1357	}	2107	}
		2108
		2109	sub pre_load { }
		2110	#sub post_load { } # XS
1358		2111
1359	sub load {	2112	sub load {
1360	my ($self) = @_;	2113	my ($self) = @_;
1361		2114
		2115	local $self->{deny_reset} = 1; # loading can take a long time
		2116
1362	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1363	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1364		2121
		2122	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		2124
1367	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1368		2126
1369	$self->alloc;	2127	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	2128
		2129	$self->pre_load;
		2130	cf::cede_to_tick;
		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1371	or return;	2135	or return;
1372		2136
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1374	if delete $self->{load_original};	2138	if delete $self->{load_original};
1375		2139
1376	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2141	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2144	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1381	}	2148	}
1382	}	2149	}
1383		2150
1384	Coro::cede;	2151	$f->resolve_delayed_derefs;
1385		2152
		2153	cf::cede_to_tick;
1386	# now do the right thing for maps	2154	# now do the right thing for maps
1387	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2157	unless $self->difficulty;
1397	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1398	$self->activate;	2165	$self->activate;
1399	}	2166	}
1400		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
1402	}	2172	}
1403		2173
		2174	$self->post_load;
		2175	}
		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1404	sub customise_for {	2180	sub customise_for {
1405	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1406		2182
1407	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2184	if $self->per_player;
1409		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1410	$self	2189	$self
1411	}	2190	}
1412		2191
1413	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	2193	sub load_neighbours {
1415	my ($map) = @_;	2194	my ($map) = @_;
1416		2195
1417	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1418		2197
1419	for (0 .. 3) {	2198	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1421	or next;	2200	or next;
1422	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1423	or next;	2202	or next;
1424	$neigh->load;	2203	$neigh->load;
1425		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2209	}
1429		2210
1430	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1432	or next;	2214	or next;
1433	$neigh->load;	2215	$neigh->load;
1434	}	2216	}
1435	}	2217	}
1436		2218
1437	sub find_sync {	2219	sub find_sync {
1438	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1439		2221
1440	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1441	}	2226	}
1442		2227
1443	sub do_load_sync {	2228	sub do_load_sync {
1444	my ($map) = @_;	2229	my ($map) = @_;
1445		2230
1446	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1447	}	2235	}
1448		2236
1449	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1451		2239
1452	sub find_async {	2240	sub find_async {
1453	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1454		2242
1455	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1456		2244
1457	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459	}	2247	}
1460		2248
1461	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1462	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1463	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2256	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2257	$map->load if $v;
		2258	}
1468		2259
1469	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1470	}	2261	}
1471	}	2262	}
1472	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1473	};	2264	};
		2265	$MAP_PREFETCHER->prio (6);
1474		2266
1475	()	2267	()
1476	}	2268	}
1477		2269
		2270	# common code, used by both ->save and ->swapout
1478	sub save {	2271	sub _save {
1479	my ($self) = @_;	2272	my ($self) = @_;
1480
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1482		2273
1483	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1484		2275
1485	return unless $self->dirty;	2276	return unless $self->dirty;
1486		2277
…		…
1492	return if $self->{deny_save};	2283	return if $self->{deny_save};
1493		2284
1494	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1495		2286
1496	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1498	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1499		2293
1500	if ($uniq) {	2294	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1503	} else {	2297	} else {
1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1505	}	2299	}
1506	}	2300	}
1507		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1508	sub swap_out {	2310	sub swap_out {
1509	my ($self) = @_;	2311	my ($self) = @_;
1510		2312
1511	# save first because save cedes
1512	$self->save;
1513
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1516	return if $self->players;	2317	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};
1519		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1520	$self->clear;	2328	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2329	}
1523		2330
1524	sub reset_at {	2331	sub reset_at {
1525	my ($self) = @_;	2332	my ($self) = @_;
1526		2333
1527	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1530		2336
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2339
…		…
1544	my ($self) = @_;	2350	my ($self) = @_;
1545		2351
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2353
1548	return if $self->players;	2354	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2355
1551	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
		2357
		2358	$self->in_memory (cf::MAP_SWAPPED);
		2359
		2360	# need to save uniques path
		2361	unless ($self->{deny_save}) {
		2362	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2363
		2364	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2365	if $uniq;
		2366	}
1552		2367
1553	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1554		2369
1555	$self->in_memory (cf::MAP_SWAPPED);	2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2372	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2373
1560	$self->unlink_save;	2374	$self->unlink_save;
1561	$self->destroy;	2375	$self->destroy;
1562	}	2376	}
1563		2377
1564	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1565		2379
1566	sub nuke {	2380	sub nuke {
1567	my ($self) = @_;	2381	my ($self) = @_;
1568		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1569	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1570		2387
1571	$self->unlink_save;	2388	$self->unlink_save;
1572		2389
1573	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1574	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2395
1579	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1580		2398
1581	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1582	}	2436	}
1583		2437
1584	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1585		2439
1586	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2441	instantiated unique items. May block.
1588		2442
1589	=cut	2443	=cut
1590		2444
1591	sub unique_maps() {	2445	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1593	or return;	2447	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2448	utf8::decode $_;
1599	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1600	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
		2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
		2454	]
		2455	}
1601		2456
		2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
1602	s/\.map$//;	2478	s/\.map$// or next;
1603	push @paths, $_;	2479	utf8::decode $_;
1604	}	2480	push @maps, "$dir/$_";
		2481	}
1605		2482
1606	\@paths	2483	push @dirs, map "$dir/$_", @$dirs;
1607	}	2484	}
1608		2485
1609	package cf;	2486	\@maps
		2487	}
1610		2488
1611	=back	2489	=back
1612		2490
1613	=head3 cf::object	2491	=head3 cf::object
1614		2492
…		…
1618		2496
1619	=over 4	2497	=over 4
1620		2498
1621	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1622		2500
1623	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1624		2503
1625	=cut	2504	=cut
1626		2505
1627	sub inv_recursive_;	2506	sub inv_recursive_;
1628	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1631		2510
1632	sub inv_recursive {	2511	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1634	}	2513	}
1635		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1636	package cf;	2543	package cf;
1637		2544
1638	=back	2545	=back
1639		2546
1640	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1646	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1647	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1648	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1649		2556
1650	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1651		2572
1652	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1653	# with dialog boxes.	2574	# with dialog boxes.
1654	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1655	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1657		2578
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2580
1660	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1662	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1665	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1666	}	2606	}
1667		2607
1668	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1669		2609
1670	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1683		2623
1684	=item $player_object->enter_link	2624	=item $player_object->enter_link
1685		2625
1686	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1687		2627
1688	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1689	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1690		2632
1691	Will never block.	2633	Will never block.
1692		2634
1693	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1694		2636
…		…
1702	=cut	2644	=cut
1703		2645
1704	sub link_map {	2646	sub link_map {
1705	unless ($LINK_MAP) {	2647	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2648	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2649	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2650	$LINK_MAP->load;
1709	}	2651	}
1710		2652
1711	$LINK_MAP	2653	$LINK_MAP
1712	}	2654	}
…		…
1714	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1715	my ($self) = @_;	2657	my ($self) = @_;
1716		2658
1717	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1718		2660
		2661	++$self->{_link_recursion};
		2662
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2664
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1723		2667
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1725	}	2669	}
1726		2670
1727	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1729		2675
1730	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1731		2677
1732	unless ($map) {	2678	unless ($map) {
1733	# restore original map position	2679	# restore original map position
…		…
1744	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1745	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1746		2692
1747	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1750		2696
1751	$map->load;	2697	$map->load;
1752	$map->load_diag;	2698	$map->load_neighbours;
1753		2699
1754	return unless $self->contr->active;	2700	return unless $self->contr->active;
		2701
		2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2703	if ($self->enter_map ($map, $x, $y)) {
		2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
1755	$self->activate_recursive;	2707	$self->activate_recursive;
1756	$self->enter_map ($map, $x, $y);
1757	}
1758
1759	cf::player->attach (
1760	on_logout => sub {
1761	my ($pl) = @_;
1762
1763	# abort map switching before logout
1764	if ($pl->ob->{_link_pos}) {
1765	cf::sync_job {
1766	$pl->ob->leave_link
1767	};
1768	}
1769	},	2708	}
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2709
1773	# try to abort aborted map switching on player login :)	2710	}
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790		2711
1791	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1792		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1793	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1794		2726
1795	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2738
1798	$self->enter_link;	2739	$self->enter_link;
1799		2740
1800	(async {	2741	(async {
1801	my $map = cf::map::find $path;	2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
		2763	my $map = eval {
		2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
1803		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2769	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
1808		2772
		2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
		2779	}
		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1810	})->prio (1);	2787	})->prio (1);
1811	}	2788	}
1812		2789
1813	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1814		2791
…		…
1834	}	2811	}
1835		2812
1836	sub prepare_random_map {	2813	sub prepare_random_map {
1837	my ($exit) = @_;	2814	my ($exit) = @_;
1838		2815
1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1842	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1843	# that depends on the exit object	2818	# that depends on the exit object
1844		2819
1845	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
1846		2821
1847	if ($exit->map) {	2822	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2823	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1852	}	2829	}
1853		2830
1854	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1855		2832
1856	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1859		2836
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2839	undef $fh;
1863	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1864		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1865	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1866	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1867	}	2848	}
1868	}	2849	}
1869		2850
1870	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
…		…
1873	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1874		2855
1875	$self->enter_link;	2856	$self->enter_link;
1876		2857
1877	(async {	2858	(async {
1878	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1879	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
1880	prepare_random_map $exit	2868	prepare_random_map $exit
1881	if $exit->slaying eq "/!";	2869	if $exit->slaying eq "/!";
		2870	}
1882		2871
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
1885		2875
		2876	$self->goto ($map, $x, $y);
		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1886	1;	2882	1
1887	}) {	2883	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1889	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2888
1893	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1894	$self->leave_link;	2890	$self->leave_link;
1895	}	2891	}
1896	})->prio (1);	2892	})->prio (1);
1897	}	2893	}
1898		2894
…		…
1909		2905
1910	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1912		2908
1913	utf8::encode $text;	2909	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2911	}
1916		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
1917		3134
1918	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1919		3136
1920	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		3140
1924	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	3142	become reliable at some point in the future.
1926		3143
1927	=cut	3144	=cut
1928		3145
1929	sub cf::client::query {	3146	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	3155	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		3157
1941	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
1943	}	3162	}
1944		3163
1945	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
1946	on_reply => sub {	3170	on_reply => sub {
1947	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
1948		3172
1949	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
1950	# get handled first	3174	# get handled first
1951	my $queue = delete $ns->{query_queue}	3175	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	3176	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		3177
1954	(shift @$queue)->[1]->($msg);	3178	(shift @$queue)->[1]->($msg);
		3179	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		3180
1956	push @{ $ns->{query_queue} }, @$queue;	3181	push @{ $ns->{query_queue} }, @$queue;
1957		3182
1958	if (@{ $ns->{query_queue} } == @$queue) {	3183	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	3184	if (@$queue) {
…		…
1961	} else {	3186	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	3188	}
1964	}	3189	}
1965	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
1966	);	3217	);
1967		3218
1968	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
1969		3220
1970	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		3237
1987	$coro	3238	$coro
1988	}	3239	}
1989		3240
1990	cf::client->attach (	3241	cf::client->attach (
1991	on_destroy => sub {	3242	on_client_destroy => sub {
1992	my ($ns) = @_;	3243	my ($ns) = @_;
1993		3244
1994	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1995	},	3246	},
1996	);	3247	);
…		…
2011	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2013		3264
2014	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2015		3266
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2017		3272
2018	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2019		3274
2020	=pod	3275	=pod
2021		3276
2022	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2023		3278
2024	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2025	cf::object::player player	3284	cf::object::player
2026	cf::player peaceful	3285	player
2027	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2028		3292
2029	=cut	3293	=cut
2030		3294
2031	for (	3295	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2033	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2035	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2036	) {	3302	) {
2037	no strict 'refs';
2038	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2039	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2040	for @funs;	3305	for @funs;
2041	}	3306	}
2042		3307
…		…
2057		3322
2058	my $qcode = $code;	3323	my $qcode = $code;
2059	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2060	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2061		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2062	local $_;	3330	local $_;
2063	local @safe::cf::_safe_eval_args = values %vars;
2064		3331
2065	my $eval =	3332	my $eval =
2066	"do {\n"	3333	"do {\n"
2067	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2068	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2069	. $code	3336	. $code
2070	. "\n}"	3337	. "\n}"
2071	;	3338	;
2072		3339
		3340	if ($CFG{safe_eval}) {
2073	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2074	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2075	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2076		3349
2077	if ($@) {	3350	if ($@) {
2078	warn "$@";	3351	warn "$@",
2079	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2080	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2081	}	3354	}
2082		3355
2083	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2084	}	3357	}
2085		3358
…		…
2099	=cut	3372	=cut
2100		3373
2101	sub register_script_function {	3374	sub register_script_function {
2102	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2103		3376
2104	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2105	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2106	}	3379	}
2107		3380
2108	=back	3381	=back
2109		3382
2110	=cut	3383	=cut
2111		3384
2112	#############################################################################	3385	#############################################################################
		3386	# the server's init and main functions
2113		3387
2114	=head2 EXTENSION DATABASE SUPPORT	3388	sub load_facedata($) {
		3389	my ($path) = @_;
2115		3390
2116	Crossfire maintains a very simple database for extension use. It can	3391	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3392	# for this (global event?)
2118	excludes objects.	3393	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3394
2120	The parameter C<$family> should best start with the name of the extension	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3396
2123	=over 4	3397	trace "loading facedata from $path\n";
2124		3398
2125	=item $hashref = cf::db_get $family	3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
2126		3401
2127	Return a hashref for use by the extension C<$family>, which can be	3402	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		3403
2131	=item $value = cf::db_get $family => $key	3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		3406
2133	Returns a single value from the database	3407	# patch in the exptable
2134		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2135	=item cf::db_put $family => $hashref	3409	$facedata->{resource}{"res/exp_table"} = {
2136		3410	type => FT_RSRC,
2137	Stores the given family hashref into the database. Updates are delayed, if	3411	data => $exp_table,
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3412	hash => (Digest::MD5::md5 $exp_table),
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3413	};
		3414	cf::cede_to_tick;
2186		3415
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3416	{
		3417	my $faces = $facedata->{faceinfo};
2191		3418
2192	sub db_get($;$) {	3419	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3421
2198	sub db_put($$;$) {	3422	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2201	} else {	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		3426
2207	cf::global->attach (	3427	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3428	}
2212	);
2213	}
2214		3429
2215	#############################################################################	3430	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3431	next unless $info->{smooth};
2217		3432
2218	sub cfg_load {	3433	my $idx = cf::face::find $face
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3434	or next;
2220	or return;
2221		3435
2222	local $/;	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2223	*CFG = YAML::Syck::Load <$fh>;	3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
2224		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
		3477	1
		3478	}
		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
		3512	sub reload_facedata {
		3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
		3550	sub reload_resources {
		3551	trace "reloading resource files...\n";
		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
		3558	reload_regions;
		3559	reload_treasures;
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub reload_config {
		3565	trace "reloading config file...\n";
		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2226		3574
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2229		3577
2230	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2234	};	3582	};
2235	warn $@ if $@;	3583	warn $@ if $@;
2236	}	3584	}
2237	}	3585	}
2238		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2239	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2240	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3628	(async {
2244	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2246	};	3632	};
2247		3633
2248	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
2249	db_load;	3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
		3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2250	load_extensions;	3657	load_extensions;
2251		3658
2252	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2253	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2254	}	3677	}
2255		3678
2256	#############################################################################	3679	#############################################################################
2257	# initialisation and cleanup	3680	# initialisation and cleanup
2258		3681
2259	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2260	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2267	},
2268	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2269	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2270	}	3778	}
2271		3779
2272	sub emergency_save() {	3780	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2274		3782
2275	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2276		3789
2277	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2278	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2279	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2280	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2282	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3801	$pl->save;
2286	}	3802	}
2287	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2288		3804
2289	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2290	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2291	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3810	$map->valid or next;
2293	$map->save;	3811	$map->save;
2294	}	3812	}
2295	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2296	};	3843	};
2297		3844
2298	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2299	}	3846	}
2300		3847
		3848	sub post_cleanup {
		3849	my ($make_core) = @_;
		3850
		3851	IO::AIO::flush;
		3852
		3853	error Carp::longmess "post_cleanup backtrace"
		3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2301	sub reload() {	3885	sub do_reload_perl() {
2302	# can/must only be called in main	3886	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2304	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2305	return;	3889	return;
2306	}	3890	}
2307		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2308	warn "reloading...";	3898	info "reloading...";
2309		3899
2310	warn "cancelling server ticker";	3900	trace "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3901
		3902	cf::sync_job {
2313	cf::emergency_save;	3903	#cf::emergency_save;
2314		3904
2315	eval {
2316	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325
2326	warn "flushing outstanding aio requests";
2327	for (;;) {
2328	IO::AIO::flush;
2329	Coro::cede;
2330	last unless IO::AIO::nreqs;
2331	warn "iterate...";
2332	}
2333
2334	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3907	%EXT_CORO = ();
2337		3908
2338	warn "removing commands";	3909	trace "removing commands";
2339	%COMMAND = ();	3910	%COMMAND = ();
2340		3911
2341	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2342	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2343		3915
2344	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2347		3919
2348	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2349	eval {	3921	eval {
2350	$cb->($pkg);	3922	$cb->($pkg);
2351	1	3923	1
2352	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2353	}	3929	}
2354		3930
2355	warn "... nuking $pkg";
2356	Symbol::delete_package $pkg;
2357	}
2358
2359	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2360	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2362		3934
2363	warn "... unloading $k";	3935	trace "... unloading $k";
2364	delete $INC{$k};	3936	delete $INC{$k};
2365		3937
2366	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2367	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2368		3940
2369	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2370	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2371	}	3946	}
2372		3947
2373	Symbol::delete_package $k;
2374	}
2375
2376	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2377	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3951
2380	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2382		3955
2383	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3957	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2386		3959
2387	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2388		3961
2389	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2390	require cf;	3963	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2392		3965
2393	warn "loading config and database again";	3966	trace "loading config and database again";
2394	cf::cfg_load;	3967	cf::reload_config;
2395	cf::db_load;
2396		3968
2397	warn "loading extensions";	3969	trace "loading extensions";
2398	cf::load_extensions;	3970	cf::load_extensions;
2399		3971
		3972	if ($REATTACH_ON_RELOAD) {
2400	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2401	_global_reattach;	3974	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
		3977	trace "reattaching attachments to players";
		3978	reattach $_ for values %PLAYER;
		3979	}
2404		3980
2405	warn "restarting server ticker";	3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
2406		3983
2407	$TICK_WATCHER->start;	3984	trace "leaving sync_job";
		3985
		3986	1
		3987	} or do {
		3988	error $@;
		3989	cf::cleanup "error while reloading, exiting.";
		3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2408	};	4013	};
2409		4014	}
2410	if ($@) {
2411	warn $@;
2412	warn "error while reloading, exiting.";
2413	exit 1;
2414	}
2415
2416	warn "reloaded";
2417	};
2418
2419	our $RELOAD_WATCHER; # used only during reload
2420		4015
2421	register_command "reload" => sub {	4016	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2423		4018
2424	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
2426		4021	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	4022	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	4023	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	4024	};
2434	}	4025	}
2435	};	4026	};
2436		4027
2437	unshift @INC, $LIBDIR;	4028	#############################################################################
2438		4029
2439	my $bug_warning = 0;	4030	my $bug_warning = 0;
2440		4031
2441	$TICK_WATCHER = Event->timer (	4032	our @WAIT_FOR_TICK;
2442	reentrant => 0,	4033	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	4034
2444	prio => 0,	4035	sub wait_for_tick() {
2445	at => $NEXT_TICK || $TICK,	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2446	data => WF_AUTOCANCEL,	4037
2447	cb => sub {	4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
2448	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2451	return;	4055	return;
2452	}	4056	}
2453		4057
2454	$NOW = Event::time;
2455
2456	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2457	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;
2459		4059
2460	$WAIT_FOR_TICK->broadcast;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2462		4061
2463	# if we are delayed by four ticks or more, skip them all	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2465		4064	Coro::async_pool {
2466	$TICK_WATCHER->at ($NEXT_TICK);	4065	$Coro::current->{desc} = "runtime saver";
2467	$TICK_WATCHER->start;	4066	write_runtime_sync
		4067	or error "ERROR: unable to write runtime file: $!";
		4068	};
2468	},	4069	}
2469	);
2470		4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
		4089
		4090	{
		4091	# configure BDB
		4092
		4093	BDB::min_parallel 16;
		4094	BDB::max_poll_reqs $TICK * 0.1;
		4095	$AnyEvent::BDB::WATCHER->priority (1);
		4096
		4097	unless ($DB_ENV) {
		4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4104
		4105	cf::sync_job {
		4106	eval {
		4107	BDB::db_env_open
		4108	$DB_ENV,
		4109	$BDBDIR,
		4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4112	0666;
		4113
		4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4115	};
		4116
		4117	cf::cleanup "db_env_open(db): $@" if $@;
		4118	};
		4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
		4130	}
		4131
		4132	{
		4133	# configure IO::AIO
		4134
		4135	IO::AIO::min_parallel 8;
2471	IO::AIO::max_poll_time $TICK * 0.2;	4136	IO::AIO::max_poll_time $TICK * 0.1;
		4137	undef $AnyEvent::AIO::WATCHER;
		4138	}
2472		4139
2473	$AIO_POLL_WATCHER = Event->io (	4140	my $_log_backtrace;
2474	fd => IO::AIO::poll_fileno,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480		4141
2481	$WRITE_RUNTIME_WATCHER = Event->timer (	4142	sub _log_backtrace {
2482	data => WF_AUTOCANCEL,	4143	my ($msg, @addr) = @_;
2483	after => 1,	4144
2484	interval => 10,	4145	$msg =~ s/\n//;
2485	prio => 6, # keep it lowest so it acts like a watchdog	4146
2486	cb => Coro::unblock_sub {	4147	# limit the # of concurrent backtraces
2487	write_runtime	4148	if ($_log_backtrace < 2) {
2488	or warn "ERROR: unable to write runtime file: $!";	4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	4179	}
2490	);	4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2491		4185
2492	END { cf::emergency_save }	4186	END { cf::emergency_save }
2493		4187
2494	1	4188	1
2495		4189

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