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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	121	our $NEXT_TICK;
50	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
51		130
52	our %CFG;	131	our %CFG;
53		132
54	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
56		136
57	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		140
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $REALLY_UNLOOP; # never set to true, please :)
64		153
65	binmode STDOUT;	154	binmode STDOUT;
66	binmode STDERR;	155	binmode STDERR;
67		156
68	# read virtual server time, if available	157	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
73	}	162	}
74		163
75	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		165
81	# a special map that is always available	166	mkdir $_
82	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
83	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::"} };
84		187
85	#############################################################################	188	#############################################################################
86		189
87	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
88		191
…		…
95	=item $cf::RUNTIME	198	=item $cf::RUNTIME
96		199
97	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
98	every server tick.	201	every server tick.
99		202
100	=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
101		206
102	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		211
105	=item $cf::NOW	212	=item $cf::NOW
106		213
107	The time of the last (current) server tick.	214	The time of the last (current) server tick.
108		215
109	=item $cf::TICK	216	=item $cf::TICK
110		217
111	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	230	=item %cf::CFG
114		231
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	233	from wherever your confdir points to.
117		234
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		236
120	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
121	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
122	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.
123	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.
124		257
125	=back	258	=back
126		259
127	=cut	260	=cut
128		261
129	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
130	*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 {
131	my $msg = join "", @_;	269	my $msg = join "", @_;
132	utf8::encode $msg;
133		270
134	$msg .= "\n"	271	$msg .= "\n"
135	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
136		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
137	LOG llevError, $msg;	276	LOG llevWarn, $msg;
138	};	277	};
139	}	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	};
140		292
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		300
148	# 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
149	# within the Safe compartment.	302	# within the Safe compartment.
150	for my $pkg (qw(	303	for my $pkg (qw(
151	cf::global cf::attachable	304	cf::global cf::attachable
152	cf::object cf::object::player	305	cf::object cf::object::player
153	cf::client cf::player	306	cf::client cf::player
154	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
155	cf::map cf::party cf::region	309	cf::party cf::region
156	)) {	310	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	312	}
160		313
161	$Event::DIED = sub {	314	$EV::DIED = sub {
162	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
163	};	316	};
		317
		318	#############################################################################
164		319
165	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
166		321
167	=over 4	322	=over 4
168		323
…		…
187	$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;
188	$d	343	$d
189	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
190	}	345	}
191		346
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
195		348
196	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
197		350
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
206		352
207	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
208		354
209	=cut	355	=cut
210		356
211	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
213	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
214	}	403	}
215		404
216	=item cf::lock_wait $string	405	=item cf::lock_wait $string
217		406
218	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
219		408
220	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
221		410
222	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
225	returned.	414	returned.
226		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
227	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
229		421
230	=cut	422	=item $locked = cf::lock_active $string
231		423
232	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
233		429
234	sub lock_wait($) {	430	sub lock_wait($) {
235	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	432	}
243		433
244	sub lock_acquire($) {	434	sub lock_acquire($) {
245	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
246		437
247	# wait, to be sure we are not locked	438	sub lock_active($) {
248	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	440	}
257		441
258	sub freeze_mainloop {	442	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
260		444
261	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	446	}
263	$guard	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
		512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
264	}	528	}
265		529
266	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
267		531
268	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		537
274	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
275		539
276	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
277		541
278	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
281		546
282	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
285	fast or be very important.	550	fast or be very important.
…		…
287	=cut	552	=cut
288		553
289	sub sync_job(&) {	554	sub sync_job(&) {
290	my ($job) = @_;	555	my ($job) = @_;
291		556
292	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
293	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
295		562
296	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	564
298	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
299		566
300	my $busy = 1;	567	my $busy = 1;
301	my @res;	568	my @res;
302		569
303	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	572	@res = eval { $job->() };
305	warn $@ if $@;	573	error $@ if $@;
306	undef $busy;	574	undef $busy;
307	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
308		576
309	while ($busy) {	577	while ($busy) {
310	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
311	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
312		588
313	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
314	} else {	590	} else {
315	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
316		592
…		…
336	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
337		613
338	$coro	614	$coro
339	}	615	}
340		616
341	sub write_runtime {	617	=item fork_call { }, @args
342	my $runtime = cf::localdir . "/runtime";
343		618
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
345	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
346		623
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		625
351	aio_fsync $fh	626	sub post_fork {
352	and return;	627	reset_signals;
		628	}
353		629
354	close $fh	630	sub fork_call(&@) {
355	or return;	631	my ($cb, @args) = @_;
356		632
357	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
358	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
359		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
360	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	821	}
362		822
363	=back	823	=back
364		824
365	=cut	825	=cut
366		826
367	#############################################################################	827	#############################################################################
368		828
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
526		830
527	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
528	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
530		834
531	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	837	Deliantra).
534		838
535	=over 4	839	=over 4
536		840
537	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
538		842
…		…
582	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
583		887
584	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
585	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
586		890
587	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
588	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
589		893
590	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
591		895
592	=over 4	896	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	957	our @CB_MAP = ();
654		958
655	my %attachment;	959	my %attachment;
656		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
657	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
659		969
660	use sort 'stable';	970	use sort 'stable';
661		971
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
696		1006
697	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		1011
702	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
704		1014
705	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
710		1020
711	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
712	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
713		1023
714	} elsif (ref $type) {	1024	} elsif (ref $type) {
715	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
716		1026
717	} else {	1027	} else {
718	shift @arg;	1028	shift @arg;
719	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
720	}	1030	}
721	}	1031	}
722	}	1032	}
723		1033
724	sub _object_attach {	1034	sub _object_attach {
…		…
734	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
735	}	1045	}
736		1046
737	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
738	} else {	1048	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
740	}	1050	}
741		1051
742	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
743	}	1053	}
744		1054
…		…
746	if (ref $_[0]) {	1056	if (ref $_[0]) {
747	_object_attach @_;	1057	_object_attach @_;
748	} else {	1058	} else {
749	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
750	}	1060	}
		1061	_recalc_want;
751	};	1062	};
752		1063
753	# all those should be optimised	1064	# all those should be optimised
754	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
759	reattach ($obj);	1070	reattach ($obj);
760	} else {	1071	} else {
761	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
762	}	1073	}
		1074	_recalc_want;
763	};	1075	};
764		1076
765	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
767		1079
…		…
782	";	1094	";
783	die if $@;	1095	die if $@;
784	}	1096	}
785		1097
786	our $override;	1098	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		1100
789	sub override {	1101	sub override {
790	$override = 1;	1102	$override = 1;
791	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
792	}	1104	}
793		1105
794	sub do_invoke {	1106	sub do_invoke {
795	my $event = shift;	1107	my $event = shift;
796	my $callbacks = shift;	1108	my $callbacks = shift;
797		1109
798	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
799		1111
800	local $override;	1112	local $override;
801		1113
802	for (@$callbacks) {	1114	for (@$callbacks) {
803	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
804		1116
805	if ($@) {	1117	if ($@) {
806	warn "$@";
807	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
808	override;	1119	override;
809	}	1120	}
810		1121
811	return 1 if $override;	1122	return 1 if $override;
812	}	1123	}
813		1124
814	0	1125	0
815	}	1126	}
816		1127
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1129
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1131
821	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
822		1133
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1137
827	=back	1138	=back
828		1139
829	=cut	1140	=cut
830		1141
831	#############################################################################	1142	#############################################################################
832	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
833		1186
834	sub reattach {	1187	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1193
838	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
839		1195
840	@$registry = ();	1196	@$registry = ();
841		1197
…		…
846	for (@$attach) {	1202	for (@$attach) {
847	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
848	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
849	}	1205	}
850	} else {	1206	} else {
851	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
852	}	1208	}
853	}	1209	}
854	}	1210	}
855		1211
856	cf::attachable->attach (	1212	cf::attachable->attach (
857	prio => -1000000,	1213	prio => -1000000,
858	on_instantiate => sub {	1214	on_instantiate => sub {
859	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
860		1216
861	$data = from_json $data;	1217	$data = decode_json $data;
862		1218
863	for (@$data) {	1219	for (@$data) {
864	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
865		1221
866	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1238	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
884		1240
885	sync_job {	1241	sync_job {
886	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
889		1247
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
893	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
894	close $fh;	1255	aio_close $fh;
895		1256
896	if (@$objs) {	1257	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
901	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
902	close $fh;	1266	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
904	}	1268	}
905	} else {	1269	} else {
906	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
907	}	1271	}
908		1272
909	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1277	} else {
911	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
912	}	1279	}
913	} else {	1280	} else {
914	aio_unlink $filename;	1281	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
916	}	1283	}
917	}	1284	};
918	}	1285	}
919		1286
920	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
922		1289
…		…
934	or return;	1301	or return;
935		1302
936	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
938	or return;	1305	or return;
		1306
939	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
940	}	1309	}
941		1310
		1311	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
944	return ($data, $av);	1316	($data, $av)
945	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
946		1324
947	#############################################################################	1325	#############################################################################
948	# command handling &c	1326	# command handling &c
949		1327
950	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1342	}
965		1343
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1345
968	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
969		1351
970	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
971	called.	1353	called.
972		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
973	=cut	1366	=cut
974		1367
975	sub register_extcmd {	1368	sub register_extcmd {
976	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
977		1370
978	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
979	}	1372	}
980		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
981	cf::player->attach (	1382	cf::player->attach (
982	on_command => sub {	1383	on_unknown_command => sub {
983	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
984		1385
985	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
986	or return;	1387	or return;
987		1388
…		…
992	cf::override;	1393	cf::override;
993	},	1394	},
994	on_extcmd => sub {	1395	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
996		1397
997	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1399
999	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1005	} else {	1415	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1417	}
1008		1418
1009	cf::override;	1419	cf::override;
1010	},	1420	},
1011	);	1421	);
1012		1422
		1423	# "readahead" all extensions
1013	sub load_extension {	1424	sub cache_extensions {
1014	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
1015		1426
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1430	}
1020	$pkg = "ext::$pkg";	1431	};
1021		1432
1022	warn "... loading '$path' into '$pkg'\n";	1433	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1434	}
1039		1435
1040	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1041	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1443	next unless -r $path;
1043	eval {	1444
1044	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1045	1	1508	}
1046	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1047	}	1519	};
1048	}	1520	}
1049		1521
1050	#############################################################################	1522	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1523
1053	*cf::mapsupport::on_clean = sub {	1524	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1525
1066	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1067		1527
1068	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1069		1529
1070	=cut	1530	=cut
1071		1531
1072	package cf::player;	1532	package cf::player;
1073		1533
…		…
1075		1535
1076	=head3 cf::player	1536	=head3 cf::player
1077		1537
1078	=over 4	1538	=over 4
1079		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
1080	=item cf::player::find $login	1554	=item cf::player::find $login
1081		1555
1082	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1083		1557
1084	=cut	1558	=cut
1085		1559
1086	sub playerdir($) {	1560	sub playerdir($) {
1087	cf::localdir	1561	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1563	}
1093		1564
1094	sub path($) {	1565	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1567
1097	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1098	}	1569	}
1099		1570
1100	sub find_active($) {	1571	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1105		1576
1106	sub exists($) {	1577	sub exists($) {
1107	my ($login) = @_;	1578	my ($login) = @_;
1108		1579
1109	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1111	}	1582	}
1112		1583
1113	sub find($) {	1584	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1586	my $login = $_[0];
1116		1587
1117	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1118		1589
1119	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
1121	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1122	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1123	}	1607	}
1124	}	1608	}
1125	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1126		1623
1127	sub save($) {	1624	sub save($) {
1128	my ($pl) = @_;	1625	my ($pl) = @_;
1129		1626
1130	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1135	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1136		1633
1137	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1139		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1140	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1141	Coro::cede;	1643	cf::cede_to_tick;
1142	}	1644	}
1143		1645
1144	sub new($) {	1646	sub new($) {
1145	my ($login) = @_;	1647	my ($login) = @_;
1146		1648
…		…
1152	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1153		1655
1154	$self	1656	$self
1155	}	1657	}
1156		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1157	=item $pl->quit_character	1669	=item $pl->quit_character
1158		1670
1159	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1161		1673
1162	=cut	1674	=cut
1163		1675
1164	sub quit_character {	1676	sub quit_character {
1165	my ($pl) = @_;	1677	my ($pl) = @_;
1166		1678
		1679	my $name = $pl->ob->name;
		1680
1167	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1169		1683
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1171	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1173	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1174		1692
1175	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1180	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1181	}	1719	}
1182		1720
1183	=item cf::player::list_logins	1721	=item cf::player::list_logins
1184		1722
1185	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1187		1725
1188	=cut	1726	=cut
1189		1727
1190	sub list_logins {	1728	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1730	or return [];
1193		1731
1194	my @logins;	1732	my @logins;
1195		1733
1196	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1200		1744
1201	utf8::decode $login;	1745	utf8::decode $login;
1202	push @logins, $login;	1746	push @logins, $login;
1203	}	1747	}
1204		1748
1205	\@logins	1749	\@logins
1206	}	1750	}
1207		1751
1208	=item $player->maps	1752	=item $player->maps
1209		1753
		1754	=item cf::player::maps $login
		1755
1210	Returns an arrayref of cf::path's of all maps that are private for this	1756	Returns an arrayref of map paths that are private for this
1211	player. May block.	1757	player. May block.
1212		1758
1213	=cut	1759	=cut
1214		1760
1215	sub maps($) {	1761	sub maps($) {
1216	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1765
1218	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1219	or return;	1767	or return;
1220		1768
1221	my @paths;	1769	my @paths;
…		…
1223	for (@$files) {	1771	for (@$files) {
1224	utf8::decode $_;	1772	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1227		1775
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1776	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1777	}
1230		1778
1231	\@paths	1779	\@paths
1232	}	1780	}
1233		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1235		1787
1236	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1237		1789
1238	=cut	1790	=cut
1239		1791
1240	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1242		1794
1243	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1796	}
1247		1797
1248	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1249		1840
1250	=back	1841	=back
1251
1252		1842
1253	=head3 cf::map	1843	=head3 cf::map
1254		1844
1255	=over 4	1845	=over 4
1256		1846
…		…
1259	package cf::map;	1849	package cf::map;
1260		1850
1261	use Fcntl;	1851	use Fcntl;
1262	use Coro::AIO;	1852	use Coro::AIO;
1263		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1264	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1266		1860
1267	sub generate_random_map {	1861	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269		1865
1270	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1867	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1278	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1279	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1877	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1878	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1879	)
1285	}	1880	}
1286		1881
1287	# and all this just because we cannot iterate over	1882	=item cf::map->register ($regex, $prio)
1288	# all maps in C++...
1289	sub change_all_map_light {
1290	my ($change) = @_;
1291		1883
1292	$_->change_map_light ($change)	1884	Register a handler for the map path matching the given regex at the
1293	for grep $_->outdoor, values %cf::MAP;	1885	givne priority (higher is better, built-in handlers have priority 0, the
1294	}	1886	default).
1295		1887
1296	sub load_map_header($) {	1888	=cut
		1889
		1890	sub register {
		1891	my (undef, $regex, $prio) = @_;
		1892	my $pkg = caller;
		1893
		1894	push @{"$pkg\::ISA"}, __PACKAGE__;
		1895
		1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1897	}
		1898
		1899	# also paths starting with '/'
		1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1901
		1902	sub thawer_merge {
		1903	my ($self, $merge) = @_;
		1904
		1905	# we have to keep some variables in memory intact
		1906	local $self->{path};
		1907	local $self->{load_path};
		1908
		1909	$self->SUPER::thawer_merge ($merge);
		1910	}
		1911
		1912	sub normalise {
1297	my ($path) = @_;	1913	my ($path, $base) = @_;
		1914
		1915	$path = "$path"; # make sure it's a string
		1916
		1917	$path =~ s/\.map$//;
		1918
		1919	# map plan:
		1920	#
		1921	# /! non-realised random map exit (special hack!)
		1922	# {... are special paths that are not being touched
		1923	# ?xxx/... are special absolute paths
		1924	# ?random/... random maps
		1925	# /... normal maps
		1926	# ~user/... per-player map of a specific user
		1927
		1928	$path =~ s/$PATH_SEP/\//go;
		1929
		1930	# treat it as relative path if it starts with
		1931	# something that looks reasonable
		1932	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1933	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1934
		1935	$base =~ s{[^/]+/?$}{};
		1936	$path = "$base/$path";
		1937	}
		1938
		1939	for ($path) {
		1940	redo if s{/\.?/}{/};
		1941	redo if s{/[^/]+/\.\./}{/};
		1942	}
		1943
		1944	$path
		1945	}
		1946
		1947	sub new_from_path {
		1948	my (undef, $path, $base) = @_;
		1949
		1950	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1951
		1952	$path = normalise $path, $base;
		1953
		1954	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1955	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1956	my $self = bless cf::map::new, $pkg;
		1957	$self->{path} = $path; $self->path ($path);
		1958	$self->init; # pass $1 etc.
		1959	return $self;
		1960	}
		1961	}
		1962
		1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1964	()
		1965	}
		1966
		1967	sub init {
		1968	my ($self) = @_;
		1969
		1970	$self
		1971	}
		1972
		1973	sub as_string {
		1974	my ($self) = @_;
		1975
		1976	"$self->{path}"
		1977	}
		1978
		1979	# the displayed name, this is a one way mapping
		1980	sub visible_name {
		1981	&as_string
		1982	}
		1983
		1984	# the original (read-only) location
		1985	sub load_path {
		1986	my ($self) = @_;
		1987
		1988	"$MAPDIR/$self->{path}.map"
		1989	}
		1990
		1991	# the temporary/swap location
		1992	sub save_path {
		1993	my ($self) = @_;
		1994
		1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1996	"$TMPDIR/$path.map"
		1997	}
		1998
		1999	# the unique path, undef == no special unique path
		2000	sub uniq_path {
		2001	my ($self) = @_;
		2002
		2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2004	"$UNIQUEDIR/$path"
		2005	}
		2006
		2007	sub decay_objects {
		2008	my ($self) = @_;
		2009
		2010	return if $self->{deny_reset};
		2011
		2012	$self->do_decay_objects;
		2013	}
		2014
		2015	sub unlink_save {
		2016	my ($self) = @_;
		2017
		2018	utf8::encode (my $save = $self->save_path);
		2019	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2021	}
		2022
		2023	sub load_header_from($) {
		2024	my ($self, $path) = @_;
1298		2025
1299	utf8::encode $path;	2026	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1301	or return;	2028	or return;
1302		2029
1303	my $map = cf::map::new	2030	$self->_load_header ($f)
1304	or return;	2031	or return;
1305		2032
1306	# for better error messages only, will be overwritten later	2033	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	2034	$f->resolve_delayed_derefs;
1308		2035
1309	$map->load_header ($path)	2036	$self->{load_path} = $path;
		2037
		2038	1
		2039	}
		2040
		2041	sub load_header_orig {
		2042	my ($self) = @_;
		2043
		2044	$self->load_header_from ($self->load_path)
		2045	}
		2046
		2047	sub load_header_temp {
		2048	my ($self) = @_;
		2049
		2050	$self->load_header_from ($self->save_path)
		2051	}
		2052
		2053	sub prepare_temp {
		2054	my ($self) = @_;
		2055
		2056	$self->last_access ((delete $self->{last_access})
		2057	|| $cf::RUNTIME); #d#
		2058	# safety
		2059	$self->{instantiate_time} = $cf::RUNTIME
		2060	if $self->{instantiate_time} > $cf::RUNTIME;
		2061	}
		2062
		2063	sub prepare_orig {
		2064	my ($self) = @_;
		2065
		2066	$self->{load_original} = 1;
		2067	$self->{instantiate_time} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069	$self->instantiate;
		2070	}
		2071
		2072	sub load_header {
		2073	my ($self) = @_;
		2074
		2075	if ($self->load_header_temp) {
		2076	$self->prepare_temp;
		2077	} else {
		2078	$self->load_header_orig
1310	or return;	2079	or return;
		2080	$self->prepare_orig;
		2081	}
1311		2082
1312	$map->{load_path} = $path;	2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
1313		2085
1314	$map	2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
		2089	1
1315	}	2090	}
1316		2091
1317	sub find;	2092	sub find;
1318	sub find {	2093	sub find {
1319	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1320		2095
1321	#warn "find<$path,$origin>\n";#d#	2096	cf::cede_to_tick;
1322		2097
1323	$path = new cf::path $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		2099
1326	cf::lock_wait "map_find:$key";	2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328	$cf::MAP{$key} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1330		2102
1331	# do it the slow way	2103	$cf::MAP{$path} || do {
1332	my $map = $path->load_temp;	2104	my $map = new_from_path cf::map $path
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	2105	or return;
1345		2106
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1358		2108
1359	Coro::cede;	2109	$map->load_header
		2110	or return;
1360		2111
1361	if ($map->should_reset) {	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2113	# doing this can freeze the server in a sync job, obviously
		2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1362	$map->reset;	2117	$map->reset;
1363	undef $guard;
1364	$map = find $path	2118	return find $path;
1365	or return;
1366	}	2119	}
1367		2120
1368	$cf::MAP{$key} = $map	2121	$cf::MAP{$path} = $map
1369	}	2122	}
1370	}	2123	}
		2124
		2125	sub pre_load { }
		2126	#sub post_load { } # XS
1371		2127
1372	sub load {	2128	sub load {
1373	my ($self) = @_;	2129	my ($self) = @_;
1374		2130
		2131	local $self->{deny_reset} = 1; # loading can take a long time
		2132
1375	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2136	my $guard = cf::lock_acquire "map_data:$path";
1377		2137
		2138	return unless $self->valid;
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1379		2140
1380	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1381		2142
1382	$self->alloc;	2143	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2144
		2145	$self->pre_load;
		2146	cf::cede_to_tick;
		2147
		2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1384	or return;	2151	or return;
1385		2152
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1387	if delete $self->{load_original};	2154	if delete $self->{load_original};
1388		2155
1389	if (my $uniq = $path->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2157	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2160	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1394	}	2164	}
1395	}	2165	}
1396		2166
1397	Coro::cede;	2167	$f->resolve_delayed_derefs;
1398		2168
		2169	cf::cede_to_tick;
1399	# now do the right thing for maps	2170	# now do the right thing for maps
1400	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2173	unless $self->difficulty;
		2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1412	$self->activate;	2181	$self->activate;
1413	}	2182	}
1414		2183
1415	Coro::cede;	2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
1416		2186
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
		2188	}
		2189
		2190	$self->post_load;
		2191	}
		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
		2196	sub customise_for {
		2197	my ($self, $ob) = @_;
		2198
		2199	return find "~" . $ob->name . "/" . $self->{path}
		2200	if $self->per_player;
		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
		2205	$self
1418	}	2206	}
1419		2207
1420	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2209	sub load_neighbours {
1422	my ($map) = @_;	2210	my ($map) = @_;
1423		2211
1424	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1425		2213
1426	for (0 .. 3) {	2214	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1428	or next;	2216	or next;
1429	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1430	or next;	2218	or next;
1431	$neigh->load;	2219	$neigh->load;
1432		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2225	}
1436		2226
1437	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1439	or next;	2230	or next;
1440	$neigh->load;	2231	$neigh->load;
1441	}	2232	}
1442	}	2233	}
1443		2234
1444	sub find_sync {	2235	sub find_sync {
1445	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1446		2237
1447	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1448	}	2242	}
1449		2243
1450	sub do_load_sync {	2244	sub do_load_sync {
1451	my ($map) = @_;	2245	my ($map) = @_;
1452		2246
1453	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1454	}	2251	}
1455		2252
1456	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
		2254	our $MAP_PREFETCHER = undef;
		2255
		2256	sub find_async {
		2257	my ($path, $origin, $load) = @_;
		2258
		2259	$path = normalise $path, $origin && $origin->{path};
		2260
		2261	if (my $map = $cf::MAP{$path}) {
		2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2263	}
		2264
		2265	$MAP_PREFETCH{$path} |= $load;
		2266
1457	our $MAP_PREFETCHER = Coro::async {	2267	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2268	$Coro::current->{desc} = "map prefetcher";
		2269
1459	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2272	if (my $map = find $k) {
		2273	$map->load if $v;
		2274	}
		2275
1462	my $path = delete $MAP_PREFETCH{$key};	2276	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2277	}
1468	Coro::schedule;	2278	}
		2279	undef $MAP_PREFETCHER;
1469	}	2280	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2281	$MAP_PREFETCHER->prio (6);
1484		2282
1485	()	2283	()
		2284	}
		2285
		2286	# common code, used by both ->save and ->swapout
		2287	sub _save {
		2288	my ($self) = @_;
		2289
		2290	$self->{last_save} = $cf::RUNTIME;
		2291
		2292	return unless $self->dirty;
		2293
		2294	my $save = $self->save_path; utf8::encode $save;
		2295	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2296
		2297	$self->{load_path} = $save;
		2298
		2299	return if $self->{deny_save};
		2300
		2301	local $self->{last_access} = $self->last_access;#d#
		2302
		2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
		2305	$_->contr->save for $self->players;
		2306	};
		2307
		2308	cf::get_slot 0.02;
		2309
		2310	if ($uniq) {
		2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2313	} else {
		2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2315	}
1486	}	2316	}
1487		2317
1488	sub save {	2318	sub save {
1489	my ($self) = @_;	2319	my ($self) = @_;
1490		2320
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2322
1493	$self->{last_save} = $cf::RUNTIME;	2323	$self->_save;
1494
1495	return unless $self->dirty;
1496
1497	my $save = $self->{path}->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1499
1500	$self->{load_path} = $save;
1501
1502	return if $self->{deny_save};
1503
1504	local $self->{last_access} = $self->last_access;#d#
1505
1506	cf::async {
1507	$_->contr->save for $self->players;
1508	};
1509
1510	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}
1516	}	2324	}
1517		2325
1518	sub swap_out {	2326	sub swap_out {
1519	my ($self) = @_;	2327	my ($self) = @_;
1520		2328
1521	# save first because save cedes
1522	$self->save;
1523
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1526	return if $self->players;	2333	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;
1528	return if $self->{deny_save};
1529		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1530	$self->clear;	2344	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2345	}
1533		2346
1534	sub reset_at {	2347	sub reset_at {
1535	my ($self) = @_;	2348	my ($self) = @_;
1536		2349
1537	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1540		2352
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2355
…		…
1548	my ($self) = @_;	2360	my ($self) = @_;
1549		2361
1550	$self->reset_at <= $cf::RUNTIME	2362	$self->reset_at <= $cf::RUNTIME
1551	}	2363	}
1552		2364
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2365	sub reset {
1575	my ($self) = @_;	2366	my ($self) = @_;
1576		2367
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2369
1579	return if $self->players;	2370	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2371
1582	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
		2373
		2374	$self->in_memory (cf::MAP_SWAPPED);
		2375
		2376	# need to save uniques path
		2377	unless ($self->{deny_save}) {
		2378	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2379
		2380	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2381	if $uniq;
		2382	}
1583		2383
1584	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1585		2385
		2386	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2387	$_->clear_links_to ($self) for values %cf::MAP;
		2388	$self->clear;
1587		2389
1588	$self->unlink_save;	2390	$self->unlink_save;
1589	$self->destroy;	2391	$self->destroy;
1590	}	2392	}
1591		2393
1592	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1593		2395
1594	sub nuke {	2396	sub nuke {
1595	my ($self) = @_;	2397	my ($self) = @_;
1596		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
		2402	delete $cf::MAP{$self->path};
		2403
		2404	$self->unlink_save;
		2405
		2406	bless $self, "cf::map::wrap";
		2407	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2411
		2412	$cf::MAP{$self->path} = $self;
		2413	}
		2414
1600	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
1601	}	2416	}
1602		2417
1603	sub customise_for {	2418	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2419
1606	if ($map->per_player) {	2420	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
1608	}	2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
1609		2435
1610	$map	2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1611	}	2452	}
1612		2453
1613	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1614		2455
1615	Returns an arrayref of cf::path's of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2457	instantiated unique items. May block.
1617		2458
1618	=cut	2459	=cut
1619		2460
1620	sub unique_maps() {	2461	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2462	[
1622	or return;	2463	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2464	utf8::decode $_;
1628	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2467	? ()
1631	push @paths, new cf::path $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2470	]
1633
1634	\@paths
1635	}	2471	}
1636		2472
1637	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1638		2504
1639	=back	2505	=back
1640		2506
1641	=head3 cf::object	2507	=head3 cf::object
1642		2508
…		…
1646		2512
1647	=over 4	2513	=over 4
1648		2514
1649	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1650		2516
1651	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1652		2519
1653	=cut	2520	=cut
1654		2521
1655	sub inv_recursive_;	2522	sub inv_recursive_;
1656	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1659		2526
1660	sub inv_recursive {	2527	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1662	}	2529	}
1663		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1664	package cf;	2559	package cf;
1665		2560
1666	=back	2561	=back
1667		2562
1668	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1677		2572
1678	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1679		2588
1680	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2590	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1685		2594
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2596
1688	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1690	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1693	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1694	}	2622	}
1695		2623
1696	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1697		2625
1698	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1711		2639
1712	=item $player_object->enter_link	2640	=item $player_object->enter_link
1713		2641
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2643
1716	The player should be reaosnably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
		2648
		2649	Will never block.
1718		2650
1719	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1720		2652
1721	Moves the player out of the specila link map onto the given map. If the	2653	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2654	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2655	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2656	fails, to the emergency map position.
1725		2657
1726	Might block.	2658	Might block.
1727		2659
1728	=cut	2660	=cut
		2661
		2662	sub link_map {
		2663	unless ($LINK_MAP) {
		2664	$LINK_MAP = cf::map::find "{link}"
		2665	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2666	$LINK_MAP->load;
		2667	}
		2668
		2669	$LINK_MAP
		2670	}
1729		2671
1730	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2673	my ($self) = @_;
1732		2674
1733	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1734		2676
1735	return if $self->map == $LINK_MAP;	2677	++$self->{_link_recursion};
		2678
		2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2680
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1739		2683
1740	$self->enter_map ($LINK_MAP, 20, 20);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2685	}
1742		2686
1743	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1745		2691
1746	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1747		2693
1748	unless ($map) {	2694	unless ($map) {
1749	# restore original map position	2695	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1762		2708
1763	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1766		2712
1767	$map->load;	2713	$map->load;
1768	$map->load_diag;	2714	$map->load_neighbours;
1769		2715
1770	return unless $self->contr->active;	2716	return unless $self->contr->active;
		2717
		2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2719	if ($self->enter_map ($map, $x, $y)) {
		2720	# entering was successful
		2721	delete $self->{_link_recursion};
		2722	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2723	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2724	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2725
1789	# try to abort aborted map switching on player login :)	2726	}
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2727
1807	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1809	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1810		2742
1811	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2745
1814	$path = new cf::path $path;	2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2754
1816	$self->enter_link;	2755	$self->enter_link;
1817		2756
1818	(async {	2757	(async {
1819	my $map = cf::map::find $path->as_string;	2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
		2779	my $map = eval {
		2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
1821		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2785	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
1826		2788
		2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
		2795	}
		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1828	})->prio (1);	2803	})->prio (1);
1829	}	2804	}
1830		2805
1831	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1832		2807
…		…
1834		2809
1835	sub parse_random_map_params {	2810	sub parse_random_map_params {
1836	my ($spec) = @_;	2811	my ($spec) = @_;
1837		2812
1838	my $rmp = { # defaults	2813	my $rmp = { # defaults
1839	xsize => 10,	2814	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2815	ysize => (cf::rndm 15, 40),
		2816	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2817	#layout => string,
1841	};	2818	};
1842		2819
1843	for (split /\n/, $spec) {	2820	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2821	my ($k, $v) = split /\s+/, $_, 2;
1845		2822
…		…
1857	# that depends on the exit object	2834	# that depends on the exit object
1858		2835
1859	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
1860		2837
1861	if ($exit->map) {	2838	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2839	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
1866	}	2845	}
1867		2846
1868	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
1869		2848
1870	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
		2851	my $meta = "$RANDOMDIR/$md5.meta";
1872		2852
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
		2855	undef $fh;
		2856	aio_rename "$meta~", $meta;
1875		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
1878	}	2864	}
1879	}	2865	}
1880		2866
1881	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
1885		2871
1886	$self->enter_link;	2872	$self->enter_link;
1887		2873
1888	(async {	2874	(async {
1889	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
1890	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
1891	prepare_random_map $exit	2884	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2885	if $exit->slaying eq "/!";
		2886	}
1893		2887
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
1896		2891
		2892	$self->goto ($map, $x, $y);
		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
1897	1;	2898	1
1898	}) {	2899	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2904
1904	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
1905	$self->leave_link;	2906	$self->leave_link;
1906	}	2907	}
1907	})->prio (1);	2908	})->prio (1);
1908	}	2909	}
1909		2910
…		…
1920		2921
1921	sub cf::client::send_drawinfo {	2922	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2923	my ($self, $text, $flags) = @_;
1923		2924
1924	utf8::encode $text;	2925	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2927	}
1927		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
		3116	=item $client->ext_msg ($type, @msg)
		3117
		3118	Sends an ext event to the client.
		3119
		3120	=cut
		3121
		3122	sub cf::client::ext_msg($$@) {
		3123	my ($self, $type, @msg) = @_;
		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
		3128	push @msg, msgtype => "event_$type";
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
		3149	}
1928		3150
1929	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
1930		3152
1931	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		3156
1935	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	3158	become reliable at some point in the future.
1937		3159
1938	=cut	3160	=cut
1939		3161
1940	sub cf::client::query {	3162	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	3171	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		3173
1952	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
1954	}	3178	}
1955		3179
1956	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
1957	on_reply => sub {	3186	on_reply => sub {
1958	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
1959		3188
1960	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
1961	# get handled first	3190	# get handled first
1962	my $queue = delete $ns->{query_queue}	3191	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	3192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		3193
1965	(shift @$queue)->[1]->($msg);	3194	(shift @$queue)->[1]->($msg);
		3195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		3196
1967	push @{ $ns->{query_queue} }, @$queue;	3197	push @{ $ns->{query_queue} }, @$queue;
1968		3198
1969	if (@{ $ns->{query_queue} } == @$queue) {	3199	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3200	if (@$queue) {
…		…
1972	} else {	3202	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3204	}
1975	}	3205	}
1976	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
1977	);	3233	);
1978		3234
1979	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
1980		3236
1981	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
1997		3253
1998	$coro	3254	$coro
1999	}	3255	}
2000		3256
2001	cf::client->attach (	3257	cf::client->attach (
2002	on_destroy => sub {	3258	on_client_destroy => sub {
2003	my ($ns) = @_;	3259	my ($ns) = @_;
2004		3260
2005	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006	},	3262	},
2007	);	3263	);
…		…
2022	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2024		3280
2025	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2026		3282
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2028		3288
2029	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2030		3290
2031	=pod	3291	=pod
2032		3292
2033	The following fucntions and emthods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2034		3294
2035	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2036	cf::object::player player	3300	cf::object::player
2037	cf::player peaceful	3301	player
2038	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2039		3308
2040	=cut	3309	=cut
2041		3310
2042	for (	3311	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2047	) {	3318	) {
2048	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2051	for @funs;	3321	for @funs;
2052	}	3322	}
2053		3323
…		…
2068		3338
2069	my $qcode = $code;	3339	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2072		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2073	local $_;	3346	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;
2075		3347
2076	my $eval =	3348	my $eval =
2077	"do {\n"	3349	"do {\n"
2078	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2080	. $code	3352	. $code
2081	. "\n}"	3353	. "\n}"
2082	;	3354	;
2083		3355
		3356	if ($CFG{safe_eval}) {
2084	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2085	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2087		3365
2088	if ($@) {	3366	if ($@) {
2089	warn "$@";	3367	warn "$@",
2090	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2091	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2092	}	3370	}
2093		3371
2094	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2095	}	3373	}
2096		3374
…		…
2110	=cut	3388	=cut
2111		3389
2112	sub register_script_function {	3390	sub register_script_function {
2113	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2114		3392
2115	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2116	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2117	}	3395	}
2118		3396
2119	=back	3397	=back
2120		3398
2121	=cut	3399	=cut
2122		3400
2123	#############################################################################	3401	#############################################################################
		3402	# the server's init and main functions
2124		3403
2125	=head2 EXTENSION DATABASE SUPPORT	3404	sub load_facedata($) {
		3405	my ($path) = @_;
2126		3406
2127	Crossfire maintains a very simple database for extension use. It can	3407	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3408	# for this (global event?)
2129	excludes objects.	3409	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3410
2131	The parameter C<$family> should best start with the name of the extension	3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3412
2134	=over 4	3413	trace "loading facedata from $path\n";
2135		3414
2136	=item $hashref = cf::db_get $family	3415	0 < aio_load $path, my $facedata
		3416	or die "$path: $!";
2137		3417
2138	Return a hashref for use by the extension C<$family>, which can be	3418	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3419
2142	=item $value = cf::db_get $family => $key	3420	$facedata->{version} == 2
		3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3422
2144	Returns a single value from the database	3423	# patch in the exptable
2145		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2146	=item cf::db_put $family => $hashref	3425	$facedata->{resource}{"res/exp_table"} = {
2147		3426	type => FT_RSRC,
2148	Stores the given family hashref into the database. Updates are delayed, if	3427	data => $exp_table,
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3428	hash => (Digest::MD5::md5 $exp_table),
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3429	};
		3430	cf::cede_to_tick;
2197		3431
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3432	{
		3433	my $faces = $facedata->{faceinfo};
2202		3434
2203	sub db_get($;$) {	3435	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3437
2209	sub db_put($$;$) {	3438	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3439	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212	} else {	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3442
2218	cf::global->attach (	3443	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3444	}
2223	);
2224	}
2225		3445
2226	#############################################################################	3446	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3447	next unless $info->{smooth};
2228		3448
2229	sub cfg_load {	3449	my $idx = cf::face::find $face
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3450	or next;
2231	or return;
2232		3451
2233	local $/;	3452	if (my $smooth = cf::face::find $info->{smooth}) {
2234	*CFG = YAML::Syck::Load <$fh>;	3453	cf::face::set_smooth $idx, $smooth;
		3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3455	} else {
		3456	error "smooth face '$info->{smooth}' not found for face '$face'";
		3457	}
2235		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	{
		3464	my $anims = $facedata->{animinfo};
		3465
		3466	while (my ($anim, $info) = each %$anims) {
		3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3468	cf::cede_to_tick;
		3469	}
		3470
		3471	cf::anim::invalidate_all; # d'oh
		3472	}
		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
		3493	1
		3494	}
		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
		3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
		3519	load_resource_file "$MAPDIR/regions"
		3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
		3526	}
		3527
		3528	sub reload_facedata {
		3529	load_facedata "$DATADIR/facedata"
		3530	or die "unable to load facedata\n";
		3531	}
		3532
		3533	sub reload_archetypes {
		3534	load_resource_file "$DATADIR/archetypes"
		3535	or die "unable to load archetypes\n";
		3536	}
		3537
		3538	sub reload_treasures {
		3539	load_resource_file "$DATADIR/treasures"
		3540	or die "unable to load treasurelists\n";
		3541	}
		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
		3553	or next;
		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
		3564	}
		3565
		3566	sub reload_resources {
		3567	trace "reloading resource files...\n";
		3568
		3569	reload_exp_table;
		3570	reload_materials;
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
		3583	0 < aio_load "$CONFDIR/config", my $config
		3584	or die "$CONFDIR/config: $!";
		3585
		3586	utf8::decode $config;
		3587	*CFG = yaml_load $config;
		3588
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2237		3590
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2240		3593
2241	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2245	};	3598	};
2246	warn $@ if $@;	3599	warn $@ if $@;
2247	}	3600	}
2248	}	3601	}
2249		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2250	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2251	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3644	(async {
		3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
		3647	})->prio (Coro::PRIO_MAX);
2255	};	3648	};
2256		3649
2257	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
		3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2259	load_extensions;	3673	load_extensions;
2260	Event::loop;	3674
		3675	utime time, time, $RUNTIMEFILE;
		3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2261	}	3693	}
2262		3694
2263	#############################################################################	3695	#############################################################################
2264	# initialisation and cleanup	3696	# initialisation and cleanup
2265		3697
2266	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2267	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2274	},
2275	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2276	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2277	}	3794	}
2278		3795
2279	sub emergency_save() {	3796	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2281		3798
2282	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2283		3805
2284	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2285	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3817	$pl->save;
2293	}	3818	}
2294	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2295		3820
2296	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3826	$map->valid or next;
2300	$map->save;	3827	$map->save;
2301	}	3828	}
2302	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2303	};	3859	};
2304		3860
2305	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2306	}	3862	}
2307		3863
		3864	sub post_cleanup {
		3865	my ($make_core) = @_;
		3866
		3867	IO::AIO::flush;
		3868
		3869	error Carp::longmess "post_cleanup backtrace"
		3870	if $make_core;
		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
		3899	}
		3900
2308	sub reload() {	3901	sub do_reload_perl() {
2309	# can/must only be called in main	3902	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2311	warn "can only reload from main coroutine\n";	3904	error "can only reload from main coroutine";
2312	return;	3905	return;
2313	}	3906	}
2314		3907
2315	warn "reloading...";	3908	return if $RELOAD++;
2316		3909
2317	warn "freezing server";	3910	my $t1 = AE::time;
2318	my $guard = freeze_mainloop;	3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
		3918	cf::sync_job {
2319	cf::emergency_save;	3919	#cf::emergency_save;
2320		3920
2321	warn "sync database to disk";	3921	trace "perl_reload: cancelling all extension coros";
2322	cf::db_sync;
2323	IO::AIO::flush;
2324
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved
2327
2328	warn "cancel all watchers";
2329	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3923	%EXT_CORO = ();
2336		3924
2337	warn "remove commands";	3925	trace "perl_reload: removing commands";
2338	%COMMAND = ();	3926	%COMMAND = ();
2339		3927
2340	warn "remove ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2341	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2342		3931
2343	warn "unload/nuke all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2346		3935
2347	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3937	eval {
2349	$cb->($pkg);	3938	$cb->($pkg);
2350	1	3939	1
2351	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2352	}	3945	}
2353		3946
2354	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357
2358	warn "unload all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3950
2362	warn "removing <$k>";	3951	trace "... unloading $k";
2363	delete $INC{$k};	3952	delete $INC{$k};
2364		3953
2365	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2367		3956
2368	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2369	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2370	}	3962	}
2371		3963
2372	Symbol::delete_package $k;
2373	}
2374
2375	warn "get rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3967
2379	warn "unload cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
		3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3971
2382	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3973	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2385		3975
2386	warn "reloading cf.pm";	3976	info "perl_reload: unload completed, starting to reload now";
		3977
		3978	trace "perl_reload: reloading cf.pm";
2387	require cf;	3979	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2389		3981
2390	warn "load config and database again";	3982	trace "perl_reload: loading config and database again";
2391	cf::cfg_load;	3983	cf::reload_config;
2392	cf::db_load;
2393		3984
2394	warn "load extensions";	3985	trace "perl_reload: loading extensions";
2395	cf::load_extensions;	3986	cf::load_extensions;
2396		3987
		3988	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2398	_global_reattach;	3990	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
		3993	trace "perl_reload: reattaching attachments to players";
		3994	reattach $_ for values %PLAYER;
		3995	}
		3996
		3997	cf::_post_init 1;
		3998
		3999	trace "perl_reload: leaving sync_job";
		4000
		4001	1
		4002	} or do {
		4003	error $@;
		4004	cf::cleanup "perl_reload: error, exiting.";
		4005	};
		4006
		4007	--$RELOAD;
		4008	}
		4009
		4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
		4012	};
		4013
		4014	our $RELOAD_WATCHER; # used only during reload
		4015
		4016	sub reload_perl() {
		4017	# doing reload synchronously and two reloads happen back-to-back,
		4018	# coro crashes during coro_state_free->destroy here.
		4019
		4020	$RELOAD_WATCHER ||= cf::async {
		4021	Coro::AIO::aio_wait cache_extensions;
		4022
		4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4024	do_reload_perl;
		4025	undef $RELOAD_WATCHER;
		4026	};
2401	};	4027	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	4028	}
2454		4029
2455	register_command "reload" => sub {	4030	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2457		4032
2458	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	4034	$who->message ("reloading server.");
		4035	async {
		4036	$Coro::current->{desc} = "perl_reload";
		4037	reload_perl;
		4038	};
2462	}	4039	}
2463	};	4040	};
2464		4041
2465	unshift @INC, $LIBDIR;	4042	#############################################################################
2466		4043
2467	$TICK_WATCHER = Event->timer (	4044	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		4045
		4046	our @WAIT_FOR_TICK;
		4047	our @WAIT_FOR_TICK_BEGIN;
		4048
		4049	sub wait_for_tick() {
		4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
		4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub wait_for_tick_begin() {
		4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4059
		4060	my $signal = new Coro::Signal;
		4061	push @WAIT_FOR_TICK_BEGIN, $signal;
		4062	$signal->wait;
		4063	}
		4064
		4065	sub tick {
		4066	if ($Coro::current != $Coro::main) {
		4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4068	unless ++$bug_warning > 10;
		4069	return;
		4070	}
		4071
2475	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		4073
2479	$WAIT_FOR_TICK->broadcast;	4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2481		4075
2482	# if we are delayed by four ticks or more, skip them all	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2484		4078	Coro::async_pool {
2485	$TICK_WATCHER->at ($NEXT_TICK);	4079	$Coro::current->{desc} = "runtime saver";
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	4080	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	4081	or error "ERROR: unable to write runtime file: $!";
2508	})->();	4082	};
2509	},	4083	}
2510	);	4084
		4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4086	$sig->send;
		4087	}
		4088	while (my $sig = shift @WAIT_FOR_TICK) {
		4089	$sig->send;
		4090	}
		4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
		4101	}
		4102	}
		4103
		4104	{
		4105	# configure BDB
		4106
		4107	BDB::min_parallel 16;
		4108	BDB::max_poll_reqs $TICK * 0.1;
		4109	$AnyEvent::BDB::WATCHER->priority (1);
		4110
		4111	unless ($DB_ENV) {
		4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4118
		4119	cf::sync_job {
		4120	eval {
		4121	BDB::db_env_open
		4122	$DB_ENV,
		4123	$BDBDIR,
		4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4126	0666;
		4127
		4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4129	};
		4130
		4131	cf::cleanup "db_env_open(db): $@" if $@;
		4132	};
		4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
		4144	}
		4145
		4146	{
		4147	# configure IO::AIO
		4148
		4149	IO::AIO::min_parallel 8;
		4150	IO::AIO::max_poll_time $TICK * 0.1;
		4151	undef $AnyEvent::AIO::WATCHER;
		4152	}
		4153
		4154	my $_log_backtrace;
		4155
		4156	sub _log_backtrace {
		4157	my ($msg, @addr) = @_;
		4158
		4159	$msg =~ s/\n//;
		4160
		4161	# limit the # of concurrent backtraces
		4162	if ($_log_backtrace < 2) {
		4163	++$_log_backtrace;
		4164	my $perl_bt = Carp::longmess $msg;
		4165	async {
		4166	$Coro::current->{desc} = "abt $msg";
		4167
		4168	my @bt = fork_call {
		4169	@addr = map { sprintf "%x", $_ } @addr;
		4170	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4171	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4172	or die "addr2line: $!";
		4173
		4174	my @funcs;
		4175	my @res = <$fh>;
		4176	chomp for @res;
		4177	while (@res) {
		4178	my ($func, $line) = splice @res, 0, 2, ();
		4179	push @funcs, "[$func] $line";
		4180	}
		4181
		4182	@funcs
		4183	};
		4184
		4185	LOG llevInfo, "[ABT] $perl_bt\n";
		4186	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4187	LOG llevInfo, "[ABT] $_\n" for @bt;
		4188	--$_log_backtrace;
		4189	};
		4190	} else {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [suppressed]\n";
		4193	}
		4194	}
		4195
		4196	# load additional modules
		4197	require "cf/$_.pm" for @EXTRA_MODULES;
		4198	cf::_connect_to_perl_2;
2511		4199
2512	END { cf::emergency_save }	4200	END { cf::emergency_save }
2513		4201
2514	1	4202	1
2515		4203

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