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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3;	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
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	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" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	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
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	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);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %MAP; # all maps	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $REALLY_UNLOOP; # never set to true, please :)
57		153
58	binmode STDOUT;	154	binmode STDOUT;
59	binmode STDERR;	155	binmode STDERR;
60		156
61	# read virtual server time, if available	157	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
66	}	162	}
67		163
68	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		165
74	# a special map that is always available	166	mkdir $_
75	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		168
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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::"} };
78		187
79	#############################################################################	188	#############################################################################
80		189
81	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
82		191
…		…
89	=item $cf::RUNTIME	198	=item $cf::RUNTIME
90		199
91	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
92	every server tick.	201	every server tick.
93		202
94	=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
95		206
96	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		211
99	=item $cf::NOW	212	=item $cf::NOW
100		213
101	The time of the last (current) server tick.	214	The time of the last (current) server tick.
102		215
103	=item $cf::TICK	216	=item $cf::TICK
104		217
105	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	230	=item %cf::CFG
108		231
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	233	from wherever your confdir points to.
111		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one thread
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
		257
112	=back	258	=back
113		259
114	=cut	260	=cut
115		261
116	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
117	*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 {
118	my $msg = join "", @_;	269	my $msg = join "", @_;
119	utf8::encode $msg;
120		270
121	$msg .= "\n"	271	$msg .= "\n"
122	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
123		273
124	LOG llevError, "cfperl: $msg";	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
125	};	275
126	}	276	LOG llevWarn, $msg;
		277	};
		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	};
127		292
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		300
135	# 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
136	# within the Safe compartment.	302	# within the Safe compartment.
137	for my $pkg (qw(	303	for my $pkg (qw(
138	cf::global cf::attachable	304	cf::global cf::attachable
139	cf::object cf::object::player	305	cf::object cf::object::player
140	cf::client cf::player	306	cf::client cf::player
141	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
142	cf::map cf::party cf::region	309	cf::party cf::region
143	)) {	310	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	312	}
147		313
148	$Event::DIED = sub {	314	$EV::DIED = sub {
149	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
150	};	316	};
151		317
152	my %ext_pkg;	318	#############################################################################
153	my @exts;
154	my @hook;
155		319
156	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
157		321
158	=over 4	322	=over 4
159		323
160	=cut	324	=item dumpval $ref
161		325
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	326	=cut
163		327
		328	sub dumpval {
		329	eval {
		330	local $SIG{__DIE__};
		331	my $d;
		332	if (1) {
		333	$d = new Data::Dumper([$_[0]], ["*var"]);
		334	$d->Terse(1);
		335	$d->Indent(2);
		336	$d->Quotekeys(0);
		337	$d->Useqq(1);
		338	#$d->Bless(...);
		339	$d->Seen($_[1]) if @_ > 1;
		340	$d = $d->Dump();
		341	}
		342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		343	$d
		344	} || "[unable to dump $_[0]: '$@']";
		345	}
		346
164	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
165		348
166	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
167		350
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
176		352
177	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
178		354
179	=cut	355	=cut
180		356
181	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
183	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 $_[0] } @_
184	}	372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
		404
		405	=item cf::lock_wait $string
		406
		407	Wait until the given lock is available. See cf::lock_acquire.
		408
		409	=item my $lock = cf::lock_acquire $string
		410
		411	Wait until the given lock is available and then acquires it and returns
		412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
		413	for example when the coroutine gets canceled), the lock is automatically
		414	returned.
		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
		419	Lock names should begin with a unique identifier (for example, cf::map::find
		420	uses map_find and cf::map::load uses map_load).
		421
		422	=item $locked = cf::lock_active $string
		423
		424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
		429
		430	sub lock_wait($) {
		431	$LOCKS->wait ($_[0]);
		432	}
		433
		434	sub lock_acquire($) {
		435	$LOCKS->guard ($_[0])
		436	}
		437
		438	sub lock_active($) {
		439	$LOCKS->count ($_[0]) < 1
		440	}
		441
		442	sub freeze_mainloop {
		443	tick_inhibit_inc;
		444
		445	&Guard::guard (\&tick_inhibit_dec);
		446	}
		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	$sig->wait;
		528	}
		529
		530	=item cf::async { BLOCK }
		531
		532	Currently the same as Coro::async_pool, meaning you cannot use
		533	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		534	thing you are allowed to do is call C<prio> on it.
		535
		536	=cut
		537
		538	BEGIN { *async = \&Coro::async_pool }
185		539
186	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
187		541
188	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
191		546
192	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
195	fast or be very important.	550	fast or be very important.
…		…
197	=cut	552	=cut
198		553
199	sub sync_job(&) {	554	sub sync_job(&) {
200	my ($job) = @_;	555	my ($job) = @_;
201		556
202	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
203	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
205		562
206	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
207	# (but this is cancel-safe)	564
208	local $FREEZE = 1;	565	my $freeze_guard = freeze_mainloop;
209		566
210	my $busy = 1;	567	my $busy = 1;
211	my @res;	568	my @res;
212		569
213	(Coro::async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
214	@res = eval { $job->() };	572	@res = eval { $job->() };
215	warn $@ if $@;	573	error $@ if $@;
216	undef $busy;	574	undef $busy;
217	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
218		576
219	while ($busy) {	577	while ($busy) {
		578	if (Coro::nready) {
220	Coro::cede_notself;	579	Coro::cede_notself;
221	Event::one_event unless Coro::nready;	580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
222	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
223		588
224	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
225	} else {	590	} else {
226	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
227		592
228	$job->()	593	$job->()
229	}	594	}
230	}	595	}
231		596
232	=item $coro = cf::coro { BLOCK }	597	=item $coro = cf::async_ext { BLOCK }
233		598
234	Creates and returns a new coro. This coro is automcatially being canceled	599	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	600	extension calling this is being unloaded.
236		601
237	=cut	602	=cut
238		603
239	sub coro(&) {	604	sub async_ext(&) {
240	my $cb = shift;	605	my $cb = shift;
241		606
242	my $coro; $coro = async {	607	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		608
249	$coro->on_destroy (sub {	609	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	610	delete $EXT_CORO{$coro+0};
251	});	611	});
252	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
253		613
254	$coro	614	$coro
255	}	615	}
256		616
257	sub write_runtime {	617	=item fork_call { }, @args
258	my $runtime = cf::localdir . "/runtime";
259		618
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
261	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.
262		623
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		625
267	aio_fsync $fh	626	sub post_fork {
268	and return;	627	reset_signals;
		628	}
269		629
270	close $fh	630	sub fork_call(&@) {
271	or return;	631	my ($cb, @args) = @_;
272		632
273	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
274	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
275		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
276	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 => $type });
277	}	821	}
278		822
279	=back	823	=back
280		824
281	=cut	825	=cut
282		826
283	#############################################################################	827	#############################################################################
284		828
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402
403	#############################################################################
404
405	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
406		830
407	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
408	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")
409	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
410		834
411	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>
412	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
413	crossfire+).	837	Deliantra).
414		838
415	=over 4	839	=over 4
416		840
417	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
418		842
…		…
462	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
463		887
464	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
465	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
466		890
467	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
468	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.
469		893
470	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
471		895
472	=over 4	896	=over 4
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	957	our @CB_MAP = ();
534		958
535	my %attachment;	959	my %attachment;
536		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
537	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
539		969
540	use sort 'stable';	970	use sort 'stable';
541		971
…		…
575	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
576		1006
577	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
578	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
579	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
581		1011
582	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
583	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
584		1014
585	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
590		1020
591	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
592	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
593		1023
594	} elsif (ref $type) {	1024	} elsif (ref $type) {
595	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
596		1026
597	} else {	1027	} else {
598	shift @arg;	1028	shift @arg;
599	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
600	}	1030	}
601	}	1031	}
602	}	1032	}
603		1033
604	sub _object_attach {	1034	sub _object_attach {
…		…
614	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
615	}	1045	}
616		1046
617	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
618	} else {	1048	} else {
619	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
620	}	1050	}
621		1051
622	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
623	}	1053	}
624		1054
…		…
626	if (ref $_[0]) {	1056	if (ref $_[0]) {
627	_object_attach @_;	1057	_object_attach @_;
628	} else {	1058	} else {
629	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
630	}	1060	}
		1061	_recalc_want;
631	};	1062	};
632		1063
633	# all those should be optimised	1064	# all those should be optimised
634	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
635	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
638	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
639	reattach ($obj);	1070	reattach ($obj);
640	} else {	1071	} else {
641	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
642	}	1073	}
		1074	_recalc_want;
643	};	1075	};
644		1076
645	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
646	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
647		1079
…		…
662	";	1094	";
663	die if $@;	1095	die if $@;
664	}	1096	}
665		1097
666	our $override;	1098	our $override;
667	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?
668		1100
669	sub override {	1101	sub override {
670	$override = 1;	1102	$override = 1;
671	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
672	}	1104	}
673		1105
674	sub do_invoke {	1106	sub do_invoke {
675	my $event = shift;	1107	my $event = shift;
676	my $callbacks = shift;	1108	my $callbacks = shift;
677		1109
678	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
679		1111
680	local $override;	1112	local $override;
681		1113
682	for (@$callbacks) {	1114	for (@$callbacks) {
683	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
684		1116
685	if ($@) {	1117	if ($@) {
686	warn "$@";
687	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
688	override;	1119	override;
689	}	1120	}
690		1121
691	return 1 if $override;	1122	return 1 if $override;
692	}	1123	}
693		1124
694	0	1125	0
695	}	1126	}
696		1127
697	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
698		1129
699	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
700		1131
701	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
702		1133
703	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
704	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
705	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
706		1137
707	=back	1138	=back
708		1139
709	=cut	1140	=cut
710		1141
711	#############################################################################	1142	#############################################################################
712	# 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	}
713		1186
714	sub reattach {	1187	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
716	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
717		1193
718	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
719		1195
720	@$registry = ();	1196	@$registry = ();
721		1197
…		…
726	for (@$attach) {	1202	for (@$attach) {
727	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
729	}	1205	}
730	} else {	1206	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1208	}
733	}	1209	}
734	}	1210	}
735		1211
736	cf::attachable->attach (	1212	cf::attachable->attach (
737	prio => -1000000,	1213	prio => -1000000,
738	on_instantiate => sub {	1214	on_instantiate => sub {
739	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
740		1216
741	$data = from_json $data;	1217	$data = decode_json $data;
742		1218
743	for (@$data) {	1219	for (@$data) {
744	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
745		1221
746	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1238	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
764		1240
765	sync_job {	1241	sync_job {
766	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
769		1247
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$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;
773	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
774	close $fh;	1255	aio_close $fh;
775		1256
776	if (@$objs) {	1257	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	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;
781	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
782	close $fh;	1266	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
784	}	1268	}
785	} else {	1269	} else {
786	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
787	}	1271	}
788		1272
789	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1277	} else {
791	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
792	}	1279	}
793	} else {	1280	} else {
794	aio_unlink $filename;	1281	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
796	}	1283	}
797	}	1284	};
798	}	1285	}
799		1286
800	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
802		1289
…		…
814	or return;	1301	or return;
815		1302
816	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
818	or return;	1305	or return;
		1306
819	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
820	}	1309	}
821		1310
		1311	utf8::decode (my $decname = $filename);
		1312	trace sprintf "loading %s (%d,%d)\n",
		1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
822	return ($data, $av);	1316	($data, $av)
823	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
824		1324
825	#############################################################################	1325	#############################################################################
826	# command handling &c	1326	# command handling &c
827		1327
828	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1342	}
843		1343
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1345
846	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.
847		1351
848	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
849	called.	1353	called.
850		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
851	=cut	1366	=cut
852		1367
853	sub register_extcmd {	1368	sub register_extcmd {
854	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
855		1370
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
860	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
861		1381
862	cf::player->attach (	1382	cf::player->attach (
863	on_command => sub {	1383	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
865		1385
866	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
867	or return;	1387	or return;
868		1388
…		…
873	cf::override;	1393	cf::override;
874	},	1394	},
875	on_extcmd => sub {	1395	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
877		1397
878	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1399
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
886	} else {	1415	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1417	}
889		1418
890	cf::override;	1419	cf::override;
891	},	1420	},
892	);	1421	);
893		1422
894	sub register {	1423	# "readahead" all extensions
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	1424	sub cache_extensions {
901	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
902		1426
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
904	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
905	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
906	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";
908
909	warn "loading '$path' into '$pkg'\n";
910
911	open my $fh, "<:utf8", $path
912	or die "$path: $!";
913
914	my $source =
915	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })
918	. "\n};\n1";
919
920	eval $source
921	or die $@ ? "$path: $@\n"
922	: "extension disabled.\n";
923
924	push @exts, $pkg;
925	$ext_pkg{$base} = $pkg;
926
927	# no strict 'refs';
928	# @{"$pkg\::ISA"} = ext::;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }
943
944	# remove commands
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}	1430	}
953	}	1431	};
954		1432
955	# remove extcmds	1433	$grp
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	1434	}
969		1435
970	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
971	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	1443	next unless -r $path;
973	eval {	1444
974	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	}
975	1	1508	}
976	} 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	}
977	}	1519	};
978	}	1520	}
979		1521
980	#############################################################################	1522	#############################################################################
981	# load/save/clean perl data associated with a map
982		1523
983	*cf::mapsupport::on_clean = sub {	1524	=back
		1525
		1526	=head2 CORE EXTENSIONS
		1527
		1528	Functions and methods that extend core deliantra objects.
		1529
		1530	=cut
		1531
		1532	package cf::player;
		1533
		1534	use Coro::AIO;
		1535
		1536	=head3 cf::player
		1537
		1538	=over 4
		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
		1554	=item cf::player::find $login
		1555
		1556	Returns the given player object, loading it if necessary (might block).
		1557
		1558	=cut
		1559
		1560	sub playerdir($) {
		1561	"$PLAYERDIR/"
		1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1563	}
		1564
		1565	sub path($) {
		1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1567
		1568	(playerdir $login) . "/playerdata"
		1569	}
		1570
		1571	sub find_active($) {
		1572	$cf::PLAYER{$_[0]}
		1573	and $cf::PLAYER{$_[0]}->active
		1574	and $cf::PLAYER{$_[0]}
		1575	}
		1576
		1577	sub exists($) {
984	my ($map) = @_;	1578	my ($login) = @_;
985		1579
986	my $path = $map->tmpname;	1580	$cf::PLAYER{$login}
987	defined $path or return;	1581	or !aio_stat path $login
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}	1582	}
1000		1583
1001	# TODO: compatibility cruft, remove when no longer needed	1584	sub find($) {
		1585	return $cf::PLAYER{$_[0]} || do {
		1586	my $login = $_[0];
		1587
		1588	my $guard = cf::lock_acquire "user_find:$login";
		1589
		1590	$cf::PLAYER{$_[0]} || do {
		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
		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;
		1606	$cf::PLAYER{$login} = $pl
		1607	}
		1608	}
		1609	}
		1610
1002	cf::player->attach (	1611	cf::player->attach (
1003	on_load => sub {	1612	on_load => sub {
1004	my ($pl, $path) = @_;	1613	my ($pl, $path) = @_;
1005		1614
1006	for my $o (all_objects $pl->ob) {	1615	# restore slots saved in save, below
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1616	my $slots = delete $pl->{_slots};
1008	$o->set_ob_key_value ("_perl_data");
1009		1617
1010	%$o = %{ Storable::thaw pack "H*", $value };	1618	$pl->ob->current_weapon ($slots->[0]);
1011	}	1619	$pl->combat_ob ($slots->[1]);
1012	}	1620	$pl->ranged_ob ($slots->[2]);
1013	},	1621	},
1014	);	1622	);
1015		1623
1016	#############################################################################	1624	sub save($) {
		1625	my ($pl) = @_;
1017		1626
1018	=head2 CORE EXTENSIONS	1627	return if $pl->{deny_save};
1019		1628
1020	Functions and methods that extend core crossfire objects.	1629	my $path = path $pl;
		1630	my $guard = cf::lock_acquire "user_save:$path";
1021		1631
1022	=head3 cf::player	1632	return if $pl->{deny_save};
		1633
		1634	aio_mkdir playerdir $pl, 0770;
		1635	$pl->{last_save} = $cf::RUNTIME;
		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
		1642	$pl->save_pl ($path);
		1643	cf::cede_to_tick;
		1644	}
		1645
		1646	sub new($) {
		1647	my ($login) = @_;
		1648
		1649	my $self = create;
		1650
		1651	$self->ob->name ($login);
		1652	$self->{deny_save} = 1;
		1653
		1654	$cf::PLAYER{$login} = $self;
		1655
		1656	$self
		1657	}
		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
		1669	=item $pl->quit_character
		1670
		1671	Nukes the player without looking back. If logged in, the connection will
		1672	be destroyed. May block for a long time.
		1673
		1674	=cut
		1675
		1676	sub quit_character {
		1677	my ($pl) = @_;
		1678
		1679	my $name = $pl->ob->name;
		1680
		1681	$pl->{deny_save} = 1;
		1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1683
		1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
		1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
		1691	$pl->ns->destroy if $pl->ns;
		1692
		1693	my $path = playerdir $pl;
		1694	my $temp = "$path~$cf::RUNTIME~deleting~";
		1695	aio_rename $path, $temp;
		1696	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1719	}
		1720
		1721	=item cf::player::list_logins
		1722
		1723	Returns am arrayref of all valid playernames in the system, can take a
		1724	while and may block, so not sync_job-capable, ever.
		1725
		1726	=cut
		1727
		1728	sub list_logins {
		1729	my $dirs = aio_readdir $PLAYERDIR
		1730	or return [];
		1731
		1732	my @logins;
		1733
		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") {
		1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1741	aio_read $fh, 0, 512, my $buf, 0 or next;
		1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
		1744
		1745	utf8::decode $login;
		1746	push @logins, $login;
		1747	}
		1748
		1749	\@logins
		1750	}
		1751
		1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
		1755
		1756	Returns an arrayref of map paths that are private for this
		1757	player. May block.
		1758
		1759	=cut
		1760
		1761	sub maps($) {
		1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
		1765
		1766	my $files = aio_readdir playerdir $pl
		1767	or return;
		1768
		1769	my @paths;
		1770
		1771	for (@$files) {
		1772	utf8::decode $_;
		1773	next if /\.(?:pl|pst)$/;
		1774	next unless /^$PATH_SEP/o;
		1775
		1776	push @paths, cf::map::normalise "~$pl/$_";
		1777	}
		1778
		1779	\@paths
		1780	}
		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
		1786	=item $player->ext_reply ($msgid, @msg)
		1787
		1788	Sends an ext reply to the player.
		1789
		1790	=cut
		1791
		1792	sub ext_reply($$@) {
		1793	my ($self, $id, @msg) = @_;
		1794
		1795	$self->ns->ext_reply ($id, @msg)
		1796	}
		1797
		1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
1023		1811
1024	=over 4	1812	=over 4
1025		1813
1026	=item cf::player::exists $login
1027
1028	Returns true when the given account exists.
1029
1030	=cut	1814	=cut
1031		1815
1032	sub cf::player::exists($) {	1816	package cf::region;
1033	cf::player::find $_[0]
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1035	}
1036		1817
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1818	=item cf::region::find_by_path $path
1038		1819
1039	Sends an ext reply to the player.	1820	Tries to decuce the likely region for a map knowing only its path.
1040		1821
1041	=cut	1822	=cut
1042		1823
1043	sub cf::player::ext_reply($$$%) {	1824	sub find_by_path($) {
1044	my ($self, $id, %msg) = @_;	1825	my ($path) = @_;
1045		1826
1046	$msg{msgid} = $id;	1827	$path =~ s/^~[^\/]*//; # skip ~login
1047		1828
1048	$self->send ("ext " . to_json \%msg);	1829	my ($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
1049	}	1839	}
1050		1840
1051	=back	1841	=back
1052
1053		1842
1054	=head3 cf::map	1843	=head3 cf::map
1055		1844
1056	=over 4	1845	=over 4
1057		1846
…		…
1060	package cf::map;	1849	package cf::map;
1061		1850
1062	use Fcntl;	1851	use Fcntl;
1063	use Coro::AIO;	1852	use Coro::AIO;
1064		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1065	our $MAX_RESET = 7200;	1858	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1859	our $DEFAULT_RESET = 3000;
1067		1860
1068	sub generate_random_map {	1861	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1070		1865
1071	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1867	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1875	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1876	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1877	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1878	(cf::region::find $rmp->{region}), $rmp->{custom}
		1879	)
1085	}	1880	}
1086		1881
1087	# and all this just because we cannot iterate over	1882	=item cf::map->register ($regex, $prio)
1088	# all maps in C++...
1089	sub change_all_map_light {
1090	my ($change) = @_;
1091		1883
1092	$_->change_map_light ($change) for values %cf::MAP;	1884	Register a handler for the map path matching the given regex at the
1093	}	1885	givne priority (higher is better, built-in handlers have priority 0, the
		1886	default).
1094		1887
1095	sub try_load_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 {
1096	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) = @_;
1097		2025
1098	utf8::encode $path;	2026	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1100	or return;	2028	or return;
1101		2029
1102	my $map = cf::map::new	2030	$self->_load_header ($f)
1103	or return;	2031	or return;
1104		2032
1105	$map->load_header ($path)	2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
		2035
		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
1106	or return;	2079	or return;
		2080	$self->prepare_orig;
		2081	}
1107		2082
1108	$map->{load_path} = $path;	2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
1109		2085
1110	$map	2086	$self->default_region (cf::region::find_by_path $self->{path})
1111	}	2087	unless $self->default_region;
1112		2088
		2089	1
		2090	}
		2091
		2092	sub find;
1113	sub find_map {	2093	sub find {
1114	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1115		2095
1116	#warn "find_map<$path,$origin>\n";#d#	2096	cf::cede_to_tick;
1117		2097
1118	$path = new cf::path $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
		2101	my $guard2 = cf::lock_acquire "map_find:$path";
		2102
1121	$cf::MAP{$key} || do {	2103	$cf::MAP{$path} || do {
1122	# do it the slow way	2104	my $map = new_from_path cf::map $path
1123	my $map = try_load_header $path->save_path;
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	2105	or return;
1137		2106
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	2107	$map->{last_save} = $cf::RUNTIME;
1149		2108
1150	if ($map->should_reset) {	2109	$map->load_header
		2110	or return;
		2111
		2112	if ($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;
1151	$map->reset;	2117	$map->reset;
1152	$map = find_map $path;	2118	return find $path;
1153	}	2119	}
1154		2120
1155	$cf::MAP{$key} = $map	2121	$cf::MAP{$path} = $map
1156	}	2122	}
1157	}	2123	}
		2124
		2125	sub pre_load { }
		2126	#sub post_load { } # XS
1158		2127
1159	sub load {	2128	sub load {
1160	my ($self) = @_;	2129	my ($self) = @_;
1161		2130
1162	return if $self->in_memory != cf::MAP_SWAPPED;	2131	local $self->{deny_reset} = 1; # loading can take a long time
1163
1164	$self->in_memory (cf::MAP_LOADING);
1165		2132
1166	my $path = $self->{path};	2133	my $path = $self->{path};
1167		2134
		2135	{
		2136	my $guard = cf::lock_acquire "map_data:$path";
		2137
		2138	return unless $self->valid;
		2139	return unless $self->in_memory == cf::MAP_SWAPPED;
		2140
		2141	$self->in_memory (cf::MAP_LOADING);
		2142
1168	$self->alloc;	2143	$self->alloc;
1169	$self->load_objects ($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)
1170	or return;	2151	or return;
1171		2152
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1173	if delete $self->{load_original};	2154	if delete $self->{load_original};
1174		2155
1175	if (my $uniq = $path->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	2157	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1178	$self->clear_unique_items;	2160	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1180	}	2164	}
1181	}	2165	}
1182		2166
		2167	$f->resolve_delayed_derefs;
		2168
		2169	cf::cede_to_tick;
1183	# now do the right thing for maps	2170	# now do the right thing for maps
1184	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1185
1186	if ($self->{path}->is_style_map) {
1187	$self->{deny_save} = 1;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;
1193	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1195	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;
1196	$self->activate;	2181	$self->activate;
1197	}	2182	}
1198		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
1199	$self->in_memory (cf::MAP_IN_MEMORY);	2187	$self->in_memory (cf::MAP_ACTIVE);
1200	}	2188	}
1201		2189
1202	sub load_map_sync {	2190	$self->post_load;
		2191
		2192	1
		2193	}
		2194
		2195	# customize the map for a given player, i.e.
		2196	# return the _real_ map. used by e.g. per-player
		2197	# maps to change the path to ~playername/mappath
		2198	sub customise_for {
		2199	my ($self, $ob) = @_;
		2200
		2201	return find "~" . $ob->name . "/" . $self->{path}
		2202	if $self->per_player;
		2203
		2204	# return find "?party/" . $ob->name . "/" . $self->{path}
		2205	# if $self->per_party;
		2206
		2207	$self
		2208	}
		2209
		2210	# find and load all maps in the 3x3 area around a map
		2211	sub load_neighbours {
		2212	my ($map) = @_;
		2213
		2214	my @neigh; # diagonal neighbours
		2215
		2216	for (0 .. 3) {
		2217	my $neigh = $map->tile_path ($_)
		2218	or next;
		2219	$neigh = find $neigh, $map
		2220	or next;
		2221	$neigh->load;
		2222
		2223	# now find the diagonal neighbours
		2224	push @neigh,
		2225	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2226	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2227	}
		2228
		2229	for (grep defined $_->[0], @neigh) {
		2230	my ($path, $origin) = @$_;
		2231	my $neigh = find $path, $origin
		2232	or next;
		2233	$neigh->load;
		2234	}
		2235	}
		2236
		2237	sub find_sync {
1203	my ($path, $origin) = @_;	2238	my ($path, $origin) = @_;
1204		2239
1205	#warn "load_map_sync<$path, $origin>\n";#d#	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2241	if $Coro::current == $Coro::main;
1206		2242
1207	cf::sync_job {	2243	find $path, $origin
1208	my $map = cf::map::find_map $path, $origin	2244	}
1209	or return;	2245
		2246	sub do_load_sync {
		2247	my ($map) = @_;
		2248
		2249	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2250	if $Coro::current == $Coro::main;
		2251
1210	$map->load;	2252	$map->load;
1211	$map	2253	}
		2254
		2255	our %MAP_PREFETCH;
		2256	our $MAP_PREFETCHER = undef;
		2257
		2258	sub find_async {
		2259	my ($path, $origin, $load) = @_;
		2260
		2261	$path = normalise $path, $origin && $origin->{path};
		2262
		2263	if (my $map = $cf::MAP{$path}) {
		2264	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2265	}
		2266
		2267	$MAP_PREFETCH{$path} |= $load;
		2268
		2269	$MAP_PREFETCHER ||= cf::async {
		2270	$Coro::current->{desc} = "map prefetcher";
		2271
		2272	while (%MAP_PREFETCH) {
		2273	while (my ($k, $v) = each %MAP_PREFETCH) {
		2274	if (my $map = find $k) {
		2275	$map->load if $v;
		2276	}
		2277
		2278	delete $MAP_PREFETCH{$k};
		2279	}
		2280	}
		2281	undef $MAP_PREFETCHER;
		2282	};
		2283	$MAP_PREFETCHER->prio (6);
		2284
		2285	()
		2286	}
		2287
		2288	# common code, used by both ->save and ->swapout
		2289	sub _save {
		2290	my ($self) = @_;
		2291
		2292	$self->{last_save} = $cf::RUNTIME;
		2293
		2294	return unless $self->dirty;
		2295
		2296	my $save = $self->save_path; utf8::encode $save;
		2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2298
		2299	$self->{load_path} = $save;
		2300
		2301	return if $self->{deny_save};
		2302
		2303	local $self->{last_access} = $self->last_access;#d#
		2304
		2305	cf::async {
		2306	$Coro::current->{desc} = "map player save";
		2307	$_->contr->save for $self->players;
		2308	};
		2309
		2310	cf::get_slot 0.02;
		2311
		2312	if ($uniq) {
		2313	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2314	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2315	} else {
		2316	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1212	}	2317	}
1213	}	2318	}
1214		2319
1215	sub save {	2320	sub save {
1216	my ($self) = @_;	2321	my ($self) = @_;
1217		2322
1218	my $save = $self->{path}->save_path; utf8::encode $save;	2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		2324
1221	$self->{last_save} = $cf::RUNTIME;	2325	$self->_save;
1222
1223	return unless $self->dirty;
1224
1225	$self->{load_path} = $save;
1226
1227	return if $self->{deny_save};
1228
1229	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}
1235	}	2326	}
1236		2327
1237	sub swap_out {	2328	sub swap_out {
1238	my ($self) = @_;	2329	my ($self) = @_;
1239		2330
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
		2333	return if $self->in_memory != cf::MAP_ACTIVE;
		2334	return if $self->{deny_save};
1240	return if $self->players;	2335	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};
1243		2336
		2337	# first deactivate the map and "unlink" it from the core
		2338	$self->deactivate;
		2339	$_->clear_links_to ($self) for values %cf::MAP;
		2340	$self->in_memory (cf::MAP_SWAPPED);
		2341
		2342	# then atomically save
1244	$self->save;	2343	$self->_save;
		2344
		2345	# then free the map
1245	$self->clear;	2346	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);
1247	}	2347	}
1248		2348
1249	sub reset_at {	2349	sub reset_at {
1250	my ($self) = @_;	2350	my ($self) = @_;
1251		2351
1252	# TODO: safety, remove and allow resettable per-player maps	2352	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};
1254	return 1e99 if $self->{deny_reset};	2353	return 1e99 if $self->{deny_reset};
1255		2354
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2355	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2356	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		2357
…		…
1263	my ($self) = @_;	2362	my ($self) = @_;
1264		2363
1265	$self->reset_at <= $cf::RUNTIME	2364	$self->reset_at <= $cf::RUNTIME
1266	}	2365	}
1267		2366
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	2367	sub reset {
1290	my ($self) = @_;	2368	my ($self) = @_;
1291		2369
		2370	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2371
1292	return if $self->players;	2372	return if $self->players;
1293	return if $self->{path}{user_rel};#d#
1294		2373
1295	warn "resetting map ", $self->path;#d#	2374	cf::trace "resetting map ", $self->path, "\n";
		2375
		2376	$self->in_memory (cf::MAP_SWAPPED);
		2377
		2378	# need to save uniques path
		2379	unless ($self->{deny_save}) {
		2380	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2381
		2382	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2383	if $uniq;
		2384	}
1296		2385
1297	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1298		2387
		2388	$self->deactivate;
1299	$_->clear_links_to ($self) for values %cf::MAP;	2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->clear;
1300		2391
1301	$self->unlink_save;	2392	$self->unlink_save;
1302	$self->destroy;	2393	$self->destroy;
1303	}	2394	}
1304		2395
1305	my $nuke_counter = "aaaa";	2396	my $nuke_counter = "aaaa";
1306		2397
1307	sub nuke {	2398	sub nuke {
1308	my ($self) = @_;	2399	my ($self) = @_;
1309		2400
		2401	{
		2402	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2403
		2404	delete $cf::MAP{$self->path};
		2405
		2406	$self->unlink_save;
		2407
		2408	bless $self, "cf::map::wrap";
		2409	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	2410	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	2411	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	2412	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2413
		2414	$cf::MAP{$self->path} = $self;
		2415	}
		2416
1313	$self->reset; # polite request, might not happen	2417	$self->reset; # polite request, might not happen
1314	}	2418	}
1315		2419
1316	sub customise_for {	2420	=item $maps = cf::map::tmp_maps
1317	my ($map, $ob) = @_;
1318		2421
1319	if ($map->per_player) {	2422	Returns an arrayref with all map paths of currently instantiated and saved
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2423	maps. May block.
		2424
		2425	=cut
		2426
		2427	sub tmp_maps() {
1321	}	2428	[
1322		2429	map {
1323	$map	2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise $_
		2433	: ()
		2434	} @{ aio_readdir $TMPDIR or [] }
		2435	]
1324	}	2436	}
1325		2437
1326	sub emergency_save {	2438	=item $maps = cf::map::random_maps
1327	local $cf::FREEZE = 1;
1328		2439
1329	warn "enter emergency map save\n";	2440	Returns an arrayref with all map paths of currently instantiated and saved
		2441	random maps. May block.
1330		2442
1331	cf::sync_job {	2443	=cut
1332	warn "begin emergency map save\n";	2444
1333	$_->save for values %cf::MAP;	2445	sub random_maps() {
		2446	[
		2447	map {
		2448	utf8::decode $_;
		2449	/\.map$/
		2450	? normalise "?random/$_"
		2451	: ()
		2452	} @{ aio_readdir $RANDOMDIR or [] }
		2453	]
		2454	}
		2455
		2456	=item cf::map::unique_maps
		2457
		2458	Returns an arrayref of paths of all shared maps that have
		2459	instantiated unique items. May block.
		2460
		2461	=cut
		2462
		2463	sub unique_maps() {
		2464	[
		2465	map {
		2466	utf8::decode $_;
		2467	s/\.map$//; # TODO future compatibility hack
		2468	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2469	? ()
		2470	: normalise $_
		2471	} @{ aio_readdir $UNIQUEDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item cf::map::static_maps
		2476
		2477	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2478	file in the shared directory excluding F</styles> and F</editor>). May
		2479	block.
		2480
		2481	=cut
		2482
		2483	sub static_maps() {
		2484	my @dirs = "";
		2485	my @maps;
		2486
		2487	while (@dirs) {
		2488	my $dir = shift @dirs;
		2489
		2490	next if $dir eq "/styles" || $dir eq "/editor";
		2491
		2492	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2493	or return;
		2494
		2495	for (@$files) {
		2496	s/\.map$// or next;
		2497	utf8::decode $_;
		2498	push @maps, "$dir/$_";
		2499	}
		2500
		2501	push @dirs, map "$dir/$_", @$dirs;
1334	};	2502	}
1335		2503
1336	warn "end emergency map save\n";	2504	\@maps
		2505	}
		2506
		2507	=back
		2508
		2509	=head3 cf::object
		2510
		2511	=cut
		2512
		2513	package cf::object;
		2514
		2515	=over 4
		2516
		2517	=item $ob->inv_recursive
		2518
		2519	Returns the inventory of the object I<and> their inventories, recursively,
		2520	but I<not> the object itself.
		2521
		2522	=cut
		2523
		2524	sub inv_recursive_;
		2525	sub inv_recursive_ {
		2526	map { $_, inv_recursive_ $_->inv } @_
		2527	}
		2528
		2529	sub inv_recursive {
		2530	inv_recursive_ inv $_[0]
		2531	}
		2532
		2533	=item $ref = $ob->ref
		2534
		2535	Creates and returns a persistent reference to an object that can be stored as a string.
		2536
		2537	=item $ob = cf::object::deref ($refstring)
		2538
		2539	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2540	even if the object actually exists. May block.
		2541
		2542	=cut
		2543
		2544	sub deref {
		2545	my ($ref) = @_;
		2546
		2547	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2548	my ($uuid, $name) = ($1, $2);
		2549	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2550	or return;
		2551	$pl->ob->uuid eq $uuid
		2552	or return;
		2553
		2554	$pl->ob
		2555	} else {
		2556	warn "$ref: cannot resolve object reference\n";
		2557	undef
		2558	}
1337	}	2559	}
1338		2560
1339	package cf;	2561	package cf;
1340		2562
1341	=back	2563	=back
1342
1343		2564
1344	=head3 cf::object::player	2565	=head3 cf::object::player
1345		2566
1346	=over 4	2567	=over 4
1347		2568
…		…
1350	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2571	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1351	can be C<undef>. Does the right thing when the player is currently in a	2572	can be C<undef>. Does the right thing when the player is currently in a
1352	dialogue with the given NPC character.	2573	dialogue with the given NPC character.
1353		2574
1354	=cut	2575	=cut
		2576
		2577	our $SAY_CHANNEL = {
		2578	id => "say",
		2579	title => "Map",
		2580	reply => "say ",
		2581	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2582	};
		2583
		2584	our $CHAT_CHANNEL = {
		2585	id => "chat",
		2586	title => "Chat",
		2587	reply => "chat ",
		2588	tooltip => "Player chat and shouts, global to the server.",
		2589	};
1355		2590
1356	# rough implementation of a future "reply" method that works	2591	# rough implementation of a future "reply" method that works
1357	# with dialog boxes.	2592	# with dialog boxes.
1358	#TODO: the first argument must go, split into a $npc->reply_to ( method	2593	#TODO: the first argument must go, split into a $npc->reply_to ( method
1359	sub cf::object::player::reply($$$;$) {	2594	sub cf::object::player::reply($$$;$) {
…		…
1361		2596
1362	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2597	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1363		2598
1364	if ($self->{record_replies}) {	2599	if ($self->{record_replies}) {
1365	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2600	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2601
1366	} else {	2602	} else {
		2603	my $pl = $self->contr;
		2604
		2605	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2606	my $dialog = $pl->{npc_dialog};
		2607	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2608
		2609	} else {
1367	$msg = $npc->name . " says: $msg" if $npc;	2610	$msg = $npc->name . " says: $msg" if $npc;
1368	$self->message ($msg, $flags);	2611	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2612	}
1369	}	2613	}
		2614	}
		2615
		2616	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2617
		2618	=cut
		2619
		2620	sub cf::object::send_msg {
		2621	my $pl = shift->contr
		2622	or return;
		2623	$pl->send_msg (@_);
1370	}	2624	}
1371		2625
1372	=item $player_object->may ("access")	2626	=item $player_object->may ("access")
1373		2627
1374	Returns wether the given player is authorized to access resource "access"	2628	Returns wether the given player is authorized to access resource "access"
…		…
1387		2641
1388	=item $player_object->enter_link	2642	=item $player_object->enter_link
1389		2643
1390	Freezes the player and moves him/her to a special map (C<{link}>).	2644	Freezes the player and moves him/her to a special map (C<{link}>).
1391		2645
1392	The player should be reaosnably safe there for short amounts of time. You	2646	The player should be reasonably safe there for short amounts of time (e.g.
1393	I<MUST> call C<leave_link> as soon as possible, though.	2647	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2648	though, as the player cannot control the character while it is on the link
		2649	map.
		2650
		2651	Will never block.
1394		2652
1395	=item $player_object->leave_link ($map, $x, $y)	2653	=item $player_object->leave_link ($map, $x, $y)
1396		2654
1397	Moves the player out of the specila link map onto the given map. If the	2655	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	2656	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	2657	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	2658	fails, to the emergency map position.
1401		2659
1402	Might block.	2660	Might block.
1403		2661
1404	=cut	2662	=cut
		2663
		2664	sub link_map {
		2665	unless ($LINK_MAP) {
		2666	$LINK_MAP = cf::map::find "{link}"
		2667	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2668	$LINK_MAP->load;
		2669	}
		2670
		2671	$LINK_MAP
		2672	}
1405		2673
1406	sub cf::object::player::enter_link {	2674	sub cf::object::player::enter_link {
1407	my ($self) = @_;	2675	my ($self) = @_;
1408		2676
1409	return if $self->map == $LINK_MAP;
1410
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;
1413
1414	$self->enter_map ($LINK_MAP, 20, 20);
1415	$self->deactivate_recursive;	2677	$self->deactivate_recursive;
		2678
		2679	++$self->{_link_recursion};
		2680
		2681	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2682
		2683	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2684	if $self->map && $self->map->{path} ne "{link}";
		2685
		2686	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1416	}	2687	}
1417		2688
1418	sub cf::object::player::leave_link {	2689	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	2690	my ($self, $map, $x, $y) = @_;
		2691
		2692	return unless $self->contr->active;
1420		2693
1421	my $link_pos = delete $self->{_link_pos};	2694	my $link_pos = delete $self->{_link_pos};
1422		2695
1423	unless ($map) {	2696	unless ($map) {
1424	# restore original map position	2697	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	2698	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	2699	$map = cf::map::find $map;
1427		2700
1428	unless ($map) {	2701	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	2702	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	2703	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	2704	or die "FATAL: cannot load emergency map\n";
1432	}	2705	}
1433	}	2706	}
1434		2707
1435	($x, $y) = (-1, -1)	2708	($x, $y) = (-1, -1)
1436	unless (defined $x) && (defined $y);	2709	unless (defined $x) && (defined $y);
1437		2710
1438	# use -1 or undef as default coordinates, not 0, 0	2711	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	2712	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	2713	if $x <= 0 && $y <= 0;
1441		2714
1442	$map->load;	2715	$map->load;
		2716	$map->load_neighbours;
1443		2717
		2718	return unless $self->contr->active;
		2719
		2720	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2721	if ($self->enter_map ($map, $x, $y)) {
		2722	# entering was successful
		2723	delete $self->{_link_recursion};
		2724	# only activate afterwards, to support waiting in hooks
1444	$self->activate_recursive;	2725	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	2726	}
1446	}
1447		2727
1448	=item $player_object->goto_map ($map, $x, $y)	2728	}
1449		2729
1450	=cut	2730	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1451		2731
		2732	Moves the player to the given map-path and coordinates by first freezing
		2733	her, loading and preparing them map, calling the provided $check callback
		2734	that has to return the map if sucecssful, and then unfreezes the player on
		2735	the new (success) or old (failed) map position. In either case, $done will
		2736	be called at the end of this process.
		2737
		2738	Note that $check will be called with a potentially non-loaded map, so if
		2739	it needs a loaded map it has to call C<< ->load >>.
		2740
		2741	=cut
		2742
		2743	our $GOTOGEN;
		2744
1452	sub cf::object::player::goto_map {	2745	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	2746	my ($self, $path, $x, $y, $check, $done) = @_;
		2747
		2748	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2749	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2750	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2751	($path, $x, $y) = @$EMERGENCY_POSITION;
		2752	}
		2753
		2754	# do generation counting so two concurrent goto's will be executed in-order
		2755	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1454		2756
1455	$self->enter_link;	2757	$self->enter_link;
1456		2758
1457	(Coro::async {	2759	(async {
1458	$path = new cf::path $path;	2760	$Coro::current->{desc} = "player::goto $path $x $y";
1459		2761
1460	my $map = cf::map::find_map $path->as_string;	2762	# *tag paths override both path and x|y
		2763	if ($path =~ /^\*(.*)$/) {
		2764	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2765	my $ob = $obs[rand @obs];
		2766
		2767	# see if we actually can go there
		2768	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2769	$ob = $obs[rand @obs];
		2770	} else {
		2771	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2772	}
		2773	# else put us there anyways for now #d#
		2774
		2775	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2776	} else {
		2777	($path, $x, $y) = (undef, undef, undef);
		2778	}
		2779	}
		2780
		2781	my $map = eval {
		2782	my $map = defined $path ? cf::map::find $path : undef;
		2783
		2784	if ($map) {
1461	$map = $map->customise_for ($self) if $map;	2785	$map = $map->customise_for ($self);
		2786	$map = $check->($map, $x, $y, $self) if $check && $map;
		2787	} else {
		2788	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2789	}
1462		2790
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	2791	$map
		2792	};
1465		2793
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2794	if ($@) {
		2795	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2796	LOG llevError | logBacktrace, Carp::longmess $@;
		2797	}
1467		2798
		2799	if ($gen == $self->{_goto_generation}) {
		2800	delete $self->{_goto_generation};
1468	$self->leave_link ($map, $x, $y);	2801	$self->leave_link ($map, $x, $y);
		2802	}
		2803
		2804	$done->($self) if $done;
1469	})->prio (1);	2805	})->prio (1);
1470	}	2806	}
1471		2807
1472	=item $player_object->enter_exit ($exit_object)	2808	=item $player_object->enter_exit ($exit_object)
1473		2809
…		…
1475		2811
1476	sub parse_random_map_params {	2812	sub parse_random_map_params {
1477	my ($spec) = @_;	2813	my ($spec) = @_;
1478		2814
1479	my $rmp = { # defaults	2815	my $rmp = { # defaults
1480	xsize => 10,	2816	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	2817	ysize => (cf::rndm 15, 40),
		2818	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2819	#layout => string,
1482	};	2820	};
1483		2821
1484	for (split /\n/, $spec) {	2822	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	2823	my ($k, $v) = split /\s+/, $_, 2;
1486		2824
…		…
1498	# that depends on the exit object	2836	# that depends on the exit object
1499		2837
1500	my $rmp = parse_random_map_params $exit->msg;	2838	my $rmp = parse_random_map_params $exit->msg;
1501		2839
1502	if ($exit->map) {	2840	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	2841	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	2842	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	2843	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	2844	$rmp->{origin_y} = $exit->y;
		2845
		2846	$exit->map->touch;
1507	}	2847	}
1508		2848
1509	$rmp->{random_seed} ||= $exit->random_seed;	2849	$rmp->{random_seed} ||= $exit->random_seed;
1510		2850
1511	my $data = cf::to_json $rmp;	2851	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1512	my $md5 = Digest::MD5::md5_hex $data;	2852	my $md5 = Digest::MD5::md5_hex $data;
		2853	my $meta = "$RANDOMDIR/$md5.meta";
1513		2854
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2855	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	2856	aio_write $fh, 0, (length $data), $data, 0;
		2857	undef $fh;
		2858	aio_rename "$meta~", $meta;
1516		2859
		2860	my $slaying = "?random/$md5";
		2861
		2862	if ($exit->valid) {
1517	$exit->slaying ("?random/$md5");	2863	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	2864	$exit->msg (undef);
		2865	}
1519	}	2866	}
1520	}	2867	}
1521		2868
1522	sub cf::object::player::enter_exit {	2869	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	2870	my ($self, $exit) = @_;
1524		2871
1525	return unless $self->type == cf::PLAYER;	2872	return unless $self->type == cf::PLAYER;
1526		2873
1527	$self->enter_link;	2874	$self->enter_link;
1528		2875
1529	(Coro::async {	2876	(async {
		2877	$Coro::current->{desc} = "enter_exit";
		2878
1530	unless (eval {	2879	unless (eval {
		2880	$self->deactivate_recursive; # just to be sure
1531		2881
		2882	# random map handling
		2883	{
		2884	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2885
1532	prepare_random_map $exit	2886	prepare_random_map $exit
1533	if $exit->slaying eq "/!";	2887	if $exit->slaying eq "/!";
		2888	}
1534		2889
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2890	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2891	my $x = $exit->stats->hp;
		2892	my $y = $exit->stats->sp;
1537		2893
		2894	$self->goto ($map, $x, $y);
		2895
		2896	# if exit is damned, update players death & WoR home-position
		2897	$self->contr->savebed ($map, $x, $y)
		2898	if $exit->flag (cf::FLAG_DAMNED);
		2899
1538	1;	2900	1
1539	}) {	2901	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	2902	$self->message ("Something went wrong deep within the deliantra server. "
1541	. "I'll try to bring you back to the map you were before. "	2903	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	2904	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	2905	cf::NDI_UNIQUE | cf::NDI_RED);
1544		2906
1545	warn "ERROR in enter_exit: $@";	2907	error "ERROR in enter_exit: $@";
1546	$self->leave_link;	2908	$self->leave_link;
1547	}	2909	}
1548	})->prio (1);	2910	})->prio (1);
1549	}	2911	}
1550		2912
…		…
1561		2923
1562	sub cf::client::send_drawinfo {	2924	sub cf::client::send_drawinfo {
1563	my ($self, $text, $flags) = @_;	2925	my ($self, $text, $flags) = @_;
1564		2926
1565	utf8::encode $text;	2927	utf8::encode $text;
1566	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2928	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1567	}	2929	}
1568		2930
		2931	=item $client->send_big_packet ($pkt)
		2932
		2933	Like C<send_packet>, but tries to compress large packets, and fragments
		2934	them as required.
		2935
		2936	=cut
		2937
		2938	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2939
		2940	sub cf::client::send_big_packet {
		2941	my ($self, $pkt) = @_;
		2942
		2943	# try lzf for large packets
		2944	$pkt = "lzf " . Compress::LZF::compress $pkt
		2945	if 1024 <= length $pkt and $self->{can_lzf};
		2946
		2947	# split very large packets
		2948	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2949	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2950	$pkt = "frag";
		2951	}
		2952
		2953	$self->send_packet ($pkt);
		2954	}
		2955
		2956	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2957
		2958	Send a drawinfo or msg packet to the client, formatting the msg for the
		2959	client if neccessary. C<$type> should be a string identifying the type of
		2960	the message, with C<log> being the default. If C<$color> is negative, suppress
		2961	the message unless the client supports the msg packet.
		2962
		2963	=cut
		2964
		2965	# non-persistent channels (usually the info channel)
		2966	our %CHANNEL = (
		2967	"c/motd" => {
		2968	id => "infobox",
		2969	title => "MOTD",
		2970	reply => undef,
		2971	tooltip => "The message of the day",
		2972	},
		2973	"c/identify" => {
		2974	id => "infobox",
		2975	title => "Identify",
		2976	reply => undef,
		2977	tooltip => "Items recently identified",
		2978	},
		2979	"c/examine" => {
		2980	id => "infobox",
		2981	title => "Examine",
		2982	reply => undef,
		2983	tooltip => "Signs and other items you examined",
		2984	},
		2985	"c/shopinfo" => {
		2986	id => "infobox",
		2987	title => "Shop Info",
		2988	reply => undef,
		2989	tooltip => "What your bargaining skill tells you about the shop",
		2990	},
		2991	"c/book" => {
		2992	id => "infobox",
		2993	title => "Book",
		2994	reply => undef,
		2995	tooltip => "The contents of a note or book",
		2996	},
		2997	"c/lookat" => {
		2998	id => "infobox",
		2999	title => "Look",
		3000	reply => undef,
		3001	tooltip => "What you saw there",
		3002	},
		3003	"c/who" => {
		3004	id => "infobox",
		3005	title => "Players",
		3006	reply => undef,
		3007	tooltip => "Shows players who are currently online",
		3008	},
		3009	"c/body" => {
		3010	id => "infobox",
		3011	title => "Body Parts",
		3012	reply => undef,
		3013	tooltip => "Shows which body parts you posess and are available",
		3014	},
		3015	"c/statistics" => {
		3016	id => "infobox",
		3017	title => "Statistics",
		3018	reply => undef,
		3019	tooltip => "Shows your primary statistics",
		3020	},
		3021	"c/skills" => {
		3022	id => "infobox",
		3023	title => "Skills",
		3024	reply => undef,
		3025	tooltip => "Shows your experience per skill and item power",
		3026	},
		3027	"c/shopitems" => {
		3028	id => "infobox",
		3029	title => "Shop Items",
		3030	reply => undef,
		3031	tooltip => "Shows the items currently for sale in this shop",
		3032	},
		3033	"c/resistances" => {
		3034	id => "infobox",
		3035	title => "Resistances",
		3036	reply => undef,
		3037	tooltip => "Shows your resistances",
		3038	},
		3039	"c/pets" => {
		3040	id => "infobox",
		3041	title => "Pets",
		3042	reply => undef,
		3043	tooltip => "Shows information abotu your pets/a specific pet",
		3044	},
		3045	"c/perceiveself" => {
		3046	id => "infobox",
		3047	title => "Perceive Self",
		3048	reply => undef,
		3049	tooltip => "You gained detailed knowledge about yourself",
		3050	},
		3051	"c/uptime" => {
		3052	id => "infobox",
		3053	title => "Uptime",
		3054	reply => undef,
		3055	tooltip => "How long the server has been running since last restart",
		3056	},
		3057	"c/mapinfo" => {
		3058	id => "infobox",
		3059	title => "Map Info",
		3060	reply => undef,
		3061	tooltip => "Information related to the maps",
		3062	},
		3063	"c/party" => {
		3064	id => "party",
		3065	title => "Party",
		3066	reply => "gsay ",
		3067	tooltip => "Messages and chat related to your party",
		3068	},
		3069	"c/death" => {
		3070	id => "death",
		3071	title => "Death",
		3072	reply => undef,
		3073	tooltip => "Reason for and more info about your most recent death",
		3074	},
		3075	"c/say" => $SAY_CHANNEL,
		3076	"c/chat" => $CHAT_CHANNEL,
		3077	);
		3078
		3079	sub cf::client::send_msg {
		3080	my ($self, $channel, $msg, $color, @extra) = @_;
		3081
		3082	$msg = $self->pl->expand_cfpod ($msg)
		3083	unless $color & cf::NDI_VERBATIM;
		3084
		3085	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3086
		3087	# check predefined channels, for the benefit of C
		3088	if ($CHANNEL{$channel}) {
		3089	$channel = $CHANNEL{$channel};
		3090
		3091	$self->ext_msg (channel_info => $channel);
		3092	$channel = $channel->{id};
		3093
		3094	} elsif (ref $channel) {
		3095	# send meta info to client, if not yet sent
		3096	unless (exists $self->{channel}{$channel->{id}}) {
		3097	$self->{channel}{$channel->{id}} = $channel;
		3098	$self->ext_msg (channel_info => $channel);
		3099	}
		3100
		3101	$channel = $channel->{id};
		3102	}
		3103
		3104	return unless @extra || length $msg;
		3105
		3106	# default colour, mask it out
		3107	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3108	if $color & cf::NDI_DEF;
		3109
		3110	my $pkt = "msg "
		3111	. $self->{json_coder}->encode (
		3112	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3113	);
		3114
		3115	$self->send_big_packet ($pkt);
		3116	}
		3117
		3118	=item $client->ext_msg ($type, @msg)
		3119
		3120	Sends an ext event to the client.
		3121
		3122	=cut
		3123
		3124	sub cf::client::ext_msg($$@) {
		3125	my ($self, $type, @msg) = @_;
		3126
		3127	if ($self->extcmd == 2) {
		3128	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3129	} elsif ($self->extcmd == 1) { # TODO: remove
		3130	push @msg, msgtype => "event_$type";
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
		3134
		3135	=item $client->ext_reply ($msgid, @msg)
		3136
		3137	Sends an ext reply to the client.
		3138
		3139	=cut
		3140
		3141	sub cf::client::ext_reply($$@) {
		3142	my ($self, $id, @msg) = @_;
		3143
		3144	if ($self->extcmd == 2) {
		3145	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3146	} elsif ($self->extcmd == 1) {
		3147	#TODO: version 1, remove
		3148	unshift @msg, msgtype => "reply", msgid => $id;
		3149	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3150	}
		3151	}
1569		3152
1570	=item $success = $client->query ($flags, "text", \&cb)	3153	=item $success = $client->query ($flags, "text", \&cb)
1571		3154
1572	Queues a query to the client, calling the given callback with	3155	Queues a query to the client, calling the given callback with
1573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3156	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3157	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1575		3158
1576	Queries can fail, so check the return code. Or don't, as queries will become	3159	Queries can fail, so check the return code. Or don't, as queries will
1577	reliable at some point in the future.	3160	become reliable at some point in the future.
1578		3161
1579	=cut	3162	=cut
1580		3163
1581	sub cf::client::query {	3164	sub cf::client::query {
1582	my ($self, $flags, $text, $cb) = @_;	3165	my ($self, $flags, $text, $cb) = @_;
…		…
1590	utf8::encode $text;	3173	utf8::encode $text;
1591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3174	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1592		3175
1593	$self->send_packet ($self->{query_queue}[0][0])	3176	$self->send_packet ($self->{query_queue}[0][0])
1594	if @{ $self->{query_queue} } == 1;	3177	if @{ $self->{query_queue} } == 1;
		3178
		3179	1
1595	}	3180	}
1596		3181
1597	cf::client->attach (	3182	cf::client->attach (
		3183	on_connect => sub {
		3184	my ($ns) = @_;
		3185
		3186	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3187	},
1598	on_reply => sub {	3188	on_reply => sub {
1599	my ($ns, $msg) = @_;	3189	my ($ns, $msg) = @_;
1600		3190
1601	# this weird shuffling is so that direct followup queries	3191	# this weird shuffling is so that direct followup queries
1602	# get handled first	3192	# get handled first
1603	my $queue = delete $ns->{query_queue};	3193	my $queue = delete $ns->{query_queue}
		3194	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		3195
1605	(shift @$queue)->[1]->($msg);	3196	(shift @$queue)->[1]->($msg);
		3197	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1606		3198
1607	push @{ $ns->{query_queue} }, @$queue;	3199	push @{ $ns->{query_queue} }, @$queue;
1608		3200
1609	if (@{ $ns->{query_queue} } == @$queue) {	3201	if (@{ $ns->{query_queue} } == @$queue) {
1610	if (@$queue) {	3202	if (@$queue) {
…		…
1612	} else {	3204	} else {
1613	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3205	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1614	}	3206	}
1615	}	3207	}
1616	},	3208	},
		3209	on_exticmd => sub {
		3210	my ($ns, $buf) = @_;
		3211
		3212	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3213
		3214	if (ref $msg) {
		3215	my ($type, $reply, @payload) =
		3216	"ARRAY" eq ref $msg
		3217	? @$msg
		3218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3219
		3220	my @reply;
		3221
		3222	if (my $cb = $EXTICMD{$type}) {
		3223	@reply = $cb->($ns, @payload);
		3224	}
		3225
		3226	$ns->ext_reply ($reply, @reply)
		3227	if $reply;
		3228
		3229	} else {
		3230	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3231	}
		3232
		3233	cf::override;
		3234	},
1617	);	3235	);
1618		3236
1619	=item $client->coro (\&cb)	3237	=item $client->async (\&cb)
1620		3238
1621	Create a new coroutine, running the specified callback. The coroutine will	3239	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	3240	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	3241	or loss of connection).
1624		3242
1625	=cut	3243	=cut
1626		3244
1627	sub cf::client::coro {	3245	sub cf::client::async {
1628	my ($self, $cb) = @_;	3246	my ($self, $cb) = @_;
1629		3247
1630	my $coro; $coro = async {	3248	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		3249
1637	$coro->on_destroy (sub {	3250	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	3251	delete $self->{_coro}{$coro+0};
1639	});	3252	});
1640		3253
…		…
1642		3255
1643	$coro	3256	$coro
1644	}	3257	}
1645		3258
1646	cf::client->attach (	3259	cf::client->attach (
1647	on_destroy => sub {	3260	on_client_destroy => sub {
1648	my ($ns) = @_;	3261	my ($ns) = @_;
1649		3262
1650	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1651	},	3264	},
1652	);	3265	);
…		…
1667	our $safe = new Safe "safe";	3280	our $safe = new Safe "safe";
1668	our $safe_hole = new Safe::Hole;	3281	our $safe_hole = new Safe::Hole;
1669		3282
1670	$SIG{FPE} = 'IGNORE';	3283	$SIG{FPE} = 'IGNORE';
1671		3284
1672	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3285	$safe->permit_only (Opcode::opset qw(
		3286	:base_core :base_mem :base_orig :base_math :base_loop
		3287	grepstart grepwhile mapstart mapwhile
		3288	sort time
		3289	));
1673		3290
1674	# here we export the classes and methods available to script code	3291	# here we export the classes and methods available to script code
1675		3292
1676	=pod	3293	=pod
1677		3294
1678	The following fucntions and emthods are available within a safe environment:	3295	The following functions and methods are available within a safe environment:
1679		3296
1680	cf::object contr pay_amount pay_player map	3297	cf::object
		3298	contr pay_amount pay_player map x y force_find force_add destroy
		3299	insert remove name archname title slaying race decrease split
		3300	value
		3301
1681	cf::object::player player	3302	cf::object::player
1682	cf::player peaceful	3303	player
1683	cf::map trigger	3304
		3305	cf::player
		3306	peaceful
		3307
		3308	cf::map
		3309	trigger
1684		3310
1685	=cut	3311	=cut
1686		3312
1687	for (	3313	for (
1688	["cf::object" => qw(contr pay_amount pay_player map)],	3314	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3315	insert remove inv nrof name archname title slaying race
		3316	decrease split destroy change_exp value msg lore send_msg)],
1689	["cf::object::player" => qw(player)],	3317	["cf::object::player" => qw(player)],
1690	["cf::player" => qw(peaceful)],	3318	["cf::player" => qw(peaceful send_msg)],
1691	["cf::map" => qw(trigger)],	3319	["cf::map" => qw(trigger)],
1692	) {	3320	) {
1693	no strict 'refs';
1694	my ($pkg, @funs) = @$_;	3321	my ($pkg, @funs) = @$_;
1695	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3322	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1696	for @funs;	3323	for @funs;
1697	}	3324	}
1698		3325
…		…
1713		3340
1714	my $qcode = $code;	3341	my $qcode = $code;
1715	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3342	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1716	$qcode =~ s/\n/\\n/g;	3343	$qcode =~ s/\n/\\n/g;
1717		3344
		3345	%vars = (_dummy => 0) unless %vars;
		3346
		3347	my @res;
1718	local $_;	3348	local $_;
1719	local @safe::cf::_safe_eval_args = values %vars;
1720		3349
1721	my $eval =	3350	my $eval =
1722	"do {\n"	3351	"do {\n"
1723	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3352	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1724	. "#line 0 \"{$qcode}\"\n"	3353	. "#line 0 \"{$qcode}\"\n"
1725	. $code	3354	. $code
1726	. "\n}"	3355	. "\n}"
1727	;	3356	;
1728		3357
		3358	if ($CFG{safe_eval}) {
1729	sub_generation_inc;	3359	sub_generation_inc;
		3360	local @safe::cf::_safe_eval_args = values %vars;
1730	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3361	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1731	sub_generation_inc;	3362	sub_generation_inc;
		3363	} else {
		3364	local @cf::_safe_eval_args = values %vars;
		3365	@res = wantarray ? eval eval : scalar eval $eval;
		3366	}
1732		3367
1733	if ($@) {	3368	if ($@) {
1734	warn "$@";	3369	warn "$@",
1735	warn "while executing safe code '$code'\n";	3370	"while executing safe code '$code'\n",
1736	warn "with arguments " . (join " ", %vars) . "\n";	3371	"with arguments " . (join " ", %vars) . "\n";
1737	}	3372	}
1738		3373
1739	wantarray ? @res : $res[0]	3374	wantarray ? @res : $res[0]
1740	}	3375	}
1741		3376
…		…
1755	=cut	3390	=cut
1756		3391
1757	sub register_script_function {	3392	sub register_script_function {
1758	my ($fun, $cb) = @_;	3393	my ($fun, $cb) = @_;
1759		3394
1760	no strict 'refs';	3395	$fun = "safe::$fun" if $CFG{safe_eval};
1761	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3396	*$fun = $safe_hole->wrap ($cb);
1762	}	3397	}
1763		3398
1764	=back	3399	=back
1765		3400
1766	=cut	3401	=cut
1767		3402
1768	#############################################################################	3403	#############################################################################
		3404	# the server's init and main functions
1769		3405
1770	=head2 EXTENSION DATABASE SUPPORT	3406	sub load_facedata($) {
		3407	my ($path) = @_;
1771		3408
1772	Crossfire maintains a very simple database for extension use. It can	3409	# HACK to clear player env face cache, we need some signal framework
1773	currently store anything that can be serialised using Storable, which	3410	# for this (global event?)
1774	excludes objects.	3411	%ext::player_env::MUSIC_FACE_CACHE = ();
1775		3412
1776	The parameter C<$family> should best start with the name of the extension	3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1777	using it, it should be unique.
1778		3414
1779	=over 4	3415	trace "loading facedata from $path\n";
1780		3416
1781	=item $hashref = cf::db_get $family	3417	0 < aio_load $path, my $facedata
		3418	or die "$path: $!";
1782		3419
1783	Return a hashref for use by the extension C<$family>, which can be	3420	$facedata = Coro::Storable::thaw $facedata;
1784	modified. After modifications, you have to call C<cf::db_dirty> or
1785	C<cf::db_sync>.
1786		3421
1787	=item $value = cf::db_get $family => $key	3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
1788		3424
1789	Returns a single value from the database	3425	# patch in the exptable
1790		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1791	=item cf::db_put $family => $hashref	3427	$facedata->{resource}{"res/exp_table"} = {
1792		3428	type => FT_RSRC,
1793	Stores the given family hashref into the database. Updates are delayed, if	3429	data => $exp_table,
1794	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3430	hash => (Digest::MD5::md5 $exp_table),
1795
1796	=item cf::db_put $family => $key => $value
1797
1798	Stores the given C<$value> in the family hash. Updates are delayed, if you
1799	want the data to be synced to disk immediately, use C<cf::db_sync>.
1800
1801	=item cf::db_dirty
1802
1803	Marks the database as dirty, to be updated at a later time.
1804
1805	=item cf::db_sync
1806
1807	Immediately write the database to disk I<if it is dirty>.
1808
1809	=cut
1810
1811	our $DB;
1812
1813	{
1814	my $path = cf::localdir . "/database.pst";
1815
1816	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };
1819	}
1820
1821	my $pid;
1822
1823	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;
1830	cf::_exit 0 if defined $pid;
1831	}
1832	}
1833
1834	my $dirty;
1835
1836	sub db_sync() {
1837	db_save if $dirty;
1838	undef $dirty;
1839	}
1840
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1842	db_sync;
1843	});	3431	};
		3432	cf::cede_to_tick;
1844		3433
1845	sub db_dirty() {
1846	$dirty = 1;
1847	$idle->start;
1848	}	3434	{
		3435	my $faces = $facedata->{faceinfo};
1849		3436
1850	sub db_get($;$) {	3437	while (my ($face, $info) = each %$faces) {
1851	@_ >= 2	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1852	? $DB->{$_[0]}{$_[1]}
1853	: ($DB->{$_[0]} ||= { })
1854	}
1855		3439
1856	sub db_put($$;$) {	3440	cf::face::set_visibility $idx, $info->{visibility};
1857	if (@_ >= 3) {	3441	cf::face::set_magicmap $idx, $info->{magicmap};
1858	$DB->{$_[0]}{$_[1]} = $_[2];	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1859	} else {	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1860	$DB->{$_[0]} = $_[1];
1861	}
1862	db_dirty;
1863	}
1864		3444
1865	cf::global->attach (	3445	cf::cede_to_tick;
1866	prio => 10000,
1867	on_cleanup => sub {
1868	db_sync;
1869	},	3446	}
1870	);
1871	}
1872		3447
1873	#############################################################################	3448	while (my ($face, $info) = each %$faces) {
1874	# the server's main()	3449	next unless $info->{smooth};
1875		3450
1876	sub cfg_load {	3451	my $idx = cf::face::find $face
1877	open my $fh, "<:utf8", cf::confdir . "/config"	3452	or next;
1878	or return;
1879		3453
1880	local $/;	3454	if (my $smooth = cf::face::find $info->{smooth}) {
1881	*CFG = YAML::Syck::Load <$fh>;	3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
		3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_exp_table;
		3572	reload_materials;
		3573	reload_facedata;
		3574	reload_sound;
		3575	reload_archetypes;
		3576	reload_regions;
		3577	reload_treasures;
		3578
		3579	trace "finished reloading resource files\n";
		3580	}
		3581
		3582	sub reload_config {
		3583	trace "reloading config file...\n";
		3584
		3585	0 < aio_load "$CONFDIR/config", my $config
		3586	or die "$CONFDIR/config: $!";
		3587
		3588	utf8::decode $config;
		3589	*CFG = yaml_load $config;
		3590
		3591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3592
		3593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3595
		3596	if (exists $CFG{mlockall}) {
		3597	eval {
		3598	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3599	and die "WARNING: m(un)lockall failed: $!\n";
		3600	};
		3601	warn $@ if $@;
		3602	}
		3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
1882	}	3631	}
1883		3632
1884	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
1885	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	3646	(async {
1889	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
1890	})->();	3648	EV::loop EV::LOOP_ONESHOT;
		3649	})->prio (Coro::PRIO_MAX);
1891	};	3650	};
1892		3651
1893	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
1894	db_load;	3653
		3654	cf::sync_job {
		3655	cf::incloader::init ();
		3656
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662
		3663	reload_resources;
		3664	reload_config;
		3665	db_init;
		3666
		3667	cf::init_uuid;
		3668	cf::init_signals;
		3669	cf::init_skills;
		3670
		3671	cf::init_beforeplay;
		3672
		3673	atomic;
		3674
1895	load_extensions;	3675	load_extensions;
1896	Event::loop;	3676
		3677	utime time, time, $RUNTIMEFILE;
		3678
		3679	# no (long-running) fork's whatsoever before this point(!)
		3680	use POSIX ();
		3681	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3682
		3683	cf::_post_init 0;
		3684	};
		3685
		3686	cf::object::thawer::errors_are_fatal 0;
		3687	info "parse errors in files are no longer fatal from this point on.\n";
		3688
		3689	my $free_main; $free_main = EV::idle sub {
		3690	undef $free_main;
		3691	undef &main; # free gobs of memory :)
		3692	};
		3693
		3694	goto &main_loop;
1897	}	3695	}
1898		3696
1899	#############################################################################	3697	#############################################################################
1900	# initialisation	3698	# initialisation and cleanup
1901		3699
		3700	# install some emergency cleanup handlers
		3701	BEGIN {
		3702	our %SIGWATCHER = ();
		3703	for my $signal (qw(INT HUP TERM)) {
		3704	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3705	cf::cleanup "SIG$signal";
		3706	};
		3707	}
		3708	}
		3709
		3710	sub write_runtime_sync {
		3711	my $t0 = AE::time;
		3712
		3713	# first touch the runtime file to show we are still running:
		3714	# the fsync below can take a very very long time.
		3715
		3716	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3717
		3718	my $guard = cf::lock_acquire "write_runtime";
		3719
		3720	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3721	or return;
		3722
		3723	my $value = $cf::RUNTIME + 90 + 10;
		3724	# 10 is the runtime save interval, for a monotonic clock
		3725	# 60 allows for the watchdog to kill the server.
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	# touch it again to show we are up-to-date
		3735	aio_utime $fh, undef, undef;
		3736
		3737	close $fh
		3738	or return;
		3739
		3740	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3741	and return;
		3742
		3743	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3744
		3745	1
		3746	}
		3747
		3748	our $uuid_lock;
		3749	our $uuid_skip;
		3750
		3751	sub write_uuid_sync($) {
		3752	$uuid_skip ||= $_[0];
		3753
		3754	return if $uuid_lock;
		3755	local $uuid_lock = 1;
		3756
		3757	my $uuid = "$LOCALDIR/uuid";
		3758
		3759	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3760	or return;
		3761
		3762	my $value = uuid_seq uuid_cur;
		3763
		3764	unless ($value) {
		3765	info "cowardly refusing to write zero uuid value!\n";
		3766	return;
		3767	}
		3768
		3769	my $value = uuid_str $value + $uuid_skip;
		3770	$uuid_skip = 0;
		3771
		3772	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3773	and return;
		3774
		3775	# always fsync - this file is important
		3776	aio_fsync $fh
		3777	and return;
		3778
		3779	close $fh
		3780	or return;
		3781
		3782	aio_rename "$uuid~", $uuid
		3783	and return;
		3784
		3785	trace "uuid file written ($value).\n";
		3786
		3787	1
		3788
		3789	}
		3790
		3791	sub write_uuid($$) {
		3792	my ($skip, $sync) = @_;
		3793
		3794	$sync ? write_uuid_sync $skip
		3795	: async { write_uuid_sync $skip };
		3796	}
		3797
		3798	sub emergency_save() {
		3799	my $freeze_guard = cf::freeze_mainloop;
		3800
		3801	info "emergency_perl_save: enter\n";
		3802
		3803	# this is a trade-off: we want to be very quick here, so
		3804	# save all maps without fsync, and later call a global sync
		3805	# (which in turn might be very very slow)
		3806	local $USE_FSYNC = 0;
		3807
		3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
		3810
		3811	# use a peculiar iteration method to avoid tripping on perl
		3812	# refcount bugs in for. also avoids problems with players
		3813	# and maps saved/destroyed asynchronously.
		3814	info "emergency_perl_save: begin player save\n";
		3815	for my $login (keys %cf::PLAYER) {
		3816	my $pl = $cf::PLAYER{$login} or next;
		3817	$pl->valid or next;
		3818	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3819	$pl->save;
		3820	}
		3821	info "emergency_perl_save: end player save\n";
		3822
		3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin map save\n";
		3826	for my $path (keys %cf::MAP) {
		3827	my $map = $cf::MAP{$path} or next;
		3828	$map->valid or next;
		3829	$map->save;
		3830	}
		3831	info "emergency_perl_save: end map save\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	info "emergency_perl_save: begin database checkpoint\n";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837	info "emergency_perl_save: end database checkpoint\n";
		3838
		3839	info "emergency_perl_save: begin write uuid\n";
		3840	write_uuid_sync 1;
		3841	info "emergency_perl_save: end write uuid\n";
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: syncing database to disk";
		3846	BDB::db_env_txn_checkpoint $DB_ENV;
		3847
		3848	info "emergency_perl_save: starting sync\n";
		3849	IO::AIO::aio_sync sub {
		3850	info "emergency_perl_save: finished sync\n";
		3851	};
		3852
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
		3855	trace "emergency_perl_save: flushing outstanding aio requests";
		3856	while (IO::AIO::nreqs || BDB::nreqs) {
		3857	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3858	}
		3859
		3860	cf::write_runtime_sync; # external watchdog should not bark
		3861	};
		3862
		3863	info "emergency_perl_save: leave\n";
		3864	}
		3865
		3866	sub post_cleanup {
		3867	my ($make_core) = @_;
		3868
		3869	IO::AIO::flush;
		3870
		3871	error Carp::longmess "post_cleanup backtrace"
		3872	if $make_core;
		3873
		3874	my $fh = pidfile;
		3875	unlink $PIDFILE if <$fh> == $$;
		3876	}
		3877
		3878	# a safer delete_package, copied from Symbol
		3879	sub clear_package($) {
		3880	my $pkg = shift;
		3881
		3882	# expand to full symbol table name if needed
		3883	unless ($pkg =~ /^main::.*::$/) {
		3884	$pkg = "main$pkg" if $pkg =~ /^::/;
		3885	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3886	$pkg .= '::' unless $pkg =~ /::$/;
		3887	}
		3888
		3889	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3890	my $stem_symtab = *{$stem}{HASH};
		3891
		3892	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3893	or return;
		3894
		3895	# clear all symbols
		3896	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3897	for my $name (keys %$leaf_symtab) {
		3898	_gv_clear *{"$pkg$name"};
		3899	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3900	}
		3901	}
		3902
1902	sub reload() {	3903	sub do_reload_perl() {
1903	# can/must only be called in main	3904	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	3905	unless (in_main) {
1905	warn "can only reload from main coroutine\n";	3906	error "can only reload from main coroutine";
1906	return;	3907	return;
1907	}	3908	}
1908		3909
1909	warn "reloading...";	3910	return if $RELOAD++;
1910		3911
1911	local $FREEZE = 1;	3912	my $t1 = AE::time;
		3913
		3914	while ($RELOAD) {
		3915	cf::get_slot 0.1, -1, "reload_perl";
		3916	info "perl_reload: reloading...";
		3917
		3918	trace "perl_reload: entering sync_job";
		3919
		3920	cf::sync_job {
1912	cf::emergency_save;	3921	#cf::emergency_save;
1913		3922
1914	eval {	3923	trace "perl_reload: cancelling all extension coros";
1915	# if anything goes wrong in here, we should simply crash as we already saved
1916
1917	# cancel all watchers
1918	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}
1921
1922	# cancel all extension coros
1923	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	3925	%EXT_CORO = ();
1925		3926
1926	# unload all extensions	3927	trace "perl_reload: removing commands";
1927	for (@exts) {	3928	%COMMAND = ();
1928	warn "unloading <$_>";
1929	unload_extension $_;
1930	}
1931		3929
1932	# unload all modules loaded from $LIBDIR	3930	trace "perl_reload: removing ext/exti commands";
1933	while (my ($k, $v) = each %INC) {	3931	%EXTCMD = ();
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3932	%EXTICMD = ();
1935		3933
1936	warn "removing <$k>";	3934	trace "perl_reload: unloading/nuking all extensions";
1937	delete $INC{$k};	3935	for my $pkg (@EXTS) {
		3936	trace "... unloading $pkg";
1938		3937
1939	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;
1941
1942	if (my $cb = $k->can ("unload_module")) {	3938	if (my $cb = $pkg->can ("unload")) {
		3939	eval {
1943	$cb->();	3940	$cb->($pkg);
		3941	1
		3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
1944	}	3947	}
1945		3948
1946	Symbol::delete_package $k;	3949	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3950	while (my ($k, $v) = each %INC) {
		3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3952
		3953	trace "... unloading $k";
		3954	delete $INC{$k};
		3955
		3956	$k =~ s/\.pm$//;
		3957	$k =~ s/\//::/g;
		3958
		3959	if (my $cb = $k->can ("unload_module")) {
		3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
1947	}	3964	}
1948		3965
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	3966	trace "perl_reload: getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		3969
1957	# remove register_script_function callbacks	3970	trace "perl_reload: unloading cf.pm \"a bit\"";
1958	# TODO
1959
1960	# unload cf.pm "a bit"
1961	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
		3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
1962		3973
1963	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
1964	# and global variables created in xs	3975	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
1966		3977
1967	# reload cf.pm	3978	info "perl_reload: unload completed, starting to reload now";
1968	warn "reloading cf.pm";	3979
		3980	trace "perl_reload: reloading cf.pm";
1969	require cf;	3981	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
1971		3983
1972	# load config and database again	3984	trace "perl_reload: loading config and database again";
1973	cf::cfg_load;	3985	cf::reload_config;
1974	cf::db_load;
1975		3986
1976	# load extensions	3987	trace "perl_reload: loading extensions";
1977	warn "load extensions";
1978	cf::load_extensions;	3988	cf::load_extensions;
1979		3989
1980	# reattach attachments to objects	3990	if ($REATTACH_ON_RELOAD) {
1981	warn "reattach";	3991	trace "perl_reload: reattaching attachments to objects/players";
1982	_global_reattach;	3992	_global_reattach; # objects, sockets
		3993	trace "perl_reload: reattaching attachments to maps";
		3994	reattach $_ for values %MAP;
		3995	trace "perl_reload: reattaching attachments to players";
		3996	reattach $_ for values %PLAYER;
		3997	}
		3998
		3999	cf::_post_init 1;
		4000
		4001	trace "perl_reload: leaving sync_job";
		4002
		4003	1
		4004	} or do {
		4005	error $@;
		4006	cf::cleanup "perl_reload: error, exiting.";
		4007	};
		4008
		4009	--$RELOAD;
		4010	}
		4011
		4012	$t1 = AE::time - $t1;
		4013	info "perl_reload: completed in ${t1}s\n";
		4014	};
		4015
		4016	our $RELOAD_WATCHER; # used only during reload
		4017
		4018	sub reload_perl() {
		4019	# doing reload synchronously and two reloads happen back-to-back,
		4020	# coro crashes during coro_state_free->destroy here.
		4021
		4022	$RELOAD_WATCHER ||= cf::async {
		4023	Coro::AIO::aio_wait cache_extensions;
		4024
		4025	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4026	do_reload_perl;
		4027	undef $RELOAD_WATCHER;
		4028	};
1983	};	4029	};
1984
1985	if ($@) {
1986	warn $@;
1987	warn "error while reloading, exiting.";
1988	exit 1;
1989	}
1990
1991	warn "reloaded successfully";
1992	};
1993
1994	#############################################################################
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}	4030	}
2036
2037	register "<global>", __PACKAGE__;
2038		4031
2039	register_command "reload" => sub {	4032	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	4033	my ($who, $arg) = @_;
2041		4034
2042	if ($who->flag (FLAG_WIZ)) {	4035	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");
2044	reload;
2045	$who->message ("end of reload.");	4036	$who->message ("reloading server.");
		4037	async {
		4038	$Coro::current->{desc} = "perl_reload";
		4039	reload_perl;
		4040	};
2046	}	4041	}
2047	};	4042	};
2048		4043
2049	unshift @INC, $LIBDIR;	4044	#############################################################################
2050		4045
2051	$TICK_WATCHER = Event->timer (	4046	my $bug_warning = 0;
2052	reentrant => 0,	4047
2053	prio => 0,	4048	our @WAIT_FOR_TICK;
2054	at => $NEXT_TICK || $TICK,	4049	our @WAIT_FOR_TICK_BEGIN;
2055	data => WF_AUTOCANCEL,	4050
2056	cb => sub {	4051	sub wait_for_tick() {
2057	unless ($FREEZE) {	4052	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4053
		4054	my $signal = new Coro::Signal;
		4055	push @WAIT_FOR_TICK, $signal;
		4056	$signal->wait;
		4057	}
		4058
		4059	sub wait_for_tick_begin() {
		4060	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4061
		4062	my $signal = new Coro::Signal;
		4063	push @WAIT_FOR_TICK_BEGIN, $signal;
		4064	$signal->wait;
		4065	}
		4066
		4067	sub tick {
		4068	if ($Coro::current != $Coro::main) {
		4069	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4070	unless ++$bug_warning > 10;
		4071	return;
		4072	}
		4073
2058	cf::server_tick; # one server iteration	4074	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;
2060	}
2061		4075
2062	$NEXT_TICK += $TICK;	4076	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2063		4077
2064	# if we are delayed by four ticks or more, skip them all	4078	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4079	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2066		4080	Coro::async_pool {
2067	$TICK_WATCHER->at ($NEXT_TICK);	4081	$Coro::current->{desc} = "runtime saver";
2068	$TICK_WATCHER->start;
2069	},
2070	);
2071
2072	IO::AIO::max_poll_time $TICK * 0.2;
2073
2074	Event->io (
2075	fd => IO::AIO::poll_fileno,
2076	poll => 'r',
2077	prio => 5,
2078	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,
2080	);
2081
2082	Event->timer (
2083	data => WF_AUTOCANCEL,
2084	after => 0,
2085	interval => 10,
2086	cb => sub {
2087	(Coro::unblock_sub {
2088	write_runtime	4082	write_runtime_sync
2089	or warn "ERROR: unable to write runtime file: $!";	4083	or error "ERROR: unable to write runtime file: $!";
2090	})->();	4084	};
2091	},	4085	}
2092	);	4086
		4087	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4088	$sig->send;
		4089	}
		4090	while (my $sig = shift @WAIT_FOR_TICK) {
		4091	$sig->send;
		4092	}
		4093
		4094	$LOAD = ($NOW - $TICK_START) / $TICK;
		4095	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4096
		4097	if (0) {
		4098	if ($NEXT_TICK) {
		4099	my $jitter = $TICK_START - $NEXT_TICK;
		4100	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4101	debug "jitter $JITTER\n";#d#
		4102	}
		4103	}
		4104	}
		4105
		4106	{
		4107	# configure BDB
		4108
		4109	BDB::min_parallel 16;
		4110	BDB::max_poll_reqs $TICK * 0.1;
		4111	$AnyEvent::BDB::WATCHER->priority (1);
		4112
		4113	unless ($DB_ENV) {
		4114	$DB_ENV = BDB::db_env_create;
		4115	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4116	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4117	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4118	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4119	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4120
		4121	cf::sync_job {
		4122	eval {
		4123	BDB::db_env_open
		4124	$DB_ENV,
		4125	$BDBDIR,
		4126	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4127	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4128	0666;
		4129
		4130	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4131	};
		4132
		4133	cf::cleanup "db_env_open(db): $@" if $@;
		4134	};
		4135	}
		4136
		4137	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4138	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4139	};
		4140	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4141	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4142	};
		4143	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4144	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4145	};
		4146	}
		4147
		4148	{
		4149	# configure IO::AIO
		4150
		4151	IO::AIO::min_parallel 8;
		4152	IO::AIO::max_poll_time $TICK * 0.1;
		4153	undef $AnyEvent::AIO::WATCHER;
		4154	}
		4155
		4156	our $_log_backtrace;
		4157	our $_log_backtrace_last;
		4158
		4159	sub _log_backtrace {
		4160	my ($msg, @addr) = @_;
		4161
		4162	$msg =~ s/\n$//;
		4163
		4164	if ($_log_backtrace_last eq $msg) {
		4165	LOG llevInfo, "[ABT] $msg\n";
		4166	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4167	# limit the # of concurrent backtraces
		4168	} elsif ($_log_backtrace < 2) {
		4169	$_log_backtrace_last = $msg;
		4170	++$_log_backtrace;
		4171	my $perl_bt = Carp::longmess $msg;
		4172	async {
		4173	$Coro::current->{desc} = "abt $msg";
		4174
		4175	my @bt = fork_call {
		4176	@addr = map { sprintf "%x", $_ } @addr;
		4177	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4178	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4179	or die "addr2line: $!";
		4180
		4181	my @funcs;
		4182	my @res = <$fh>;
		4183	chomp for @res;
		4184	while (@res) {
		4185	my ($func, $line) = splice @res, 0, 2, ();
		4186	push @funcs, "[$func] $line";
		4187	}
		4188
		4189	@funcs
		4190	};
		4191
		4192	LOG llevInfo, "[ABT] $perl_bt\n";
		4193	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4194	LOG llevInfo, "[ABT] $_\n" for @bt;
		4195	--$_log_backtrace;
		4196	};
		4197	} else {
		4198	LOG llevInfo, "[ABT] $msg\n";
		4199	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4200	}
		4201	}
		4202
		4203	# load additional modules
		4204	require "cf/$_.pm" for @EXTRA_MODULES;
		4205	cf::_connect_to_perl_2;
		4206
		4207	END { cf::emergency_save }
2093		4208
2094	1	4209	1
2095		4210

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