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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.517 by root, Thu Apr 15 06:07:51 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
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;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	118	our $NEXT_TICK;
45	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
46		127
47	our %CFG;	128	our %CFG;
48		129
49	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
51		133
52	our %MAP; # all maps	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	136	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	137
		138	# used to convert map paths into valid unix filenames by replacing / by ∕
		139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
56		150
57	binmode STDOUT;	151	binmode STDOUT;
58	binmode STDERR;	152	binmode STDERR;
59		153
60	# read virtual server time, if available	154	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
65	}	159	}
66		160
67	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		162
73	# a special map that is always available	163	mkdir $_
74	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
75	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
76		180
77	#############################################################################	181	#############################################################################
78		182
79	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
80		184
…		…
87	=item $cf::RUNTIME	191	=item $cf::RUNTIME
88		192
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	194	every server tick.
91		195
92	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		199
94	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
96		204
97	=item $cf::NOW	205	=item $cf::NOW
98		206
99	The time of the last (current) server tick.	207	The time of the last (current) server tick.
100		208
101	=item $cf::TICK	209	=item $cf::TICK
102		210
103	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
104		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
105	=item %cf::CFG	223	=item %cf::CFG
106		224
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	226	from wherever your confdir points to.
109		227
		228	=item cf::wait_for_tick, cf::wait_for_tick_begin
		229
		230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		231	returns directly I<after> the tick processing (and consequently, can only wake one process
		232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
110	=back	246	=back
111		247
112	=cut	248	=cut
113		249
114	BEGIN {	250	$Coro::State::WARNHOOK = sub {
115	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	251	my $msg = join "", @_;
117	utf8::encode $msg;
118		252
119	$msg .= "\n"	253	$msg .= "\n"
120	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
121		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
122	LOG llevError, "cfperl: $msg";	258	LOG llevError, $msg;
123	};	259	};
124	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
125		274
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		282
133	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	284	# within the Safe compartment.
135	for my $pkg (qw(	285	for my $pkg (qw(
136	cf::global cf::attachable	286	cf::global cf::attachable
137	cf::object cf::object::player	287	cf::object cf::object::player
138	cf::client cf::player	288	cf::client cf::player
139	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
140	cf::map cf::party cf::region	291	cf::party cf::region
141	)) {	292	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	294	}
145		295
146	$Event::DIED = sub {	296	$EV::DIED = sub {
147	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
148	};	298	};
149		299
150	my %ext_pkg;	300	#############################################################################
151	my @exts;
152	my @hook;
153		301
154	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
155		303
156	=over 4	304	=over 4
157		305
158	=cut	306	=item dumpval $ref
159		307
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
161		309
		310	sub dumpval {
		311	eval {
		312	local $SIG{__DIE__};
		313	my $d;
		314	if (1) {
		315	$d = new Data::Dumper([$_[0]], ["*var"]);
		316	$d->Terse(1);
		317	$d->Indent(2);
		318	$d->Quotekeys(0);
		319	$d->Useqq(1);
		320	#$d->Bless(...);
		321	$d->Seen($_[1]) if @_ > 1;
		322	$d = $d->Dump();
		323	}
		324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		325	$d
		326	} || "[unable to dump $_[0]: '$@']";
		327	}
		328
162	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
163		330
164	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
165		332
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
174		334
175	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
176		336
177	=cut	337	=cut
178		338
179	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
181	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
182	}	356	}
183		357
184	=item cf::lock_wait $string	358	=item cf::lock_wait $string
185		359
186	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
187		361
188	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
189		363
190	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
193	returned.	367	returned.
194		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
195	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
197		374
198	=cut	375	=item $locked = cf::lock_active $string
199		376
200	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
201		382
202	sub lock_wait($) {	383	sub lock_wait($) {
203	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	385	}
211		386
212	sub lock_acquire($) {	387	sub lock_acquire($) {
213	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
214		390
215	# wait, to be sure we are not locked	391	sub lock_active($) {
216	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
217
218	$LOCK{$key} = [];
219
220	Coro::guard {
221	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };
223	}
224	}	393	}
225		394
226	sub freeze_mainloop {	395	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
228		397
229	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
230	$TICK_WATCHER->stop;	399	}
231	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
232	}	481	}
233		482
234	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
235		484
236	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
241		490
242	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
243		492
244	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
245		494
246	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
249		499
250	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
253	fast or be very important.	503	fast or be very important.
…		…
256		506
257	sub sync_job(&) {	507	sub sync_job(&) {
258	my ($job) = @_;	508	my ($job) = @_;
259		509
260	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
261	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
263		515
264	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
265	# (but this is cancel-safe)	517
266	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
267		519
268	my $busy = 1;	520	my $busy = 1;
269	my @res;	521	my @res;
270		522
271	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
272	@res = eval { $job->() };	525	@res = eval { $job->() };
273	warn $@ if $@;	526	warn $@ if $@;
274	undef $busy;	527	undef $busy;
275	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
276		529
277	while ($busy) {	530	while ($busy) {
278	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
279	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
280		541
281	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
282	} else {	543	} else {
283	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
284		545
…		…
286	}	547	}
287	}	548	}
288		549
289	=item $coro = cf::async_ext { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
290		551
291	Like async, but this coro is automcatially being canceled when the	552	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	553	extension calling this is being unloaded.
293		554
294	=cut	555	=cut
295		556
296	sub async_ext(&) {	557	sub async_ext(&) {
…		…
304	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
305		566
306	$coro	567	$coro
307	}	568	}
308		569
309	sub write_runtime {	570	=item fork_call { }, $args
310	my $runtime = cf::localdir . "/runtime";
311		571
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
313	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
314		576
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;
318		578
319	aio_fsync $fh	579	sub fork_call(&@) {
320	and return;	580	my ($cb, @args) = @_;
321		581
322	close $fh	582	# we seemingly have to make a local copy of the whole thing,
323	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
324		585
325	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
326	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
327		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
328	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
329	}	768	}
330		769
331	=back	770	=back
332		771
333	=cut	772	=cut
334		773
335	#############################################################################	774	#############################################################################
336		775
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454
455	#############################################################################
456
457	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
458		777
459	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
460	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
461	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
462		781
463	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
464	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
465	crossfire+).	784	Deliantra).
466		785
467	=over 4	786	=over 4
468		787
469	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
470		789
…		…
514	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
515		834
516	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
517	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
518		837
519	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
520	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
521		840
522	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
523		842
524	=over 4	843	=over 4
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	904	our @CB_MAP = ();
586		905
587	my %attachment;	906	my %attachment;
588		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
589	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
591		916
592	use sort 'stable';	917	use sort 'stable';
593		918
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
628		953
629	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		958
634	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	960	my $pkg = shift @arg;
636		961
637	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
667	}	992	}
668		993
669	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
670	} else {	995	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	997	}
673		998
674	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
675	}	1000	}
676		1001
…		…
678	if (ref $_[0]) {	1003	if (ref $_[0]) {
679	_object_attach @_;	1004	_object_attach @_;
680	} else {	1005	} else {
681	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
682	}	1007	}
		1008	_recalc_want;
683	};	1009	};
684		1010
685	# all those should be optimised	1011	# all those should be optimised
686	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
691	reattach ($obj);	1017	reattach ($obj);
692	} else {	1018	} else {
693	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
694	}	1020	}
		1021	_recalc_want;
695	};	1022	};
696		1023
697	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
699		1026
…		…
714	";	1041	";
715	die if $@;	1042	die if $@;
716	}	1043	}
717		1044
718	our $override;	1045	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1047
721	sub override {	1048	sub override {
722	$override = 1;	1049	$override = 1;
723	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
724	}	1051	}
725		1052
726	sub do_invoke {	1053	sub do_invoke {
727	my $event = shift;	1054	my $event = shift;
728	my $callbacks = shift;	1055	my $callbacks = shift;
729		1056
730	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
731		1058
732	local $override;	1059	local $override;
733		1060
734	for (@$callbacks) {	1061	for (@$callbacks) {
735	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
744	}	1071	}
745		1072
746	0	1073	0
747	}	1074	}
748		1075
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1077
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1079
753	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
754		1081
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1085
759	=back	1086	=back
760		1087
761	=cut	1088	=cut
762		1089
763	#############################################################################	1090	#############################################################################
764	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
765		1134
766	sub reattach {	1135	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		1141
770	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
771		1143
772	@$registry = ();	1144	@$registry = ();
773		1145
…		…
788	cf::attachable->attach (	1160	cf::attachable->attach (
789	prio => -1000000,	1161	prio => -1000000,
790	on_instantiate => sub {	1162	on_instantiate => sub {
791	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
792		1164
793	$data = from_json $data;	1165	$data = decode_json $data;
794		1166
795	for (@$data) {	1167	for (@$data) {
796	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
797		1169
798	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
814	sub object_freezer_save {	1186	sub object_freezer_save {
815	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
816		1188
817	sync_job {	1189	sync_job {
818	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
819	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
820	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
821		1194
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
825	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
826	close $fh;	1202	aio_close $fh;
827		1203
828	if (@$objs) {	1204	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
833	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
834	close $fh;	1213	aio_close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
836	}	1215	}
837	} else {	1216	} else {
838	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
839	}	1218	}
840		1219
841	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
842	} else {	1224	} else {
843	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
844	}	1226	}
845	} else {	1227	} else {
846	aio_unlink $filename;	1228	aio_unlink $filename;
847	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
848	}	1230	}
849	}	1231	};
850	}	1232	}
851		1233
852	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
853	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
854		1236
…		…
866	or return;	1248	or return;
867		1249
868	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
869	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
870	or return;	1252	or return;
		1253
871	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
872	}	1256	}
873		1257
		1258	utf8::decode (my $decname = $filename);
874	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
875	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
876	return ($data, $av);	1262	($data, $av)
877	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
878		1270
879	#############################################################################	1271	#############################################################################
880	# command handling &c	1272	# command handling &c
881		1273
882	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
895	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
896	}	1288	}
897		1289
898	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
899		1291
900	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
901		1297
902	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
903	called.	1299	called.
904		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
905	=cut	1312	=cut
906		1313
907	sub register_extcmd {	1314	sub register_extcmd {
908	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
909		1316
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
914	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
915		1327
916	cf::player->attach (	1328	cf::player->attach (
917	on_command => sub {	1329	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
919		1331
920	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
921	or return;	1333	or return;
922		1334
…		…
927	cf::override;	1339	cf::override;
928	},	1340	},
929	on_extcmd => sub {	1341	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
931		1343
932	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1345
934	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
940	} else {	1361	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1363	}
943		1364
944	cf::override;	1365	cf::override;
945	},	1366	},
946	);	1367	);
947		1368
948	sub register {	1369	# "readahead" all extensions
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	1370	sub cache_extensions {
955	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
956		1372
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
958	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
959	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
960	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";
962
963	warn "loading '$path' into '$pkg'\n";
964
965	open my $fh, "<:utf8", $path
966	or die "$path: $!";
967
968	my $source =
969	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })
972	. "\n};\n1";
973
974	eval $source
975	or die $@ ? "$path: $@\n"
976	: "extension disabled.\n";
977
978	push @exts, $pkg;
979	$ext_pkg{$base} = $pkg;
980
981	# no strict 'refs';
982	# @{"$pkg\::ISA"} = ext::;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }
997
998	# remove commands
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}	1376	}
1007	}	1377	};
1008		1378
1009	# remove extcmds	1379	$grp
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	1380	}
1023		1381
1024	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1025	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	1387	next unless -r $path;
1027	eval {	1388
1028	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
1029	1	1449	}
1030	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
1031	}	1460	};
1032	}	1461	}
1033		1462
1034	#############################################################################	1463	#############################################################################
1035	# load/save/clean perl data associated with a map
1036		1464
1037	*cf::mapsupport::on_clean = sub {	1465	=back
		1466
		1467	=head2 CORE EXTENSIONS
		1468
		1469	Functions and methods that extend core deliantra objects.
		1470
		1471	=cut
		1472
		1473	package cf::player;
		1474
		1475	use Coro::AIO;
		1476
		1477	=head3 cf::player
		1478
		1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
		1495	=item cf::player::find $login
		1496
		1497	Returns the given player object, loading it if necessary (might block).
		1498
		1499	=cut
		1500
		1501	sub playerdir($) {
		1502	"$PLAYERDIR/"
		1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1504	}
		1505
		1506	sub path($) {
		1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1508
		1509	(playerdir $login) . "/playerdata"
		1510	}
		1511
		1512	sub find_active($) {
		1513	$cf::PLAYER{$_[0]}
		1514	and $cf::PLAYER{$_[0]}->active
		1515	and $cf::PLAYER{$_[0]}
		1516	}
		1517
		1518	sub exists($) {
1038	my ($map) = @_;	1519	my ($login) = @_;
1039		1520
1040	my $path = $map->tmpname;	1521	$cf::PLAYER{$login}
1041	defined $path or return;	1522	or !aio_stat path $login
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}	1523	}
1054		1524
1055	# TODO: compatibility cruft, remove when no longer needed	1525	sub find($) {
		1526	return $cf::PLAYER{$_[0]} || do {
		1527	my $login = $_[0];
		1528
		1529	my $guard = cf::lock_acquire "user_find:$login";
		1530
		1531	$cf::PLAYER{$_[0]} || do {
		1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
		1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
		1547	$cf::PLAYER{$login} = $pl
		1548	}
		1549	}
		1550	}
		1551
1056	cf::player->attach (	1552	cf::player->attach (
1057	on_load => sub {	1553	on_load => sub {
1058	my ($pl, $path) = @_;	1554	my ($pl, $path) = @_;
1059		1555
1060	for my $o (all_objects $pl->ob) {	1556	# restore slots saved in save, below
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1557	my $slots = delete $pl->{_slots};
1062	$o->set_ob_key_value ("_perl_data");
1063		1558
1064	%$o = %{ Storable::thaw pack "H*", $value };	1559	$pl->ob->current_weapon ($slots->[0]);
1065	}	1560	$pl->combat_ob ($slots->[1]);
1066	}	1561	$pl->ranged_ob ($slots->[2]);
1067	},	1562	},
1068	);	1563	);
1069		1564
1070	#############################################################################	1565	sub save($) {
		1566	my ($pl) = @_;
1071		1567
1072	=head2 CORE EXTENSIONS	1568	return if $pl->{deny_save};
1073		1569
1074	Functions and methods that extend core crossfire objects.	1570	my $path = path $pl;
		1571	my $guard = cf::lock_acquire "user_save:$path";
1075		1572
1076	=head3 cf::player	1573	return if $pl->{deny_save};
		1574
		1575	aio_mkdir playerdir $pl, 0770;
		1576	$pl->{last_save} = $cf::RUNTIME;
		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
		1583	$pl->save_pl ($path);
		1584	cf::cede_to_tick;
		1585	}
		1586
		1587	sub new($) {
		1588	my ($login) = @_;
		1589
		1590	my $self = create;
		1591
		1592	$self->ob->name ($login);
		1593	$self->{deny_save} = 1;
		1594
		1595	$cf::PLAYER{$login} = $self;
		1596
		1597	$self
		1598	}
		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
		1610	=item $pl->quit_character
		1611
		1612	Nukes the player without looking back. If logged in, the connection will
		1613	be destroyed. May block for a long time.
		1614
		1615	=cut
		1616
		1617	sub quit_character {
		1618	my ($pl) = @_;
		1619
		1620	my $name = $pl->ob->name;
		1621
		1622	$pl->{deny_save} = 1;
		1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
		1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1630	$pl->ns->destroy if $pl->ns;
		1631
		1632	my $path = playerdir $pl;
		1633	my $temp = "$path~$cf::RUNTIME~deleting~";
		1634	aio_rename $path, $temp;
		1635	delete $cf::PLAYER{$pl->ob->name};
		1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
		1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
		1658	}
		1659
		1660	=item cf::player::list_logins
		1661
		1662	Returns am arrayref of all valid playernames in the system, can take a
		1663	while and may block, so not sync_job-capable, ever.
		1664
		1665	=cut
		1666
		1667	sub list_logins {
		1668	my $dirs = aio_readdir $PLAYERDIR
		1669	or return [];
		1670
		1671	my @logins;
		1672
		1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
		1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1680	aio_read $fh, 0, 512, my $buf, 0 or next;
		1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
		1683
		1684	utf8::decode $login;
		1685	push @logins, $login;
		1686	}
		1687
		1688	\@logins
		1689	}
		1690
		1691	=item $player->maps
		1692
		1693	Returns an arrayref of map paths that are private for this
		1694	player. May block.
		1695
		1696	=cut
		1697
		1698	sub maps($) {
		1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
		1702
		1703	my $files = aio_readdir playerdir $pl
		1704	or return;
		1705
		1706	my @paths;
		1707
		1708	for (@$files) {
		1709	utf8::decode $_;
		1710	next if /\.(?:pl|pst)$/;
		1711	next unless /^$PATH_SEP/o;
		1712
		1713	push @paths, cf::map::normalise "~$pl/$_";
		1714	}
		1715
		1716	\@paths
		1717	}
		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
		1723	=item $player->ext_reply ($msgid, @msg)
		1724
		1725	Sends an ext reply to the player.
		1726
		1727	=cut
		1728
		1729	sub ext_reply($$@) {
		1730	my ($self, $id, @msg) = @_;
		1731
		1732	$self->ns->ext_reply ($id, @msg)
		1733	}
		1734
		1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
1077		1748
1078	=over 4	1749	=over 4
1079		1750
1080	=item cf::player::exists $login
1081
1082	Returns true when the given account exists.
1083
1084	=cut	1751	=cut
1085		1752
1086	sub cf::player::exists($) {	1753	package cf::region;
1087	cf::player::find $_[0]
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1089	}
1090		1754
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1755	=item cf::region::find_by_path $path
1092		1756
1093	Sends an ext reply to the player.	1757	Tries to decuce the likely region for a map knowing only its path.
1094		1758
1095	=cut	1759	=cut
1096		1760
1097	sub cf::player::ext_reply($$$%) {	1761	sub find_by_path($) {
1098	my ($self, $id, %msg) = @_;	1762	my ($path) = @_;
1099		1763
1100	$msg{msgid} = $id;	1764	my ($match, $specificity);
1101		1765
1102	$self->send ("ext " . to_json \%msg);	1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
1103	}	1774	}
1104		1775
1105	=back	1776	=back
1106
1107		1777
1108	=head3 cf::map	1778	=head3 cf::map
1109		1779
1110	=over 4	1780	=over 4
1111		1781
…		…
1114	package cf::map;	1784	package cf::map;
1115		1785
1116	use Fcntl;	1786	use Fcntl;
1117	use Coro::AIO;	1787	use Coro::AIO;
1118		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1119	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1121		1795
1122	sub generate_random_map {	1796	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1124		1800
1125	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1802	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1810	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1811	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
		1814	)
1139	}	1815	}
1140		1816
1141	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1142	# all maps in C++...
1143	sub change_all_map_light {
1144	my ($change) = @_;
1145		1818
1146	$_->change_map_light ($change)	1819	Register a handler for the map path matching the given regex at the
1147	for grep $_->outdoor, values %cf::MAP;	1820	givne priority (higher is better, built-in handlers have priority 0, the
1148	}	1821	default).
1149		1822
1150	sub try_load_header($) {	1823	=cut
		1824
		1825	sub register {
		1826	my (undef, $regex, $prio) = @_;
		1827	my $pkg = caller;
		1828
		1829	no strict;
		1830	push @{"$pkg\::ISA"}, __PACKAGE__;
		1831
		1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1833	}
		1834
		1835	# also paths starting with '/'
		1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
		1847
		1848	sub normalise {
1151	my ($path) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
		1854
		1855	# map plan:
		1856	#
		1857	# /! non-realised random map exit (special hack!)
		1858	# {... are special paths that are not being touched
		1859	# ?xxx/... are special absolute paths
		1860	# ?random/... random maps
		1861	# /... normal maps
		1862	# ~user/... per-player map of a specific user
		1863
		1864	$path =~ s/$PATH_SEP/\//go;
		1865
		1866	# treat it as relative path if it starts with
		1867	# something that looks reasonable
		1868	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1869	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1870
		1871	$base =~ s{[^/]+/?$}{};
		1872	$path = "$base/$path";
		1873	}
		1874
		1875	for ($path) {
		1876	redo if s{//}{/};
		1877	redo if s{/\.?/}{/};
		1878	redo if s{/[^/]+/\.\./}{/};
		1879	}
		1880
		1881	$path
		1882	}
		1883
		1884	sub new_from_path {
		1885	my (undef, $path, $base) = @_;
		1886
		1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1888
		1889	$path = normalise $path, $base;
		1890
		1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1893	my $self = bless cf::map::new, $pkg;
		1894	$self->{path} = $path; $self->path ($path);
		1895	$self->init; # pass $1 etc.
		1896	return $self;
		1897	}
		1898	}
		1899
		1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1901	()
		1902	}
		1903
		1904	sub init {
		1905	my ($self) = @_;
		1906
		1907	$self
		1908	}
		1909
		1910	sub as_string {
		1911	my ($self) = @_;
		1912
		1913	"$self->{path}"
		1914	}
		1915
		1916	# the displayed name, this is a one way mapping
		1917	sub visible_name {
		1918	&as_string
		1919	}
		1920
		1921	# the original (read-only) location
		1922	sub load_path {
		1923	my ($self) = @_;
		1924
		1925	"$MAPDIR/$self->{path}.map"
		1926	}
		1927
		1928	# the temporary/swap location
		1929	sub save_path {
		1930	my ($self) = @_;
		1931
		1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1933	"$TMPDIR/$path.map"
		1934	}
		1935
		1936	# the unique path, undef == no special unique path
		1937	sub uniq_path {
		1938	my ($self) = @_;
		1939
		1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1941	"$UNIQUEDIR/$path"
		1942	}
		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
		1952	sub unlink_save {
		1953	my ($self) = @_;
		1954
		1955	utf8::encode (my $save = $self->save_path);
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1958	}
		1959
		1960	sub load_header_from($) {
		1961	my ($self, $path) = @_;
1152		1962
1153	utf8::encode $path;	1963	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1155	or return;	1965	or return;
1156		1966
1157	my $map = cf::map::new	1967	$self->_load_header ($f)
1158	or return;	1968	or return;
1159		1969
1160	# for better error messages only, will be overwritten	1970	local $MAP_LOADING{$self->{path}} = $self;
1161	$map->path ($path);	1971	$f->resolve_delayed_derefs;
1162		1972
1163	$map->load_header ($path)	1973	$self->{load_path} = $path;
		1974
		1975	1
		1976	}
		1977
		1978	sub load_header_orig {
		1979	my ($self) = @_;
		1980
		1981	$self->load_header_from ($self->load_path)
		1982	}
		1983
		1984	sub load_header_temp {
		1985	my ($self) = @_;
		1986
		1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
		2007	}
		2008
		2009	sub load_header {
		2010	my ($self) = @_;
		2011
		2012	if ($self->load_header_temp) {
		2013	$self->prepare_temp;
		2014	} else {
		2015	$self->load_header_orig
1164	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1165		2019
1166	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1167		2022
1168	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
		2026	1
1169	}	2027	}
1170		2028
1171	sub find;	2029	sub find;
1172	sub find {	2030	sub find {
1173	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1174		2032
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		2034
1180	cf::lock_wait "map_find:$key";	2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1181
1182	$cf::MAP{$key} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1184		2037
1185	# do it the slow way	2038	$cf::MAP{$path} || do {
1186	my $map = try_load_header $path->save_path;	2039	my $map = new_from_path cf::map $path
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	2040	or return;
1204		2041
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1217		2043
1218	Coro::cede;	2044	$map->load_header
		2045	or return;
1219		2046
1220	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1221	$map->reset;	2052	$map->reset;
1222	undef $guard;
1223	$map = find $path	2053	return find $path;
1224	or return;
1225	}	2054	}
1226		2055
1227	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1228	}	2057	}
1229	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1230		2062
1231	sub load {	2063	sub load {
1232	my ($self) = @_;	2064	my ($self) = @_;
1233		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1234	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2071	my $guard = cf::lock_acquire "map_data:$path";
1236		2072
		2073	return unless $self->valid;
1237	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1238		2075
1239	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1240		2077
1241	$self->alloc;	2078	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1243	or return;	2086	or return;
1244		2087
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1246	if delete $self->{load_original};	2089	if delete $self->{load_original};
1247		2090
1248	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	2092	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1251	$self->clear_unique_items;	2095	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1253	}	2099	}
1254	}	2100	}
1255		2101
1256	Coro::cede;	2102	$f->resolve_delayed_derefs;
1257		2103
		2104	cf::cede_to_tick;
1258	# now do the right thing for maps	2105	# now do the right thing for maps
1259	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	2108	unless $self->difficulty;
		2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1271	$self->activate;	2116	$self->activate;
1272	}	2117	}
1273		2118
1274	Coro::cede;	2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
1275		2121
1276	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
		2123	}
		2124
		2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
		2131	sub customise_for {
		2132	my ($self, $ob) = @_;
		2133
		2134	return find "~" . $ob->name . "/" . $self->{path}
		2135	if $self->per_player;
		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
		2140	$self
		2141	}
		2142
		2143	# find and load all maps in the 3x3 area around a map
		2144	sub load_neighbours {
		2145	my ($map) = @_;
		2146
		2147	my @neigh; # diagonal neighbours
		2148
		2149	for (0 .. 3) {
		2150	my $neigh = $map->tile_path ($_)
		2151	or next;
		2152	$neigh = find $neigh, $map
		2153	or next;
		2154	$neigh->load;
		2155
		2156	push @neigh,
		2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2159	}
		2160
		2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
		2163	my $neigh = find $path, $origin
		2164	or next;
		2165	$neigh->load;
		2166	}
1277	}	2167	}
1278		2168
1279	sub find_sync {	2169	sub find_sync {
1280	my ($path, $origin) = @_;	2170	my ($path, $origin) = @_;
1281		2171
1282	cf::sync_job { cf::map::find $path, $origin }	2172	cf::sync_job { find $path, $origin }
1283	}	2173	}
1284		2174
1285	sub do_load_sync {	2175	sub do_load_sync {
1286	my ($map) = @_;	2176	my ($map) = @_;
1287		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1288	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
		2182	}
		2183
		2184	our %MAP_PREFETCH;
		2185	our $MAP_PREFETCHER = undef;
		2186
		2187	sub find_async {
		2188	my ($path, $origin, $load) = @_;
		2189
		2190	$path = normalise $path, $origin && $origin->{path};
		2191
		2192	if (my $map = $cf::MAP{$path}) {
		2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
		2211	};
		2212	$MAP_PREFETCHER->prio (6);
		2213
		2214	()
1289	}	2215	}
1290		2216
1291	sub save {	2217	sub save {
1292	my ($self) = @_;	2218	my ($self) = @_;
1293		2219
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1295		2221
1296	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1297		2223
1298	return unless $self->dirty;	2224	return unless $self->dirty;
1299		2225
1300	my $save = $self->{path}->save_path; utf8::encode $save;	2226	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2227	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		2228
1303	$self->{load_path} = $save;	2229	$self->{load_path} = $save;
1304		2230
1305	return if $self->{deny_save};	2231	return if $self->{deny_save};
1306		2232
1307	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1308		2234
		2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
		2237	$_->contr->save for $self->players;
		2238	};
		2239
		2240	cf::get_slot 0.02;
		2241
1309	if ($uniq) {	2242	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	2245	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	2247	}
1315	}	2248	}
1316		2249
1317	sub swap_out {	2250	sub swap_out {
1318	my ($self) = @_;	2251	my ($self) = @_;
1319		2252
1320	# save first because save cedes	2253	# save first because save cedes
1321	$self->save;	2254	$self->save;
1322		2255
1323	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1324		2257
1325	return if $self->players;	2258	return if $self->players;
1326	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1327	return if $self->{deny_save};	2260	return if $self->{deny_save};
1328		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1329	$self->clear;	2266	$self->clear;
1330	$self->in_memory (cf::MAP_SWAPPED);
1331	}	2267	}
1332		2268
1333	sub reset_at {	2269	sub reset_at {
1334	my ($self) = @_;	2270	my ($self) = @_;
1335		2271
1336	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};
1338	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1339		2274
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		2277
…		…
1347	my ($self) = @_;	2282	my ($self) = @_;
1348		2283
1349	$self->reset_at <= $cf::RUNTIME	2284	$self->reset_at <= $cf::RUNTIME
1350	}	2285	}
1351		2286
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	2287	sub reset {
1374	my ($self) = @_;	2288	my ($self) = @_;
1375		2289
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		2291
1378	return if $self->players;	2292	return if $self->players;
1379	return if $self->{path}{user_rel};#d#
1380		2293
1381	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
		2295
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# need to save uniques path
		2299	unless ($self->{deny_save}) {
		2300	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2301
		2302	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2303	if $uniq;
		2304	}
1382		2305
1383	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1384		2307
		2308	$self->deactivate;
1385	$_->clear_links_to ($self) for values %cf::MAP;	2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->clear;
1386		2311
1387	$self->unlink_save;	2312	$self->unlink_save;
1388	$self->destroy;	2313	$self->destroy;
1389	}	2314	}
1390		2315
1391	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1392		2317
1393	sub nuke {	2318	sub nuke {
1394	my ($self) = @_;	2319	my ($self) = @_;
1395		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	delete $cf::MAP{$self->path};
		2325
		2326	$self->unlink_save;
		2327
		2328	bless $self, "cf::map";
		2329	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2333
		2334	$cf::MAP{$self->path} = $self;
		2335	}
		2336
1399	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
1400	}	2338	}
1401		2339
1402	sub customise_for {	2340	=item $maps = cf::map::tmp_maps
1403	my ($map, $ob) = @_;
1404		2341
1405	if ($map->per_player) {	2342	Returns an arrayref with all map paths of currently instantiated and saved
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
1407	}	2348	[
1408		2349	map {
1409	$map	2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
1410	}	2356	}
1411		2357
1412	sub emergency_save {	2358	=item $maps = cf::map::random_maps
1413	my $freeze_guard = cf::freeze_mainloop;
1414		2359
1415	warn "enter emergency map save\n";	2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
1416		2362
1417	cf::sync_job {	2363	=cut
1418	warn "begin emergency map save\n";	2364
1419	$_->save for values %cf::MAP;	2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
		2374	}
		2375
		2376	=item cf::map::unique_maps
		2377
		2378	Returns an arrayref of paths of all shared maps that have
		2379	instantiated unique items. May block.
		2380
		2381	=cut
		2382
		2383	sub unique_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
		2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
1420	};	2422	}
1421		2423
1422	warn "end emergency map save\n";	2424	\@maps
		2425	}
		2426
		2427	=back
		2428
		2429	=head3 cf::object
		2430
		2431	=cut
		2432
		2433	package cf::object;
		2434
		2435	=over 4
		2436
		2437	=item $ob->inv_recursive
		2438
		2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
		2441
		2442	=cut
		2443
		2444	sub inv_recursive_;
		2445	sub inv_recursive_ {
		2446	map { $_, inv_recursive_ $_->inv } @_
		2447	}
		2448
		2449	sub inv_recursive {
		2450	inv_recursive_ inv $_[0]
		2451	}
		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
1423	}	2479	}
1424		2480
1425	package cf;	2481	package cf;
1426		2482
1427	=back	2483	=back
1428
1429		2484
1430	=head3 cf::object::player	2485	=head3 cf::object::player
1431		2486
1432	=over 4	2487	=over 4
1433		2488
…		…
1436	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1437	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1438	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1439		2494
1440	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1441		2510
1442	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1443	# with dialog boxes.	2512	# with dialog boxes.
1444	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1445	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1447		2516
1448	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1449		2518
1450	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1451	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1452	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1453	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1454	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1455	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1456	}	2544	}
1457		2545
1458	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1459		2547
1460	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1473		2561
1474	=item $player_object->enter_link	2562	=item $player_object->enter_link
1475		2563
1476	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1477		2565
1478	The player should be reaosnably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1479	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
		2570
		2571	Will never block.
1480		2572
1481	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1482		2574
1483	Moves the player out of the specila link map onto the given map. If the	2575	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	2576	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	2577	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	2578	fails, to the emergency map position.
1487		2579
1488	Might block.	2580	Might block.
1489		2581
1490	=cut	2582	=cut
		2583
		2584	sub link_map {
		2585	unless ($LINK_MAP) {
		2586	$LINK_MAP = cf::map::find "{link}"
		2587	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2588	$LINK_MAP->load;
		2589	}
		2590
		2591	$LINK_MAP
		2592	}
1491		2593
1492	sub cf::object::player::enter_link {	2594	sub cf::object::player::enter_link {
1493	my ($self) = @_;	2595	my ($self) = @_;
1494		2596
1495	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1496		2598
1497	return if $self->map == $LINK_MAP;	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		2600
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1501		2603
1502	$self->enter_map ($LINK_MAP, 20, 20);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	2605	}
1504		2606
1505	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1507		2611
1508	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1509		2613
1510	unless ($map) {	2614	unless ($map) {
1511	# restore original map position	2615	# restore original map position
…		…
1522	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1523	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1524		2628
1525	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1528		2632
1529	$map->load;	2633	$map->load;
		2634	$map->load_neighbours;
1530		2635
		2636	return unless $self->contr->active;
		2637
		2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
1531	$self->activate_recursive;	2642	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);
1533	}	2643	}
1534		2644
1535	cf::player->attach (	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1536	on_logout => sub {
1537	my ($pl) = @_;
1538		2646
1539	# abort map switching before logout	2647	Moves the player to the given map-path and coordinates by first freezing
1540	if ($pl->ob->{_link_pos}) {	2648	her, loading and preparing them map, calling the provided $check callback
1541	cf::sync_job {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1542	$pl->ob->leave_link	2650	the new (success) or old (failed) map position. In either case, $done will
1543	};	2651	be called at the end of this process.
1544	}
1545	},
1546	on_login => sub {
1547	my ($pl) = @_;
1548		2652
1549	# try to abort aborted map switching on player login :)	2653	Note that $check will be called with a potentially non-loaded map, so if
1550	# should happen only on crashes	2654	it needs a loaded map it has to call C<< ->load >>.
1551	if ($pl->ob->{_link_pos}) {
1552		2655
1553	$pl->ob->enter_link;
1554	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);
1561	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;
1563	})->prio (2);
1564	}
1565	},
1566	);
1567
1568	=item $player_object->goto ($path, $x, $y)
1569
1570	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1571		2659
1572	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1573	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1574		2665
1575	$self->enter_link;	2666	$self->enter_link;
1576		2667
1577	(async {	2668	(async {
1578	$path = new cf::path $path;	2669	$Coro::current->{desc} = "player::goto $path $x $y";
1579		2670
1580	my $map = cf::map::find $path->as_string;	2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
		2690	my $map = eval {
		2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1581	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
1582		2695	$map = $check->($map) if $check && $map;
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	2696	} else {
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
1587		2699
		2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
		2706	}
		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1588	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1589	})->prio (1);	2714	})->prio (1);
1590	}	2715	}
1591		2716
1592	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1593		2718
…		…
1595		2720
1596	sub parse_random_map_params {	2721	sub parse_random_map_params {
1597	my ($spec) = @_;	2722	my ($spec) = @_;
1598		2723
1599	my $rmp = { # defaults	2724	my $rmp = { # defaults
1600	xsize => 10,	2725	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	2726	ysize => (cf::rndm 15, 40),
		2727	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2728	#layout => string,
1602	};	2729	};
1603		2730
1604	for (split /\n/, $spec) {	2731	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	2732	my ($k, $v) = split /\s+/, $_, 2;
1606		2733
…		…
1618	# that depends on the exit object	2745	# that depends on the exit object
1619		2746
1620	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
1621		2748
1622	if ($exit->map) {	2749	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	2750	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
1627	}	2756	}
1628		2757
1629	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
1630		2759
1631	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1632	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
		2762	my $meta = "$RANDOMDIR/$md5.meta";
1633		2763
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
		2766	undef $fh;
		2767	aio_rename "$meta~", $meta;
1636		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
1637	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
1639	}	2775	}
1640	}	2776	}
1641		2777
1642	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
…		…
1645	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
1646		2782
1647	$self->enter_link;	2783	$self->enter_link;
1648		2784
1649	(async {	2785	(async {
1650	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
1651	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
1652	prepare_random_map $exit	2795	prepare_random_map $exit
1653	if $exit->slaying eq "/!";	2796	if $exit->slaying eq "/!";
		2797	}
1654		2798
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
1657		2802
		2803	$self->goto ($map, $x, $y);
		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
1658	1;	2809	1
1659	}) {	2810	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
1661	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	2813	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2815
1665	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2817	$self->leave_link;
1667	}	2818	}
1668	})->prio (1);	2819	})->prio (1);
…		…
1681		2832
1682	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
1684		2835
1685	utf8::encode $text;	2836	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2838	}
1688		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
		3027	=item $client->ext_msg ($type, @msg)
		3028
		3029	Sends an ext event to the client.
		3030
		3031	=cut
		3032
		3033	sub cf::client::ext_msg($$@) {
		3034	my ($self, $type, @msg) = @_;
		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
		3039	push @msg, msgtype => "event_$type";
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
		3060	}
1689		3061
1690	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
1691		3063
1692	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
1693	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1694	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1695		3067
1696	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
1697	reliable at some point in the future.	3069	become reliable at some point in the future.
1698		3070
1699	=cut	3071	=cut
1700		3072
1701	sub cf::client::query {	3073	sub cf::client::query {
1702	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
1710	utf8::encode $text;	3082	utf8::encode $text;
1711	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1712		3084
1713	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
1714	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
1715	}	3089	}
1716		3090
1717	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
1718	on_reply => sub {	3097	on_reply => sub {
1719	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
1720		3099
1721	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
1722	# get handled first	3101	# get handled first
1723	my $queue = delete $ns->{query_queue}	3102	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	3103	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		3104
1726	(shift @$queue)->[1]->($msg);	3105	(shift @$queue)->[1]->($msg);
		3106	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		3107
1728	push @{ $ns->{query_queue} }, @$queue;	3108	push @{ $ns->{query_queue} }, @$queue;
1729		3109
1730	if (@{ $ns->{query_queue} } == @$queue) {	3110	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	3111	if (@$queue) {
…		…
1733	} else {	3113	} else {
1734	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1735	}	3115	}
1736	}	3116	}
1737	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
1738	);	3144	);
1739		3145
1740	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
1741		3147
1742	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
1758		3164
1759	$coro	3165	$coro
1760	}	3166	}
1761		3167
1762	cf::client->attach (	3168	cf::client->attach (
1763	on_destroy => sub {	3169	on_client_destroy => sub {
1764	my ($ns) = @_;	3170	my ($ns) = @_;
1765		3171
1766	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1767	},	3173	},
1768	);	3174	);
…		…
1783	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
1784	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
1785		3191
1786	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
1787		3193
1788	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
1789		3199
1790	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
1791		3201
1792	=pod	3202	=pod
1793		3203
1794	The following fucntions and emthods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
1795		3205
1796	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
1797	cf::object::player player	3211	cf::object::player
1798	cf::player peaceful	3212	player
1799	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
1800		3219
1801	=cut	3220	=cut
1802		3221
1803	for (	3222	for (
1804	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
1805	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
1806	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
1807	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
1808	) {	3229	) {
1809	no strict 'refs';	3230	no strict 'refs';
1810	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
1811	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1829		3250
1830	my $qcode = $code;	3251	my $qcode = $code;
1831	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1832	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
1833		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
1834	local $_;	3258	local $_;
1835	local @safe::cf::_safe_eval_args = values %vars;
1836		3259
1837	my $eval =	3260	my $eval =
1838	"do {\n"	3261	"do {\n"
1839	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1840	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
1841	. $code	3264	. $code
1842	. "\n}"	3265	. "\n}"
1843	;	3266	;
1844		3267
		3268	if ($CFG{safe_eval}) {
1845	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
1846	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1847	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
1848		3277
1849	if ($@) {	3278	if ($@) {
1850	warn "$@";	3279	warn "$@";
1851	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
1852	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1871	=cut	3300	=cut
1872		3301
1873	sub register_script_function {	3302	sub register_script_function {
1874	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
1875		3304
1876	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
1877	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
1878	}	3307	}
1879		3308
1880	=back	3309	=back
1881		3310
1882	=cut	3311	=cut
1883		3312
1884	#############################################################################	3313	#############################################################################
		3314	# the server's init and main functions
1885		3315
1886	=head2 EXTENSION DATABASE SUPPORT	3316	sub load_facedata($) {
		3317	my ($path) = @_;
1887		3318
1888	Crossfire maintains a very simple database for extension use. It can	3319	# HACK to clear player env face cache, we need some signal framework
1889	currently store anything that can be serialised using Storable, which	3320	# for this (global event?)
1890	excludes objects.	3321	%ext::player_env::MUSIC_FACE_CACHE = ();
1891		3322
1892	The parameter C<$family> should best start with the name of the extension	3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1893	using it, it should be unique.
1894		3324
1895	=over 4	3325	warn "loading facedata from $path\n";
1896		3326
1897	=item $hashref = cf::db_get $family	3327	my $facedata;
		3328	0 < aio_load $path, $facedata
		3329	or die "$path: $!";
1898		3330
1899	Return a hashref for use by the extension C<$family>, which can be	3331	$facedata = Coro::Storable::thaw $facedata;
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902		3332
1903	=item $value = cf::db_get $family => $key	3333	$facedata->{version} == 2
		3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
1904		3335
1905	Returns a single value from the database	3336	# patch in the exptable
1906		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1907	=item cf::db_put $family => $hashref	3338	$facedata->{resource}{"res/exp_table"} = {
1908		3339	type => FT_RSRC,
1909	Stores the given family hashref into the database. Updates are delayed, if	3340	data => $exp_table,
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3341	hash => (Digest::MD5::md5 $exp_table),
1911
1912	=item cf::db_put $family => $key => $value
1913
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924
1925	=cut
1926
1927	our $DB;
1928
1929	{
1930	my $path = cf::localdir . "/database.pst";
1931
1932	sub db_load() {
1933	$DB = stat $path ? Storable::retrieve $path : { };
1934	}
1935
1936	my $pid;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});	3342	};
		3343	cf::cede_to_tick;
1958		3344
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}	3345	{
		3346	my $faces = $facedata->{faceinfo};
1963		3347
1964	sub db_get($;$) {	3348	while (my ($face, $info) = each %$faces) {
1965	@_ >= 2	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969		3350
1970	sub db_put($$;$) {	3351	cf::face::set_visibility $idx, $info->{visibility};
1971	if (@_ >= 3) {	3352	cf::face::set_magicmap $idx, $info->{magicmap};
1972	$DB->{$_[0]}{$_[1]} = $_[2];	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1973	} else {	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978		3355
1979	cf::global->attach (	3356	cf::cede_to_tick;
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	3357	}
1984	);
1985	}
1986		3358
1987	#############################################################################	3359	while (my ($face, $info) = each %$faces) {
1988	# the server's main()	3360	next unless $info->{smooth};
1989		3361
1990	sub cfg_load {	3362	my $idx = cf::face::find $face
		3363	or next;
		3364
		3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
		3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3368	} else {
		3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3370	}
		3371
		3372	cf::cede_to_tick;
		3373	}
		3374	}
		3375
		3376	{
		3377	my $anims = $facedata->{animinfo};
		3378
		3379	while (my ($anim, $info) = each %$anims) {
		3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3381	cf::cede_to_tick;
		3382	}
		3383
		3384	cf::anim::invalidate_all; # d'oh
		3385	}
		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
		3406	1
		3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
		3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
		3452	load_resource_file "$MAPDIR/regions"
		3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
		3459	}
		3460
		3461	sub reload_facedata {
		3462	load_facedata "$DATADIR/facedata"
		3463	or die "unable to load facedata\n";
		3464	}
		3465
		3466	sub reload_archetypes {
		3467	load_resource_file "$DATADIR/archetypes"
		3468	or die "unable to load archetypes\n";
		3469	}
		3470
		3471	sub reload_treasures {
		3472	load_resource_file "$DATADIR/treasures"
		3473	or die "unable to load treasurelists\n";
		3474	}
		3475
		3476	sub reload_resources {
		3477	warn "reloading resource files...\n";
		3478
		3479	reload_facedata;
		3480	reload_archetypes;
		3481	reload_regions;
		3482	reload_treasures;
		3483
		3484	warn "finished reloading resource files\n";
		3485	}
		3486
		3487	sub reload_config {
		3488	warn "reloading config file...\n";
		3489
1991	open my $fh, "<:utf8", cf::confdir . "/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
1992	or return;	3491	or return;
1993		3492
1994	local $/;	3493	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
1996		3495
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		3497
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		3500
2002	if (exists $CFG{mlockall}) {	3501	if (exists $CFG{mlockall}) {
2003	eval {	3502	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	3505	};
2007	warn $@ if $@;	3506	warn $@ if $@;
2008	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2009	}	3538	}
2010		3539
2011	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2012	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2015	async { Event::one_event };	3553	(async {
		3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
		3556	})->prio (Coro::PRIO_MAX);
2016	};	3557	};
2017		3558
2018	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
2019	db_load;	3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
		3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2020	load_extensions;	3582	load_extensions;
2021	Event::loop;	3583
		3584	utime time, time, $RUNTIMEFILE;
		3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	cf::object::thawer::errors_are_fatal 0;
		3594	warn "parse errors in files are no longer fatal from this point on.\n";
		3595
		3596	main_loop;
2022	}	3597	}
2023		3598
2024	#############################################################################	3599	#############################################################################
2025	# initialisation	3600	# initialisation and cleanup
2026		3601
		3602	# install some emergency cleanup handlers
		3603	BEGIN {
		3604	our %SIGWATCHER = ();
		3605	for my $signal (qw(INT HUP TERM)) {
		3606	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3607	cf::cleanup "SIG$signal";
		3608	};
		3609	}
		3610	}
		3611
		3612	sub write_runtime_sync {
		3613	my $t0 = AE::time;
		3614
		3615	# first touch the runtime file to show we are still running:
		3616	# the fsync below can take a very very long time.
		3617
		3618	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3619
		3620	my $guard = cf::lock_acquire "write_runtime";
		3621
		3622	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3623	or return;
		3624
		3625	my $value = $cf::RUNTIME + 90 + 10;
		3626	# 10 is the runtime save interval, for a monotonic clock
		3627	# 60 allows for the watchdog to kill the server.
		3628
		3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3630	and return;
		3631
		3632	# always fsync - this file is important
		3633	aio_fsync $fh
		3634	and return;
		3635
		3636	# touch it again to show we are up-to-date
		3637	aio_utime $fh, undef, undef;
		3638
		3639	close $fh
		3640	or return;
		3641
		3642	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3643	and return;
		3644
		3645	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3646
		3647	1
		3648	}
		3649
		3650	our $uuid_lock;
		3651	our $uuid_skip;
		3652
		3653	sub write_uuid_sync($) {
		3654	$uuid_skip ||= $_[0];
		3655
		3656	return if $uuid_lock;
		3657	local $uuid_lock = 1;
		3658
		3659	my $uuid = "$LOCALDIR/uuid";
		3660
		3661	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3662	or return;
		3663
		3664	my $value = uuid_seq uuid_cur;
		3665
		3666	unless ($value) {
		3667	warn "cowardly refusing to write zero uuid value!\n";
		3668	return;
		3669	}
		3670
		3671	my $value = uuid_str $value + $uuid_skip;
		3672	$uuid_skip = 0;
		3673
		3674	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3675	and return;
		3676
		3677	# always fsync - this file is important
		3678	aio_fsync $fh
		3679	and return;
		3680
		3681	close $fh
		3682	or return;
		3683
		3684	aio_rename "$uuid~", $uuid
		3685	and return;
		3686
		3687	warn "uuid file written ($value).\n";
		3688
		3689	1
		3690
		3691	}
		3692
		3693	sub write_uuid($$) {
		3694	my ($skip, $sync) = @_;
		3695
		3696	$sync ? write_uuid_sync $skip
		3697	: async { write_uuid_sync $skip };
		3698	}
		3699
		3700	sub emergency_save() {
		3701	my $freeze_guard = cf::freeze_mainloop;
		3702
		3703	warn "emergency_perl_save: enter\n";
		3704
		3705	cf::sync_job {
		3706	# this is a trade-off: we want to be very quick here, so
		3707	# save all maps without fsync, and later call a global sync
		3708	# (which in turn might be very very slow)
		3709	local $USE_FSYNC = 0;
		3710
		3711	# use a peculiar iteration method to avoid tripping on perl
		3712	# refcount bugs in for. also avoids problems with players
		3713	# and maps saved/destroyed asynchronously.
		3714	warn "emergency_perl_save: begin player save\n";
		3715	for my $login (keys %cf::PLAYER) {
		3716	my $pl = $cf::PLAYER{$login} or next;
		3717	$pl->valid or next;
		3718	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3719	$pl->save;
		3720	}
		3721	warn "emergency_perl_save: end player save\n";
		3722
		3723	warn "emergency_perl_save: begin map save\n";
		3724	for my $path (keys %cf::MAP) {
		3725	my $map = $cf::MAP{$path} or next;
		3726	$map->valid or next;
		3727	$map->save;
		3728	}
		3729	warn "emergency_perl_save: end map save\n";
		3730
		3731	warn "emergency_perl_save: begin database checkpoint\n";
		3732	BDB::db_env_txn_checkpoint $DB_ENV;
		3733	warn "emergency_perl_save: end database checkpoint\n";
		3734
		3735	warn "emergency_perl_save: begin write uuid\n";
		3736	write_uuid_sync 1;
		3737	warn "emergency_perl_save: end write uuid\n";
		3738	};
		3739
		3740	warn "emergency_perl_save: starting sync()\n";
		3741	IO::AIO::aio_sync sub {
		3742	warn "emergency_perl_save: finished sync()\n";
		3743	};
		3744
		3745	warn "emergency_perl_save: leave\n";
		3746	}
		3747
		3748	sub post_cleanup {
		3749	my ($make_core) = @_;
		3750
		3751	warn Carp::longmess "post_cleanup backtrace"
		3752	if $make_core;
		3753
		3754	my $fh = pidfile;
		3755	unlink $PIDFILE if <$fh> == $$;
		3756	}
		3757
		3758	# a safer delete_package, copied from Symbol
		3759	sub clear_package($) {
		3760	my $pkg = shift;
		3761
		3762	# expand to full symbol table name if needed
		3763	unless ($pkg =~ /^main::.*::$/) {
		3764	$pkg = "main$pkg" if $pkg =~ /^::/;
		3765	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3766	$pkg .= '::' unless $pkg =~ /::$/;
		3767	}
		3768
		3769	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3770	my $stem_symtab = *{$stem}{HASH};
		3771
		3772	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3773	or return;
		3774
		3775	# clear all symbols
		3776	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3777	for my $name (keys %$leaf_symtab) {
		3778	_gv_clear *{"$pkg$name"};
		3779	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3780	}
		3781	warn "cleared package $pkg\n";#d#
		3782	}
		3783
2027	sub reload() {	3784	sub do_reload_perl() {
2028	# can/must only be called in main	3785	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	3787	warn "can only reload from main coroutine";
2031	return;	3788	return;
2032	}	3789	}
2033		3790
		3791	return if $RELOAD++;
		3792
		3793	my $t1 = AE::time;
		3794
		3795	while ($RELOAD) {
2034	warn "reloading...";	3796	warn "reloading...";
2035		3797
2036	my $guard = freeze_mainloop;	3798	warn "entering sync_job";
		3799
		3800	cf::sync_job {
		3801	cf::write_runtime_sync; # external watchdog should not bark
2037	cf::emergency_save;	3802	cf::emergency_save;
		3803	cf::write_runtime_sync; # external watchdog should not bark
2038		3804
2039	eval {	3805	warn "syncing database to disk";
		3806	BDB::db_env_txn_checkpoint $DB_ENV;
		3807
2040	# if anything goes wrong in here, we should simply crash as we already saved	3808	# if anything goes wrong in here, we should simply crash as we already saved
2041		3809
2042	# cancel all watchers	3810	warn "flushing outstanding aio requests";
2043	for (Event::all_watchers) {	3811	while (IO::AIO::nreqs || BDB::nreqs) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2045	}
2046
2047	# cancel all extension coros
2048	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();
2050
2051	# unload all extensions
2052	for (@exts) {
2053	warn "unloading <$_>";
2054	unload_extension $_;
2055	}
2056
2057	# unload all modules loaded from $LIBDIR
2058	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060
2061	warn "removing <$k>";
2062	delete $INC{$k};
2063
2064	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;
2066
2067	if (my $cb = $k->can ("unload_module")) {
2068	$cb->();
2069	}	3813	}
2070		3814
2071	Symbol::delete_package $k;	3815	warn "cancelling all extension coros";
		3816	$_->cancel for values %EXT_CORO;
		3817	%EXT_CORO = ();
		3818
		3819	warn "removing commands";
		3820	%COMMAND = ();
		3821
		3822	warn "removing ext/exti commands";
		3823	%EXTCMD = ();
		3824	%EXTICMD = ();
		3825
		3826	warn "unloading/nuking all extensions";
		3827	for my $pkg (@EXTS) {
		3828	warn "... unloading $pkg";
		3829
		3830	if (my $cb = $pkg->can ("unload")) {
		3831	eval {
		3832	$cb->($pkg);
		3833	1
		3834	} or warn "$pkg unloaded, but with errors: $@";
		3835	}
		3836
		3837	warn "... clearing $pkg";
		3838	clear_package $pkg;
2072	}	3839	}
2073		3840
2074	# sync database to disk	3841	warn "unloading all perl modules loaded from $LIBDIR";
2075	cf::db_sync;	3842	while (my ($k, $v) = each %INC) {
2076	IO::AIO::flush;	3843	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2077		3844
		3845	warn "... unloading $k";
		3846	delete $INC{$k};
		3847
		3848	$k =~ s/\.pm$//;
		3849	$k =~ s/\//::/g;
		3850
		3851	if (my $cb = $k->can ("unload_module")) {
		3852	$cb->();
		3853	}
		3854
		3855	clear_package $k;
		3856	}
		3857
2078	# get rid of safe::, as good as possible	3858	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	3859	clear_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3860	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		3861
2082	# remove register_script_function callbacks	3862	warn "unloading cf.pm \"a bit\"";
2083	# TODO
2084
2085	# unload cf.pm "a bit"
2086	delete $INC{"cf.pm"};	3863	delete $INC{"cf.pm"};
		3864	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2087		3865
2088	# don't, removes xs symbols, too,	3866	# don't, removes xs symbols, too,
2089	# and global variables created in xs	3867	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	3868	#clear_package __PACKAGE__;
2091		3869
2092	# reload cf.pm	3870	warn "unload completed, starting to reload now";
		3871
2093	warn "reloading cf.pm";	3872	warn "reloading cf.pm";
2094	require cf;	3873	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3874	cf::_connect_to_perl_1;
2096		3875
2097	# load config and database again	3876	warn "loading config and database again";
2098	cf::cfg_load;	3877	cf::reload_config;
2099	cf::db_load;
2100		3878
2101	# load extensions
2102	warn "load extensions";	3879	warn "loading extensions";
2103	cf::load_extensions;	3880	cf::load_extensions;
2104		3881
2105	# reattach attachments to objects	3882	if ($REATTACH_ON_RELOAD) {
		3883	warn "reattaching attachments to objects/players";
		3884	_global_reattach; # objects, sockets
		3885	warn "reattaching attachments to maps";
		3886	reattach $_ for values %MAP;
		3887	warn "reattaching attachments to players";
		3888	reattach $_ for values %PLAYER;
		3889	}
		3890
		3891	warn "running post_init jobs";
		3892	(pop @POST_INIT)->(1) while @POST_INIT;
		3893
		3894	warn "leaving sync_job";
		3895
		3896	1
		3897	} or do {
		3898	warn $@;
		3899	cf::cleanup "error while reloading, exiting.";
		3900	};
		3901
2106	warn "reattach";	3902	warn "reloaded";
2107	_global_reattach;	3903	--$RELOAD;
		3904	}
		3905
		3906	$t1 = AE::time - $t1;
		3907	warn "reload completed in ${t1}s\n";
		3908	};
		3909
		3910	our $RELOAD_WATCHER; # used only during reload
		3911
		3912	sub reload_perl() {
		3913	# doing reload synchronously and two reloads happen back-to-back,
		3914	# coro crashes during coro_state_free->destroy here.
		3915
		3916	$RELOAD_WATCHER ||= cf::async {
		3917	Coro::AIO::aio_wait cache_extensions;
		3918
		3919	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3920	do_reload_perl;
		3921	undef $RELOAD_WATCHER;
		3922	};
2108	};	3923	};
2109
2110	if ($@) {
2111	warn $@;
2112	warn "error while reloading, exiting.";
2113	exit 1;
2114	}
2115
2116	warn "reloaded successfully";
2117	};
2118
2119	#############################################################################
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}	3924	}
2161
2162	register "<global>", __PACKAGE__;
2163		3925
2164	register_command "reload" => sub {	3926	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	3927	my ($who, $arg) = @_;
2166		3928
2167	if ($who->flag (FLAG_WIZ)) {	3929	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");
2169	reload;
2170	$who->message ("end of reload.");	3930	$who->message ("reloading server.");
		3931	async {
		3932	$Coro::current->{desc} = "perl_reload";
		3933	reload_perl;
		3934	};
2171	}	3935	}
2172	};	3936	};
2173		3937
2174	unshift @INC, $LIBDIR;	3938	unshift @INC, $LIBDIR;
2175		3939
2176	$TICK_WATCHER = Event->timer (	3940	my $bug_warning = 0;
2177	reentrant => 0,	3941
2178	prio => 0,	3942	our @WAIT_FOR_TICK;
2179	at => $NEXT_TICK || $TICK,	3943	our @WAIT_FOR_TICK_BEGIN;
2180	data => WF_AUTOCANCEL,	3944
2181	cb => sub {	3945	sub wait_for_tick {
		3946	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3947
		3948	my $signal = new Coro::Signal;
		3949	push @WAIT_FOR_TICK, $signal;
		3950	$signal->wait;
		3951	}
		3952
		3953	sub wait_for_tick_begin {
		3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3955
		3956	my $signal = new Coro::Signal;
		3957	push @WAIT_FOR_TICK_BEGIN, $signal;
		3958	$signal->wait;
		3959	}
		3960
		3961	sub tick {
		3962	if ($Coro::current != $Coro::main) {
		3963	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3964	unless ++$bug_warning > 10;
		3965	return;
		3966	}
		3967
2182	cf::server_tick; # one server iteration	3968	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;
2185		3969
2186	# if we are delayed by four ticks or more, skip them all	3970	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		3971
2189	$TICK_WATCHER->at ($NEXT_TICK);	3972	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2190	$TICK_WATCHER->start;	3973	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2191	},	3974	Coro::async_pool {
2192	);	3975	$Coro::current->{desc} = "runtime saver";
2193
2194	IO::AIO::max_poll_time $TICK * 0.2;
2195
2196	Event->io (
2197	fd => IO::AIO::poll_fileno,
2198	poll => 'r',
2199	prio => 5,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,
2206	after => 0,
2207	interval => 10,
2208	cb => sub {
2209	(Coro::unblock_sub {
2210	write_runtime	3976	write_runtime_sync
2211	or warn "ERROR: unable to write runtime file: $!";	3977	or warn "ERROR: unable to write runtime file: $!";
2212	})->();	3978	};
2213	},	3979	}
2214	);	3980
		3981	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3982	$sig->send;
		3983	}
		3984	while (my $sig = shift @WAIT_FOR_TICK) {
		3985	$sig->send;
		3986	}
		3987
		3988	$LOAD = ($NOW - $TICK_START) / $TICK;
		3989	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3990
		3991	if (0) {
		3992	if ($NEXT_TICK) {
		3993	my $jitter = $TICK_START - $NEXT_TICK;
		3994	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3995	warn "jitter $JITTER\n";#d#
		3996	}
		3997	}
		3998	}
		3999
		4000	{
		4001	# configure BDB
		4002
		4003	BDB::min_parallel 16;
		4004	BDB::max_poll_reqs $TICK * 0.1;
		4005	$AnyEvent::BDB::WATCHER->priority (1);
		4006
		4007	unless ($DB_ENV) {
		4008	$DB_ENV = BDB::db_env_create;
		4009	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4010	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4011	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4012	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4013	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4014
		4015	cf::sync_job {
		4016	eval {
		4017	BDB::db_env_open
		4018	$DB_ENV,
		4019	$BDBDIR,
		4020	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4021	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4022	0666;
		4023
		4024	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4025	};
		4026
		4027	cf::cleanup "db_env_open(db): $@" if $@;
		4028	};
		4029	}
		4030
		4031	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4032	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4033	};
		4034	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4035	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4036	};
		4037	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4038	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4039	};
		4040	}
		4041
		4042	{
		4043	# configure IO::AIO
		4044
		4045	IO::AIO::min_parallel 8;
		4046	IO::AIO::max_poll_time $TICK * 0.1;
		4047	undef $AnyEvent::AIO::WATCHER;
		4048	}
		4049
		4050	my $_log_backtrace;
		4051
		4052	sub _log_backtrace {
		4053	my ($msg, @addr) = @_;
		4054
		4055	$msg =~ s/\n//;
		4056
		4057	# limit the # of concurrent backtraces
		4058	if ($_log_backtrace < 2) {
		4059	++$_log_backtrace;
		4060	my $perl_bt = Carp::longmess $msg;
		4061	async {
		4062	$Coro::current->{desc} = "abt $msg";
		4063
		4064	my @bt = fork_call {
		4065	@addr = map { sprintf "%x", $_ } @addr;
		4066	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4067	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4068	or die "addr2line: $!";
		4069
		4070	my @funcs;
		4071	my @res = <$fh>;
		4072	chomp for @res;
		4073	while (@res) {
		4074	my ($func, $line) = splice @res, 0, 2, ();
		4075	push @funcs, "[$func] $line";
		4076	}
		4077
		4078	@funcs
		4079	};
		4080
		4081	LOG llevInfo, "[ABT] $perl_bt\n";
		4082	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4083	LOG llevInfo, "[ABT] $_\n" for @bt;
		4084	--$_log_backtrace;
		4085	};
		4086	} else {
		4087	LOG llevInfo, "[ABT] $msg\n";
		4088	LOG llevInfo, "[ABT] [suppressed]\n";
		4089	}
		4090	}
		4091
		4092	# load additional modules
		4093	require "cf/$_.pm" for @EXTRA_MODULES;
		4094	cf::_connect_to_perl_2;
2215		4095
2216	END { cf::emergency_save }	4096	END { cf::emergency_save }
2217		4097
2218	1	4098	1
2219		4099

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