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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.531 by root, Wed Apr 28 21:07:41 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 (2); # 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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %MAP; # all maps	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
		142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
57		153
58	binmode STDOUT;	154	binmode STDOUT;
59	binmode STDERR;	155	binmode STDERR;
60		156
61	# read virtual server time, if available	157	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
66	}	162	}
67		163
68	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		165
74	# a special map that is always available	166	mkdir $_
75	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		168
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		187
79	#############################################################################	188	#############################################################################
80		189
81	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
82		191
…		…
89	=item $cf::RUNTIME	198	=item $cf::RUNTIME
90		199
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	201	every server tick.
93		202
94	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		206
96	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
98		211
99	=item $cf::NOW	212	=item $cf::NOW
100		213
101	The time of the last (current) server tick.	214	The time of the last (current) server tick.
102		215
103	=item $cf::TICK	216	=item $cf::TICK
104		217
105	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
106		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
107	=item %cf::CFG	230	=item %cf::CFG
108		231
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	233	from wherever your confdir points to.
111		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one process
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
112	=back	253	=back
113		254
114	=cut	255	=cut
115		256
116	BEGIN {	257	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	258	my $msg = join "", @_;
119	utf8::encode $msg;
120		259
121	$msg .= "\n"	260	$msg .= "\n"
122	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
123		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
124	LOG llevError, "cfperl: $msg";	265	LOG llevError, $msg;
125	};	266	};
126	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
127		281
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		289
135	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	291	# within the Safe compartment.
137	for my $pkg (qw(	292	for my $pkg (qw(
138	cf::global cf::attachable	293	cf::global cf::attachable
139	cf::object cf::object::player	294	cf::object cf::object::player
140	cf::client cf::player	295	cf::client cf::player
141	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
142	cf::map cf::party cf::region	298	cf::party cf::region
143	)) {	299	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	301	}
147		302
148	$Event::DIED = sub {	303	$EV::DIED = sub {
149	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
150	};	305	};
151		306
152	my %ext_pkg;	307	#############################################################################
153	my @exts;
154	my @hook;
155		308
156	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
157		310
158	=over 4	311	=over 4
159		312
160	=cut	313	=item dumpval $ref
161		314
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	315	=cut
163		316
		317	sub dumpval {
		318	eval {
		319	local $SIG{__DIE__};
		320	my $d;
		321	if (1) {
		322	$d = new Data::Dumper([$_[0]], ["*var"]);
		323	$d->Terse(1);
		324	$d->Indent(2);
		325	$d->Quotekeys(0);
		326	$d->Useqq(1);
		327	#$d->Bless(...);
		328	$d->Seen($_[1]) if @_ > 1;
		329	$d = $d->Dump();
		330	}
		331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		332	$d
		333	} || "[unable to dump $_[0]: '$@']";
		334	}
		335
164	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
165		337
166	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
167		339
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
176		341
177	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
178		343
179	=cut	344	=cut
180		345
181	sub to_json($) {	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	347
183	JSON::Syck::Dump $_[0]	348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
184	}	363	}
		364
		365	=item cf::lock_wait $string
		366
		367	Wait until the given lock is available. See cf::lock_acquire.
		368
		369	=item my $lock = cf::lock_acquire $string
		370
		371	Wait until the given lock is available and then acquires it and returns
		372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
		373	for example when the coroutine gets canceled), the lock is automatically
		374	returned.
		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
		379	Lock names should begin with a unique identifier (for example, cf::map::find
		380	uses map_find and cf::map::load uses map_load).
		381
		382	=item $locked = cf::lock_active $string
		383
		384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
		389
		390	sub lock_wait($) {
		391	$LOCKS->wait ($_[0]);
		392	}
		393
		394	sub lock_acquire($) {
		395	$LOCKS->guard ($_[0])
		396	}
		397
		398	sub lock_active($) {
		399	$LOCKS->count ($_[0]) < 1
		400	}
		401
		402	sub freeze_mainloop {
		403	tick_inhibit_inc;
		404
		405	&Guard::guard (\&tick_inhibit_dec);
		406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
		472	}
		473	};
		474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
		488	}
		489
		490	=item cf::async { BLOCK }
		491
		492	Currently the same as Coro::async_pool, meaning you cannot use
		493	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		494	thing you are allowed to do is call C<prio> on it.
		495
		496	=cut
		497
		498	BEGIN { *async = \&Coro::async_pool }
185		499
186	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
187		501
188	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
191		506
192	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
195	fast or be very important.	510	fast or be very important.
…		…
198		513
199	sub sync_job(&) {	514	sub sync_job(&) {
200	my ($job) = @_;	515	my ($job) = @_;
201		516
202	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
203	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
205		522
206	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
207	# (but this is cancel-safe)	524
208	local $FREEZE = 1;	525	my $freeze_guard = freeze_mainloop;
209		526
210	my $busy = 1;	527	my $busy = 1;
211	my @res;	528	my @res;
212		529
213	(Coro::async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
214	@res = eval { $job->() };	532	@res = eval { $job->() };
215	warn $@ if $@;	533	warn $@ if $@;
216	undef $busy;	534	undef $busy;
217	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
218		536
219	while ($busy) {	537	while ($busy) {
		538	if (Coro::nready) {
220	Coro::cede_notself;	539	Coro::cede_notself;
221	Event::one_event unless Coro::nready;	540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
222	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
223		548
224	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
225	} else {	550	} else {
226	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
227		552
228	$job->()	553	$job->()
229	}	554	}
230	}	555	}
231		556
232	=item $coro = cf::coro { BLOCK }	557	=item $coro = cf::async_ext { BLOCK }
233		558
234	Creates and returns a new coro. This coro is automcatially being canceled	559	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	560	extension calling this is being unloaded.
236		561
237	=cut	562	=cut
238		563
239	sub coro(&) {	564	sub async_ext(&) {
240	my $cb = shift;	565	my $cb = shift;
241		566
242	my $coro; $coro = async {	567	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		568
249	$coro->on_destroy (sub {	569	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	570	delete $EXT_CORO{$coro+0};
251	});	571	});
252	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
253		573
254	$coro	574	$coro
255	}	575	}
256		576
257	sub write_runtime {	577	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		578
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	Executes the given code block with the given arguments in a seperate
261	or return;	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
262		583
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	584	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		585
267	aio_fsync $fh	586	sub fork_call(&@) {
268	and return;	587	my ($cb, @args) = @_;
269		588
270	close $fh	589	# we seemingly have to make a local copy of the whole thing,
271	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
272		592
273	aio_rename "$runtime~", $runtime	593	my @res = Coro::Util::fork_eval {
274	and return;	594	reset_signals;
		595	&$cb
		596	}, @args;
275		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
276	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
		764	}
		765
		766	=item cf::datalog type => key => value, ...
		767
		768	Log a datalog packet of the given type with the given key-value pairs.
		769
		770	=cut
		771
		772	sub datalog($@) {
		773	my ($type, %kv) = @_;
		774	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
277	}	775	}
278		776
279	=back	777	=back
280		778
281	=cut	779	=cut
282		780
283	#############################################################################	781	#############################################################################
284		782
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402
403	#############################################################################
404
405	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
406		784
407	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
408	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
409	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
410		788
411	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
412	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
413	crossfire+).	791	Deliantra).
414		792
415	=over 4	793	=over 4
416		794
417	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
418		796
…		…
462	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
463		841
464	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
465	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
466		844
467	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
468	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
469		847
470	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
471		849
472	=over 4	850	=over 4
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	910	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	911	our @CB_MAP = ();
534		912
535	my %attachment;	913	my %attachment;
536		914
		915	sub cf::attachable::thawer_merge {
		916	# simply override everything except _meta
		917	local $_[0]{_meta};
		918	%{$_[0]} = %{$_[1]};
		919	}
		920
537	sub _attach_cb($$$$) {	921	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	922	my ($registry, $event, $prio, $cb) = @_;
539		923
540	use sort 'stable';	924	use sort 'stable';
541		925
…		…
575	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
576		960
577	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
578	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
579	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
581		965
582	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
583	my $pkg = shift @arg;	967	my $pkg = shift @arg;
584		968
585	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
614	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
615	}	999	}
616		1000
617	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
618	} else {	1002	} else {
619	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
620	}	1004	}
621		1005
622	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
623	}	1007	}
624		1008
…		…
626	if (ref $_[0]) {	1010	if (ref $_[0]) {
627	_object_attach @_;	1011	_object_attach @_;
628	} else {	1012	} else {
629	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
630	}	1014	}
		1015	_recalc_want;
631	};	1016	};
632		1017
633	# all those should be optimised	1018	# all those should be optimised
634	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
635	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
638	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
639	reattach ($obj);	1024	reattach ($obj);
640	} else {	1025	} else {
641	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
642	}	1027	}
		1028	_recalc_want;
643	};	1029	};
644		1030
645	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
646	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
647		1033
…		…
662	";	1048	";
663	die if $@;	1049	die if $@;
664	}	1050	}
665		1051
666	our $override;	1052	our $override;
667	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
668		1054
669	sub override {	1055	sub override {
670	$override = 1;	1056	$override = 1;
671	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
672	}	1058	}
673		1059
674	sub do_invoke {	1060	sub do_invoke {
675	my $event = shift;	1061	my $event = shift;
676	my $callbacks = shift;	1062	my $callbacks = shift;
677		1063
678	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
679		1065
680	local $override;	1066	local $override;
681		1067
682	for (@$callbacks) {	1068	for (@$callbacks) {
683	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
692	}	1078	}
693		1079
694	0	1080	0
695	}	1081	}
696		1082
697	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
698		1084
699	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
700		1086
701	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
702		1088
703	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
704	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
705	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
706		1092
707	=back	1093	=back
708		1094
709	=cut	1095	=cut
710		1096
711	#############################################################################	1097	#############################################################################
712	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
713		1141
714	sub reattach {	1142	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	1144	my ($obj) = @_;
		1145
		1146	# no longer needed after getting rid of delete_package?
		1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1148
718	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
719		1150
720	@$registry = ();	1151	@$registry = ();
721		1152
…		…
736	cf::attachable->attach (	1167	cf::attachable->attach (
737	prio => -1000000,	1168	prio => -1000000,
738	on_instantiate => sub {	1169	on_instantiate => sub {
739	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
740		1171
741	$data = from_json $data;	1172	$data = decode_json $data;
742		1173
743	for (@$data) {	1174	for (@$data) {
744	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
745		1176
746	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1193	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
764		1195
765	sync_job {	1196	sync_job {
766	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
769		1202
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1206	if ($cf::USE_FSYNC) {
		1207	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
773	aio_fsync $fh;	1208	aio_fsync $fh;
		1209	}
774	close $fh;	1210	aio_close $fh;
775		1211
776	if (@$objs) {	1212	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
		1217	if ($cf::USE_FSYNC) {
		1218	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
781	aio_fsync $fh;	1219	aio_fsync $fh;
		1220	}
782	close $fh;	1221	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
784	}	1223	}
785	} else {	1224	} else {
786	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
787	}	1226	}
788		1227
789	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1232	} else {
791	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
792	}	1234	}
793	} else {	1235	} else {
794	aio_unlink $filename;	1236	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
796	}	1238	}
797	}	1239	};
798	}	1240	}
799		1241
800	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
802		1244
…		…
814	or return;	1256	or return;
815		1257
816	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
818	or return;	1260	or return;
		1261
819	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
820	}	1264	}
821		1265
		1266	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
824	return ($data, $av);	1271	($data, $av)
825	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
826		1279
827	#############################################################################	1280	#############################################################################
828	# command handling &c	1281	# command handling &c
829		1282
830	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1297	}
845		1298
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1300
848	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
849		1306
850	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
851	called.	1308	called.
852		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
853	=cut	1321	=cut
854		1322
855	sub register_extcmd {	1323	sub register_extcmd {
856	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
857		1325
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	1326	$EXTCMD{$name} = $cb;
862	}	1327	}
		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
863		1336
864	cf::player->attach (	1337	cf::player->attach (
865	on_command => sub {	1338	on_unknown_command => sub {
866	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
867		1340
868	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
869	or return;	1342	or return;
870		1343
…		…
875	cf::override;	1348	cf::override;
876	},	1349	},
877	on_extcmd => sub {	1350	on_extcmd => sub {
878	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
879		1352
880	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
881		1354
882	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
885	$pl->ext_reply ($msg->{msgid}, %reply);
886	}
887	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
888	} else {	1370	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
890	}	1372	}
891		1373
892	cf::override;	1374	cf::override;
893	},	1375	},
894	);	1376	);
895		1377
896	sub register {	1378	# "readahead" all extensions
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	1379	sub cache_extensions {
903	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
904		1381
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
906	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
907	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
908	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";
910
911	warn "loading '$path' into '$pkg'\n";
912
913	open my $fh, "<:utf8", $path
914	or die "$path: $!";
915
916	my $source =
917	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })
920	. "\n};\n1";
921
922	eval $source
923	or die $@ ? "$path: $@\n"
924	: "extension disabled.\n";
925
926	push @exts, $pkg;
927	$ext_pkg{$base} = $pkg;
928
929	# no strict 'refs';
930	# @{"$pkg\::ISA"} = ext::;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }
945
946	# remove commands
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}	1385	}
955	}	1386	};
956		1387
957	# remove extcmds	1388	$grp
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	1389	}
971		1390
972	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
973	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	1396	next unless -r $path;
975	eval {	1397
976	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
977	1	1461	}
978	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
979	}	1472	};
980	}	1473	}
981		1474
982	#############################################################################	1475	#############################################################################
983	# load/save/clean perl data associated with a map
984		1476
985	*cf::mapsupport::on_clean = sub {	1477	=back
		1478
		1479	=head2 CORE EXTENSIONS
		1480
		1481	Functions and methods that extend core deliantra objects.
		1482
		1483	=cut
		1484
		1485	package cf::player;
		1486
		1487	use Coro::AIO;
		1488
		1489	=head3 cf::player
		1490
		1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
		1507	=item cf::player::find $login
		1508
		1509	Returns the given player object, loading it if necessary (might block).
		1510
		1511	=cut
		1512
		1513	sub playerdir($) {
		1514	"$PLAYERDIR/"
		1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1516	}
		1517
		1518	sub path($) {
		1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1520
		1521	(playerdir $login) . "/playerdata"
		1522	}
		1523
		1524	sub find_active($) {
		1525	$cf::PLAYER{$_[0]}
		1526	and $cf::PLAYER{$_[0]}->active
		1527	and $cf::PLAYER{$_[0]}
		1528	}
		1529
		1530	sub exists($) {
986	my ($map) = @_;	1531	my ($login) = @_;
987		1532
988	my $path = $map->tmpname;	1533	$cf::PLAYER{$login}
989	defined $path or return;	1534	or !aio_stat path $login
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}	1535	}
1002		1536
1003	# TODO: compatibility cruft, remove when no longer needed	1537	sub find($) {
		1538	return $cf::PLAYER{$_[0]} || do {
		1539	my $login = $_[0];
		1540
		1541	my $guard = cf::lock_acquire "user_find:$login";
		1542
		1543	$cf::PLAYER{$_[0]} || do {
		1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
		1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
		1559	$cf::PLAYER{$login} = $pl
		1560	}
		1561	}
		1562	}
		1563
1004	cf::player->attach (	1564	cf::player->attach (
1005	on_load => sub {	1565	on_load => sub {
1006	my ($pl, $path) = @_;	1566	my ($pl, $path) = @_;
1007		1567
1008	for my $o (all_objects $pl->ob) {	1568	# restore slots saved in save, below
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1569	my $slots = delete $pl->{_slots};
1010	$o->set_ob_key_value ("_perl_data");
1011		1570
1012	%$o = %{ Storable::thaw pack "H*", $value };	1571	$pl->ob->current_weapon ($slots->[0]);
1013	}	1572	$pl->combat_ob ($slots->[1]);
1014	}	1573	$pl->ranged_ob ($slots->[2]);
1015	},	1574	},
1016	);	1575	);
1017		1576
1018	#############################################################################	1577	sub save($) {
		1578	my ($pl) = @_;
1019		1579
1020	=head2 CORE EXTENSIONS	1580	return if $pl->{deny_save};
1021		1581
1022	Functions and methods that extend core crossfire objects.	1582	my $path = path $pl;
		1583	my $guard = cf::lock_acquire "user_save:$path";
1023		1584
1024	=head3 cf::player	1585	return if $pl->{deny_save};
		1586
		1587	aio_mkdir playerdir $pl, 0770;
		1588	$pl->{last_save} = $cf::RUNTIME;
		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
		1595	$pl->save_pl ($path);
		1596	cf::cede_to_tick;
		1597	}
		1598
		1599	sub new($) {
		1600	my ($login) = @_;
		1601
		1602	my $self = create;
		1603
		1604	$self->ob->name ($login);
		1605	$self->{deny_save} = 1;
		1606
		1607	$cf::PLAYER{$login} = $self;
		1608
		1609	$self
		1610	}
		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
		1622	=item $pl->quit_character
		1623
		1624	Nukes the player without looking back. If logged in, the connection will
		1625	be destroyed. May block for a long time.
		1626
		1627	=cut
		1628
		1629	sub quit_character {
		1630	my ($pl) = @_;
		1631
		1632	my $name = $pl->ob->name;
		1633
		1634	$pl->{deny_save} = 1;
		1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1636
		1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1641	$pl->ns->destroy if $pl->ns;
		1642
		1643	my $path = playerdir $pl;
		1644	my $temp = "$path~$cf::RUNTIME~deleting~";
		1645	aio_rename $path, $temp;
		1646	delete $cf::PLAYER{$pl->ob->name};
		1647	$pl->destroy;
		1648
		1649	my $prefix = qr<^~\Q$name\E/>;
		1650
		1651	# nuke player maps
		1652	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1653
		1654	IO::AIO::aio_rmtree $temp;
		1655	}
		1656
		1657	=item $pl->kick
		1658
		1659	Kicks a player out of the game. This destroys the connection.
		1660
		1661	=cut
		1662
		1663	sub kick {
		1664	my ($pl, $kicker) = @_;
		1665
		1666	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1667	$pl->killer ("kicked");
		1668	$pl->ns->destroy;
		1669	}
		1670
		1671	=item cf::player::list_logins
		1672
		1673	Returns am arrayref of all valid playernames in the system, can take a
		1674	while and may block, so not sync_job-capable, ever.
		1675
		1676	=cut
		1677
		1678	sub list_logins {
		1679	my $dirs = aio_readdir $PLAYERDIR
		1680	or return [];
		1681
		1682	my @logins;
		1683
		1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
		1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1691	aio_read $fh, 0, 512, my $buf, 0 or next;
		1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
		1694
		1695	utf8::decode $login;
		1696	push @logins, $login;
		1697	}
		1698
		1699	\@logins
		1700	}
		1701
		1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
		1705
		1706	Returns an arrayref of map paths that are private for this
		1707	player. May block.
		1708
		1709	=cut
		1710
		1711	sub maps($) {
		1712	my ($pl) = @_;
		1713
		1714	$pl = ref $pl ? $pl->ob->name : $pl;
		1715
		1716	my $files = aio_readdir playerdir $pl
		1717	or return;
		1718
		1719	my @paths;
		1720
		1721	for (@$files) {
		1722	utf8::decode $_;
		1723	next if /\.(?:pl|pst)$/;
		1724	next unless /^$PATH_SEP/o;
		1725
		1726	push @paths, cf::map::normalise "~$pl/$_";
		1727	}
		1728
		1729	\@paths
		1730	}
		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
		1736	=item $player->ext_reply ($msgid, @msg)
		1737
		1738	Sends an ext reply to the player.
		1739
		1740	=cut
		1741
		1742	sub ext_reply($$@) {
		1743	my ($self, $id, @msg) = @_;
		1744
		1745	$self->ns->ext_reply ($id, @msg)
		1746	}
		1747
		1748	=item $player->ext_msg ($type, @msg)
		1749
		1750	Sends an ext event to the client.
		1751
		1752	=cut
		1753
		1754	sub ext_msg($$@) {
		1755	my ($self, $type, @msg) = @_;
		1756
		1757	$self->ns->ext_msg ($type, @msg);
		1758	}
		1759
		1760	=head3 cf::region
1025		1761
1026	=over 4	1762	=over 4
1027		1763
1028	=item cf::player::exists $login
1029
1030	Returns true when the given account exists.
1031
1032	=cut	1764	=cut
1033		1765
1034	sub cf::player::exists($) {	1766	package cf::region;
1035	cf::player::find $_[0]
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1037	}
1038		1767
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1768	=item cf::region::find_by_path $path
1040		1769
1041	Sends an ext reply to the player.	1770	Tries to decuce the likely region for a map knowing only its path.
1042		1771
1043	=cut	1772	=cut
1044		1773
1045	sub cf::player::ext_reply($$$%) {	1774	sub find_by_path($) {
1046	my ($self, $id, %msg) = @_;	1775	my ($path) = @_;
1047		1776
1048	$msg{msgid} = $id;	1777	$path =~ s/^~[^\/]*//; # skip ~login
1049		1778
1050	$self->send ("ext " . to_json \%msg);	1779	my ($match, $specificity);
		1780
		1781	for my $region (list) {
		1782	if ($region->{match} && $path =~ $region->{match}) {
		1783	($match, $specificity) = ($region, $region->specificity)
		1784	if $region->specificity > $specificity;
		1785	}
		1786	}
		1787
		1788	$match
1051	}	1789	}
1052		1790
1053	=back	1791	=back
1054
1055		1792
1056	=head3 cf::map	1793	=head3 cf::map
1057		1794
1058	=over 4	1795	=over 4
1059		1796
…		…
1062	package cf::map;	1799	package cf::map;
1063		1800
1064	use Fcntl;	1801	use Fcntl;
1065	use Coro::AIO;	1802	use Coro::AIO;
1066		1803
		1804	use overload
		1805	'""' => \&as_string,
		1806	fallback => 1;
		1807
1067	our $MAX_RESET = 7200;	1808	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1809	our $DEFAULT_RESET = 3000;
1069		1810
1070	sub generate_random_map {	1811	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1072		1815
1073	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1817	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1825	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1826	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1827	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1828	(cf::region::find $rmp->{region}), $rmp->{custom}
		1829	)
1087	}	1830	}
1088		1831
1089	# and all this just because we cannot iterate over	1832	=item cf::map->register ($regex, $prio)
1090	# all maps in C++...
1091	sub change_all_map_light {
1092	my ($change) = @_;
1093		1833
1094	$_->change_map_light ($change) for values %cf::MAP;	1834	Register a handler for the map path matching the given regex at the
1095	}	1835	givne priority (higher is better, built-in handlers have priority 0, the
		1836	default).
1096		1837
1097	sub try_load_header($) {	1838	=cut
		1839
		1840	sub register {
		1841	my (undef, $regex, $prio) = @_;
		1842	my $pkg = caller;
		1843
		1844	no strict;
		1845	push @{"$pkg\::ISA"}, __PACKAGE__;
		1846
		1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1848	}
		1849
		1850	# also paths starting with '/'
		1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1852
		1853	sub thawer_merge {
		1854	my ($self, $merge) = @_;
		1855
		1856	# we have to keep some variables in memory intact
		1857	local $self->{path};
		1858	local $self->{load_path};
		1859
		1860	$self->SUPER::thawer_merge ($merge);
		1861	}
		1862
		1863	sub normalise {
1098	my ($path) = @_;	1864	my ($path, $base) = @_;
		1865
		1866	$path = "$path"; # make sure its a string
		1867
		1868	$path =~ s/\.map$//;
		1869
		1870	# map plan:
		1871	#
		1872	# /! non-realised random map exit (special hack!)
		1873	# {... are special paths that are not being touched
		1874	# ?xxx/... are special absolute paths
		1875	# ?random/... random maps
		1876	# /... normal maps
		1877	# ~user/... per-player map of a specific user
		1878
		1879	$path =~ s/$PATH_SEP/\//go;
		1880
		1881	# treat it as relative path if it starts with
		1882	# something that looks reasonable
		1883	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1884	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1885
		1886	$base =~ s{[^/]+/?$}{};
		1887	$path = "$base/$path";
		1888	}
		1889
		1890	for ($path) {
		1891	redo if s{//}{/};
		1892	redo if s{/\.?/}{/};
		1893	redo if s{/[^/]+/\.\./}{/};
		1894	}
		1895
		1896	$path
		1897	}
		1898
		1899	sub new_from_path {
		1900	my (undef, $path, $base) = @_;
		1901
		1902	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1903
		1904	$path = normalise $path, $base;
		1905
		1906	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1907	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1908	my $self = bless cf::map::new, $pkg;
		1909	$self->{path} = $path; $self->path ($path);
		1910	$self->init; # pass $1 etc.
		1911	return $self;
		1912	}
		1913	}
		1914
		1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1916	()
		1917	}
		1918
		1919	sub init {
		1920	my ($self) = @_;
		1921
		1922	$self
		1923	}
		1924
		1925	sub as_string {
		1926	my ($self) = @_;
		1927
		1928	"$self->{path}"
		1929	}
		1930
		1931	# the displayed name, this is a one way mapping
		1932	sub visible_name {
		1933	&as_string
		1934	}
		1935
		1936	# the original (read-only) location
		1937	sub load_path {
		1938	my ($self) = @_;
		1939
		1940	"$MAPDIR/$self->{path}.map"
		1941	}
		1942
		1943	# the temporary/swap location
		1944	sub save_path {
		1945	my ($self) = @_;
		1946
		1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1948	"$TMPDIR/$path.map"
		1949	}
		1950
		1951	# the unique path, undef == no special unique path
		1952	sub uniq_path {
		1953	my ($self) = @_;
		1954
		1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1956	"$UNIQUEDIR/$path"
		1957	}
		1958
		1959	sub decay_objects {
		1960	my ($self) = @_;
		1961
		1962	return if $self->{deny_reset};
		1963
		1964	$self->do_decay_objects;
		1965	}
		1966
		1967	sub unlink_save {
		1968	my ($self) = @_;
		1969
		1970	utf8::encode (my $save = $self->save_path);
		1971	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1972	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1973	}
		1974
		1975	sub load_header_from($) {
		1976	my ($self, $path) = @_;
1099		1977
1100	utf8::encode $path;	1978	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1102	or return;	1980	or return;
1103		1981
1104	my $map = cf::map::new	1982	$self->_load_header ($f)
1105	or return;	1983	or return;
1106		1984
1107	$map->load_header ($path)	1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
		1987
		1988	$self->{load_path} = $path;
		1989
		1990	1
		1991	}
		1992
		1993	sub load_header_orig {
		1994	my ($self) = @_;
		1995
		1996	$self->load_header_from ($self->load_path)
		1997	}
		1998
		1999	sub load_header_temp {
		2000	my ($self) = @_;
		2001
		2002	$self->load_header_from ($self->save_path)
		2003	}
		2004
		2005	sub prepare_temp {
		2006	my ($self) = @_;
		2007
		2008	$self->last_access ((delete $self->{last_access})
		2009	|| $cf::RUNTIME); #d#
		2010	# safety
		2011	$self->{instantiate_time} = $cf::RUNTIME
		2012	if $self->{instantiate_time} > $cf::RUNTIME;
		2013	}
		2014
		2015	sub prepare_orig {
		2016	my ($self) = @_;
		2017
		2018	$self->{load_original} = 1;
		2019	$self->{instantiate_time} = $cf::RUNTIME;
		2020	$self->last_access ($cf::RUNTIME);
		2021	$self->instantiate;
		2022	}
		2023
		2024	sub load_header {
		2025	my ($self) = @_;
		2026
		2027	if ($self->load_header_temp) {
		2028	$self->prepare_temp;
		2029	} else {
		2030	$self->load_header_orig
1108	or return;	2031	or return;
		2032	$self->prepare_orig;
		2033	}
1109		2034
1110	$map->{load_path} = $path;	2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
1111		2037
1112	$map	2038	$self->default_region (cf::region::find_by_path $self->{path})
1113	}	2039	unless $self->default_region;
1114		2040
		2041	1
		2042	}
		2043
		2044	sub find;
1115	sub find_map {	2045	sub find {
1116	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1117		2047
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
		2051	my $guard2 = cf::lock_acquire "map_find:$path";
		2052
1123	$cf::MAP{$key} || do {	2053	$cf::MAP{$path} || do {
1124	# do it the slow way	2054	my $map = new_from_path cf::map $path
1125	my $map = try_load_header $path->save_path;
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	2055	or return;
1139		2056
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		2058
1154	if ($map->should_reset) {	2059	$map->load_header
		2060	or return;
		2061
		2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2063	# doing this can freeze the server in a sync job, obviously
		2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1155	$map->reset;	2067	$map->reset;
1156	$map = find_map $path;	2068	return find $path;
1157	}	2069	}
1158		2070
1159	$cf::MAP{$key} = $map	2071	$cf::MAP{$path} = $map
1160	}	2072	}
1161	}	2073	}
		2074
		2075	sub pre_load { }
		2076	#sub post_load { } # XS
1162		2077
1163	sub load {	2078	sub load {
1164	my ($self) = @_;	2079	my ($self) = @_;
1165		2080
1166	return if $self->in_memory != cf::MAP_SWAPPED;	2081	local $self->{deny_reset} = 1; # loading can take a long time
1167
1168	$self->in_memory (cf::MAP_LOADING);
1169		2082
1170	my $path = $self->{path};	2083	my $path = $self->{path};
1171		2084
		2085	{
		2086	my $guard = cf::lock_acquire "map_data:$path";
		2087
		2088	return unless $self->valid;
		2089	return unless $self->in_memory == cf::MAP_SWAPPED;
		2090
		2091	$self->in_memory (cf::MAP_LOADING);
		2092
1172	$self->alloc;	2093	$self->alloc;
1173	$self->load_objects ($self->{load_path}, 1)	2094
		2095	$self->pre_load;
		2096	cf::cede_to_tick;
		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
		2100	$self->_load_objects ($f)
1174	or return;	2101	or return;
1175		2102
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1177	if delete $self->{load_original};	2104	if delete $self->{load_original};
1178		2105
1179	if (my $uniq = $path->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	2107	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1182	$self->clear_unique_items;	2110	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1184	}	2114	}
1185	}	2115	}
1186		2116
		2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1187	# now do the right thing for maps	2120	# now do the right thing for maps
1188	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1189
1190	if ($self->{path}->is_style_map) {
1191	$self->{deny_save} = 1;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;
1197	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	2123	unless $self->difficulty;
		2124	cf::cede_to_tick;
		2125
		2126	unless ($self->{deny_activate}) {
		2127	$self->decay_objects;
		2128	$self->fix_auto_apply;
		2129	$self->update_buttons;
		2130	cf::cede_to_tick;
1200	$self->activate;	2131	$self->activate;
1201	}	2132	}
1202		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1203	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1204	}	2138	}
1205		2139
1206	sub load_map_sync {	2140	$self->post_load;
		2141	}
		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
		2146	sub customise_for {
		2147	my ($self, $ob) = @_;
		2148
		2149	return find "~" . $ob->name . "/" . $self->{path}
		2150	if $self->per_player;
		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
		2155	$self
		2156	}
		2157
		2158	# find and load all maps in the 3x3 area around a map
		2159	sub load_neighbours {
		2160	my ($map) = @_;
		2161
		2162	my @neigh; # diagonal neighbours
		2163
		2164	for (0 .. 3) {
		2165	my $neigh = $map->tile_path ($_)
		2166	or next;
		2167	$neigh = find $neigh, $map
		2168	or next;
		2169	$neigh->load;
		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
		2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2175	}
		2176
		2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
		2179	my $neigh = find $path, $origin
		2180	or next;
		2181	$neigh->load;
		2182	}
		2183	}
		2184
		2185	sub find_sync {
1207	my ($path, $origin) = @_;	2186	my ($path, $origin) = @_;
1208		2187
1209	#warn "load_map_sync<$path, $origin>\n";#d#	2188	cf::sync_job { find $path, $origin }
		2189	}
1210		2190
		2191	sub do_load_sync {
		2192	my ($map) = @_;
		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
		2197	cf::sync_job { $map->load };
		2198	}
		2199
		2200	our %MAP_PREFETCH;
		2201	our $MAP_PREFETCHER = undef;
		2202
		2203	sub find_async {
		2204	my ($path, $origin, $load) = @_;
		2205
		2206	$path = normalise $path, $origin && $origin->{path};
		2207
		2208	if (my $map = $cf::MAP{$path}) {
		2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2210	}
		2211
		2212	$MAP_PREFETCH{$path} |= $load;
		2213
		2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
		2217	while (%MAP_PREFETCH) {
		2218	while (my ($k, $v) = each %MAP_PREFETCH) {
		2219	if (my $map = find $k) {
		2220	$map->load if $v;
		2221	}
		2222
		2223	delete $MAP_PREFETCH{$k};
		2224	}
		2225	}
		2226	undef $MAP_PREFETCHER;
		2227	};
		2228	$MAP_PREFETCHER->prio (6);
		2229
		2230	()
		2231	}
		2232
		2233	# common code, used by both ->save and ->swapout
		2234	sub _save {
		2235	my ($self) = @_;
		2236
		2237	$self->{last_save} = $cf::RUNTIME;
		2238
		2239	return unless $self->dirty;
		2240
		2241	my $save = $self->save_path; utf8::encode $save;
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->{load_path} = $save;
		2245
		2246	return if $self->{deny_save};
		2247
		2248	local $self->{last_access} = $self->last_access;#d#
		2249
1211	cf::sync_job {	2250	cf::async {
1212	my $map = cf::map::find_map $path, $origin	2251	$Coro::current->{desc} = "map player save";
1213	or return;	2252	$_->contr->save for $self->players;
1214	$map->load;	2253	};
1215	$map	2254
		2255	cf::get_slot 0.02;
		2256
		2257	if ($uniq) {
		2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2260	} else {
		2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	2262	}
1217	}	2263	}
1218		2264
1219	sub save {	2265	sub save {
1220	my ($self) = @_;	2266	my ($self) = @_;
1221		2267
1222	$self->{last_save} = $cf::RUNTIME;	2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
1223		2269
1224	return unless $self->dirty;	2270	$self->_save;
1225
1226	my $save = $self->{path}->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1228
1229	$self->{load_path} = $save;
1230
1231	return if $self->{deny_save};
1232
1233	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}
1239	}	2271	}
1240		2272
1241	sub swap_out {	2273	sub swap_out {
1242	my ($self) = @_;	2274	my ($self) = @_;
1243		2275
		2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1244	return if $self->players;	2280	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};
1247		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
1248	$self->save;	2288	$self->_save;
		2289
		2290	# then free the map
1249	$self->clear;	2291	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);
1251	}	2292	}
1252		2293
1253	sub reset_at {	2294	sub reset_at {
1254	my ($self) = @_;	2295	my ($self) = @_;
1255		2296
1256	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};
1258	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1259		2299
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		2302
…		…
1267	my ($self) = @_;	2307	my ($self) = @_;
1268		2308
1269	$self->reset_at <= $cf::RUNTIME	2309	$self->reset_at <= $cf::RUNTIME
1270	}	2310	}
1271		2311
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	2312	sub reset {
1294	my ($self) = @_;	2313	my ($self) = @_;
1295		2314
		2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2316
1296	return if $self->players;	2317	return if $self->players;
1297	return if $self->{path}{user_rel};#d#
1298		2318
1299	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
		2320
		2321	$self->in_memory (cf::MAP_SWAPPED);
		2322
		2323	# need to save uniques path
		2324	unless ($self->{deny_save}) {
		2325	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2326
		2327	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2328	if $uniq;
		2329	}
1300		2330
1301	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1302		2332
		2333	$self->deactivate;
1303	$_->clear_links_to ($self) for values %cf::MAP;	2334	$_->clear_links_to ($self) for values %cf::MAP;
		2335	$self->clear;
1304		2336
1305	$self->unlink_save;	2337	$self->unlink_save;
1306	$self->destroy;	2338	$self->destroy;
1307	}	2339	}
1308		2340
1309	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1310		2342
1311	sub nuke {	2343	sub nuke {
1312	my ($self) = @_;	2344	my ($self) = @_;
1313		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
		2349	delete $cf::MAP{$self->path};
		2350
		2351	$self->unlink_save;
		2352
		2353	bless $self, "cf::map::wrap";
		2354	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2358
		2359	$cf::MAP{$self->path} = $self;
		2360	}
		2361
1317	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
1318	}	2363	}
1319		2364
1320	sub customise_for {	2365	=item $maps = cf::map::tmp_maps
1321	my ($map, $ob) = @_;
1322		2366
1323	if ($map->per_player) {	2367	Returns an arrayref with all map paths of currently instantiated and saved
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
1325	}	2373	[
1326		2374	map {
1327	$map	2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
1328	}	2381	}
1329		2382
1330	sub emergency_save {	2383	=item $maps = cf::map::random_maps
1331	local $cf::FREEZE = 1;
1332		2384
1333	warn "enter emergency map save\n";	2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
1334		2387
1335	cf::sync_job {	2388	=cut
1336	warn "begin emergency map save\n";	2389
1337	$_->save for values %cf::MAP;	2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item cf::map::unique_maps
		2402
		2403	Returns an arrayref of paths of all shared maps that have
		2404	instantiated unique items. May block.
		2405
		2406	=cut
		2407
		2408	sub unique_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
		2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
1338	};	2447	}
1339		2448
1340	warn "end emergency map save\n";	2449	\@maps
		2450	}
		2451
		2452	=back
		2453
		2454	=head3 cf::object
		2455
		2456	=cut
		2457
		2458	package cf::object;
		2459
		2460	=over 4
		2461
		2462	=item $ob->inv_recursive
		2463
		2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
		2466
		2467	=cut
		2468
		2469	sub inv_recursive_;
		2470	sub inv_recursive_ {
		2471	map { $_, inv_recursive_ $_->inv } @_
		2472	}
		2473
		2474	sub inv_recursive {
		2475	inv_recursive_ inv $_[0]
		2476	}
		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
1341	}	2504	}
1342		2505
1343	package cf;	2506	package cf;
1344		2507
1345	=back	2508	=back
1346
1347		2509
1348	=head3 cf::object::player	2510	=head3 cf::object::player
1349		2511
1350	=over 4	2512	=over 4
1351		2513
…		…
1354	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1355	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1356	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1357		2519
1358	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1359		2535
1360	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1361	# with dialog boxes.	2537	# with dialog boxes.
1362	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1363	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1365		2541
1366	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1367		2543
1368	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1369	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1370	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1371	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1372	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1373	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1374	}	2569	}
1375		2570
1376	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1377		2572
1378	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1391		2586
1392	=item $player_object->enter_link	2587	=item $player_object->enter_link
1393		2588
1394	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1395		2590
1396	The player should be reaosnably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1397	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
		2595
		2596	Will never block.
1398		2597
1399	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1400		2599
1401	Moves the player out of the specila link map onto the given map. If the	2600	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	2601	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	2602	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	2603	fails, to the emergency map position.
1405		2604
1406	Might block.	2605	Might block.
1407		2606
1408	=cut	2607	=cut
		2608
		2609	sub link_map {
		2610	unless ($LINK_MAP) {
		2611	$LINK_MAP = cf::map::find "{link}"
		2612	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2613	$LINK_MAP->load;
		2614	}
		2615
		2616	$LINK_MAP
		2617	}
1409		2618
1410	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1411	my ($self) = @_;	2620	my ($self) = @_;
1412		2621
1413	return if $self->map == $LINK_MAP;
1414
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;
1417
1418	$self->enter_map ($LINK_MAP, 20, 20);
1419	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
		2623
		2624	++$self->{_link_recursion};
		2625
		2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2627
		2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2629	if $self->map && $self->map->{path} ne "{link}";
		2630
		2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1420	}	2632	}
1421		2633
1422	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1424		2638
1425	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1426		2640
1427	unless ($map) {	2641	unless ($map) {
1428	# restore original map position	2642	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	2643	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	2644	$map = cf::map::find $map;
1431		2645
1432	unless ($map) {	2646	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	2647	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	2648	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	2649	or die "FATAL: cannot load emergency map\n";
1436	}	2650	}
1437	}	2651	}
1438		2652
1439	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1440	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1441		2655
1442	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1445		2659
1446	$map->load;	2660	$map->load;
		2661	$map->load_neighbours;
1447		2662
		2663	return unless $self->contr->active;
		2664
		2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2666	if ($self->enter_map ($map, $x, $y)) {
		2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
1448	$self->activate_recursive;	2670	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	2671	}
1450	}
1451		2672
1452	=item $player_object->goto_map ($path, $x, $y)	2673	}
1453		2674
1454	=cut	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1455		2676
		2677	Moves the player to the given map-path and coordinates by first freezing
		2678	her, loading and preparing them map, calling the provided $check callback
		2679	that has to return the map if sucecssful, and then unfreezes the player on
		2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
		2686	=cut
		2687
		2688	our $GOTOGEN;
		2689
1456	sub cf::object::player::goto_map {	2690	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
		2698
		2699	# do generation counting so two concurrent goto's will be executed in-order
		2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1458		2701
1459	$self->enter_link;	2702	$self->enter_link;
1460		2703
1461	(Coro::async {	2704	(async {
1462	$path = new cf::path $path;	2705	$Coro::current->{desc} = "player::goto $path $x $y";
1463		2706
1464	my $map = cf::map::find_map $path->as_string;	2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
		2726	my $map = eval {
		2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1465	$map = $map->customise_for ($self) if $map;	2730	$map = $map->customise_for ($self);
1466		2731	$map = $check->($map, $x, $y, $self) if $check && $map;
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	2732	} else {
1468	# if $map;
1469
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2734	}
1471		2735
		2736	$map
		2737	};
		2738
		2739	if ($@) {
		2740	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	LOG llevError | logBacktrace, Carp::longmess $@;
		2742	}
		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1472	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1473	})->prio (1);	2750	})->prio (1);
1474	}	2751	}
1475		2752
1476	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1477		2754
…		…
1479		2756
1480	sub parse_random_map_params {	2757	sub parse_random_map_params {
1481	my ($spec) = @_;	2758	my ($spec) = @_;
1482		2759
1483	my $rmp = { # defaults	2760	my $rmp = { # defaults
1484	xsize => 10,	2761	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	2762	ysize => (cf::rndm 15, 40),
		2763	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2764	#layout => string,
1486	};	2765	};
1487		2766
1488	for (split /\n/, $spec) {	2767	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	2768	my ($k, $v) = split /\s+/, $_, 2;
1490		2769
…		…
1502	# that depends on the exit object	2781	# that depends on the exit object
1503		2782
1504	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
1505		2784
1506	if ($exit->map) {	2785	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	2786	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1511	}	2792	}
1512		2793
1513	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1514		2795
1515	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1516	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
		2798	my $meta = "$RANDOMDIR/$md5.meta";
1517		2799
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
		2802	undef $fh;
		2803	aio_rename "$meta~", $meta;
1520		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1521	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
1523	}	2811	}
1524	}	2812	}
1525		2813
1526	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
1528		2816
1529	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
1530		2818
1531	$self->enter_link;	2819	$self->enter_link;
1532		2820
1533	(Coro::async {	2821	(async {
		2822	$Coro::current->{desc} = "enter_exit";
		2823
1534	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
1535		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
1536	prepare_random_map $exit	2831	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	2832	if $exit->slaying eq "/!";
		2833	}
1538		2834
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
1541		2838
		2839	$self->goto ($map, $x, $y);
		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
1542	1;	2845	1
1543	}) {	2846	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
1545	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	2849	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
1548		2851
1549	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	2853	$self->leave_link;
1551	}	2854	}
1552	})->prio (1);	2855	})->prio (1);
…		…
1565		2868
1566	sub cf::client::send_drawinfo {	2869	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2870	my ($self, $text, $flags) = @_;
1568		2871
1569	utf8::encode $text;	2872	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2874	}
1572		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
		3063	=item $client->ext_msg ($type, @msg)
		3064
		3065	Sends an ext event to the client.
		3066
		3067	=cut
		3068
		3069	sub cf::client::ext_msg($$@) {
		3070	my ($self, $type, @msg) = @_;
		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
		3075	push @msg, msgtype => "event_$type";
		3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
1573		3097
1574	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
1575		3099
1576	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
1577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1579		3103
1580	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
1581	reliable at some point in the future.	3105	become reliable at some point in the future.
1582		3106
1583	=cut	3107	=cut
1584		3108
1585	sub cf::client::query {	3109	sub cf::client::query {
1586	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
1594	utf8::encode $text;	3118	utf8::encode $text;
1595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1596		3120
1597	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
1598	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
1599	}	3125	}
1600		3126
1601	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
1602	on_reply => sub {	3133	on_reply => sub {
1603	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
1604		3135
1605	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
1606	# get handled first	3137	# get handled first
1607	my $queue = delete $ns->{query_queue};	3138	my $queue = delete $ns->{query_queue}
		3139	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		3140
1609	(shift @$queue)->[1]->($msg);	3141	(shift @$queue)->[1]->($msg);
		3142	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		3143
1611	push @{ $ns->{query_queue} }, @$queue;	3144	push @{ $ns->{query_queue} }, @$queue;
1612		3145
1613	if (@{ $ns->{query_queue} } == @$queue) {	3146	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	3147	if (@$queue) {
…		…
1616	} else {	3149	} else {
1617	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1618	}	3151	}
1619	}	3152	}
1620	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
1621	);	3180	);
1622		3181
1623	=item $client->coro (\&cb)	3182	=item $client->async (\&cb)
1624		3183
1625	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	3185	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	3186	or loss of connection).
1628		3187
1629	=cut	3188	=cut
1630		3189
1631	sub cf::client::coro {	3190	sub cf::client::async {
1632	my ($self, $cb) = @_;	3191	my ($self, $cb) = @_;
1633		3192
1634	my $coro; $coro = async {	3193	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		3194
1641	$coro->on_destroy (sub {	3195	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	3196	delete $self->{_coro}{$coro+0};
1643	});	3197	});
1644		3198
…		…
1646		3200
1647	$coro	3201	$coro
1648	}	3202	}
1649		3203
1650	cf::client->attach (	3204	cf::client->attach (
1651	on_destroy => sub {	3205	on_client_destroy => sub {
1652	my ($ns) = @_;	3206	my ($ns) = @_;
1653		3207
1654	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1655	},	3209	},
1656	);	3210	);
…		…
1671	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
1672	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
1673		3227
1674	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
1675		3229
1676	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
1677		3235
1678	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
1679		3237
1680	=pod	3238	=pod
1681		3239
1682	The following fucntions and emthods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
1683		3241
1684	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
1685	cf::object::player player	3247	cf::object::player
1686	cf::player peaceful	3248	player
1687	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
1688		3255
1689	=cut	3256	=cut
1690		3257
1691	for (	3258	for (
1692	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
1693	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
1694	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
1695	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
1696	) {	3265	) {
1697	no strict 'refs';	3266	no strict 'refs';
1698	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
1699	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1717		3286
1718	my $qcode = $code;	3287	my $qcode = $code;
1719	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1720	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
1721		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
1722	local $_;	3294	local $_;
1723	local @safe::cf::_safe_eval_args = values %vars;
1724		3295
1725	my $eval =	3296	my $eval =
1726	"do {\n"	3297	"do {\n"
1727	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1728	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
1729	. $code	3300	. $code
1730	. "\n}"	3301	. "\n}"
1731	;	3302	;
1732		3303
		3304	if ($CFG{safe_eval}) {
1733	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
1734	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1735	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
1736		3313
1737	if ($@) {	3314	if ($@) {
1738	warn "$@";	3315	warn "$@";
1739	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
1740	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1759	=cut	3336	=cut
1760		3337
1761	sub register_script_function {	3338	sub register_script_function {
1762	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
1763		3340
1764	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
1765	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
1766	}	3343	}
1767		3344
1768	=back	3345	=back
1769		3346
1770	=cut	3347	=cut
1771		3348
1772	#############################################################################	3349	#############################################################################
		3350	# the server's init and main functions
1773		3351
1774	=head2 EXTENSION DATABASE SUPPORT	3352	sub load_facedata($) {
		3353	my ($path) = @_;
1775		3354
1776	Crossfire maintains a very simple database for extension use. It can	3355	# HACK to clear player env face cache, we need some signal framework
1777	currently store anything that can be serialised using Storable, which	3356	# for this (global event?)
1778	excludes objects.	3357	%ext::player_env::MUSIC_FACE_CACHE = ();
1779		3358
1780	The parameter C<$family> should best start with the name of the extension	3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1781	using it, it should be unique.
1782		3360
1783	=over 4	3361	warn "loading facedata from $path\n";
1784		3362
1785	=item $hashref = cf::db_get $family	3363	my $facedata;
		3364	0 < aio_load $path, $facedata
		3365	or die "$path: $!";
1786		3366
1787	Return a hashref for use by the extension C<$family>, which can be	3367	$facedata = Coro::Storable::thaw $facedata;
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790		3368
1791	=item $value = cf::db_get $family => $key	3369	$facedata->{version} == 2
		3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
1792		3371
1793	Returns a single value from the database	3372	# patch in the exptable
1794		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1795	=item cf::db_put $family => $hashref	3374	$facedata->{resource}{"res/exp_table"} = {
1796		3375	type => FT_RSRC,
1797	Stores the given family hashref into the database. Updates are delayed, if	3376	data => $exp_table,
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3377	hash => (Digest::MD5::md5 $exp_table),
1799
1800	=item cf::db_put $family => $key => $value
1801
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812
1813	=cut
1814
1815	our $DB;
1816
1817	{
1818	my $path = cf::localdir . "/database.pst";
1819
1820	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };
1823	}
1824
1825	my $pid;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});	3378	};
		3379	cf::cede_to_tick;
1848		3380
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}	3381	{
		3382	my $faces = $facedata->{faceinfo};
1853		3383
1854	sub db_get($;$) {	3384	while (my ($face, $info) = each %$faces) {
1855	@_ >= 2	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859		3386
1860	sub db_put($$;$) {	3387	cf::face::set_visibility $idx, $info->{visibility};
1861	if (@_ >= 3) {	3388	cf::face::set_magicmap $idx, $info->{magicmap};
1862	$DB->{$_[0]}{$_[1]} = $_[2];	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1863	} else {	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868		3391
1869	cf::global->attach (	3392	cf::cede_to_tick;
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	3393	}
1874	);
1875	}
1876		3394
1877	#############################################################################	3395	while (my ($face, $info) = each %$faces) {
1878	# the server's main()	3396	next unless $info->{smooth};
1879		3397
1880	sub cfg_load {	3398	my $idx = cf::face::find $face
		3399	or next;
		3400
		3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
		3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3404	} else {
		3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3406	}
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410	}
		3411
		3412	{
		3413	my $anims = $facedata->{animinfo};
		3414
		3415	while (my ($anim, $info) = each %$anims) {
		3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3417	cf::cede_to_tick;
		3418	}
		3419
		3420	cf::anim::invalidate_all; # d'oh
		3421	}
		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
		3442	1
		3443	}
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_sound {
		3493	warn "loading sound config from $DATADIR/sound\n";
		3494
		3495	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3496	or die "$DATADIR/sound $!";
		3497
		3498	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3499
		3500	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3501	my $sound = $soundconf->{compat}[$_]
		3502	or next;
		3503
		3504	my $face = cf::face::find "sound/$sound->[1]";
		3505	cf::sound::set $sound->[0] => $face;
		3506	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3507	}
		3508
		3509	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3510	my $face = cf::face::find "sound/$v";
		3511	cf::sound::set $k => $face;
		3512	}
		3513	}
		3514
		3515	sub reload_resources {
		3516	warn "reloading resource files...\n";
		3517
		3518	reload_facedata;
		3519	reload_sound;
		3520	reload_archetypes;
		3521	reload_regions;
		3522	reload_treasures;
		3523
		3524	warn "finished reloading resource files\n";
		3525	}
		3526
		3527	sub reload_config {
		3528	warn "reloading config file...\n";
		3529
1881	open my $fh, "<:utf8", cf::confdir . "/config"	3530	open my $fh, "<:utf8", "$CONFDIR/config"
1882	or return;	3531	or return;
1883		3532
1884	local $/;	3533	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	3534	*CFG = YAML::XS::Load scalar <$fh>;
		3535
		3536	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3537
		3538	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3539	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3540
		3541	if (exists $CFG{mlockall}) {
		3542	eval {
		3543	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3544	and die "WARNING: m(un)lockall failed: $!\n";
		3545	};
		3546	warn $@ if $@;
		3547	}
		3548
		3549	warn "finished reloading resource files\n";
		3550	}
		3551
		3552	sub pidfile() {
		3553	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3554	or die "$PIDFILE: $!";
		3555	flock $fh, &Fcntl::LOCK_EX
		3556	or die "$PIDFILE: flock: $!";
		3557	$fh
		3558	}
		3559
		3560	# make sure only one server instance is running at any one time
		3561	sub atomic {
		3562	my $fh = pidfile;
		3563
		3564	my $pid = <$fh>;
		3565	kill 9, $pid if $pid > 0;
		3566
		3567	seek $fh, 0, 0;
		3568	print $fh $$;
		3569	}
		3570
		3571	sub main_loop {
		3572	warn "EV::loop starting\n";
		3573	if (1) {
		3574	EV::loop;
		3575	}
		3576	warn "EV::loop returned\n";
		3577	goto &main_loop unless $REALLY_UNLOOP;
1886	}	3578	}
1887		3579
1888	sub main {	3580	sub main {
		3581	cf::init_globals; # initialise logging
		3582
		3583	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3584	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3585	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3586	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3587
		3588	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3589
1889	# we must not ever block the main coroutine	3590	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	3591	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3592	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	3593	(async {
1893	Event::one_event;	3594	$Coro::current->{desc} = "IDLE BUG HANDLER";
1894	})->();	3595	EV::loop EV::LOOP_ONESHOT;
		3596	})->prio (Coro::PRIO_MAX);
1895	};	3597	};
1896		3598
1897	cfg_load;	3599	evthread_start IO::AIO::poll_fileno;
1898	db_load;	3600
		3601	cf::sync_job {
		3602	cf::init_experience;
		3603	cf::init_anim;
		3604	cf::init_attackmess;
		3605	cf::init_dynamic;
		3606
		3607	cf::load_settings;
		3608	cf::load_materials;
		3609
		3610	reload_resources;
		3611	reload_config;
		3612	db_init;
		3613
		3614	cf::init_uuid;
		3615	cf::init_signals;
		3616	cf::init_skills;
		3617
		3618	cf::init_beforeplay;
		3619
		3620	atomic;
		3621
1899	load_extensions;	3622	load_extensions;
1900	Event::loop;	3623
		3624	utime time, time, $RUNTIMEFILE;
		3625
		3626	# no (long-running) fork's whatsoever before this point(!)
		3627	use POSIX ();
		3628	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3629
		3630	(pop @POST_INIT)->(0) while @POST_INIT;
		3631	};
		3632
		3633	cf::object::thawer::errors_are_fatal 0;
		3634	warn "parse errors in files are no longer fatal from this point on.\n";
		3635
		3636	main_loop;
1901	}	3637	}
1902		3638
1903	#############################################################################	3639	#############################################################################
1904	# initialisation	3640	# initialisation and cleanup
1905		3641
		3642	# install some emergency cleanup handlers
		3643	BEGIN {
		3644	our %SIGWATCHER = ();
		3645	for my $signal (qw(INT HUP TERM)) {
		3646	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3647	cf::cleanup "SIG$signal";
		3648	};
		3649	}
		3650	}
		3651
		3652	sub write_runtime_sync {
		3653	my $t0 = AE::time;
		3654
		3655	# first touch the runtime file to show we are still running:
		3656	# the fsync below can take a very very long time.
		3657
		3658	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3659
		3660	my $guard = cf::lock_acquire "write_runtime";
		3661
		3662	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3663	or return;
		3664
		3665	my $value = $cf::RUNTIME + 90 + 10;
		3666	# 10 is the runtime save interval, for a monotonic clock
		3667	# 60 allows for the watchdog to kill the server.
		3668
		3669	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3670	and return;
		3671
		3672	# always fsync - this file is important
		3673	aio_fsync $fh
		3674	and return;
		3675
		3676	# touch it again to show we are up-to-date
		3677	aio_utime $fh, undef, undef;
		3678
		3679	close $fh
		3680	or return;
		3681
		3682	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3683	and return;
		3684
		3685	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3686
		3687	1
		3688	}
		3689
		3690	our $uuid_lock;
		3691	our $uuid_skip;
		3692
		3693	sub write_uuid_sync($) {
		3694	$uuid_skip ||= $_[0];
		3695
		3696	return if $uuid_lock;
		3697	local $uuid_lock = 1;
		3698
		3699	my $uuid = "$LOCALDIR/uuid";
		3700
		3701	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3702	or return;
		3703
		3704	my $value = uuid_seq uuid_cur;
		3705
		3706	unless ($value) {
		3707	warn "cowardly refusing to write zero uuid value!\n";
		3708	return;
		3709	}
		3710
		3711	my $value = uuid_str $value + $uuid_skip;
		3712	$uuid_skip = 0;
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	close $fh
		3722	or return;
		3723
		3724	aio_rename "$uuid~", $uuid
		3725	and return;
		3726
		3727	warn "uuid file written ($value).\n";
		3728
		3729	1
		3730
		3731	}
		3732
		3733	sub write_uuid($$) {
		3734	my ($skip, $sync) = @_;
		3735
		3736	$sync ? write_uuid_sync $skip
		3737	: async { write_uuid_sync $skip };
		3738	}
		3739
		3740	sub emergency_save() {
		3741	my $freeze_guard = cf::freeze_mainloop;
		3742
		3743	warn "emergency_perl_save: enter\n";
		3744
		3745	cf::sync_job {
		3746	# this is a trade-off: we want to be very quick here, so
		3747	# save all maps without fsync, and later call a global sync
		3748	# (which in turn might be very very slow)
		3749	local $USE_FSYNC = 0;
		3750
		3751	# use a peculiar iteration method to avoid tripping on perl
		3752	# refcount bugs in for. also avoids problems with players
		3753	# and maps saved/destroyed asynchronously.
		3754	warn "emergency_perl_save: begin player save\n";
		3755	for my $login (keys %cf::PLAYER) {
		3756	my $pl = $cf::PLAYER{$login} or next;
		3757	$pl->valid or next;
		3758	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3759	$pl->save;
		3760	}
		3761	warn "emergency_perl_save: end player save\n";
		3762
		3763	warn "emergency_perl_save: begin map save\n";
		3764	for my $path (keys %cf::MAP) {
		3765	my $map = $cf::MAP{$path} or next;
		3766	$map->valid or next;
		3767	$map->save;
		3768	}
		3769	warn "emergency_perl_save: end map save\n";
		3770
		3771	warn "emergency_perl_save: begin database checkpoint\n";
		3772	BDB::db_env_txn_checkpoint $DB_ENV;
		3773	warn "emergency_perl_save: end database checkpoint\n";
		3774
		3775	warn "emergency_perl_save: begin write uuid\n";
		3776	write_uuid_sync 1;
		3777	warn "emergency_perl_save: end write uuid\n";
		3778	};
		3779
		3780	warn "emergency_perl_save: starting sync()\n";
		3781	IO::AIO::aio_sync sub {
		3782	warn "emergency_perl_save: finished sync()\n";
		3783	};
		3784
		3785	warn "emergency_perl_save: leave\n";
		3786	}
		3787
		3788	sub post_cleanup {
		3789	my ($make_core) = @_;
		3790
		3791	warn Carp::longmess "post_cleanup backtrace"
		3792	if $make_core;
		3793
		3794	my $fh = pidfile;
		3795	unlink $PIDFILE if <$fh> == $$;
		3796	}
		3797
		3798	# a safer delete_package, copied from Symbol
		3799	sub clear_package($) {
		3800	my $pkg = shift;
		3801
		3802	# expand to full symbol table name if needed
		3803	unless ($pkg =~ /^main::.*::$/) {
		3804	$pkg = "main$pkg" if $pkg =~ /^::/;
		3805	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3806	$pkg .= '::' unless $pkg =~ /::$/;
		3807	}
		3808
		3809	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3810	my $stem_symtab = *{$stem}{HASH};
		3811
		3812	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3813	or return;
		3814
		3815	# clear all symbols
		3816	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3817	for my $name (keys %$leaf_symtab) {
		3818	_gv_clear *{"$pkg$name"};
		3819	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3820	}
		3821	}
		3822
1906	sub reload() {	3823	sub do_reload_perl() {
1907	# can/must only be called in main	3824	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	3825	if (in_main) {
1909	warn "can only reload from main coroutine\n";	3826	warn "can only reload from main coroutine";
1910	return;	3827	return;
1911	}	3828	}
1912		3829
		3830	return if $RELOAD++;
		3831
		3832	my $t1 = AE::time;
		3833
		3834	while ($RELOAD) {
1913	warn "reloading...";	3835	warn "reloading...";
1914		3836
1915	local $FREEZE = 1;	3837	warn "entering sync_job";
		3838
		3839	cf::sync_job {
		3840	cf::write_runtime_sync; # external watchdog should not bark
1916	cf::emergency_save;	3841	cf::emergency_save;
		3842	cf::write_runtime_sync; # external watchdog should not bark
1917		3843
1918	eval {	3844	warn "syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
1919	# if anything goes wrong in here, we should simply crash as we already saved	3847	# if anything goes wrong in here, we should simply crash as we already saved
1920		3848
1921	# cancel all watchers	3849	warn "flushing outstanding aio requests";
1922	for (Event::all_watchers) {	3850	while (IO::AIO::nreqs || BDB::nreqs) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	3851	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
1924	}
1925
1926	# cancel all extension coros
1927	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();
1929
1930	# unload all extensions
1931	for (@exts) {
1932	warn "unloading <$_>";
1933	unload_extension $_;
1934	}
1935
1936	# unload all modules loaded from $LIBDIR
1937	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939
1940	warn "removing <$k>";
1941	delete $INC{$k};
1942
1943	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;
1945
1946	if (my $cb = $k->can ("unload_module")) {
1947	$cb->();
1948	}	3852	}
1949		3853
1950	Symbol::delete_package $k;	3854	warn "cancelling all extension coros";
		3855	$_->cancel for values %EXT_CORO;
		3856	%EXT_CORO = ();
		3857
		3858	warn "removing commands";
		3859	%COMMAND = ();
		3860
		3861	warn "removing ext/exti commands";
		3862	%EXTCMD = ();
		3863	%EXTICMD = ();
		3864
		3865	warn "unloading/nuking all extensions";
		3866	for my $pkg (@EXTS) {
		3867	warn "... unloading $pkg";
		3868
		3869	if (my $cb = $pkg->can ("unload")) {
		3870	eval {
		3871	$cb->($pkg);
		3872	1
		3873	} or warn "$pkg unloaded, but with errors: $@";
		3874	}
		3875
		3876	warn "... clearing $pkg";
		3877	clear_package $pkg;
1951	}	3878	}
1952		3879
1953	# sync database to disk	3880	warn "unloading all perl modules loaded from $LIBDIR";
1954	cf::db_sync;	3881	while (my ($k, $v) = each %INC) {
1955	IO::AIO::flush;	3882	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1956		3883
		3884	warn "... unloading $k";
		3885	delete $INC{$k};
		3886
		3887	$k =~ s/\.pm$//;
		3888	$k =~ s/\//::/g;
		3889
		3890	if (my $cb = $k->can ("unload_module")) {
		3891	$cb->();
		3892	}
		3893
		3894	clear_package $k;
		3895	}
		3896
1957	# get rid of safe::, as good as possible	3897	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	3898	clear_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3899	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		3900
1961	# remove register_script_function callbacks	3901	warn "unloading cf.pm \"a bit\"";
1962	# TODO
1963
1964	# unload cf.pm "a bit"
1965	delete $INC{"cf.pm"};	3902	delete $INC{"cf.pm"};
		3903	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
1966		3904
1967	# don't, removes xs symbols, too,	3905	# don't, removes xs symbols, too,
1968	# and global variables created in xs	3906	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	3907	#clear_package __PACKAGE__;
1970		3908
1971	# reload cf.pm	3909	warn "unload completed, starting to reload now";
		3910
1972	warn "reloading cf.pm";	3911	warn "reloading cf.pm";
1973	require cf;	3912	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3913	cf::_connect_to_perl_1;
1975		3914
1976	# load config and database again	3915	warn "loading config and database again";
1977	cf::cfg_load;	3916	cf::reload_config;
1978	cf::db_load;
1979		3917
1980	# load extensions
1981	warn "load extensions";	3918	warn "loading extensions";
1982	cf::load_extensions;	3919	cf::load_extensions;
1983		3920
1984	# reattach attachments to objects	3921	if ($REATTACH_ON_RELOAD) {
		3922	warn "reattaching attachments to objects/players";
		3923	_global_reattach; # objects, sockets
		3924	warn "reattaching attachments to maps";
		3925	reattach $_ for values %MAP;
		3926	warn "reattaching attachments to players";
		3927	reattach $_ for values %PLAYER;
		3928	}
		3929
		3930	warn "running post_init jobs";
		3931	(pop @POST_INIT)->(1) while @POST_INIT;
		3932
		3933	warn "leaving sync_job";
		3934
		3935	1
		3936	} or do {
		3937	warn $@;
		3938	cf::cleanup "error while reloading, exiting.";
		3939	};
		3940
1985	warn "reattach";	3941	warn "reloaded";
1986	_global_reattach;	3942	--$RELOAD;
		3943	}
		3944
		3945	$t1 = AE::time - $t1;
		3946	warn "reload completed in ${t1}s\n";
		3947	};
		3948
		3949	our $RELOAD_WATCHER; # used only during reload
		3950
		3951	sub reload_perl() {
		3952	# doing reload synchronously and two reloads happen back-to-back,
		3953	# coro crashes during coro_state_free->destroy here.
		3954
		3955	$RELOAD_WATCHER ||= cf::async {
		3956	Coro::AIO::aio_wait cache_extensions;
		3957
		3958	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3959	do_reload_perl;
		3960	undef $RELOAD_WATCHER;
		3961	};
1987	};	3962	};
1988
1989	if ($@) {
1990	warn $@;
1991	warn "error while reloading, exiting.";
1992	exit 1;
1993	}
1994
1995	warn "reloaded successfully";
1996	};
1997
1998	#############################################################################
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}	3963	}
2040
2041	register "<global>", __PACKAGE__;
2042		3964
2043	register_command "reload" => sub {	3965	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	3966	my ($who, $arg) = @_;
2045		3967
2046	if ($who->flag (FLAG_WIZ)) {	3968	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");
2048	reload;
2049	$who->message ("end of reload.");	3969	$who->message ("reloading server.");
		3970	async {
		3971	$Coro::current->{desc} = "perl_reload";
		3972	reload_perl;
		3973	};
2050	}	3974	}
2051	};	3975	};
2052		3976
2053	unshift @INC, $LIBDIR;	3977	unshift @INC, $LIBDIR;
2054		3978
2055	$TICK_WATCHER = Event->timer (	3979	my $bug_warning = 0;
2056	reentrant => 0,	3980
2057	prio => 0,	3981	our @WAIT_FOR_TICK;
2058	at => $NEXT_TICK || $TICK,	3982	our @WAIT_FOR_TICK_BEGIN;
2059	data => WF_AUTOCANCEL,	3983
2060	cb => sub {	3984	sub wait_for_tick {
2061	unless ($FREEZE) {	3985	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3986
		3987	my $signal = new Coro::Signal;
		3988	push @WAIT_FOR_TICK, $signal;
		3989	$signal->wait;
		3990	}
		3991
		3992	sub wait_for_tick_begin {
		3993	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3994
		3995	my $signal = new Coro::Signal;
		3996	push @WAIT_FOR_TICK_BEGIN, $signal;
		3997	$signal->wait;
		3998	}
		3999
		4000	sub tick {
		4001	if ($Coro::current != $Coro::main) {
		4002	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4003	unless ++$bug_warning > 10;
		4004	return;
		4005	}
		4006
2062	cf::server_tick; # one server iteration	4007	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;
2064	}
2065		4008
2066	$NEXT_TICK += $TICK;	4009	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2067		4010
2068	# if we are delayed by four ticks or more, skip them all	4011	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4012	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2070		4013	Coro::async_pool {
2071	$TICK_WATCHER->at ($NEXT_TICK);	4014	$Coro::current->{desc} = "runtime saver";
2072	$TICK_WATCHER->start;
2073	},
2074	);
2075
2076	IO::AIO::max_poll_time $TICK * 0.2;
2077
2078	Event->io (
2079	fd => IO::AIO::poll_fileno,
2080	poll => 'r',
2081	prio => 5,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,
2088	after => 0,
2089	interval => 10,
2090	cb => sub {
2091	(Coro::unblock_sub {
2092	write_runtime	4015	write_runtime_sync
2093	or warn "ERROR: unable to write runtime file: $!";	4016	or warn "ERROR: unable to write runtime file: $!";
2094	})->();	4017	};
2095	},	4018	}
2096	);	4019
		4020	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4021	$sig->send;
		4022	}
		4023	while (my $sig = shift @WAIT_FOR_TICK) {
		4024	$sig->send;
		4025	}
		4026
		4027	$LOAD = ($NOW - $TICK_START) / $TICK;
		4028	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4029
		4030	if (0) {
		4031	if ($NEXT_TICK) {
		4032	my $jitter = $TICK_START - $NEXT_TICK;
		4033	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4034	warn "jitter $JITTER\n";#d#
		4035	}
		4036	}
		4037	}
		4038
		4039	{
		4040	# configure BDB
		4041
		4042	BDB::min_parallel 16;
		4043	BDB::max_poll_reqs $TICK * 0.1;
		4044	$AnyEvent::BDB::WATCHER->priority (1);
		4045
		4046	unless ($DB_ENV) {
		4047	$DB_ENV = BDB::db_env_create;
		4048	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4049	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4050	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4051	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4052	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4053
		4054	cf::sync_job {
		4055	eval {
		4056	BDB::db_env_open
		4057	$DB_ENV,
		4058	$BDBDIR,
		4059	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4060	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4061	0666;
		4062
		4063	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4064	};
		4065
		4066	cf::cleanup "db_env_open(db): $@" if $@;
		4067	};
		4068	}
		4069
		4070	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4071	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4072	};
		4073	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4074	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4075	};
		4076	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4077	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4078	};
		4079	}
		4080
		4081	{
		4082	# configure IO::AIO
		4083
		4084	IO::AIO::min_parallel 8;
		4085	IO::AIO::max_poll_time $TICK * 0.1;
		4086	undef $AnyEvent::AIO::WATCHER;
		4087	}
		4088
		4089	my $_log_backtrace;
		4090
		4091	sub _log_backtrace {
		4092	my ($msg, @addr) = @_;
		4093
		4094	$msg =~ s/\n//;
		4095
		4096	# limit the # of concurrent backtraces
		4097	if ($_log_backtrace < 2) {
		4098	++$_log_backtrace;
		4099	my $perl_bt = Carp::longmess $msg;
		4100	async {
		4101	$Coro::current->{desc} = "abt $msg";
		4102
		4103	my @bt = fork_call {
		4104	@addr = map { sprintf "%x", $_ } @addr;
		4105	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4106	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4107	or die "addr2line: $!";
		4108
		4109	my @funcs;
		4110	my @res = <$fh>;
		4111	chomp for @res;
		4112	while (@res) {
		4113	my ($func, $line) = splice @res, 0, 2, ();
		4114	push @funcs, "[$func] $line";
		4115	}
		4116
		4117	@funcs
		4118	};
		4119
		4120	LOG llevInfo, "[ABT] $perl_bt\n";
		4121	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4122	LOG llevInfo, "[ABT] $_\n" for @bt;
		4123	--$_log_backtrace;
		4124	};
		4125	} else {
		4126	LOG llevInfo, "[ABT] $msg\n";
		4127	LOG llevInfo, "[ABT] [suppressed]\n";
		4128	}
		4129	}
		4130
		4131	# load additional modules
		4132	require "cf/$_.pm" for @EXTRA_MODULES;
		4133	cf::_connect_to_perl_2;
		4134
		4135	END { cf::emergency_save }
2097		4136
2098	1	4137	1
2099		4138

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