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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 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
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
28		66
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
30	$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
31		71
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
33		80
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	118	our $NEXT_TICK;
46	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
47		127
48	our %CFG;	128	our %CFG;
49		129
50	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
52		133
53	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	137
57	our %EXT_CORO; # coroutines bound to extensions	138	# used to convert map paths into valid unix filenames by replacing / by ∕
		139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
58		150
59	binmode STDOUT;	151	binmode STDOUT;
60	binmode STDERR;	152	binmode STDERR;
61		153
62	# read virtual server time, if available	154	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
67	}	159	}
68		160
69	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		162
75	# a special map that is always available	163	mkdir $_
76	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
77	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		184
79	#############################################################################	185	#############################################################################
80		186
81	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
82		188
…		…
89	=item $cf::RUNTIME	195	=item $cf::RUNTIME
90		196
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	198	every server tick.
93		199
94	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		203
96	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
98		208
99	=item $cf::NOW	209	=item $cf::NOW
100		210
101	The time of the last (current) server tick.	211	The time of the last (current) server tick.
102		212
103	=item $cf::TICK	213	=item $cf::TICK
104		214
105	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
106		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
107	=item %cf::CFG	227	=item %cf::CFG
108		228
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	230	from wherever your confdir points to.
111		231
		232	=item cf::wait_for_tick, cf::wait_for_tick_begin
		233
		234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		235	returns directly I<after> the tick processing (and consequently, can only wake one process
		236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
112	=back	250	=back
113		251
114	=cut	252	=cut
115		253
116	BEGIN {	254	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	255	my $msg = join "", @_;
119	utf8::encode $msg;
120		256
121	$msg .= "\n"	257	$msg .= "\n"
122	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
123		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
124	LOG llevError, $msg;	262	LOG llevError, $msg;
125	};	263	};
126	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
127		278
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		286
135	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	288	# within the Safe compartment.
137	for my $pkg (qw(	289	for my $pkg (qw(
138	cf::global cf::attachable	290	cf::global cf::attachable
139	cf::object cf::object::player	291	cf::object cf::object::player
140	cf::client cf::player	292	cf::client cf::player
141	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
142	cf::map cf::party cf::region	295	cf::party cf::region
143	)) {	296	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	298	}
147		299
148	$Event::DIED = sub {	300	$EV::DIED = sub {
149	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
150	};	302	};
151		303
152	my %ext_pkg;	304	#############################################################################
153	my @exts;
154	my @hook;
155		305
156	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
157		307
158	=over 4	308	=over 4
159		309
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	329	$d
180	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
181	}	331	}
182		332
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
186		334
187	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
188		336
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
197		338
198	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
199		340
200	=cut	341	=cut
201		342
202	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
204	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
205	}	360	}
206		361
207	=item cf::lock_wait $string	362	=item cf::lock_wait $string
208		363
209	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
210		365
211	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
212		367
213	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
214	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
216	returned.	371	returned.
217		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
218	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
220		378
221	=cut	379	=item $locked = cf::lock_active $string
222		380
223	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
224		386
225	sub lock_wait($) {	387	sub lock_wait($) {
226	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	389	}
234		390
235	sub lock_acquire($) {	391	sub lock_acquire($) {
236	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
237		394
238	# wait, to be sure we are not locked	395	sub lock_active($) {
239	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	397	}
248		398
249	sub freeze_mainloop {	399	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
251		401
252	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	403	}
254	$guard	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
		469	}
		470	};
		471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
255	}	485	}
256		486
257	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
258		488
259	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		494
265	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
266		496
267	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
268		498
269	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
272		503
273	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
276	fast or be very important.	507	fast or be very important.
…		…
279		510
280	sub sync_job(&) {	511	sub sync_job(&) {
281	my ($job) = @_;	512	my ($job) = @_;
282		513
283	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
284	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
286		519
287	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	521
289	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
290		523
291	my $busy = 1;	524	my $busy = 1;
292	my @res;	525	my @res;
293		526
294	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	529	@res = eval { $job->() };
296	warn $@ if $@;	530	warn $@ if $@;
297	undef $busy;	531	undef $busy;
298	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
299		533
300	while ($busy) {	534	while ($busy) {
301	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
302	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
303		545
304	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
305	} else {	547	} else {
306	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
307		549
…		…
309	}	551	}
310	}	552	}
311		553
312	=item $coro = cf::async_ext { BLOCK }	554	=item $coro = cf::async_ext { BLOCK }
313		555
314	Like async, but this coro is automcatially being canceled when the	556	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	557	extension calling this is being unloaded.
316		558
317	=cut	559	=cut
318		560
319	sub async_ext(&) {	561	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
328		570
329	$coro	571	$coro
330	}	572	}
331		573
332	sub write_runtime {	574	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		575
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
336	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
337		580
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		582
342	aio_fsync $fh	583	sub fork_call(&@) {
343	and return;	584	my ($cb, @args) = @_;
344		585
345	close $fh	586	# we seemingly have to make a local copy of the whole thing,
346	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
347		589
348	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
349	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
350		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
351	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	772	}
353		773
354	=back	774	=back
355		775
356	=cut	776	=cut
357		777
358	#############################################################################	778	#############################################################################
359		779
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
483		781
484	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
485	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
487		785
488	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	788	Deliantra).
491		789
492	=over 4	790	=over 4
493		791
494	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
495		793
…		…
539	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
540		838
541	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
543		841
544	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
545	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
546		844
547	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
548		846
549	=over 4	847	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	908	our @CB_MAP = ();
611		909
612	my %attachment;	910	my %attachment;
613		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
614	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
616		920
617	use sort 'stable';	921	use sort 'stable';
618		922
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
653		957
654	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		962
659	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	964	my $pkg = shift @arg;
661		965
662	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
692	}	996	}
693		997
694	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
695	} else {	999	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	1001	}
698		1002
699	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
700	}	1004	}
701		1005
…		…
703	if (ref $_[0]) {	1007	if (ref $_[0]) {
704	_object_attach @_;	1008	_object_attach @_;
705	} else {	1009	} else {
706	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
707	}	1011	}
		1012	_recalc_want;
708	};	1013	};
709		1014
710	# all those should be optimised	1015	# all those should be optimised
711	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
716	reattach ($obj);	1021	reattach ($obj);
717	} else {	1022	} else {
718	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
719	}	1024	}
		1025	_recalc_want;
720	};	1026	};
721		1027
722	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
724		1030
…		…
739	";	1045	";
740	die if $@;	1046	die if $@;
741	}	1047	}
742		1048
743	our $override;	1049	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		1051
746	sub override {	1052	sub override {
747	$override = 1;	1053	$override = 1;
748	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
749	}	1055	}
750		1056
751	sub do_invoke {	1057	sub do_invoke {
752	my $event = shift;	1058	my $event = shift;
753	my $callbacks = shift;	1059	my $callbacks = shift;
754		1060
755	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
756		1062
757	local $override;	1063	local $override;
758		1064
759	for (@$callbacks) {	1065	for (@$callbacks) {
760	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
769	}	1075	}
770		1076
771	0	1077	0
772	}	1078	}
773		1079
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1081
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1083
778	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
779		1085
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1089
784	=back	1090	=back
785		1091
786	=cut	1092	=cut
787		1093
788	#############################################################################	1094	#############################################################################
789	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
790		1138
791	sub reattach {	1139	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1145
795	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
796		1147
797	@$registry = ();	1148	@$registry = ();
798		1149
…		…
813	cf::attachable->attach (	1164	cf::attachable->attach (
814	prio => -1000000,	1165	prio => -1000000,
815	on_instantiate => sub {	1166	on_instantiate => sub {
816	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
817		1168
818	$data = from_json $data;	1169	$data = decode_json $data;
819		1170
820	for (@$data) {	1171	for (@$data) {
821	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
822		1173
823	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1190	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
841		1192
842	sync_job {	1193	sync_job {
843	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
846		1198
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	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;
850	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
851	close $fh;	1206	aio_close $fh;
852		1207
853	if (@$objs) {	1208	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;
858	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
859	close $fh;	1217	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
861	}	1219	}
862	} else {	1220	} else {
863	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
864	}	1222	}
865		1223
866	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1228	} else {
868	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
869	}	1230	}
870	} else {	1231	} else {
871	aio_unlink $filename;	1232	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
873	}	1234	}
874	}	1235	};
875	}	1236	}
876		1237
877	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
879		1240
…		…
891	or return;	1252	or return;
892		1253
893	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
895	or return;	1256	or return;
		1257
896	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
897	}	1260	}
898		1261
		1262	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
901	return ($data, $av);	1266	($data, $av)
902	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
903		1274
904	#############################################################################	1275	#############################################################################
905	# command handling &c	1276	# command handling &c
906		1277
907	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1292	}
922		1293
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1295
925	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
926		1301
927	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
928	called.	1303	called.
929		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
930	=cut	1316	=cut
931		1317
932	sub register_extcmd {	1318	sub register_extcmd {
933	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
934		1320
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1321	$EXTCMD{$name} = $cb;
939	}	1322	}
		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
940		1331
941	cf::player->attach (	1332	cf::player->attach (
942	on_command => sub {	1333	on_unknown_command => sub {
943	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
944		1335
945	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
946	or return;	1337	or return;
947		1338
…		…
952	cf::override;	1343	cf::override;
953	},	1344	},
954	on_extcmd => sub {	1345	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
956		1347
957	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1349
959	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
965	} else {	1365	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1367	}
968		1368
969	cf::override;	1369	cf::override;
970	},	1370	},
971	);	1371	);
972		1372
973	sub register {	1373	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1374	sub cache_extensions {
980	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
981		1376
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1380	}
1032	}	1381	};
1033		1382
1034	# remove extcmds	1383	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1384	}
1048		1385
1049	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1050	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1391	next unless -r $path;
1052	eval {	1392
1053	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
1054	1	1456	}
1055	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
1056	}	1467	};
1057	}	1468	}
1058		1469
1059	#############################################################################	1470	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1471
1062	*cf::mapsupport::on_clean = sub {	1472	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1473
1097	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1098		1475
1099	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1100		1477
1101	=cut	1478	=cut
1102		1479
1103	package cf::player;	1480	package cf::player;
1104		1481
…		…
1106		1483
1107	=head3 cf::player	1484	=head3 cf::player
1108		1485
1109	=over 4	1486	=over 4
1110		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
1111	=item cf::player::find $login	1502	=item cf::player::find $login
1112		1503
1113	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1114		1505
1115	=cut	1506	=cut
1116		1507
1117	sub playerdir($) {	1508	sub playerdir($) {
1118	cf::localdir	1509	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1511	}
1124		1512
1125	sub path($) {	1513	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1515
1128	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
1129	}	1517	}
1130		1518
1131	sub find_active($) {	1519	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
1136		1524
1137	sub exists($) {	1525	sub exists($) {
1138	my ($login) = @_;	1526	my ($login) = @_;
1139		1527
1140	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
1142	}	1530	}
1143		1531
1144	sub find($) {	1532	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1534	my $login = $_[0];
1147		1535
1148	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
1149		1537
1150	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
1152	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1153	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1154	}	1555	}
1155	}	1556	}
1156	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1157		1571
1158	sub save($) {	1572	sub save($) {
1159	my ($pl) = @_;	1573	my ($pl) = @_;
1160		1574
1161	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1166	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1167		1581
1168	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1170		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1171	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1172	Coro::cede;	1591	cf::cede_to_tick;
1173	}	1592	}
1174		1593
1175	sub new($) {	1594	sub new($) {
1176	my ($login) = @_;	1595	my ($login) = @_;
1177		1596
…		…
1183	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1184		1603
1185	$self	1604	$self
1186	}	1605	}
1187		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1188	=item $pl->quit_character	1617	=item $pl->quit_character
1189		1618
1190	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1192		1621
1193	=cut	1622	=cut
1194		1623
1195	sub quit_character {	1624	sub quit_character {
1196	my ($pl) = @_;	1625	my ($pl) = @_;
1197		1626
		1627	my $name = $pl->ob->name;
		1628
1198	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1200		1631
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1205		1638
1206	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1211	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
1212	}	1665	}
1213		1666
1214	=item cf::player::list_logins	1667	=item cf::player::list_logins
1215		1668
1216	Returns am arrayref of all valid playernames in the system, can take a	1669	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1218		1671
1219	=cut	1672	=cut
1220		1673
1221	sub list_logins {	1674	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1676	or return [];
1224		1677
1225	my @logins;	1678	my @logins;
1226		1679
1227	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1231		1690
1232	utf8::decode $login;	1691	utf8::decode $login;
1233	push @logins, $login;	1692	push @logins, $login;
1234	}	1693	}
1235		1694
1236	\@logins	1695	\@logins
1237	}	1696	}
1238		1697
1239	=item $player->maps	1698	=item $player->maps
1240		1699
		1700	=item cf::player::maps $login
		1701
1241	Returns an arrayref of cf::path's of all maps that are private for this	1702	Returns an arrayref of map paths that are private for this
1242	player. May block.	1703	player. May block.
1243		1704
1244	=cut	1705	=cut
1245		1706
1246	sub maps($) {	1707	sub maps($) {
1247	my ($pl) = @_;	1708	my ($pl) = @_;
		1709
		1710	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1711
1249	my $files = aio_readdir playerdir $pl	1712	my $files = aio_readdir playerdir $pl
1250	or return;	1713	or return;
1251		1714
1252	my @paths;	1715	my @paths;
1253		1716
1254	for (@$files) {	1717	for (@$files) {
1255	utf8::decode $_;	1718	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1719	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1720	next unless /^$PATH_SEP/o;
1258		1721
1259	s/$PATH_SEP/\//g;	1722	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1723	}
1262		1724
1263	\@paths	1725	\@paths
1264	}	1726	}
1265		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1267		1733
1268	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1269		1735
1270	=cut	1736	=cut
1271		1737
1272	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1274		1740
1275	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1742	}
1279		1743
1280	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1281		1786
1282	=back	1787	=back
1283
1284		1788
1285	=head3 cf::map	1789	=head3 cf::map
1286		1790
1287	=over 4	1791	=over 4
1288		1792
…		…
1291	package cf::map;	1795	package cf::map;
1292		1796
1293	use Fcntl;	1797	use Fcntl;
1294	use Coro::AIO;	1798	use Coro::AIO;
1295		1799
		1800	use overload
		1801	'""' => \&as_string,
		1802	fallback => 1;
		1803
1296	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1298		1806
1299	sub generate_random_map {	1807	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1811
1302	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1813	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1821	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1822	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1823	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1824	(cf::region::find $rmp->{region}), $rmp->{custom}
		1825	)
1316	}	1826	}
1317		1827
1318	# and all this just because we cannot iterate over	1828	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1829
1323	$_->change_map_light ($change)	1830	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1831	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1832	default).
1326		1833
1327	sub try_load_header($) {	1834	=cut
		1835
		1836	sub register {
		1837	my (undef, $regex, $prio) = @_;
		1838	my $pkg = caller;
		1839
		1840	no strict;
		1841	push @{"$pkg\::ISA"}, __PACKAGE__;
		1842
		1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1844	}
		1845
		1846	# also paths starting with '/'
		1847	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1848
		1849	sub thawer_merge {
		1850	my ($self, $merge) = @_;
		1851
		1852	# we have to keep some variables in memory intact
		1853	local $self->{path};
		1854	local $self->{load_path};
		1855
		1856	$self->SUPER::thawer_merge ($merge);
		1857	}
		1858
		1859	sub normalise {
1328	my ($path) = @_;	1860	my ($path, $base) = @_;
		1861
		1862	$path = "$path"; # make sure its a string
		1863
		1864	$path =~ s/\.map$//;
		1865
		1866	# map plan:
		1867	#
		1868	# /! non-realised random map exit (special hack!)
		1869	# {... are special paths that are not being touched
		1870	# ?xxx/... are special absolute paths
		1871	# ?random/... random maps
		1872	# /... normal maps
		1873	# ~user/... per-player map of a specific user
		1874
		1875	$path =~ s/$PATH_SEP/\//go;
		1876
		1877	# treat it as relative path if it starts with
		1878	# something that looks reasonable
		1879	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1880	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1881
		1882	$base =~ s{[^/]+/?$}{};
		1883	$path = "$base/$path";
		1884	}
		1885
		1886	for ($path) {
		1887	redo if s{//}{/};
		1888	redo if s{/\.?/}{/};
		1889	redo if s{/[^/]+/\.\./}{/};
		1890	}
		1891
		1892	$path
		1893	}
		1894
		1895	sub new_from_path {
		1896	my (undef, $path, $base) = @_;
		1897
		1898	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1899
		1900	$path = normalise $path, $base;
		1901
		1902	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1903	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1904	my $self = bless cf::map::new, $pkg;
		1905	$self->{path} = $path; $self->path ($path);
		1906	$self->init; # pass $1 etc.
		1907	return $self;
		1908	}
		1909	}
		1910
		1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1912	()
		1913	}
		1914
		1915	sub init {
		1916	my ($self) = @_;
		1917
		1918	$self
		1919	}
		1920
		1921	sub as_string {
		1922	my ($self) = @_;
		1923
		1924	"$self->{path}"
		1925	}
		1926
		1927	# the displayed name, this is a one way mapping
		1928	sub visible_name {
		1929	&as_string
		1930	}
		1931
		1932	# the original (read-only) location
		1933	sub load_path {
		1934	my ($self) = @_;
		1935
		1936	"$MAPDIR/$self->{path}.map"
		1937	}
		1938
		1939	# the temporary/swap location
		1940	sub save_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$TMPDIR/$path.map"
		1945	}
		1946
		1947	# the unique path, undef == no special unique path
		1948	sub uniq_path {
		1949	my ($self) = @_;
		1950
		1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1952	"$UNIQUEDIR/$path"
		1953	}
		1954
		1955	sub decay_objects {
		1956	my ($self) = @_;
		1957
		1958	return if $self->{deny_reset};
		1959
		1960	$self->do_decay_objects;
		1961	}
		1962
		1963	sub unlink_save {
		1964	my ($self) = @_;
		1965
		1966	utf8::encode (my $save = $self->save_path);
		1967	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1968	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1969	}
		1970
		1971	sub load_header_from($) {
		1972	my ($self, $path) = @_;
1329		1973
1330	utf8::encode $path;	1974	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1332	or return;	1976	or return;
1333		1977
1334	my $map = cf::map::new	1978	$self->_load_header ($f)
1335	or return;	1979	or return;
1336		1980
1337	# for better error messages only, will be overwritten	1981	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1982	$f->resolve_delayed_derefs;
1339		1983
1340	$map->load_header ($path)	1984	$self->{load_path} = $path;
		1985
		1986	1
		1987	}
		1988
		1989	sub load_header_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->load_header_from ($self->load_path)
		1993	}
		1994
		1995	sub load_header_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->load_header_from ($self->save_path)
		1999	}
		2000
		2001	sub prepare_temp {
		2002	my ($self) = @_;
		2003
		2004	$self->last_access ((delete $self->{last_access})
		2005	|| $cf::RUNTIME); #d#
		2006	# safety
		2007	$self->{instantiate_time} = $cf::RUNTIME
		2008	if $self->{instantiate_time} > $cf::RUNTIME;
		2009	}
		2010
		2011	sub prepare_orig {
		2012	my ($self) = @_;
		2013
		2014	$self->{load_original} = 1;
		2015	$self->{instantiate_time} = $cf::RUNTIME;
		2016	$self->last_access ($cf::RUNTIME);
		2017	$self->instantiate;
		2018	}
		2019
		2020	sub load_header {
		2021	my ($self) = @_;
		2022
		2023	if ($self->load_header_temp) {
		2024	$self->prepare_temp;
		2025	} else {
		2026	$self->load_header_orig
1341	or return;	2027	or return;
		2028	$self->prepare_orig;
		2029	}
1342		2030
1343	$map->{load_path} = $path;	2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
1344		2033
1345	$map	2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
		2037	1
1346	}	2038	}
1347		2039
1348	sub find;	2040	sub find;
1349	sub find {	2041	sub find {
1350	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1351		2043
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		2045
1357	cf::lock_wait "map_find:$key";	2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1361		2048
1362	# do it the slow way	2049	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	2050	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	2051	or return;
1381		2052
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1394		2054
1395	Coro::cede;	2055	$map->load_header
		2056	or return;
1396		2057
1397	if ($map->should_reset) {	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2059	# doing this can freeze the server in a sync job, obviously
		2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1398	$map->reset;	2063	$map->reset;
1399	undef $guard;
1400	$map = find $path	2064	return find $path;
1401	or return;
1402	}	2065	}
1403		2066
1404	$cf::MAP{$key} = $map	2067	$cf::MAP{$path} = $map
1405	}	2068	}
1406	}	2069	}
		2070
		2071	sub pre_load { }
		2072	#sub post_load { } # XS
1407		2073
1408	sub load {	2074	sub load {
1409	my ($self) = @_;	2075	my ($self) = @_;
1410		2076
		2077	local $self->{deny_reset} = 1; # loading can take a long time
		2078
1411	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2082	my $guard = cf::lock_acquire "map_data:$path";
1413		2083
		2084	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2086
1416	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1417		2088
1418	$self->alloc;	2089	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2090
		2091	$self->pre_load;
		2092	cf::cede_to_tick;
		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1420	or return;	2097	or return;
1421		2098
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1423	if delete $self->{load_original};	2100	if delete $self->{load_original};
1424		2101
1425	if (my $uniq = $path->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2103	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2106	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1430	}	2110	}
1431	}	2111	}
1432		2112
1433	Coro::cede;	2113	$f->resolve_delayed_derefs;
1434		2114
		2115	cf::cede_to_tick;
1435	# now do the right thing for maps	2116	# now do the right thing for maps
1436	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2119	unless $self->difficulty;
		2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1448	$self->activate;	2127	$self->activate;
1449	}	2128	}
1450		2129
1451	Coro::cede;	2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
1452		2132
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
		2134	}
		2135
		2136	$self->post_load;
		2137	}
		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
		2142	sub customise_for {
		2143	my ($self, $ob) = @_;
		2144
		2145	return find "~" . $ob->name . "/" . $self->{path}
		2146	if $self->per_player;
		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
		2151	$self
		2152	}
		2153
		2154	# find and load all maps in the 3x3 area around a map
		2155	sub load_neighbours {
		2156	my ($map) = @_;
		2157
		2158	my @neigh; # diagonal neighbours
		2159
		2160	for (0 .. 3) {
		2161	my $neigh = $map->tile_path ($_)
		2162	or next;
		2163	$neigh = find $neigh, $map
		2164	or next;
		2165	$neigh->load;
		2166
		2167	push @neigh,
		2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2170	}
		2171
		2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
		2174	my $neigh = find $path, $origin
		2175	or next;
		2176	$neigh->load;
		2177	}
1454	}	2178	}
1455		2179
1456	sub find_sync {	2180	sub find_sync {
1457	my ($path, $origin) = @_;	2181	my ($path, $origin) = @_;
1458		2182
1459	cf::sync_job { cf::map::find $path, $origin }	2183	cf::sync_job { find $path, $origin }
1460	}	2184	}
1461		2185
1462	sub do_load_sync {	2186	sub do_load_sync {
1463	my ($map) = @_;	2187	my ($map) = @_;
1464		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1465	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
		2193	}
		2194
		2195	our %MAP_PREFETCH;
		2196	our $MAP_PREFETCHER = undef;
		2197
		2198	sub find_async {
		2199	my ($path, $origin, $load) = @_;
		2200
		2201	$path = normalise $path, $origin && $origin->{path};
		2202
		2203	if (my $map = $cf::MAP{$path}) {
		2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2205	}
		2206
		2207	$MAP_PREFETCH{$path} |= $load;
		2208
		2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
		2212	while (%MAP_PREFETCH) {
		2213	while (my ($k, $v) = each %MAP_PREFETCH) {
		2214	if (my $map = find $k) {
		2215	$map->load if $v;
		2216	}
		2217
		2218	delete $MAP_PREFETCH{$k};
		2219	}
		2220	}
		2221	undef $MAP_PREFETCHER;
		2222	};
		2223	$MAP_PREFETCHER->prio (6);
		2224
		2225	()
		2226	}
		2227
		2228	# common code, used by both ->save and ->swapout
		2229	sub _save {
		2230	my ($self) = @_;
		2231
		2232	$self->{last_save} = $cf::RUNTIME;
		2233
		2234	return unless $self->dirty;
		2235
		2236	my $save = $self->save_path; utf8::encode $save;
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->{load_path} = $save;
		2240
		2241	return if $self->{deny_save};
		2242
		2243	local $self->{last_access} = $self->last_access;#d#
		2244
		2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
		2247	$_->contr->save for $self->players;
		2248	};
		2249
		2250	cf::get_slot 0.02;
		2251
		2252	if ($uniq) {
		2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2255	} else {
		2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2257	}
1466	}	2258	}
1467		2259
1468	sub save {	2260	sub save {
1469	my ($self) = @_;	2261	my ($self) = @_;
1470		2262
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2264
1473	$self->{last_save} = $cf::RUNTIME;	2265	$self->_save;
1474
1475	return unless $self->dirty;
1476
1477	my $save = $self->{path}->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1479
1480	$self->{load_path} = $save;
1481
1482	return if $self->{deny_save};
1483
1484	local $self->{last_access} = $self->last_access;#d#
1485
1486	cf::async {
1487	$_->contr->save for $self->players;
1488	};
1489
1490	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}
1496	}	2266	}
1497		2267
1498	sub swap_out {	2268	sub swap_out {
1499	my ($self) = @_;	2269	my ($self) = @_;
1500		2270
1501	# save first because save cedes
1502	$self->save;
1503
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1506	return if $self->players;	2275	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};
1509		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1510	$self->clear;	2286	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2287	}
1513		2288
1514	sub reset_at {	2289	sub reset_at {
1515	my ($self) = @_;	2290	my ($self) = @_;
1516		2291
1517	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1520		2294
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2297
…		…
1528	my ($self) = @_;	2302	my ($self) = @_;
1529		2303
1530	$self->reset_at <= $cf::RUNTIME	2304	$self->reset_at <= $cf::RUNTIME
1531	}	2305	}
1532		2306
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2307	sub reset {
1555	my ($self) = @_;	2308	my ($self) = @_;
1556		2309
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2311
1559	return if $self->players;	2312	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2313
1562	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
		2315
		2316	$self->in_memory (cf::MAP_SWAPPED);
		2317
		2318	# need to save uniques path
		2319	unless ($self->{deny_save}) {
		2320	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2321
		2322	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2323	if $uniq;
		2324	}
1563		2325
1564	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1565		2327
		2328	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2329	$_->clear_links_to ($self) for values %cf::MAP;
		2330	$self->clear;
1567		2331
1568	$self->unlink_save;	2332	$self->unlink_save;
1569	$self->destroy;	2333	$self->destroy;
1570	}	2334	}
1571		2335
1572	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1573		2337
1574	sub nuke {	2338	sub nuke {
1575	my ($self) = @_;	2339	my ($self) = @_;
1576		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
		2344	delete $cf::MAP{$self->path};
		2345
		2346	$self->unlink_save;
		2347
		2348	bless $self, "cf::map";
		2349	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2353
		2354	$cf::MAP{$self->path} = $self;
		2355	}
		2356
1580	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1581	}	2358	}
1582		2359
1583	sub customise_for {	2360	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2361
1586	if ($map->per_player) {	2362	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
1588	}	2368	[
1589		2369	map {
1590	$map	2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
1591	}	2376	}
1592		2377
1593	sub emergency_save {	2378	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2379
1596	warn "enter emergency perl save\n";	2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
1597		2382
1598	cf::sync_job {	2383	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2384
1603	warn "begin emergency map save\n";	2385	sub random_maps() {
1604	$_->save for values %cf::MAP;	2386	[
1605	warn "end emergency map save\n";	2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item cf::map::unique_maps
		2397
		2398	Returns an arrayref of paths of all shared maps that have
		2399	instantiated unique items. May block.
		2400
		2401	=cut
		2402
		2403	sub unique_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
		2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
		2412	]
		2413	}
		2414
		2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
1606	};	2442	}
1607		2443
1608	warn "leave emergency perl save\n";	2444	\@maps
		2445	}
		2446
		2447	=back
		2448
		2449	=head3 cf::object
		2450
		2451	=cut
		2452
		2453	package cf::object;
		2454
		2455	=over 4
		2456
		2457	=item $ob->inv_recursive
		2458
		2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
		2461
		2462	=cut
		2463
		2464	sub inv_recursive_;
		2465	sub inv_recursive_ {
		2466	map { $_, inv_recursive_ $_->inv } @_
		2467	}
		2468
		2469	sub inv_recursive {
		2470	inv_recursive_ inv $_[0]
		2471	}
		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
1609	}	2499	}
1610		2500
1611	package cf;	2501	package cf;
1612		2502
1613	=back	2503	=back
1614
1615		2504
1616	=head3 cf::object::player	2505	=head3 cf::object::player
1617		2506
1618	=over 4	2507	=over 4
1619		2508
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1625		2514
1626	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1627		2530
1628	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2532	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1633		2536
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2538
1636	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1638	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1641	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1642	}	2564	}
1643		2565
1644	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1645		2567
1646	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1659		2581
1660	=item $player_object->enter_link	2582	=item $player_object->enter_link
1661		2583
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2585
1664	The player should be reaosnably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
		2590
		2591	Will never block.
1666		2592
1667	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1668		2594
1669	Moves the player out of the specila link map onto the given map. If the	2595	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2596	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2597	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2598	fails, to the emergency map position.
1673		2599
1674	Might block.	2600	Might block.
1675		2601
1676	=cut	2602	=cut
		2603
		2604	sub link_map {
		2605	unless ($LINK_MAP) {
		2606	$LINK_MAP = cf::map::find "{link}"
		2607	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2608	$LINK_MAP->load;
		2609	}
		2610
		2611	$LINK_MAP
		2612	}
1677		2613
1678	sub cf::object::player::enter_link {	2614	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2615	my ($self) = @_;
1680		2616
1681	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1682		2618
1683	return if $self->map == $LINK_MAP;	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2620
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1687		2623
1688	$self->enter_map ($LINK_MAP, 20, 20);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1689	}	2625	}
1690		2626
1691	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1693		2631
1694	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1695		2633
1696	unless ($map) {	2634	unless ($map) {
1697	# restore original map position	2635	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1710		2648
1711	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1714		2652
1715	$map->load;	2653	$map->load;
		2654	$map->load_neighbours;
1716		2655
1717	return unless $self->contr->active;	2656	return unless $self->contr->active;
		2657
		2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2662	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}	2663	}
1721		2664
1722	cf::player->attach (	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2666
1726	# abort map switching before logout	2667	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2668	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2670	the new (success) or old (failed) map position. In either case, $done will
1730	};	2671	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2672
1736	# try to abort aborted map switching on player login :)	2673	Note that $check will be called with a potentially non-loaded map, so if
1737	# should happen only on crashes	2674	it needs a loaded map it has to call C<< ->load >>.
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2675
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1757		2679
1758	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2682
1761	$path = new cf::path $path;	2683	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2685
1764	$self->enter_link;	2686	$self->enter_link;
1765		2687
1766	(async {	2688	(async {
1767	my $map = cf::map::find $path->as_string;	2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
		2710	my $map = eval {
		2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
1769		2715	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2716	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
1774		2719
		2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
		2726	}
		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1776	})->prio (1);	2734	})->prio (1);
1777	}	2735	}
1778		2736
1779	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1780		2738
…		…
1782		2740
1783	sub parse_random_map_params {	2741	sub parse_random_map_params {
1784	my ($spec) = @_;	2742	my ($spec) = @_;
1785		2743
1786	my $rmp = { # defaults	2744	my $rmp = { # defaults
1787	xsize => 10,	2745	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2746	ysize => (cf::rndm 15, 40),
		2747	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2748	#layout => string,
1789	};	2749	};
1790		2750
1791	for (split /\n/, $spec) {	2751	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2752	my ($k, $v) = split /\s+/, $_, 2;
1793		2753
…		…
1805	# that depends on the exit object	2765	# that depends on the exit object
1806		2766
1807	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
1808		2768
1809	if ($exit->map) {	2769	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2770	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1814	}	2776	}
1815		2777
1816	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1817		2779
1818	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
		2782	my $meta = "$RANDOMDIR/$md5.meta";
1820		2783
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
		2786	undef $fh;
		2787	aio_rename "$meta~", $meta;
1823		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1826	}	2795	}
1827	}	2796	}
1828		2797
1829	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1833		2802
1834	$self->enter_link;	2803	$self->enter_link;
1835		2804
1836	(async {	2805	(async {
1837	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1838	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
1839	prepare_random_map $exit	2815	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2816	if $exit->slaying eq "/!";
		2817	}
1841		2818
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
1844		2822
		2823	$self->goto ($map, $x, $y);
		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
1845	1;	2829	1
1846	}) {	2830	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2833	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2835
1852	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2837	$self->leave_link;
1854	}	2838	}
1855	})->prio (1);	2839	})->prio (1);
…		…
1868		2852
1869	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1871		2855
1872	utf8::encode $text;	2856	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2858	}
1875		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
		3047	=item $client->ext_msg ($type, @msg)
		3048
		3049	Sends an ext event to the client.
		3050
		3051	=cut
		3052
		3053	sub cf::client::ext_msg($$@) {
		3054	my ($self, $type, @msg) = @_;
		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
		3059	push @msg, msgtype => "event_$type";
		3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
		3080	}
1876		3081
1877	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
1878		3083
1879	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3087
1883	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3089	become reliable at some point in the future.
1885		3090
1886	=cut	3091	=cut
1887		3092
1888	sub cf::client::query {	3093	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3102	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3104
1900	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
1902	}	3109	}
1903		3110
1904	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
1905	on_reply => sub {	3117	on_reply => sub {
1906	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
1907		3119
1908	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
1909	# get handled first	3121	# get handled first
1910	my $queue = delete $ns->{query_queue}	3122	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3123	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3124
1913	(shift @$queue)->[1]->($msg);	3125	(shift @$queue)->[1]->($msg);
		3126	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3127
1915	push @{ $ns->{query_queue} }, @$queue;	3128	push @{ $ns->{query_queue} }, @$queue;
1916		3129
1917	if (@{ $ns->{query_queue} } == @$queue) {	3130	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3131	if (@$queue) {
…		…
1920	} else {	3133	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3135	}
1923	}	3136	}
1924	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
1925	);	3164	);
1926		3165
1927	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
1928		3167
1929	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
1945		3184
1946	$coro	3185	$coro
1947	}	3186	}
1948		3187
1949	cf::client->attach (	3188	cf::client->attach (
1950	on_destroy => sub {	3189	on_client_destroy => sub {
1951	my ($ns) = @_;	3190	my ($ns) = @_;
1952		3191
1953	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1954	},	3193	},
1955	);	3194	);
…		…
1970	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
1972		3211
1973	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
1974		3213
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
1976		3219
1977	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
1978		3221
1979	=pod	3222	=pod
1980		3223
1981	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
1982		3225
1983	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
1984	cf::object::player player	3231	cf::object::player
1985	cf::player peaceful	3232	player
1986	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
1987		3239
1988	=cut	3240	=cut
1989		3241
1990	for (	3242	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
1995	) {	3249	) {
1996	no strict 'refs';	3250	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2016		3270
2017	my $qcode = $code;	3271	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2020		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2021	local $_;	3278	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;
2023		3279
2024	my $eval =	3280	my $eval =
2025	"do {\n"	3281	"do {\n"
2026	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2027	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2028	. $code	3284	. $code
2029	. "\n}"	3285	. "\n}"
2030	;	3286	;
2031		3287
		3288	if ($CFG{safe_eval}) {
2032	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2033	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2034	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2035		3297
2036	if ($@) {	3298	if ($@) {
2037	warn "$@";	3299	warn "$@";
2038	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2039	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2058	=cut	3320	=cut
2059		3321
2060	sub register_script_function {	3322	sub register_script_function {
2061	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2062		3324
2063	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2064	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2065	}	3327	}
2066		3328
2067	=back	3329	=back
2068		3330
2069	=cut	3331	=cut
2070		3332
2071	#############################################################################	3333	#############################################################################
		3334	# the server's init and main functions
2072		3335
2073	=head2 EXTENSION DATABASE SUPPORT	3336	sub load_facedata($) {
		3337	my ($path) = @_;
2074		3338
2075	Crossfire maintains a very simple database for extension use. It can	3339	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3340	# for this (global event?)
2077	excludes objects.	3341	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3342
2079	The parameter C<$family> should best start with the name of the extension	3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3344
2082	=over 4	3345	warn "loading facedata from $path\n";
2083		3346
2084	=item $hashref = cf::db_get $family	3347	my $facedata;
		3348	0 < aio_load $path, $facedata
		3349	or die "$path: $!";
2085		3350
2086	Return a hashref for use by the extension C<$family>, which can be	3351	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3352
2090	=item $value = cf::db_get $family => $key	3353	$facedata->{version} == 2
		3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3355
2092	Returns a single value from the database	3356	# patch in the exptable
2093		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2094	=item cf::db_put $family => $hashref	3358	$facedata->{resource}{"res/exp_table"} = {
2095		3359	type => FT_RSRC,
2096	Stores the given family hashref into the database. Updates are delayed, if	3360	data => $exp_table,
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3361	hash => (Digest::MD5::md5 $exp_table),
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3362	};
		3363	cf::cede_to_tick;
2145		3364
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3365	{
		3366	my $faces = $facedata->{faceinfo};
2150		3367
2151	sub db_get($;$) {	3368	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3370
2157	sub db_put($$;$) {	3371	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3372	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2160	} else {	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3375
2166	cf::global->attach (	3376	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3377	}
2171	);
2172	}
2173		3378
2174	#############################################################################	3379	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3380	next unless $info->{smooth};
2176		3381
2177	sub cfg_load {	3382	my $idx = cf::face::find $face
		3383	or next;
		3384
		3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
		3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3388	} else {
		3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3390	}
		3391
		3392	cf::cede_to_tick;
		3393	}
		3394	}
		3395
		3396	{
		3397	my $anims = $facedata->{animinfo};
		3398
		3399	while (my ($anim, $info) = each %$anims) {
		3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	cf::anim::invalidate_all; # d'oh
		3405	}
		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
		3426	1
		3427	}
		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
		3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
		3472	load_resource_file "$MAPDIR/regions"
		3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
		3479	}
		3480
		3481	sub reload_facedata {
		3482	load_facedata "$DATADIR/facedata"
		3483	or die "unable to load facedata\n";
		3484	}
		3485
		3486	sub reload_archetypes {
		3487	load_resource_file "$DATADIR/archetypes"
		3488	or die "unable to load archetypes\n";
		3489	}
		3490
		3491	sub reload_treasures {
		3492	load_resource_file "$DATADIR/treasures"
		3493	or die "unable to load treasurelists\n";
		3494	}
		3495
		3496	sub reload_resources {
		3497	warn "reloading resource files...\n";
		3498
		3499	reload_facedata;
		3500	reload_archetypes;
		3501	reload_regions;
		3502	reload_treasures;
		3503
		3504	warn "finished reloading resource files\n";
		3505	}
		3506
		3507	sub reload_config {
		3508	warn "reloading config file...\n";
		3509
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3511	or return;
2180		3512
2181	local $/;	3513	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2183		3515
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3517
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2192	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2193	};	3525	};
2194	warn $@ if $@;	3526	warn $@ if $@;
2195	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2196	}	3558	}
2197		3559
2198	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2199	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3573	(async {
		3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
		3576	})->prio (Coro::PRIO_MAX);
2203	};	3577	};
2204		3578
2205	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
		3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2207	load_extensions;	3602	load_extensions;
2208	Event::loop;	3603
		3604	utime time, time, $RUNTIMEFILE;
		3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2209	}	3617	}
2210		3618
2211	#############################################################################	3619	#############################################################################
2212	# initialisation	3620	# initialisation and cleanup
2213		3621
		3622	# install some emergency cleanup handlers
		3623	BEGIN {
		3624	our %SIGWATCHER = ();
		3625	for my $signal (qw(INT HUP TERM)) {
		3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3627	cf::cleanup "SIG$signal";
		3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
		3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
		3718	}
		3719
		3720	sub emergency_save() {
		3721	my $freeze_guard = cf::freeze_mainloop;
		3722
		3723	warn "emergency_perl_save: enter\n";
		3724
		3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
		3731	# use a peculiar iteration method to avoid tripping on perl
		3732	# refcount bugs in for. also avoids problems with players
		3733	# and maps saved/destroyed asynchronously.
		3734	warn "emergency_perl_save: begin player save\n";
		3735	for my $login (keys %cf::PLAYER) {
		3736	my $pl = $cf::PLAYER{$login} or next;
		3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3739	$pl->save;
		3740	}
		3741	warn "emergency_perl_save: end player save\n";
		3742
		3743	warn "emergency_perl_save: begin map save\n";
		3744	for my $path (keys %cf::MAP) {
		3745	my $map = $cf::MAP{$path} or next;
		3746	$map->valid or next;
		3747	$map->save;
		3748	}
		3749	warn "emergency_perl_save: end map save\n";
		3750
		3751	warn "emergency_perl_save: begin database checkpoint\n";
		3752	BDB::db_env_txn_checkpoint $DB_ENV;
		3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
		3758	};
		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
		3765	warn "emergency_perl_save: leave\n";
		3766	}
		3767
		3768	sub post_cleanup {
		3769	my ($make_core) = @_;
		3770
		3771	warn Carp::longmess "post_cleanup backtrace"
		3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
		3801	}
		3802
2214	sub reload() {	3803	sub do_reload_perl() {
2215	# can/must only be called in main	3804	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2217	warn "can only reload from main coroutine\n";	3806	warn "can only reload from main coroutine";
2218	return;	3807	return;
2219	}	3808	}
2220		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2221	warn "reloading...";	3815	warn "reloading...";
2222		3816
2223	my $guard = freeze_mainloop;	3817	warn "entering sync_job";
		3818
		3819	cf::sync_job {
		3820	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3821	cf::emergency_save;
		3822	cf::write_runtime_sync; # external watchdog should not bark
2225		3823
2226	eval {	3824	warn "syncing database to disk";
		3825	BDB::db_env_txn_checkpoint $DB_ENV;
		3826
2227	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2228		3828
2229	# cancel all watchers	3829	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3832	}
2257		3833
2258	Symbol::delete_package $k;	3834	warn "cancelling all extension coros";
		3835	$_->cancel for values %EXT_CORO;
		3836	%EXT_CORO = ();
		3837
		3838	warn "removing commands";
		3839	%COMMAND = ();
		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
		3847	warn "... unloading $pkg";
		3848
		3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
		3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2259	}	3858	}
2260		3859
2261	# sync database to disk	3860	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3861	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
		3875	}
		3876
2265	# get rid of safe::, as good as possible	3877	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3880
2269	# remove register_script_function callbacks	3881	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3884
2275	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3886	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2278		3888
2279	# reload cf.pm	3889	warn "unload completed, starting to reload now";
		3890
2280	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2281	require cf;	3892	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2283		3894
2284	# load config and database again	3895	warn "loading config and database again";
2285	cf::cfg_load;	3896	cf::reload_config;
2286	cf::db_load;
2287		3897
2288	# load extensions
2289	warn "load extensions";	3898	warn "loading extensions";
2290	cf::load_extensions;	3899	cf::load_extensions;
2291		3900
2292	# reattach attachments to objects	3901	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3902	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3903	_global_reattach; # objects, sockets
		3904	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
		3906	warn "reattaching attachments to players";
		3907	reattach $_ for values %PLAYER;
		3908	}
		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
		3913	warn "leaving sync_job";
		3914
		3915	1
		3916	} or do {
		3917	warn $@;
		3918	cf::cleanup "error while reloading, exiting.";
		3919	};
		3920
		3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
		3927	};
		3928
		3929	our $RELOAD_WATCHER; # used only during reload
		3930
		3931	sub reload_perl() {
		3932	# doing reload synchronously and two reloads happen back-to-back,
		3933	# coro crashes during coro_state_free->destroy here.
		3934
		3935	$RELOAD_WATCHER ||= cf::async {
		3936	Coro::AIO::aio_wait cache_extensions;
		3937
		3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3939	do_reload_perl;
		3940	undef $RELOAD_WATCHER;
		3941	};
2296	};	3942	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3943	}
2349
2350	register "<global>", __PACKAGE__;
2351		3944
2352	register_command "reload" => sub {	3945	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2354		3947
2355	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
		3952	reload_perl;
		3953	};
2359	}	3954	}
2360	};	3955	};
2361		3956
2362	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2363		3958
2364	$TICK_WATCHER = Event->timer (	3959	my $bug_warning = 0;
2365	reentrant => 0,	3960
2366	prio => 0,	3961	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3962	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3963
2369	cb => sub {	3964	sub wait_for_tick {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub wait_for_tick_begin {
		3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3974
		3975	my $signal = new Coro::Signal;
		3976	push @WAIT_FOR_TICK_BEGIN, $signal;
		3977	$signal->wait;
		3978	}
		3979
		3980	sub tick {
		3981	if ($Coro::current != $Coro::main) {
		3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3983	unless ++$bug_warning > 10;
		3984	return;
		3985	}
		3986
2370	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3988
2374	# if we are delayed by four ticks or more, skip them all	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		3990
2377	$TICK_WATCHER->at ($NEXT_TICK);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2378	$TICK_WATCHER->start;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2379	},	3993	Coro::async_pool {
2380	);	3994	$Coro::current->{desc} = "runtime saver";
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3995	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3997	};
2401	},	3998	}
2402	);	3999
		4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4001	$sig->send;
		4002	}
		4003	while (my $sig = shift @WAIT_FOR_TICK) {
		4004	$sig->send;
		4005	}
		4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
		4018
		4019	{
		4020	# configure BDB
		4021
		4022	BDB::min_parallel 16;
		4023	BDB::max_poll_reqs $TICK * 0.1;
		4024	$AnyEvent::BDB::WATCHER->priority (1);
		4025
		4026	unless ($DB_ENV) {
		4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4033
		4034	cf::sync_job {
		4035	eval {
		4036	BDB::db_env_open
		4037	$DB_ENV,
		4038	$BDBDIR,
		4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4041	0666;
		4042
		4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4044	};
		4045
		4046	cf::cleanup "db_env_open(db): $@" if $@;
		4047	};
		4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
		4059	}
		4060
		4061	{
		4062	# configure IO::AIO
		4063
		4064	IO::AIO::min_parallel 8;
		4065	IO::AIO::max_poll_time $TICK * 0.1;
		4066	undef $AnyEvent::AIO::WATCHER;
		4067	}
		4068
		4069	my $_log_backtrace;
		4070
		4071	sub _log_backtrace {
		4072	my ($msg, @addr) = @_;
		4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
		4109	}
		4110
		4111	# load additional modules
		4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2403		4114
2404	END { cf::emergency_save }	4115	END { cf::emergency_save }
2405		4116
2406	1	4117	1
2407		4118

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