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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.524 by root, Sun Apr 18 07:08:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		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;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		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" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		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
49	our $NEXT_TICK;	118	our $NEXT_TICK;
50	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);
51		127
52	our %CFG;	128	our %CFG;
53		129
54	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
56		133
57	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		137
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $REALLY_UNLOOP; # never set to true, please :)
64		150
65	binmode STDOUT;	151	binmode STDOUT;
66	binmode STDERR;	152	binmode STDERR;
67		153
68	# read virtual server time, if available	154	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
73	}	159	}
74		160
75	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		162
81	# a special map that is always available	163	mkdir $_
82	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
83	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::"} };
84		184
85	#############################################################################	185	#############################################################################
86		186
87	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
88		188
…		…
95	=item $cf::RUNTIME	195	=item $cf::RUNTIME
96		196
97	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
98	every server tick.	198	every server tick.
99		199
100	=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
101		203
102	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		208
105	=item $cf::NOW	209	=item $cf::NOW
106		210
107	The time of the last (current) server tick.	211	The time of the last (current) server tick.
108		212
109	=item $cf::TICK	213	=item $cf::TICK
110		214
111	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	227	=item %cf::CFG
114		228
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	230	from wherever your confdir points to.
117		231
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		233
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	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.
124		249
125	=back	250	=back
126		251
127	=cut	252	=cut
128		253
129	BEGIN {	254	$Coro::State::WARNHOOK = sub {
130	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	255	my $msg = join "", @_;
132	utf8::encode $msg;
133		256
134	$msg .= "\n"	257	$msg .= "\n"
135	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
136		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
137	LOG llevError, $msg;	262	LOG llevError, $msg;
138	};	263	};
139	}	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	};
140		278
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		286
148	# 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
149	# within the Safe compartment.	288	# within the Safe compartment.
150	for my $pkg (qw(	289	for my $pkg (qw(
151	cf::global cf::attachable	290	cf::global cf::attachable
152	cf::object cf::object::player	291	cf::object cf::object::player
153	cf::client cf::player	292	cf::client cf::player
154	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
155	cf::map cf::party cf::region	295	cf::party cf::region
156	)) {	296	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	298	}
160		299
161	$Event::DIED = sub {	300	$EV::DIED = sub {
162	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
163	};	302	};
		303
		304	#############################################################################
164		305
165	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
166		307
167	=over 4	308	=over 4
168		309
…		…
187	$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;
188	$d	329	$d
189	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
190	}	331	}
191		332
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
195		334
196	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
197		336
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
206		338
207	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
208		340
209	=cut	341	=cut
210		342
211	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
213	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;
214	}	360	}
215		361
216	=item cf::lock_wait $string	362	=item cf::lock_wait $string
217		363
218	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
219		365
220	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
221		367
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
225	returned.	371	returned.
226		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
227	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
228	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
229		378
230	=cut	379	=item $locked = cf::lock_active $string
231		380
232	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
233		386
234	sub lock_wait($) {	387	sub lock_wait($) {
235	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	389	}
243		390
244	sub lock_acquire($) {	391	sub lock_acquire($) {
245	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
246		394
247	# wait, to be sure we are not locked	395	sub lock_active($) {
248	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	397	}
257		398
258	sub freeze_mainloop {	399	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
260		401
261	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	403	}
263	$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	$sig->wait;
264	}	485	}
265		486
266	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
267		488
268	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		494
274	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
275		496
276	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
277		498
278	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
281		503
282	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
285	fast or be very important.	507	fast or be very important.
…		…
288		510
289	sub sync_job(&) {	511	sub sync_job(&) {
290	my ($job) = @_;	512	my ($job) = @_;
291		513
292	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
293	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
295		519
296	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	521
298	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
299		523
300	my $busy = 1;	524	my $busy = 1;
301	my @res;	525	my @res;
302		526
303	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	529	@res = eval { $job->() };
305	warn $@ if $@;	530	warn $@ if $@;
306	undef $busy;	531	undef $busy;
307	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
308		533
309	while ($busy) {	534	while ($busy) {
310	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
311	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
312		545
313	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
314	} else {	547	} else {
315	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
316		549
…		…
336	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
337		570
338	$coro	571	$coro
339	}	572	}
340		573
341	sub write_runtime {	574	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		575
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
345	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.
346		580
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		582
351	aio_fsync $fh	583	sub fork_call(&@) {
352	and return;	584	my ($cb, @args) = @_;
353		585
354	close $fh	586	# we seemingly have to make a local copy of the whole thing,
355	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
356		589
357	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
358	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
359		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
360	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 });
361	}	772	}
362		773
363	=back	774	=back
364		775
365	=cut	776	=cut
366		777
367	#############################################################################	778	#############################################################################
368		779
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
546		781
547	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
548	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")
549	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
550		785
551	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>
552	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
553	crossfire+).	788	Deliantra).
554		789
555	=over 4	790	=over 4
556		791
557	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
558		793
…		…
602	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
603		838
604	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
605	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
606		841
607	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
608	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.
609		844
610	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
611		846
612	=over 4	847	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	908	our @CB_MAP = ();
674		909
675	my %attachment;	910	my %attachment;
676		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
677	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
679		920
680	use sort 'stable';	921	use sort 'stable';
681		922
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
716		957
717	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		962
722	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	964	my $pkg = shift @arg;
724		965
725	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
755	}	996	}
756		997
757	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
758	} else {	999	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	1001	}
761		1002
762	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
763	}	1004	}
764		1005
…		…
766	if (ref $_[0]) {	1007	if (ref $_[0]) {
767	_object_attach @_;	1008	_object_attach @_;
768	} else {	1009	} else {
769	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
770	}	1011	}
		1012	_recalc_want;
771	};	1013	};
772		1014
773	# all those should be optimised	1015	# all those should be optimised
774	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
779	reattach ($obj);	1021	reattach ($obj);
780	} else {	1022	} else {
781	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
782	}	1024	}
		1025	_recalc_want;
783	};	1026	};
784		1027
785	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
787		1030
…		…
802	";	1045	";
803	die if $@;	1046	die if $@;
804	}	1047	}
805		1048
806	our $override;	1049	our $override;
807	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?
808		1051
809	sub override {	1052	sub override {
810	$override = 1;	1053	$override = 1;
811	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
812	}	1055	}
813		1056
814	sub do_invoke {	1057	sub do_invoke {
815	my $event = shift;	1058	my $event = shift;
816	my $callbacks = shift;	1059	my $callbacks = shift;
817		1060
818	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
819		1062
820	local $override;	1063	local $override;
821		1064
822	for (@$callbacks) {	1065	for (@$callbacks) {
823	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
832	}	1075	}
833		1076
834	0	1077	0
835	}	1078	}
836		1079
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1081
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1083
841	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
842		1085
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1089
847	=back	1090	=back
848		1091
849	=cut	1092	=cut
850		1093
851	#############################################################################	1094	#############################################################################
852	# 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	}
853		1138
854	sub reattach {	1139	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
856	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
857		1145
858	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
859		1147
860	@$registry = ();	1148	@$registry = ();
861		1149
…		…
876	cf::attachable->attach (	1164	cf::attachable->attach (
877	prio => -1000000,	1165	prio => -1000000,
878	on_instantiate => sub {	1166	on_instantiate => sub {
879	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
880		1168
881	$data = from_json $data;	1169	$data = decode_json $data;
882		1170
883	for (@$data) {	1171	for (@$data) {
884	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
885		1173
886	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1190	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
904		1192
905	sync_job {	1193	sync_job {
906	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
909		1198
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$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;
913	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
914	close $fh;	1206	aio_close $fh;
915		1207
916	if (@$objs) {	1208	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	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;
921	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
922	close $fh;	1217	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
924	}	1219	}
925	} else {	1220	} else {
926	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
927	}	1222	}
928		1223
929	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1228	} else {
931	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
932	}	1230	}
933	} else {	1231	} else {
934	aio_unlink $filename;	1232	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
936	}	1234	}
937	}	1235	};
938	}	1236	}
939		1237
940	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
942		1240
…		…
954	or return;	1252	or return;
955		1253
956	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
958	or return;	1256	or return;
		1257
959	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
960	}	1260	}
961		1261
		1262	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
964	return ($data, $av);	1266	($data, $av)
965	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
966		1274
967	#############################################################################	1275	#############################################################################
968	# command handling &c	1276	# command handling &c
969		1277
970	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1292	}
985		1293
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1295
988	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.
989		1301
990	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
991	called.	1303	called.
992		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
993	=cut	1316	=cut
994		1317
995	sub register_extcmd {	1318	sub register_extcmd {
996	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
997		1320
998	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
999	}	1322	}
1000		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
1001	cf::player->attach (	1332	cf::player->attach (
1002	on_command => sub {	1333	on_unknown_command => sub {
1003	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1004		1335
1005	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1006	or return;	1337	or return;
1007		1338
…		…
1012	cf::override;	1343	cf::override;
1013	},	1344	},
1014	on_extcmd => sub {	1345	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1016		1347
1017	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1349
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1025	} else {	1365	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1367	}
1028		1368
1029	cf::override;	1369	cf::override;
1030	},	1370	},
1031	);	1371	);
1032		1372
		1373	# "readahead" all extensions
1033	sub load_extension {	1374	sub cache_extensions {
1034	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
1035		1376
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1380	}
1040	$pkg = "ext::$pkg";	1381	};
1041		1382
1042	warn "... loading '$path' into '$pkg'\n";	1383	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1384	}
1059		1385
1060	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1061	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1391	next unless -r $path;
1063	eval {	1392
1064	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	}
1065	1	1456	}
1066	} 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	}
1067	}	1467	};
1068	}	1468	}
1069		1469
1070	#############################################################################	1470	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1471
1073	*cf::mapsupport::on_clean = sub {	1472	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1473
1086	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1087		1475
1088	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1089		1477
1090	=cut	1478	=cut
1091		1479
1092	package cf::player;	1480	package cf::player;
1093		1481
…		…
1095		1483
1096	=head3 cf::player	1484	=head3 cf::player
1097		1485
1098	=over 4	1486	=over 4
1099		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
1100	=item cf::player::find $login	1502	=item cf::player::find $login
1101		1503
1102	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1103		1505
1104	=cut	1506	=cut
1105		1507
1106	sub playerdir($) {	1508	sub playerdir($) {
1107	cf::localdir	1509	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1511	}
1113		1512
1114	sub path($) {	1513	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1515
1117	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
1118	}	1517	}
1119		1518
1120	sub find_active($) {	1519	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
1125		1524
1126	sub exists($) {	1525	sub exists($) {
1127	my ($login) = @_;	1526	my ($login) = @_;
1128		1527
1129	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
1131	}	1530	}
1132		1531
1133	sub find($) {	1532	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1534	my $login = $_[0];
1136		1535
1137	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
1138		1537
1139	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
1140	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
1141	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;
1142	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1143	}	1555	}
1144	}	1556	}
1145	}	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	);
1146		1571
1147	sub save($) {	1572	sub save($) {
1148	my ($pl) = @_;	1573	my ($pl) = @_;
1149		1574
1150	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1155	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1156		1581
1157	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1159		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
1160	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1161	Coro::cede;	1591	cf::cede_to_tick;
1162	}	1592	}
1163		1593
1164	sub new($) {	1594	sub new($) {
1165	my ($login) = @_;	1595	my ($login) = @_;
1166		1596
…		…
1172	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1173		1603
1174	$self	1604	$self
1175	}	1605	}
1176		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
1177	=item $pl->quit_character	1617	=item $pl->quit_character
1178		1618
1179	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
1180	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1181		1621
1182	=cut	1622	=cut
1183		1623
1184	sub quit_character {	1624	sub quit_character {
1185	my ($pl) = @_;	1625	my ($pl) = @_;
1186		1626
		1627	my $name = $pl->ob->name;
		1628
1187	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1188	$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
1189		1631
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1191	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1193	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1194		1638
1195	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1665	}
1202		1666
1203	=item cf::player::list_logins	1667	=item cf::player::list_logins
1204		1668
1205	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
1206	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1207		1671
1208	=cut	1672	=cut
1209		1673
1210	sub list_logins {	1674	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1676	or return [];
1213		1677
1214	my @logins;	1678	my @logins;
1215		1679
1216	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") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1220		1690
1221	utf8::decode $login;	1691	utf8::decode $login;
1222	push @logins, $login;	1692	push @logins, $login;
1223	}	1693	}
1224		1694
1225	\@logins	1695	\@logins
1226	}	1696	}
1227		1697
1228	=item $player->maps	1698	=item $player->maps
1229		1699
		1700	=item cf::player::maps $login
		1701
1230	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
1231	player. May block.	1703	player. May block.
1232		1704
1233	=cut	1705	=cut
1234		1706
1235	sub maps($) {	1707	sub maps($) {
1236	my ($pl) = @_;	1708	my ($pl) = @_;
		1709
		1710	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1711
1238	my $files = aio_readdir playerdir $pl	1712	my $files = aio_readdir playerdir $pl
1239	or return;	1713	or return;
1240		1714
1241	my @paths;	1715	my @paths;
…		…
1243	for (@$files) {	1717	for (@$files) {
1244	utf8::decode $_;	1718	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1719	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1720	next unless /^$PATH_SEP/o;
1247		1721
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1722	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1723	}
1250		1724
1251	\@paths	1725	\@paths
1252	}	1726	}
1253		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1255		1733
1256	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1257		1735
1258	=cut	1736	=cut
1259		1737
1260	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1262		1740
1263	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1742	}
1267		1743
1268	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		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	}
1269		1786
1270	=back	1787	=back
1271
1272		1788
1273	=head3 cf::map	1789	=head3 cf::map
1274		1790
1275	=over 4	1791	=over 4
1276		1792
…		…
1279	package cf::map;	1795	package cf::map;
1280		1796
1281	use Fcntl;	1797	use Fcntl;
1282	use Coro::AIO;	1798	use Coro::AIO;
1283		1799
		1800	use overload
		1801	'""' => \&as_string,
		1802	fallback => 1;
		1803
1284	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1286		1806
1287	sub generate_random_map {	1807	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1811
1290	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1813	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1823	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1824	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1825	)
1305	}	1826	}
1306		1827
1307	# and all this just because we cannot iterate over	1828	=item cf::map->register ($regex, $prio)
1308	# all maps in C++...
1309	sub change_all_map_light {
1310	my ($change) = @_;
1311		1829
1312	$_->change_map_light ($change)	1830	Register a handler for the map path matching the given regex at the
1313	for grep $_->outdoor, values %cf::MAP;	1831	givne priority (higher is better, built-in handlers have priority 0, the
1314	}	1832	default).
1315		1833
1316	sub load_map_header($) {	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	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1848
		1849	sub thawer_merge {
		1850	my ($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 {
1317	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) = @_;
1318		1973
1319	utf8::encode $path;	1974	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1321	or return;	1976	or return;
1322		1977
1323	my $map = cf::map::new	1978	$self->_load_header ($f)
1324	or return;	1979	or return;
1325		1980
1326	# for better error messages only, will be overwritten later	1981	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	1982	$f->resolve_delayed_derefs;
1328		1983
1329	$map->load_header ($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
1330	or return;	2027	or return;
		2028	$self->prepare_orig;
		2029	}
1331		2030
1332	$map->{load_path} = $path;	2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
1333		2033
1334	$map	2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
		2037	1
1335	}	2038	}
1336		2039
1337	sub find;	2040	sub find;
1338	sub find {	2041	sub find {
1339	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1340		2043
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		2045
1346	cf::lock_wait "map_find:$key";	2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1350		2048
1351	# do it the slow way	2049	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	2050	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	2051	or return;
1365		2052
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1378		2054
1379	Coro::cede;	2055	$map->load_header
		2056	or return;
1380		2057
1381	if ($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;
1382	$map->reset;	2063	$map->reset;
1383	undef $guard;
1384	$map = find $path	2064	return find $path;
1385	or return;
1386	}	2065	}
1387		2066
1388	$cf::MAP{$key} = $map	2067	$cf::MAP{$path} = $map
1389	}	2068	}
1390	}	2069	}
		2070
		2071	sub pre_load { }
		2072	#sub post_load { } # XS
1391		2073
1392	sub load {	2074	sub load {
1393	my ($self) = @_;	2075	my ($self) = @_;
1394		2076
		2077	local $self->{deny_reset} = 1; # loading can take a long time
		2078
1395	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2082	my $guard = cf::lock_acquire "map_data:$path";
1397		2083
		2084	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2086
1400	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1401		2088
1402	$self->alloc;	2089	$self->alloc;
1403	$self->load_objects ($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)
1404	or return;	2097	or return;
1405		2098
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1407	if delete $self->{load_original};	2100	if delete $self->{load_original};
1408		2101
1409	if (my $uniq = $path->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2103	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2106	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1414	}	2110	}
1415	}	2111	}
1416		2112
1417	Coro::cede;	2113	$f->resolve_delayed_derefs;
1418		2114
		2115	cf::cede_to_tick;
1419	# now do the right thing for maps	2116	# now do the right thing for maps
1420	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1431	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;
1432	$self->activate;	2127	$self->activate;
1433	}	2128	}
1434		2129
1435	Coro::cede;	2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
1436		2132
1437	$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	$self
1438	}	2152	}
1439		2153
1440	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2155	sub load_neighbours {
1442	my ($map) = @_;	2156	my ($map) = @_;
1443		2157
1444	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1445		2159
1446	for (0 .. 3) {	2160	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1448	or next;	2162	or next;
1449	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1450	or next;	2164	or next;
1451	$neigh->load;	2165	$neigh->load;
1452		2166
		2167	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2170	}
1456		2171
1457	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1459	or next;	2175	or next;
1460	$neigh->load;	2176	$neigh->load;
1461	}	2177	}
1462	}	2178	}
1463		2179
…		…
1468	}	2184	}
1469		2185
1470	sub do_load_sync {	2186	sub do_load_sync {
1471	my ($map) = @_;	2187	my ($map) = @_;
1472		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1473	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1474	}	2193	}
1475		2194
1476	our %MAP_PREFETCH;	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
1477	our $MAP_PREFETCHER = Coro::async {	2209	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2210	$Coro::current->{desc} = "map prefetcher";
		2211
1479	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2214	if (my $map = find $k) {
		2215	$map->load if $v;
		2216	}
		2217
1482	my $path = delete $MAP_PREFETCH{$key};	2218	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2219	}
1488	Coro::schedule;	2220	}
		2221	undef $MAP_PREFETCHER;
1489	}	2222	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2223	$MAP_PREFETCHER->prio (6);
1504		2224
1505	()	2225	()
		2226	}
		2227
		2228	# common code, used by both ->save and ->swapout
		2229	sub _save {
		2230	my ($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	}
1506	}	2258	}
1507		2259
1508	sub save {	2260	sub save {
1509	my ($self) = @_;	2261	my ($self) = @_;
1510		2262
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2264
1513	$self->{last_save} = $cf::RUNTIME;	2265	$self->_save;
1514
1515	return unless $self->dirty;
1516
1517	my $save = $self->{path}->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1519
1520	$self->{load_path} = $save;
1521
1522	return if $self->{deny_save};
1523
1524	local $self->{last_access} = $self->last_access;#d#
1525
1526	cf::async {
1527	$_->contr->save for $self->players;
1528	};
1529
1530	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}
1536	}	2266	}
1537		2267
1538	sub swap_out {	2268	sub swap_out {
1539	my ($self) = @_;	2269	my ($self) = @_;
1540		2270
1541	# save first because save cedes
1542	$self->save;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1546	return if $self->players;	2275	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};
1549		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
1550	$self->clear;	2286	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2287	}
1553		2288
1554	sub reset_at {	2289	sub reset_at {
1555	my ($self) = @_;	2290	my ($self) = @_;
1556		2291
1557	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1560		2294
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2297
…		…
1568	my ($self) = @_;	2302	my ($self) = @_;
1569		2303
1570	$self->reset_at <= $cf::RUNTIME	2304	$self->reset_at <= $cf::RUNTIME
1571	}	2305	}
1572		2306
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2307	sub reset {
1587	my ($self) = @_;	2308	my ($self) = @_;
1588		2309
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2311
1591	return if $self->players;	2312	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2313
1594	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	}
1595		2325
1596	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1597		2327
		2328	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2329	$_->clear_links_to ($self) for values %cf::MAP;
		2330	$self->clear;
1599		2331
1600	$self->{path}->unlink_save;	2332	$self->unlink_save;
1601	$self->destroy;	2333	$self->destroy;
1602	}	2334	}
1603		2335
1604	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1605		2337
1606	sub nuke {	2338	sub nuke {
1607	my ($self) = @_;	2339	my ($self) = @_;
1608		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::wrap";
		2349	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2353
		2354	$cf::MAP{$self->path} = $self;
		2355	}
		2356
1612	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1613	}	2358	}
1614		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
		2394	}
		2395
1615	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1616		2397
1617	Returns an arrayref of cf::path's of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2399	instantiated unique items. May block.
1619		2400
1620	=cut	2401	=cut
1621		2402
1622	sub unique_maps() {	2403	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2404	[
1624	or return;	2405	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2406	utf8::decode $_;
1630	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2409	? ()
1633	push @paths, new cf::path $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2412	]
1635
1636	\@paths
1637	}	2413	}
1638		2414
1639	package cf;	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;
		2442	}
		2443
		2444	\@maps
		2445	}
1640		2446
1641	=back	2447	=back
1642		2448
1643	=head3 cf::object	2449	=head3 cf::object
1644		2450
…		…
1648		2454
1649	=over 4	2455	=over 4
1650		2456
1651	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1652		2458
1653	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1654		2461
1655	=cut	2462	=cut
1656		2463
1657	sub inv_recursive_;	2464	sub inv_recursive_;
1658	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1661		2468
1662	sub inv_recursive {	2469	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1664	}	2471	}
1665		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	}
		2499	}
		2500
1666	package cf;	2501	package cf;
1667		2502
1668	=back	2503	=back
1669		2504
1670	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1676	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>
1677	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
1678	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1679		2514
1680	=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	};
1681		2530
1682	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2532	# with dialog boxes.
1684	#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
1685	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1687		2536
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2538
1690	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1692	} 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 {
1693	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1695	}	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 (@_);
1696	}	2564	}
1697		2565
1698	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1699		2567
1700	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1713		2581
1714	=item $player_object->enter_link	2582	=item $player_object->enter_link
1715		2583
1716	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}>).
1717		2585
1718	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.
1719	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.
1720		2592
1721	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1722		2594
1723	Moves the player out of the specila link map onto the given map. If the	2595	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2596	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2597	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2598	fails, to the emergency map position.
1727		2599
1728	Might block.	2600	Might block.
1729		2601
1730	=cut	2602	=cut
		2603
		2604	sub link_map {
		2605	unless ($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	$LINK_MAP
		2612	}
1731		2613
1732	sub cf::object::player::enter_link {	2614	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2615	my ($self) = @_;
1734		2616
1735	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1736		2618
1737	return if $self->map == $LINK_MAP;	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2620
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1741		2623
1742	$self->enter_map ($LINK_MAP, 20, 20);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1743	}	2625	}
1744		2626
1745	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1747		2631
1748	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1749		2633
1750	unless ($map) {	2634	unless ($map) {
1751	# restore original map position	2635	# restore original map position
…		…
1762	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1763	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1764		2648
1765	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1768		2652
1769	$map->load;	2653	$map->load;
1770	$map->load_diag;	2654	$map->load_neighbours;
1771		2655
1772	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
1773	$self->activate_recursive;	2662	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}	2663	}
1776		2664
1777	cf::player->attach (	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2666
1781	# abort map switching before logout	2667	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2668	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2670	the new (success) or old (failed) map position. In either case, $done will
1785	};	2671	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2672
1791	# try to abort aborted map switching on player login :)	2673	Note that $check will be called with a potentially non-loaded map, so if
1792	# should happen only on crashes	2674	it needs a loaded map it has to call C<< ->load >>.
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2675
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1812		2679
1813	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2682
1816	$path = new cf::path $path;	2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2685
1818	$self->enter_link;	2686	$self->enter_link;
1819		2687
1820	(async {	2688	(async {
1821	my $map = cf::map::find $path->as_string;	2689	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2690
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2691	# *tag paths override both path and x|y
		2692	if ($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
1825	# if $map;	2713	if ($map) {
1826		2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
1827	$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	}
1828		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};
1829	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1830	})->prio (1);	2734	})->prio (1);
1831	}	2735	}
1832		2736
1833	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1834		2738
…		…
1836		2740
1837	sub parse_random_map_params {	2741	sub parse_random_map_params {
1838	my ($spec) = @_;	2742	my ($spec) = @_;
1839		2743
1840	my $rmp = { # defaults	2744	my $rmp = { # defaults
1841	xsize => 10,	2745	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2746	ysize => (cf::rndm 15, 40),
		2747	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2748	#layout => string,
1843	};	2749	};
1844		2750
1845	for (split /\n/, $spec) {	2751	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2752	my ($k, $v) = split /\s+/, $_, 2;
1847		2753
…		…
1859	# that depends on the exit object	2765	# that depends on the exit object
1860		2766
1861	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
1862		2768
1863	if ($exit->map) {	2769	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2770	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1868	}	2776	}
1869		2777
1870	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1871		2779
1872	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
		2782	my $meta = "$RANDOMDIR/$md5.meta";
1874		2783
1875	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) {
1876	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;
1877		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1880	}	2795	}
1881	}	2796	}
1882		2797
1883	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1887		2802
1888	$self->enter_link;	2803	$self->enter_link;
1889		2804
1890	(async {	2805	(async {
1891	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1892	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
1893	prepare_random_map $exit	2815	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2816	if $exit->slaying eq "/!";
		2817	}
1895		2818
1896	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;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
1898		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
1899	1;	2829	1
1900	}) {	2830	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2835
1906	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2837	$self->leave_link;
1908	}	2838	}
1909	})->prio (1);	2839	})->prio (1);
…		…
1922		2852
1923	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1925		2855
1926	utf8::encode $text;	2856	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2858	}
1929		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	}
1930		3081
1931	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
1932		3083
1933	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
1934	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>,
1935	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>.
1936		3087
1937	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
1938	reliable at some point in the future.	3089	become reliable at some point in the future.
1939		3090
1940	=cut	3091	=cut
1941		3092
1942	sub cf::client::query {	3093	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	3102	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		3104
1954	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
1956	}	3109	}
1957		3110
1958	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
1959	on_reply => sub {	3117	on_reply => sub {
1960	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
1961		3119
1962	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
1963	# get handled first	3121	# get handled first
1964	my $queue = delete $ns->{query_queue}	3122	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	3123	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		3124
1967	(shift @$queue)->[1]->($msg);	3125	(shift @$queue)->[1]->($msg);
		3126	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		3127
1969	push @{ $ns->{query_queue} }, @$queue;	3128	push @{ $ns->{query_queue} }, @$queue;
1970		3129
1971	if (@{ $ns->{query_queue} } == @$queue) {	3130	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3131	if (@$queue) {
…		…
1974	} else {	3133	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3135	}
1977	}	3136	}
1978	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($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	},
1979	);	3164	);
1980		3165
1981	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
1982		3167
1983	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
1999		3184
2000	$coro	3185	$coro
2001	}	3186	}
2002		3187
2003	cf::client->attach (	3188	cf::client->attach (
2004	on_destroy => sub {	3189	on_client_destroy => sub {
2005	my ($ns) = @_;	3190	my ($ns) = @_;
2006		3191
2007	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2008	},	3193	},
2009	);	3194	);
…		…
2024	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2026		3211
2027	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2028		3213
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2030		3219
2031	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2032		3221
2033	=pod	3222	=pod
2034		3223
2035	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2036		3225
2037	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2038	cf::object::player player	3231	cf::object::player
2039	cf::player peaceful	3232	player
2040	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2041		3239
2042	=cut	3240	=cut
2043		3241
2044	for (	3242	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2049	) {	3249	) {
2050	no strict 'refs';	3250	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2070		3270
2071	my $qcode = $code;	3271	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2074		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2075	local $_;	3278	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;
2077		3279
2078	my $eval =	3280	my $eval =
2079	"do {\n"	3281	"do {\n"
2080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2082	. $code	3284	. $code
2083	. "\n}"	3285	. "\n}"
2084	;	3286	;
2085		3287
		3288	if ($CFG{safe_eval}) {
2086	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2089		3297
2090	if ($@) {	3298	if ($@) {
2091	warn "$@";	3299	warn "$@";
2092	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2093	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2112	=cut	3320	=cut
2113		3321
2114	sub register_script_function {	3322	sub register_script_function {
2115	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2116		3324
2117	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2119	}	3327	}
2120		3328
2121	=back	3329	=back
2122		3330
2123	=cut	3331	=cut
2124		3332
2125	#############################################################################	3333	#############################################################################
		3334	# the server's init and main functions
2126		3335
2127	=head2 EXTENSION DATABASE SUPPORT	3336	sub load_facedata($) {
		3337	my ($path) = @_;
2128		3338
2129	Crossfire maintains a very simple database for extension use. It can	3339	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3340	# for this (global event?)
2131	excludes objects.	3341	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3342
2133	The parameter C<$family> should best start with the name of the extension	3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3344
2136	=over 4	3345	warn "loading facedata from $path\n";
2137		3346
2138	=item $hashref = cf::db_get $family	3347	my $facedata;
		3348	0 < aio_load $path, $facedata
		3349	or die "$path: $!";
2139		3350
2140	Return a hashref for use by the extension C<$family>, which can be	3351	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		3352
2144	=item $value = cf::db_get $family => $key	3353	$facedata->{version} == 2
		3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		3355
2146	Returns a single value from the database	3356	# patch in the exptable
2147		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2148	=item cf::db_put $family => $hashref	3358	$facedata->{resource}{"res/exp_table"} = {
2149		3359	type => FT_RSRC,
2150	Stores the given family hashref into the database. Updates are delayed, if	3360	data => $exp_table,
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3361	hash => (Digest::MD5::md5 $exp_table),
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3362	};
		3363	cf::cede_to_tick;
2199		3364
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3365	{
		3366	my $faces = $facedata->{faceinfo};
2204		3367
2205	sub db_get($;$) {	3368	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3370
2211	sub db_put($$;$) {	3371	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3372	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214	} else {	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		3375
2220	cf::global->attach (	3376	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3377	}
2225	);
2226	}
2227		3378
2228	#############################################################################	3379	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3380	next unless $info->{smooth};
2230		3381
2231	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
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3511	or return;
2234		3512
2235	local $/;	3513	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2237		3515
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2239		3517
2240	$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};
2241	$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};
…		…
2245	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2246	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2247	};	3525	};
2248	warn $@ if $@;	3526	warn $@ if $@;
2249	}	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;
2250	}	3558	}
2251		3559
2252	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
2253	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2255	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#
2256	async { Event::one_event };	3573	(async {
		3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
		3576	})->prio (Coro::PRIO_MAX);
2257	};	3577	};
2258		3578
2259	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
2260	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
2261	load_extensions;	3602	load_extensions;
2262	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;
2263	}	3617	}
2264		3618
2265	#############################################################################	3619	#############################################################################
2266	# initialisation and cleanup	3620	# initialisation and cleanup
2267		3621
2268	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2269	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2276	},
2277	);	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
2278	}	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 };
2279	}	3718	}
2280		3719
2281	sub emergency_save() {	3720	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2283		3722
2284	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2285		3724
2286	cf::sync_job {	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
2287	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3739	$pl->save;
2295	}	3740	}
2296	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2297		3742
2298	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3746	$map->valid or next;
2302	$map->save;	3747	$map->save;
2303	}	3748	}
2304	warn "end emergency map save\n";	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";
2305	};	3758	};
2306		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
2307	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2308	}	3766	}
2309		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
2310	sub reload() {	3803	sub do_reload_perl() {
2311	# can/must only be called in main	3804	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2313	warn "can only reload from main coroutine\n";	3806	warn "can only reload from main coroutine";
2314	return;	3807	return;
2315	}	3808	}
2316		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2317	warn "reloading...";	3815	warn "reloading...";
2318		3816
2319	warn "freezing server";	3817	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3818
		3819	cf::sync_job {
		3820	cf::write_runtime_sync; # external watchdog should not bark
2321	cf::emergency_save;	3821	cf::emergency_save;
		3822	cf::write_runtime_sync; # external watchdog should not bark
2322		3823
2323	warn "sync database to disk";	3824	warn "syncing database to disk";
2324	cf::db_sync;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3826
2327	eval {
2328	# 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
2329		3828
2330	warn "cancel all watchers";	3829	warn "flushing outstanding aio requests";
2331	for (Event::all_watchers) {	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();
2338
2339	warn "remove commands";
2340	%COMMAND = ();
2341
2342	warn "remove ext commands";
2343	%EXTCMD = ();
2344
2345	warn "unload/nuke all extensions";
2346	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";
2348
2349	if (my $cb = $pkg->can ("unload")) {
2350	eval {
2351	$cb->($pkg);
2352	1
2353	} or warn "$pkg unloaded, but with errors: $@";
2354	}	3832	}
2355		3833
		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) {
2356	warn "... nuking $pkg";	3847	warn "... unloading $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359		3848
2360	warn "unload all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363
2364	warn "removing <$k>";
2365	delete $INC{$k};
2366
2367	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;
2369
2370	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2371	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2372	}	3858	}
2373		3859
2374	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		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 $k;
2375	}	3875	}
2376		3876
2377	warn "get rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2379	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);
2380		3880
2381	warn "unload cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		3884
2384	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3886	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2387		3888
		3889	warn "unload completed, starting to reload now";
		3890
2388	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2389	require cf;	3892	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2391		3894
2392	warn "load config and database again";	3895	warn "loading config and database again";
2393	cf::cfg_load;	3896	cf::reload_config;
2394	cf::db_load;
2395		3897
2396	warn "load extensions";	3898	warn "loading extensions";
2397	cf::load_extensions;	3899	cf::load_extensions;
2398		3900
		3901	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3903	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3904	warn "reattaching attachments to maps";
2402	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 $RELOAD_WATCHER;
		3941	};
2403	};	3942	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3943	}
2456		3944
2457	register_command "reload" => sub {	3945	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2459		3947
2460	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
		3952	reload_perl;
		3953	};
2464	}	3954	}
2465	};	3955	};
2466		3956
2467	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2468		3958
2469	$TICK_WATCHER = Event->timer (	3959	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		3960
		3961	our @WAIT_FOR_TICK;
		3962	our @WAIT_FOR_TICK_BEGIN;
		3963
		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
2477	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		3988
2481	$WAIT_FOR_TICK->broadcast;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483		3990
2484	# if we are delayed by four ticks or more, skip them all	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486		3993	Coro::async_pool {
2487	$TICK_WATCHER->at ($NEXT_TICK);	3994	$Coro::current->{desc} = "runtime saver";
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	3995	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2510	})->();	3997	};
2511	},	3998	}
2512	);	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;
2513		4114
2514	END { cf::emergency_save }	4115	END { cf::emergency_save }
2515		4116
2516	1	4117	1
2517		4118

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