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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 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 = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	118	our $NEXT_TICK;
46	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
47		127
48	our %CFG;	128	our %CFG;
49		129
50	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
52		133
53	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		137
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
60	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 $REALLY_UNLOOP; # never set to true, please :)
61		150
62	binmode STDOUT;	151	binmode STDOUT;
63	binmode STDERR;	152	binmode STDERR;
64		153
65	# read virtual server time, if available	154	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
70	}	159	}
71		160
72	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		162
78	# a special map that is always available	163	mkdir $_
79	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
80	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		180
82	#############################################################################	181	#############################################################################
83		182
84	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
85		184
…		…
92	=item $cf::RUNTIME	191	=item $cf::RUNTIME
93		192
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	194	every server tick.
96		195
97	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		199
99	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
101		204
102	=item $cf::NOW	205	=item $cf::NOW
103		206
104	The time of the last (current) server tick.	207	The time of the last (current) server tick.
105		208
106	=item $cf::TICK	209	=item $cf::TICK
107		210
108	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
109		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
110	=item %cf::CFG	223	=item %cf::CFG
111		224
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	226	from wherever your confdir points to.
114		227
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		229
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
121		245
122	=back	246	=back
123		247
124	=cut	248	=cut
125		249
126	BEGIN {	250	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	251	my $msg = join "", @_;
129	utf8::encode $msg;
130		252
131	$msg .= "\n"	253	$msg .= "\n"
132	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
133		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
134	LOG llevError, $msg;	258	LOG llevError, $msg;
135	};	259	};
136	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
137		274
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		282
145	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	284	# within the Safe compartment.
147	for my $pkg (qw(	285	for my $pkg (qw(
148	cf::global cf::attachable	286	cf::global cf::attachable
149	cf::object cf::object::player	287	cf::object cf::object::player
150	cf::client cf::player	288	cf::client cf::player
151	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
152	cf::map cf::party cf::region	291	cf::party cf::region
153	)) {	292	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	294	}
157		295
158	$Event::DIED = sub {	296	$EV::DIED = sub {
159	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
160	};	298	};
161		299
162	my %ext_pkg;	300	#############################################################################
163	my @exts;
164	my @hook;
165		301
166	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
167		303
168	=over 4	304	=over 4
169		305
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	325	$d
190	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
191	}	327	}
192		328
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
196		330
197	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
198		332
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
207		334
208	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
209		336
210	=cut	337	=cut
211		338
212	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
214	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
215	}	356	}
216		357
217	=item cf::lock_wait $string	358	=item cf::lock_wait $string
218		359
219	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
220		361
221	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
222		363
223	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
226	returned.	367	returned.
227		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
228	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
230		374
231	=cut	375	=item $locked = cf::lock_active $string
232		376
233	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
234		382
235	sub lock_wait($) {	383	sub lock_wait($) {
236	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	385	}
244		386
245	sub lock_acquire($) {	387	sub lock_acquire($) {
246	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
247		390
248	# wait, to be sure we are not locked	391	sub lock_active($) {
249	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	393	}
258		394
259	sub freeze_mainloop {	395	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
261		397
262	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	399	}
264	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
265	}	481	}
266		482
267	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
268		484
269	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		490
275	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
276		492
277	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
278		494
279	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
282		499
283	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
286	fast or be very important.	503	fast or be very important.
…		…
289		506
290	sub sync_job(&) {	507	sub sync_job(&) {
291	my ($job) = @_;	508	my ($job) = @_;
292		509
293	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
294	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
296		515
297	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	517
299	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
300		519
301	my $busy = 1;	520	my $busy = 1;
302	my @res;	521	my @res;
303		522
304	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	525	@res = eval { $job->() };
306	warn $@ if $@;	526	warn $@ if $@;
307	undef $busy;	527	undef $busy;
308	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
309		529
310	while ($busy) {	530	while ($busy) {
311	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
312	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
313		541
314	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
315	} else {	543	} else {
316	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
317		545
…		…
319	}	547	}
320	}	548	}
321		549
322	=item $coro = cf::async_ext { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
323		551
324	Like async, but this coro is automcatially being canceled when the	552	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	553	extension calling this is being unloaded.
326		554
327	=cut	555	=cut
328		556
329	sub async_ext(&) {	557	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
338		566
339	$coro	567	$coro
340	}	568	}
341		569
342	sub write_runtime {	570	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		571
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
346	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
347		576
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		578
352	aio_fsync $fh	579	sub fork_call(&@) {
353	and return;	580	my ($cb, @args) = @_;
354		581
355	close $fh	582	# we seemingly have to make a local copy of the whole thing,
356	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
357		585
358	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
359	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
360		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
361	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	768	}
363		769
364	=back	770	=back
365		771
366	=cut	772	=cut
367		773
368	#############################################################################	774	#############################################################################
369		775
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
493		777
494	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
497		781
498	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	784	Deliantra).
501		785
502	=over 4	786	=over 4
503		787
504	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
505		789
…		…
549	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
550		834
551	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
553		837
554	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
556		840
557	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
558		842
559	=over 4	843	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	904	our @CB_MAP = ();
621		905
622	my %attachment;	906	my %attachment;
623		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
624	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
626		916
627	use sort 'stable';	917	use sort 'stable';
628		918
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
663		953
664	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		958
669	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	960	my $pkg = shift @arg;
671		961
672	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
702	}	992	}
703		993
704	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
705	} else {	995	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	997	}
708		998
709	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
710	}	1000	}
711		1001
…		…
713	if (ref $_[0]) {	1003	if (ref $_[0]) {
714	_object_attach @_;	1004	_object_attach @_;
715	} else {	1005	} else {
716	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
717	}	1007	}
		1008	_recalc_want;
718	};	1009	};
719		1010
720	# all those should be optimised	1011	# all those should be optimised
721	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1017	reattach ($obj);
727	} else {	1018	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
729	}	1020	}
		1021	_recalc_want;
730	};	1022	};
731		1023
732	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
734		1026
…		…
749	";	1041	";
750	die if $@;	1042	die if $@;
751	}	1043	}
752		1044
753	our $override;	1045	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1047
756	sub override {	1048	sub override {
757	$override = 1;	1049	$override = 1;
758	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
759	}	1051	}
760		1052
761	sub do_invoke {	1053	sub do_invoke {
762	my $event = shift;	1054	my $event = shift;
763	my $callbacks = shift;	1055	my $callbacks = shift;
764		1056
765	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
766		1058
767	local $override;	1059	local $override;
768		1060
769	for (@$callbacks) {	1061	for (@$callbacks) {
770	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
779	}	1071	}
780		1072
781	0	1073	0
782	}	1074	}
783		1075
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1077
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1079
788	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
789		1081
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1085
794	=back	1086	=back
795		1087
796	=cut	1088	=cut
797		1089
798	#############################################################################	1090	#############################################################################
799	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
800		1134
801	sub reattach {	1135	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1141
805	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
806		1143
807	@$registry = ();	1144	@$registry = ();
808		1145
…		…
823	cf::attachable->attach (	1160	cf::attachable->attach (
824	prio => -1000000,	1161	prio => -1000000,
825	on_instantiate => sub {	1162	on_instantiate => sub {
826	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
827		1164
828	$data = from_json $data;	1165	$data = decode_json $data;
829		1166
830	for (@$data) {	1167	for (@$data) {
831	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
832		1169
833	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1186	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
851		1188
852	sync_job {	1189	sync_job {
853	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
856		1194
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
860	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
861	close $fh;	1202	aio_close $fh;
862		1203
863	if (@$objs) {	1204	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
868	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
869	close $fh;	1213	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
871	}	1215	}
872	} else {	1216	} else {
873	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
874	}	1218	}
875		1219
876	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1224	} else {
878	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
879	}	1226	}
880	} else {	1227	} else {
881	aio_unlink $filename;	1228	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
883	}	1230	}
884	}	1231	};
885	}	1232	}
886		1233
887	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
889		1236
…		…
901	or return;	1248	or return;
902		1249
903	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
905	or return;	1252	or return;
		1253
906	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
907	}	1256	}
908		1257
		1258	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
911	return ($data, $av);	1262	($data, $av)
912	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
913		1270
914	#############################################################################	1271	#############################################################################
915	# command handling &c	1272	# command handling &c
916		1273
917	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1288	}
932		1289
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1291
935	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
936		1297
937	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
938	called.	1299	called.
939		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
940	=cut	1312	=cut
941		1313
942	sub register_extcmd {	1314	sub register_extcmd {
943	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
944		1316
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
949	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
950		1327
951	cf::player->attach (	1328	cf::player->attach (
952	on_command => sub {	1329	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
954		1331
955	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
956	or return;	1333	or return;
957		1334
…		…
962	cf::override;	1339	cf::override;
963	},	1340	},
964	on_extcmd => sub {	1341	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
966		1343
967	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1345
969	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
975	} else {	1361	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1363	}
978		1364
979	cf::override;	1365	cf::override;
980	},	1366	},
981	);	1367	);
982		1368
983	sub register {	1369	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1370	sub cache_extensions {
990	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
991		1372
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1376	}
1042	}	1377	};
1043		1378
1044	# remove extcmds	1379	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1380	}
1058		1381
1059	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1060	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1387	next unless -r $path;
1062	eval {	1388
1063	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
1064	1	1452	}
1065	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
1066	}	1463	};
1067	}	1464	}
1068		1465
1069	#############################################################################	1466	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1467
1072	*cf::mapsupport::on_clean = sub {	1468	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1469
1085	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
1086		1471
1087	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
1088		1473
1089	=cut	1474	=cut
1090		1475
1091	package cf::player;	1476	package cf::player;
1092		1477
…		…
1094		1479
1095	=head3 cf::player	1480	=head3 cf::player
1096		1481
1097	=over 4	1482	=over 4
1098		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
1099	=item cf::player::find $login	1498	=item cf::player::find $login
1100		1499
1101	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
1102		1501
1103	=cut	1502	=cut
1104		1503
1105	sub playerdir($) {	1504	sub playerdir($) {
1106	cf::localdir	1505	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1507	}
1112		1508
1113	sub path($) {	1509	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1511
1116	(playerdir $login) . "/$login.pl"	1512	(playerdir $login) . "/playerdata"
1117	}	1513	}
1118		1514
1119	sub find_active($) {	1515	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1516	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1517	and $cf::PLAYER{$_[0]}->active
…		…
1124		1520
1125	sub exists($) {	1521	sub exists($) {
1126	my ($login) = @_;	1522	my ($login) = @_;
1127		1523
1128	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1525	or !aio_stat path $login
1130	}	1526	}
1131		1527
1132	sub find($) {	1528	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1530	my $login = $_[0];
1135		1531
1136	my $guard = cf::lock_acquire "user_find:$login";	1532	my $guard = cf::lock_acquire "user_find:$login";
1137		1533
1138	$cf::PLAYER{$_[0]} || do {	1534	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1535	# rename old playerfiles to new ones
		1536	#TODO: remove when no longer required
		1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1540	aio_unlink +(playerdir $login) . "/$login.pl";
		1541
		1542	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
1142	}	1551	}
1143	}	1552	}
1144	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
1145		1567
1146	sub save($) {	1568	sub save($) {
1147	my ($pl) = @_;	1569	my ($pl) = @_;
1148		1570
1149	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1155		1577
1156	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1158		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1159	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1160	Coro::cede;	1587	cf::cede_to_tick;
1161	}	1588	}
1162		1589
1163	sub new($) {	1590	sub new($) {
1164	my ($login) = @_;	1591	my ($login) = @_;
1165		1592
…		…
1171	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1172		1599
1173	$self	1600	$self
1174	}	1601	}
1175		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1176	=item $pl->quit_character	1613	=item $pl->quit_character
1177		1614
1178	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1180		1617
1181	=cut	1618	=cut
1182		1619
1183	sub quit_character {	1620	sub quit_character {
1184	my ($pl) = @_;	1621	my ($pl) = @_;
1185		1622
		1623	my $name = $pl->ob->name;
		1624
1186	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1627
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1193		1634
1194	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1637	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1638	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1639	$pl->destroy;
		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
1199	IO::AIO::aio_rmtree $temp;	1646	IO::AIO::aio_rmtree $temp;
		1647	}
		1648
		1649	=item $pl->kick
		1650
		1651	Kicks a player out of the game. This destroys the connection.
		1652
		1653	=cut
		1654
		1655	sub kick {
		1656	my ($pl, $kicker) = @_;
		1657
		1658	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1659	$pl->killer ("kicked");
		1660	$pl->ns->destroy;
1200	}	1661	}
1201		1662
1202	=item cf::player::list_logins	1663	=item cf::player::list_logins
1203		1664
1204	Returns am arrayref of all valid playernames in the system, can take a	1665	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1666	while and may block, so not sync_job-capable, ever.
1206		1667
1207	=cut	1668	=cut
1208		1669
1209	sub list_logins {	1670	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1671	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1672	or return [];
1212		1673
1213	my @logins;	1674	my @logins;
1214		1675
1215	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1219		1686
1220	utf8::decode $login;	1687	utf8::decode $login;
1221	push @logins, $login;	1688	push @logins, $login;
1222	}	1689	}
1223		1690
1224	\@logins	1691	\@logins
1225	}	1692	}
1226		1693
1227	=item $player->maps	1694	=item $player->maps
1228		1695
1229	Returns an arrayref of cf::path's of all maps that are private for this	1696	Returns an arrayref of map paths that are private for this
1230	player. May block.	1697	player. May block.
1231		1698
1232	=cut	1699	=cut
1233		1700
1234	sub maps($) {	1701	sub maps($) {
1235	my ($pl) = @_;	1702	my ($pl) = @_;
		1703
		1704	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1705
1237	my $files = aio_readdir playerdir $pl	1706	my $files = aio_readdir playerdir $pl
1238	or return;	1707	or return;
1239		1708
1240	my @paths;	1709	my @paths;
1241		1710
1242	for (@$files) {	1711	for (@$files) {
1243	utf8::decode $_;	1712	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1713	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1714	next unless /^$PATH_SEP/o;
1246		1715
1247	s/$PATH_SEP/\//g;	1716	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1717	}
1250		1718
1251	\@paths	1719	\@paths
1252	}	1720	}
1253		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1255		1727
1256	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1257		1729
1258	=cut	1730	=cut
1259		1731
1260	sub ext_reply($$$%) {	1732	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1262		1734
1263	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1736	}
1267		1737
1268	package cf;	1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
		1751
		1752	=over 4
		1753
		1754	=cut
		1755
		1756	package cf::region;
		1757
		1758	=item cf::region::find_by_path $path
		1759
		1760	Tries to decuce the likely region for a map knowing only its path.
		1761
		1762	=cut
		1763
		1764	sub find_by_path($) {
		1765	my ($path) = @_;
		1766
		1767	my ($match, $specificity);
		1768
		1769	for my $region (list) {
		1770	if ($region->{match} && $path =~ $region->{match}) {
		1771	($match, $specificity) = ($region, $region->specificity)
		1772	if $region->specificity > $specificity;
		1773	}
		1774	}
		1775
		1776	$match
		1777	}
1269		1778
1270	=back	1779	=back
1271
1272		1780
1273	=head3 cf::map	1781	=head3 cf::map
1274		1782
1275	=over 4	1783	=over 4
1276		1784
…		…
1279	package cf::map;	1787	package cf::map;
1280		1788
1281	use Fcntl;	1789	use Fcntl;
1282	use Coro::AIO;	1790	use Coro::AIO;
1283		1791
		1792	use overload
		1793	'""' => \&as_string,
		1794	fallback => 1;
		1795
1284	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1286		1798
1287	sub generate_random_map {	1799	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1803
1290	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1805	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1813	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1814	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1815	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1816	(cf::region::find $rmp->{region}), $rmp->{custom}
		1817	)
1304	}	1818	}
1305		1819
1306	# and all this just because we cannot iterate over	1820	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1821
1311	$_->change_map_light ($change)	1822	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1823	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1824	default).
1314		1825
1315	sub try_load_header($) {	1826	=cut
		1827
		1828	sub register {
		1829	my (undef, $regex, $prio) = @_;
		1830	my $pkg = caller;
		1831
		1832	no strict;
		1833	push @{"$pkg\::ISA"}, __PACKAGE__;
		1834
		1835	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1836	}
		1837
		1838	# also paths starting with '/'
		1839	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1840
		1841	sub thawer_merge {
		1842	my ($self, $merge) = @_;
		1843
		1844	# we have to keep some variables in memory intact
		1845	local $self->{path};
		1846	local $self->{load_path};
		1847
		1848	$self->SUPER::thawer_merge ($merge);
		1849	}
		1850
		1851	sub normalise {
1316	my ($path) = @_;	1852	my ($path, $base) = @_;
		1853
		1854	$path = "$path"; # make sure its a string
		1855
		1856	$path =~ s/\.map$//;
		1857
		1858	# map plan:
		1859	#
		1860	# /! non-realised random map exit (special hack!)
		1861	# {... are special paths that are not being touched
		1862	# ?xxx/... are special absolute paths
		1863	# ?random/... random maps
		1864	# /... normal maps
		1865	# ~user/... per-player map of a specific user
		1866
		1867	$path =~ s/$PATH_SEP/\//go;
		1868
		1869	# treat it as relative path if it starts with
		1870	# something that looks reasonable
		1871	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1872	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1873
		1874	$base =~ s{[^/]+/?$}{};
		1875	$path = "$base/$path";
		1876	}
		1877
		1878	for ($path) {
		1879	redo if s{//}{/};
		1880	redo if s{/\.?/}{/};
		1881	redo if s{/[^/]+/\.\./}{/};
		1882	}
		1883
		1884	$path
		1885	}
		1886
		1887	sub new_from_path {
		1888	my (undef, $path, $base) = @_;
		1889
		1890	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1891
		1892	$path = normalise $path, $base;
		1893
		1894	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1895	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1896	my $self = bless cf::map::new, $pkg;
		1897	$self->{path} = $path; $self->path ($path);
		1898	$self->init; # pass $1 etc.
		1899	return $self;
		1900	}
		1901	}
		1902
		1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1904	()
		1905	}
		1906
		1907	sub init {
		1908	my ($self) = @_;
		1909
		1910	$self
		1911	}
		1912
		1913	sub as_string {
		1914	my ($self) = @_;
		1915
		1916	"$self->{path}"
		1917	}
		1918
		1919	# the displayed name, this is a one way mapping
		1920	sub visible_name {
		1921	&as_string
		1922	}
		1923
		1924	# the original (read-only) location
		1925	sub load_path {
		1926	my ($self) = @_;
		1927
		1928	"$MAPDIR/$self->{path}.map"
		1929	}
		1930
		1931	# the temporary/swap location
		1932	sub save_path {
		1933	my ($self) = @_;
		1934
		1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1936	"$TMPDIR/$path.map"
		1937	}
		1938
		1939	# the unique path, undef == no special unique path
		1940	sub uniq_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$UNIQUEDIR/$path"
		1945	}
		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
		1955	sub unlink_save {
		1956	my ($self) = @_;
		1957
		1958	utf8::encode (my $save = $self->save_path);
		1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1961	}
		1962
		1963	sub load_header_from($) {
		1964	my ($self, $path) = @_;
1317		1965
1318	utf8::encode $path;	1966	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1320	or return;	1968	or return;
1321		1969
1322	my $map = cf::map::new	1970	$self->_load_header ($f)
1323	or return;	1971	or return;
1324		1972
1325	# for better error messages only, will be overwritten	1973	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1974	$f->resolve_delayed_derefs;
1327		1975
1328	$map->load_header ($path)	1976	$self->{load_path} = $path;
		1977
		1978	1
		1979	}
		1980
		1981	sub load_header_orig {
		1982	my ($self) = @_;
		1983
		1984	$self->load_header_from ($self->load_path)
		1985	}
		1986
		1987	sub load_header_temp {
		1988	my ($self) = @_;
		1989
		1990	$self->load_header_from ($self->save_path)
		1991	}
		1992
		1993	sub prepare_temp {
		1994	my ($self) = @_;
		1995
		1996	$self->last_access ((delete $self->{last_access})
		1997	|| $cf::RUNTIME); #d#
		1998	# safety
		1999	$self->{instantiate_time} = $cf::RUNTIME
		2000	if $self->{instantiate_time} > $cf::RUNTIME;
		2001	}
		2002
		2003	sub prepare_orig {
		2004	my ($self) = @_;
		2005
		2006	$self->{load_original} = 1;
		2007	$self->{instantiate_time} = $cf::RUNTIME;
		2008	$self->last_access ($cf::RUNTIME);
		2009	$self->instantiate;
		2010	}
		2011
		2012	sub load_header {
		2013	my ($self) = @_;
		2014
		2015	if ($self->load_header_temp) {
		2016	$self->prepare_temp;
		2017	} else {
		2018	$self->load_header_orig
1329	or return;	2019	or return;
		2020	$self->prepare_orig;
		2021	}
1330		2022
1331	$map->{load_path} = $path;	2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
1332		2025
1333	$map	2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
		2029	1
1334	}	2030	}
1335		2031
1336	sub find;	2032	sub find;
1337	sub find {	2033	sub find {
1338	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1339		2035
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2037
1345	cf::lock_wait "map_find:$key";	2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2040
1350	# do it the slow way	2041	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2042	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2043	or return;
1369		2044
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1382		2046
1383	Coro::cede;	2047	$map->load_header
		2048	or return;
1384		2049
1385	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
		2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1386	$map->reset;	2055	$map->reset;
1387	undef $guard;
1388	$map = find $path	2056	return find $path;
1389	or return;
1390	}	2057	}
1391		2058
1392	$cf::MAP{$key} = $map	2059	$cf::MAP{$path} = $map
1393	}	2060	}
1394	}	2061	}
		2062
		2063	sub pre_load { }
		2064	#sub post_load { } # XS
1395		2065
1396	sub load {	2066	sub load {
1397	my ($self) = @_;	2067	my ($self) = @_;
1398		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1399	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2074	my $guard = cf::lock_acquire "map_data:$path";
1401		2075
		2076	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2078
1404	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1405		2080
1406	$self->alloc;	2081	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1408	or return;	2089	or return;
1409		2090
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1411	if delete $self->{load_original};	2092	if delete $self->{load_original};
1412		2093
1413	if (my $uniq = $path->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2095	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2098	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1418	}	2102	}
1419	}	2103	}
1420		2104
1421	Coro::cede;	2105	$f->resolve_delayed_derefs;
1422		2106
		2107	cf::cede_to_tick;
1423	# now do the right thing for maps	2108	# now do the right thing for maps
1424	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2111	unless $self->difficulty;
		2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1436	$self->activate;	2119	$self->activate;
1437	}	2120	}
1438		2121
1439	Coro::cede;	2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
1440		2124
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
		2126	}
		2127
		2128	$self->post_load;
		2129	}
		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
		2134	sub customise_for {
		2135	my ($self, $ob) = @_;
		2136
		2137	return find "~" . $ob->name . "/" . $self->{path}
		2138	if $self->per_player;
		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
		2143	$self
1442	}	2144	}
1443		2145
1444	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2147	sub load_neighbours {
1446	my ($map) = @_;	2148	my ($map) = @_;
1447		2149
1448	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1449		2151
1450	for (0 .. 3) {	2152	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1452	or next;	2154	or next;
1453	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1454	or next;	2156	or next;
1455	$neigh->load;	2157	$neigh->load;
1456		2158
		2159	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2162	}
1460		2163
1461	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1463	or next;	2167	or next;
1464	$neigh->load;	2168	$neigh->load;
1465	}	2169	}
1466	}	2170	}
1467		2171
…		…
1472	}	2176	}
1473		2177
1474	sub do_load_sync {	2178	sub do_load_sync {
1475	my ($map) = @_;	2179	my ($map) = @_;
1476		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1477	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1478	}	2185	}
1479		2186
1480	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
		2188	our $MAP_PREFETCHER = undef;
		2189
		2190	sub find_async {
		2191	my ($path, $origin, $load) = @_;
		2192
		2193	$path = normalise $path, $origin && $origin->{path};
		2194
		2195	if (my $map = $cf::MAP{$path}) {
		2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2197	}
		2198
		2199	$MAP_PREFETCH{$path} |= $load;
		2200
1481	our $MAP_PREFETCHER = Coro::async {	2201	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2202	$Coro::current->{desc} = "map prefetcher";
		2203
1483	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2206	if (my $map = find $k) {
		2207	$map->load if $v;
		2208	}
		2209
1486	my $path = delete $MAP_PREFETCH{$key};	2210	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2211	}
1492	Coro::schedule;	2212	}
		2213	undef $MAP_PREFETCHER;
1493	}	2214	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2215	$MAP_PREFETCHER->prio (6);
1508		2216
1509	()	2217	()
		2218	}
		2219
		2220	# common code, used by both ->save and ->swapout
		2221	sub _save {
		2222	my ($self) = @_;
		2223
		2224	$self->{last_save} = $cf::RUNTIME;
		2225
		2226	return unless $self->dirty;
		2227
		2228	my $save = $self->save_path; utf8::encode $save;
		2229	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2230
		2231	$self->{load_path} = $save;
		2232
		2233	return if $self->{deny_save};
		2234
		2235	local $self->{last_access} = $self->last_access;#d#
		2236
		2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
		2239	$_->contr->save for $self->players;
		2240	};
		2241
		2242	cf::get_slot 0.02;
		2243
		2244	if ($uniq) {
		2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2247	} else {
		2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2249	}
1510	}	2250	}
1511		2251
1512	sub save {	2252	sub save {
1513	my ($self) = @_;	2253	my ($self) = @_;
1514		2254
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2256
1517	$self->{last_save} = $cf::RUNTIME;	2257	$self->_save;
1518
1519	return unless $self->dirty;
1520
1521	my $save = $self->{path}->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1523
1524	$self->{load_path} = $save;
1525
1526	return if $self->{deny_save};
1527
1528	local $self->{last_access} = $self->last_access;#d#
1529
1530	cf::async {
1531	$_->contr->save for $self->players;
1532	};
1533
1534	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}
1540	}	2258	}
1541		2259
1542	sub swap_out {	2260	sub swap_out {
1543	my ($self) = @_;	2261	my ($self) = @_;
1544		2262
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1550	return if $self->players;	2267	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1554	$self->clear;	2278	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2279	}
1557		2280
1558	sub reset_at {	2281	sub reset_at {
1559	my ($self) = @_;	2282	my ($self) = @_;
1560		2283
1561	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1564		2286
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2289
…		…
1572	my ($self) = @_;	2294	my ($self) = @_;
1573		2295
1574	$self->reset_at <= $cf::RUNTIME	2296	$self->reset_at <= $cf::RUNTIME
1575	}	2297	}
1576		2298
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2299	sub reset {
1599	my ($self) = @_;	2300	my ($self) = @_;
1600		2301
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2303
1603	return if $self->players;	2304	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2305
1606	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
		2307
		2308	$self->in_memory (cf::MAP_SWAPPED);
		2309
		2310	# need to save uniques path
		2311	unless ($self->{deny_save}) {
		2312	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2313
		2314	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2315	if $uniq;
		2316	}
1607		2317
1608	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1609		2319
		2320	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->clear;
1611		2323
1612	$self->unlink_save;	2324	$self->unlink_save;
1613	$self->destroy;	2325	$self->destroy;
1614	}	2326	}
1615		2327
1616	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1617		2329
1618	sub nuke {	2330	sub nuke {
1619	my ($self) = @_;	2331	my ($self) = @_;
1620		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
		2336	delete $cf::MAP{$self->path};
		2337
		2338	$self->unlink_save;
		2339
		2340	bless $self, "cf::map";
		2341	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2345
		2346	$cf::MAP{$self->path} = $self;
		2347	}
		2348
1624	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
1625	}	2350	}
1626		2351
1627	sub customise_for {	2352	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2353
1630	if ($map->per_player) {	2354	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
1632	}	2360	[
		2361	map {
		2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
		2368	}
1633		2369
		2370	=item $maps = cf::map::random_maps
		2371
		2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
		2374
		2375	=cut
		2376
		2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
		2386	}
		2387
		2388	=item cf::map::unique_maps
		2389
		2390	Returns an arrayref of paths of all shared maps that have
		2391	instantiated unique items. May block.
		2392
		2393	=cut
		2394
		2395	sub unique_maps() {
		2396	[
		2397	map {
		2398	utf8::decode $_;
		2399	s/\.map$//; # TODO future compatibility hack
		2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2401	? ()
		2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
		2404	]
		2405	}
		2406
		2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
		2434	}
		2435
1634	$map	2436	\@maps
1635	}	2437	}
1636
1637	package cf;
1638		2438
1639	=back	2439	=back
1640		2440
1641	=head3 cf::object	2441	=head3 cf::object
1642		2442
…		…
1646		2446
1647	=over 4	2447	=over 4
1648		2448
1649	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
1650		2450
1651	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
1652		2453
1653	=cut	2454	=cut
1654		2455
1655	sub inv_recursive_;	2456	sub inv_recursive_;
1656	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
1659		2460
1660	sub inv_recursive {	2461	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
1662	}	2463	}
1663		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
1664	package cf;	2493	package cf;
1665		2494
1666	=back	2495	=back
1667		2496
1668	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1677		2506
1678	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1679		2522
1680	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2524	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1685		2528
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2530
1688	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1690	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1693	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1694	}	2556	}
1695		2557
1696	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1697		2559
1698	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1711		2573
1712	=item $player_object->enter_link	2574	=item $player_object->enter_link
1713		2575
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2577
1716	The player should be reaosnably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
		2582
		2583	Will never block.
1718		2584
1719	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1720		2586
1721	Moves the player out of the specila link map onto the given map. If the	2587	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2588	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2589	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2590	fails, to the emergency map position.
1725		2591
1726	Might block.	2592	Might block.
1727		2593
1728	=cut	2594	=cut
		2595
		2596	sub link_map {
		2597	unless ($LINK_MAP) {
		2598	$LINK_MAP = cf::map::find "{link}"
		2599	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2600	$LINK_MAP->load;
		2601	}
		2602
		2603	$LINK_MAP
		2604	}
1729		2605
1730	sub cf::object::player::enter_link {	2606	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2607	my ($self) = @_;
1732		2608
1733	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1734		2610
1735	return if $self->map == $LINK_MAP;	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2612
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1739		2615
1740	$self->enter_map ($LINK_MAP, 20, 20);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2617	}
1742		2618
1743	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1745		2623
1746	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1747		2625
1748	unless ($map) {	2626	unless ($map) {
1749	# restore original map position	2627	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1762		2640
1763	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1766		2644
1767	$map->load;	2645	$map->load;
1768	$map->load_diag;	2646	$map->load_neighbours;
1769		2647
1770	return unless $self->contr->active;	2648	return unless $self->contr->active;
		2649
		2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2654	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2655	}
1774		2656
1775	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2658
1779	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1783	};	2663	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2664
1789	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2667
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2668	=cut
		2669
		2670	our $GOTOGEN;
1810		2671
1811	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2674
1814	$path = new cf::path $path;	2675	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2677
1817	$self->enter_link;	2678	$self->enter_link;
1818		2679
1819	(async {	2680	(async {
1820	my $map = cf::map::find $path->as_string;	2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
		2702	my $map = eval {
		2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
1822		2707	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2708	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
1827		2711
		2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
		2718	}
		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1829	})->prio (1);	2726	})->prio (1);
1830	}	2727	}
1831		2728
1832	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1833		2730
…		…
1835		2732
1836	sub parse_random_map_params {	2733	sub parse_random_map_params {
1837	my ($spec) = @_;	2734	my ($spec) = @_;
1838		2735
1839	my $rmp = { # defaults	2736	my $rmp = { # defaults
1840	xsize => 10,	2737	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2738	ysize => (cf::rndm 15, 40),
		2739	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2740	#layout => string,
1842	};	2741	};
1843		2742
1844	for (split /\n/, $spec) {	2743	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2744	my ($k, $v) = split /\s+/, $_, 2;
1846		2745
…		…
1858	# that depends on the exit object	2757	# that depends on the exit object
1859		2758
1860	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
1861		2760
1862	if ($exit->map) {	2761	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2762	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1867	}	2768	}
1868		2769
1869	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1870		2771
1871	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
		2774	my $meta = "$RANDOMDIR/$md5.meta";
1873		2775
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
		2778	undef $fh;
		2779	aio_rename "$meta~", $meta;
1876		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1879	}	2787	}
1880	}	2788	}
1881		2789
1882	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1886		2794
1887	$self->enter_link;	2795	$self->enter_link;
1888		2796
1889	(async {	2797	(async {
1890	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
1891	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
1892	prepare_random_map $exit	2807	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2808	if $exit->slaying eq "/!";
		2809	}
1894		2810
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
1897		2814
		2815	$self->goto ($map, $x, $y);
		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
1898	1;	2821	1
1899	}) {	2822	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2825	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2827
1905	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2829	$self->leave_link;
1907	}	2830	}
1908	})->prio (1);	2831	})->prio (1);
…		…
1921		2844
1922	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1924		2847
1925	utf8::encode $text;	2848	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2850	}
1928		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
		3039	=item $client->ext_msg ($type, @msg)
		3040
		3041	Sends an ext event to the client.
		3042
		3043	=cut
		3044
		3045	sub cf::client::ext_msg($$@) {
		3046	my ($self, $type, @msg) = @_;
		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
		3051	push @msg, msgtype => "event_$type";
		3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
		3072	}
1929		3073
1930	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1931		3075
1932	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3079
1936	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3081	become reliable at some point in the future.
1938		3082
1939	=cut	3083	=cut
1940		3084
1941	sub cf::client::query {	3085	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3094	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3096
1953	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
1955	}	3101	}
1956		3102
1957	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
1958	on_reply => sub {	3109	on_reply => sub {
1959	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
1960		3111
1961	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
1962	# get handled first	3113	# get handled first
1963	my $queue = delete $ns->{query_queue}	3114	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3115	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3116
1966	(shift @$queue)->[1]->($msg);	3117	(shift @$queue)->[1]->($msg);
		3118	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3119
1968	push @{ $ns->{query_queue} }, @$queue;	3120	push @{ $ns->{query_queue} }, @$queue;
1969		3121
1970	if (@{ $ns->{query_queue} } == @$queue) {	3122	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3123	if (@$queue) {
…		…
1973	} else {	3125	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3127	}
1976	}	3128	}
1977	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
1978	);	3156	);
1979		3157
1980	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
1981		3159
1982	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3176
1999	$coro	3177	$coro
2000	}	3178	}
2001		3179
2002	cf::client->attach (	3180	cf::client->attach (
2003	on_destroy => sub {	3181	on_client_destroy => sub {
2004	my ($ns) = @_;	3182	my ($ns) = @_;
2005		3183
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3185	},
2008	);	3186	);
…		…
2023	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2025		3203
2026	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2027		3205
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2029		3211
2030	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2031		3213
2032	=pod	3214	=pod
2033		3215
2034	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2035		3217
2036	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
2037	cf::object::player player	3223	cf::object::player
2038	cf::player peaceful	3224	player
2039	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
2040		3231
2041	=cut	3232	=cut
2042		3233
2043	for (	3234	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2048	) {	3241	) {
2049	no strict 'refs';	3242	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069		3262
2070	my $qcode = $code;	3263	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2073		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2074	local $_;	3270	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3271
2077	my $eval =	3272	my $eval =
2078	"do {\n"	3273	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3276	. $code
2082	. "\n}"	3277	. "\n}"
2083	;	3278	;
2084		3279
		3280	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2088		3289
2089	if ($@) {	3290	if ($@) {
2090	warn "$@";	3291	warn "$@";
2091	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2092	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2111	=cut	3312	=cut
2112		3313
2113	sub register_script_function {	3314	sub register_script_function {
2114	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2115		3316
2116	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2118	}	3319	}
2119		3320
2120	=back	3321	=back
2121		3322
2122	=cut	3323	=cut
2123		3324
2124	#############################################################################	3325	#############################################################################
		3326	# the server's init and main functions
2125		3327
2126	=head2 EXTENSION DATABASE SUPPORT	3328	sub load_facedata($) {
		3329	my ($path) = @_;
2127		3330
2128	Crossfire maintains a very simple database for extension use. It can	3331	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3332	# for this (global event?)
2130	excludes objects.	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3334
2132	The parameter C<$family> should best start with the name of the extension	3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3336
2135	=over 4	3337	warn "loading facedata from $path\n";
2136		3338
2137	=item $hashref = cf::db_get $family	3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
2138		3342
2139	Return a hashref for use by the extension C<$family>, which can be	3343	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3344
2143	=item $value = cf::db_get $family => $key	3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3347
2145	Returns a single value from the database	3348	# patch in the exptable
2146		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3350	$facedata->{resource}{"res/exp_table"} = {
2148		3351	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3352	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3353	hash => (Digest::MD5::md5 $exp_table),
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3354	};
		3355	cf::cede_to_tick;
2198		3356
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3357	{
		3358	my $faces = $facedata->{faceinfo};
2203		3359
2204	sub db_get($;$) {	3360	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3362
2210	sub db_put($$;$) {	3363	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3364	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3367
2219	cf::global->attach (	3368	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3369	}
2224	);
2225	}
2226		3370
2227	#############################################################################	3371	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3372	next unless $info->{smooth};
2229		3373
2230	sub cfg_load {	3374	my $idx = cf::face::find $face
		3375	or next;
		3376
		3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
		3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3380	} else {
		3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3382	}
		3383
		3384	cf::cede_to_tick;
		3385	}
		3386	}
		3387
		3388	{
		3389	my $anims = $facedata->{animinfo};
		3390
		3391	while (my ($anim, $info) = each %$anims) {
		3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3393	cf::cede_to_tick;
		3394	}
		3395
		3396	cf::anim::invalidate_all; # d'oh
		3397	}
		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
		3418	1
		3419	}
		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
		3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
		3473	sub reload_facedata {
		3474	load_facedata "$DATADIR/facedata"
		3475	or die "unable to load facedata\n";
		3476	}
		3477
		3478	sub reload_archetypes {
		3479	load_resource_file "$DATADIR/archetypes"
		3480	or die "unable to load archetypes\n";
		3481	}
		3482
		3483	sub reload_treasures {
		3484	load_resource_file "$DATADIR/treasures"
		3485	or die "unable to load treasurelists\n";
		3486	}
		3487
		3488	sub reload_resources {
		3489	warn "reloading resource files...\n";
		3490
		3491	reload_facedata;
		3492	reload_archetypes;
		3493	reload_regions;
		3494	reload_treasures;
		3495
		3496	warn "finished reloading resource files\n";
		3497	}
		3498
		3499	sub reload_config {
		3500	warn "reloading config file...\n";
		3501
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3503	or return;
2233		3504
2234	local $/;	3505	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2236		3507
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2238		3509
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2245	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2246	};	3517	};
2247	warn $@ if $@;	3518	warn $@ if $@;
2248	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2249	}	3550	}
2250		3551
2251	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2252	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3565	(async {
		3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
		3568	})->prio (Coro::PRIO_MAX);
2256	};	3569	};
2257		3570
2258	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
		3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2260	load_extensions;	3594	load_extensions;
2261	Event::loop;	3595
		3596	utime time, time, $RUNTIMEFILE;
		3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2262	}	3609	}
2263		3610
2264	#############################################################################	3611	#############################################################################
2265	# initialisation and cleanup	3612	# initialisation and cleanup
2266		3613
2267	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2268	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2275	},
2276	);	3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
2277	}	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2278	}	3710	}
2279		3711
2280	sub emergency_save() {	3712	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2282		3714
2283	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2284		3716
2285	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2286	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3731	$pl->save;
2294	}	3732	}
2295	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2296		3734
2297	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3738	$map->valid or next;
2301	$map->save;	3739	$map->save;
2302	}	3740	}
2303	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
		3742
		3743	warn "emergency_perl_save: begin database checkpoint\n";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2304	};	3750	};
2305		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2306	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2307	}	3758	}
2308		3759
		3760	sub post_cleanup {
		3761	my ($make_core) = @_;
		3762
		3763	warn Carp::longmess "post_cleanup backtrace"
		3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
		3793	}
		3794
2309	sub reload() {	3795	sub do_reload_perl() {
2310	# can/must only be called in main	3796	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3798	warn "can only reload from main coroutine";
2313	return;	3799	return;
2314	}	3800	}
2315		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2316	warn "reloading...";	3807	warn "reloading...";
2317		3808
2318	my $guard = freeze_mainloop;	3809	warn "entering sync_job";
		3810
		3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3813	cf::emergency_save;
		3814	cf::write_runtime_sync; # external watchdog should not bark
2320		3815
2321	eval {	3816	warn "syncing database to disk";
		3817	BDB::db_env_txn_checkpoint $DB_ENV;
		3818
2322	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2323		3820
2324	# cancel all watchers	3821	warn "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2327	}
2328
2329	# cancel all extension coros
2330	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();
2332
2333	# unload all extensions
2334	for (@exts) {
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338
2339	# unload all modules loaded from $LIBDIR
2340	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342
2343	warn "removing <$k>";
2344	delete $INC{$k};
2345
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {
2350	$cb->();
2351	}	3824	}
2352		3825
2353	Symbol::delete_package $k;	3826	warn "cancelling all extension coros";
		3827	$_->cancel for values %EXT_CORO;
		3828	%EXT_CORO = ();
		3829
		3830	warn "removing commands";
		3831	%COMMAND = ();
		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
		3839	warn "... unloading $pkg";
		3840
		3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
		3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2354	}	3850	}
2355		3851
2356	# sync database to disk	3852	warn "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3853	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
		3867	}
		3868
2360	# get rid of safe::, as good as possible	3869	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3872
2364	# remove register_script_function callbacks	3873	warn "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3876
2370	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3878	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2373		3880
2374	# reload cf.pm	3881	warn "unload completed, starting to reload now";
		3882
2375	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2376	require cf;	3884	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2378		3886
2379	# load config and database again	3887	warn "loading config and database again";
2380	cf::cfg_load;	3888	cf::reload_config;
2381	cf::db_load;
2382		3889
2383	# load extensions
2384	warn "load extensions";	3890	warn "loading extensions";
2385	cf::load_extensions;	3891	cf::load_extensions;
2386		3892
2387	# reattach attachments to objects	3893	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3894	warn "reattaching attachments to objects/players";
2389	_global_reattach;	3895	_global_reattach; # objects, sockets
		3896	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
		3898	warn "reattaching attachments to players";
		3899	reattach $_ for values %PLAYER;
		3900	}
		3901
		3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
		3904
		3905	warn "leaving sync_job";
		3906
		3907	1
		3908	} or do {
		3909	warn $@;
		3910	cf::cleanup "error while reloading, exiting.";
		3911	};
		3912
		3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
		3919	};
		3920
		3921	our $RELOAD_WATCHER; # used only during reload
		3922
		3923	sub reload_perl() {
		3924	# doing reload synchronously and two reloads happen back-to-back,
		3925	# coro crashes during coro_state_free->destroy here.
		3926
		3927	$RELOAD_WATCHER ||= cf::async {
		3928	Coro::AIO::aio_wait cache_extensions;
		3929
		3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3931	do_reload_perl;
		3932	undef $RELOAD_WATCHER;
		3933	};
2391	};	3934	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3935	}
2444
2445	register "<global>", __PACKAGE__;
2446		3936
2447	register_command "reload" => sub {	3937	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2449		3939
2450	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
		3944	reload_perl;
		3945	};
2454	}	3946	}
2455	};	3947	};
2456		3948
2457	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2458		3950
2459	$TICK_WATCHER = Event->timer (	3951	my $bug_warning = 0;
2460	reentrant => 0,	3952
2461	prio => 0,	3953	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3954	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3955
2464	cb => sub {	3956	sub wait_for_tick {
		3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3958
		3959	my $signal = new Coro::Signal;
		3960	push @WAIT_FOR_TICK, $signal;
		3961	$signal->wait;
		3962	}
		3963
		3964	sub wait_for_tick_begin {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK_BEGIN, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub tick {
		3973	if ($Coro::current != $Coro::main) {
		3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3975	unless ++$bug_warning > 10;
		3976	return;
		3977	}
		3978
2465	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		3980
2469	$WAIT_FOR_TICK->broadcast;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		3982
2472	# if we are delayed by four ticks or more, skip them all	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		3985	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	3986	$Coro::current->{desc} = "runtime saver";
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	3987	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	3989	};
2499	},	3990	}
2500	);	3991
		3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3993	$sig->send;
		3994	}
		3995	while (my $sig = shift @WAIT_FOR_TICK) {
		3996	$sig->send;
		3997	}
		3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
		4010
		4011	{
		4012	# configure BDB
		4013
		4014	BDB::min_parallel 16;
		4015	BDB::max_poll_reqs $TICK * 0.1;
		4016	$AnyEvent::BDB::WATCHER->priority (1);
		4017
		4018	unless ($DB_ENV) {
		4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4025
		4026	cf::sync_job {
		4027	eval {
		4028	BDB::db_env_open
		4029	$DB_ENV,
		4030	$BDBDIR,
		4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4033	0666;
		4034
		4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4036	};
		4037
		4038	cf::cleanup "db_env_open(db): $@" if $@;
		4039	};
		4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
		4051	}
		4052
		4053	{
		4054	# configure IO::AIO
		4055
		4056	IO::AIO::min_parallel 8;
		4057	IO::AIO::max_poll_time $TICK * 0.1;
		4058	undef $AnyEvent::AIO::WATCHER;
		4059	}
		4060
		4061	my $_log_backtrace;
		4062
		4063	sub _log_backtrace {
		4064	my ($msg, @addr) = @_;
		4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
		4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
		4100	}
		4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
2501		4106
2502	END { cf::emergency_save }	4107	END { cf::emergency_save }
2503		4108
2504	1	4109	1
2505		4110

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