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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 1.523 by root, Sat Apr 17 02:39:46 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		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	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		184
82	#############################################################################	185	#############################################################################
83		186
84	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
85		188
…		…
92	=item $cf::RUNTIME	195	=item $cf::RUNTIME
93		196
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	198	every server tick.
96		199
97	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		203
99	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
101		208
102	=item $cf::NOW	209	=item $cf::NOW
103		210
104	The time of the last (current) server tick.	211	The time of the last (current) server tick.
105		212
106	=item $cf::TICK	213	=item $cf::TICK
107		214
108	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
109		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
110	=item %cf::CFG	227	=item %cf::CFG
111		228
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	230	from wherever your confdir points to.
114		231
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		233
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	235	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
121		249
122	=back	250	=back
123		251
124	=cut	252	=cut
125		253
126	BEGIN {	254	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	255	my $msg = join "", @_;
129	utf8::encode $msg;
130		256
131	$msg .= "\n"	257	$msg .= "\n"
132	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
133		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
134	LOG llevError, $msg;	262	LOG llevError, $msg;
135	};	263	};
136	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
137		278
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		286
145	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	288	# within the Safe compartment.
147	for my $pkg (qw(	289	for my $pkg (qw(
148	cf::global cf::attachable	290	cf::global cf::attachable
149	cf::object cf::object::player	291	cf::object cf::object::player
150	cf::client cf::player	292	cf::client cf::player
151	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
152	cf::map cf::party cf::region	295	cf::party cf::region
153	)) {	296	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	298	}
157		299
158	$Event::DIED = sub {	300	$EV::DIED = sub {
159	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
160	};	302	};
161		303
162	my %ext_pkg;	304	#############################################################################
163	my @exts;
164	my @hook;
165		305
166	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
167		307
168	=over 4	308	=over 4
169		309
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	329	$d
190	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
191	}	331	}
192		332
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
196		334
197	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
198		336
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
207		338
208	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
209		340
210	=cut	341	=cut
211		342
212	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
214	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
215	}	360	}
216		361
217	=item cf::lock_wait $string	362	=item cf::lock_wait $string
218		363
219	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
220		365
221	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
222		367
223	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
226	returned.	371	returned.
227		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
228	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
230		378
231	=cut	379	=item $locked = cf::lock_active $string
232		380
233	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
234		386
235	sub lock_wait($) {	387	sub lock_wait($) {
236	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	389	}
244		390
245	sub lock_acquire($) {	391	sub lock_acquire($) {
246	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
247		394
248	# wait, to be sure we are not locked	395	sub lock_active($) {
249	lock_wait $key;	396	$LOCKS->count ($_[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	}	397	}
258		398
259	sub freeze_mainloop {	399	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
261		401
262	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	403	}
264	$guard	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
		469	}
		470	};
		471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
265	}	485	}
266		486
267	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
268		488
269	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		494
275	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
276		496
277	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
278		498
279	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
282		503
283	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
286	fast or be very important.	507	fast or be very important.
…		…
289		510
290	sub sync_job(&) {	511	sub sync_job(&) {
291	my ($job) = @_;	512	my ($job) = @_;
292		513
293	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
294	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
296		519
297	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	521
299	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
300		523
301	my $busy = 1;	524	my $busy = 1;
302	my @res;	525	my @res;
303		526
304	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	529	@res = eval { $job->() };
306	warn $@ if $@;	530	warn $@ if $@;
307	undef $busy;	531	undef $busy;
308	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
309		533
310	while ($busy) {	534	while ($busy) {
311	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
312	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
313		545
314	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
315	} else {	547	} else {
316	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
317		549
…		…
319	}	551	}
320	}	552	}
321		553
322	=item $coro = cf::async_ext { BLOCK }	554	=item $coro = cf::async_ext { BLOCK }
323		555
324	Like async, but this coro is automcatially being canceled when the	556	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	557	extension calling this is being unloaded.
326		558
327	=cut	559	=cut
328		560
329	sub async_ext(&) {	561	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
338		570
339	$coro	571	$coro
340	}	572	}
341		573
342	sub write_runtime {	574	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		575
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
346	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
347		580
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		582
352	aio_fsync $fh	583	sub fork_call(&@) {
353	and return;	584	my ($cb, @args) = @_;
354		585
355	close $fh	586	# we seemingly have to make a local copy of the whole thing,
356	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
357		589
358	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
359	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
360		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
361	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	772	}
363		773
364	=back	774	=back
365		775
366	=cut	776	=cut
367		777
368	#############################################################################	778	#############################################################################
369		779
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	780	=head2 ATTACHABLE OBJECTS
493		781
494	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
497		785
498	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	788	Deliantra).
501		789
502	=over 4	790	=over 4
503		791
504	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
505		793
…		…
549	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
550		838
551	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
553		841
554	Some classes such as crossfire maps and objects can specify attachments	842	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.	843	that are attached at load/instantiate time, thus the need for a name.
556		844
557	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
558		846
559	=over 4	847	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	908	our @CB_MAP = ();
621		909
622	my %attachment;	910	my %attachment;
623		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
624	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
626		920
627	use sort 'stable';	921	use sort 'stable';
628		922
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
663		957
664	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		962
669	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	964	my $pkg = shift @arg;
671		965
672	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
702	}	996	}
703		997
704	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
705	} else {	999	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	1001	}
708		1002
709	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
710	}	1004	}
711		1005
…		…
713	if (ref $_[0]) {	1007	if (ref $_[0]) {
714	_object_attach @_;	1008	_object_attach @_;
715	} else {	1009	} else {
716	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
717	}	1011	}
		1012	_recalc_want;
718	};	1013	};
719		1014
720	# all those should be optimised	1015	# all those should be optimised
721	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1021	reattach ($obj);
727	} else {	1022	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
729	}	1024	}
		1025	_recalc_want;
730	};	1026	};
731		1027
732	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
734		1030
…		…
749	";	1045	";
750	die if $@;	1046	die if $@;
751	}	1047	}
752		1048
753	our $override;	1049	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1051
756	sub override {	1052	sub override {
757	$override = 1;	1053	$override = 1;
758	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
759	}	1055	}
760		1056
761	sub do_invoke {	1057	sub do_invoke {
762	my $event = shift;	1058	my $event = shift;
763	my $callbacks = shift;	1059	my $callbacks = shift;
764		1060
765	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
766		1062
767	local $override;	1063	local $override;
768		1064
769	for (@$callbacks) {	1065	for (@$callbacks) {
770	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
779	}	1075	}
780		1076
781	0	1077	0
782	}	1078	}
783		1079
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1081
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1083
788	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
789		1085
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1089
794	=back	1090	=back
795		1091
796	=cut	1092	=cut
797		1093
798	#############################################################################	1094	#############################################################################
799	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
800		1138
801	sub reattach {	1139	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1145
805	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
806		1147
807	@$registry = ();	1148	@$registry = ();
808		1149
…		…
823	cf::attachable->attach (	1164	cf::attachable->attach (
824	prio => -1000000,	1165	prio => -1000000,
825	on_instantiate => sub {	1166	on_instantiate => sub {
826	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
827		1168
828	$data = from_json $data;	1169	$data = decode_json $data;
829		1170
830	for (@$data) {	1171	for (@$data) {
831	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
832		1173
833	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1190	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
851		1192
852	sync_job {	1193	sync_job {
853	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
856		1198
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
860	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
861	close $fh;	1206	aio_close $fh;
862		1207
863	if (@$objs) {	1208	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
868	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
869	close $fh;	1217	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
871	}	1219	}
872	} else {	1220	} else {
873	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
874	}	1222	}
875		1223
876	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1228	} else {
878	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
879	}	1230	}
880	} else {	1231	} else {
881	aio_unlink $filename;	1232	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
883	}	1234	}
884	}	1235	};
885	}	1236	}
886		1237
887	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
889		1240
…		…
901	or return;	1252	or return;
902		1253
903	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
905	or return;	1256	or return;
		1257
906	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
907	}	1260	}
908		1261
		1262	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
911	return ($data, $av);	1266	($data, $av)
912	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
913		1274
914	#############################################################################	1275	#############################################################################
915	# command handling &c	1276	# command handling &c
916		1277
917	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1292	}
932		1293
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1295
935	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
936		1301
937	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
938	called.	1303	called.
939		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
940	=cut	1316	=cut
941		1317
942	sub register_extcmd {	1318	sub register_extcmd {
943	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
944		1320
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1321	$EXTCMD{$name} = $cb;
949	}	1322	}
		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
950		1331
951	cf::player->attach (	1332	cf::player->attach (
952	on_command => sub {	1333	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
954		1335
955	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
956	or return;	1337	or return;
957		1338
…		…
962	cf::override;	1343	cf::override;
963	},	1344	},
964	on_extcmd => sub {	1345	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
966		1347
967	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1349
969	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
975	} else {	1365	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1367	}
978		1368
979	cf::override;	1369	cf::override;
980	},	1370	},
981	);	1371	);
982		1372
983	sub register {	1373	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1374	sub cache_extensions {
990	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
991		1376
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1379	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	}	1380	}
1042	}	1381	};
1043		1382
1044	# remove extcmds	1383	$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	}	1384	}
1058		1385
1059	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1060	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1391	next unless -r $path;
1062	eval {	1392
1063	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
1064	1	1456	}
1065	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
1066	}	1467	};
1067	}	1468	}
1068		1469
1069	#############################################################################	1470	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1471
1072	*cf::mapsupport::on_clean = sub {	1472	=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		1473
1085	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1086		1475
1087	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1088		1477
1089	=cut	1478	=cut
1090		1479
1091	package cf::player;	1480	package cf::player;
1092		1481
…		…
1094		1483
1095	=head3 cf::player	1484	=head3 cf::player
1096		1485
1097	=over 4	1486	=over 4
1098		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
1099	=item cf::player::find $login	1502	=item cf::player::find $login
1100		1503
1101	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1102		1505
1103	=cut	1506	=cut
1104		1507
1105	sub playerdir($) {	1508	sub playerdir($) {
1106	cf::localdir	1509	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1511	}
1112		1512
1113	sub path($) {	1513	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1515
1116	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
1117	}	1517	}
1118		1518
1119	sub find_active($) {	1519	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
1124		1524
1125	sub exists($) {	1525	sub exists($) {
1126	my ($login) = @_;	1526	my ($login) = @_;
1127		1527
1128	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
1130	}	1530	}
1131		1531
1132	sub find($) {	1532	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1534	my $login = $_[0];
1135		1535
1136	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
1137		1537
1138	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1142	}	1555	}
1143	}	1556	}
1144	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1145		1571
1146	sub save($) {	1572	sub save($) {
1147	my ($pl) = @_;	1573	my ($pl) = @_;
1148		1574
1149	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1155		1581
1156	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1158		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1159	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1160	Coro::cede;	1591	cf::cede_to_tick;
1161	}	1592	}
1162		1593
1163	sub new($) {	1594	sub new($) {
1164	my ($login) = @_;	1595	my ($login) = @_;
1165		1596
…		…
1171	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1172		1603
1173	$self	1604	$self
1174	}	1605	}
1175		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1176	=item $pl->quit_character	1617	=item $pl->quit_character
1177		1618
1178	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1180		1621
1181	=cut	1622	=cut
1182		1623
1183	sub quit_character {	1624	sub quit_character {
1184	my ($pl) = @_;	1625	my ($pl) = @_;
1185		1626
		1627	my $name = $pl->ob->name;
		1628
1186	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1631
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1193		1638
1194	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1199	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
1200	}	1665	}
1201		1666
1202	=item cf::player::list_logins	1667	=item cf::player::list_logins
1203		1668
1204	Returns am arrayref of all valid playernames in the system, can take a	1669	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1670	while and may block, so not sync_job-capable, ever.
1206		1671
1207	=cut	1672	=cut
1208		1673
1209	sub list_logins {	1674	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1675	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1676	or return [];
1212		1677
1213	my @logins;	1678	my @logins;
1214		1679
1215	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1219		1690
1220	utf8::decode $login;	1691	utf8::decode $login;
1221	push @logins, $login;	1692	push @logins, $login;
1222	}	1693	}
1223		1694
1224	\@logins	1695	\@logins
1225	}	1696	}
1226		1697
1227	=item $player->maps	1698	=item $player->maps
1228		1699
		1700	=item cf::player::maps $login
		1701
1229	Returns an arrayref of cf::path's of all maps that are private for this	1702	Returns an arrayref of map paths that are private for this
1230	player. May block.	1703	player. May block.
1231		1704
1232	=cut	1705	=cut
1233		1706
1234	sub maps($) {	1707	sub maps($) {
1235	my ($pl) = @_;	1708	my ($pl) = @_;
		1709
		1710	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1711
1237	my $files = aio_readdir playerdir $pl	1712	my $files = aio_readdir playerdir $pl
1238	or return;	1713	or return;
1239		1714
1240	my @paths;	1715	my @paths;
1241		1716
1242	for (@$files) {	1717	for (@$files) {
1243	utf8::decode $_;	1718	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1719	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1720	next unless /^$PATH_SEP/o;
1246		1721
1247	s/$PATH_SEP/\//g;	1722	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1723	}
1250		1724
1251	\@paths	1725	\@paths
1252	}	1726	}
1253		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1255		1733
1256	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1257		1735
1258	=cut	1736	=cut
1259		1737
1260	sub ext_reply($$$%) {	1738	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1262		1740
1263	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1742	}
1267		1743
1268	package cf;	1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
		1757
		1758	=over 4
		1759
		1760	=cut
		1761
		1762	package cf::region;
		1763
		1764	=item cf::region::find_by_path $path
		1765
		1766	Tries to decuce the likely region for a map knowing only its path.
		1767
		1768	=cut
		1769
		1770	sub find_by_path($) {
		1771	my ($path) = @_;
		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
		1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
		1785	}
1269		1786
1270	=back	1787	=back
1271
1272		1788
1273	=head3 cf::map	1789	=head3 cf::map
1274		1790
1275	=over 4	1791	=over 4
1276		1792
…		…
1279	package cf::map;	1795	package cf::map;
1280		1796
1281	use Fcntl;	1797	use Fcntl;
1282	use Coro::AIO;	1798	use Coro::AIO;
1283		1799
		1800	use overload
		1801	'""' => \&as_string,
		1802	fallback => 1;
		1803
1284	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1286		1806
1287	sub generate_random_map {	1807	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1811
1290	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1813	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1821	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1822	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1823	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1824	(cf::region::find $rmp->{region}), $rmp->{custom}
		1825	)
1304	}	1826	}
1305		1827
1306	# and all this just because we cannot iterate over	1828	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1829
1311	$_->change_map_light ($change)	1830	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1831	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1832	default).
1314		1833
1315	sub try_load_header($) {	1834	=cut
		1835
		1836	sub register {
		1837	my (undef, $regex, $prio) = @_;
		1838	my $pkg = caller;
		1839
		1840	no strict;
		1841	push @{"$pkg\::ISA"}, __PACKAGE__;
		1842
		1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1844	}
		1845
		1846	# also paths starting with '/'
		1847	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1848
		1849	sub thawer_merge {
		1850	my ($self, $merge) = @_;
		1851
		1852	# we have to keep some variables in memory intact
		1853	local $self->{path};
		1854	local $self->{load_path};
		1855
		1856	$self->SUPER::thawer_merge ($merge);
		1857	}
		1858
		1859	sub normalise {
1316	my ($path) = @_;	1860	my ($path, $base) = @_;
		1861
		1862	$path = "$path"; # make sure its a string
		1863
		1864	$path =~ s/\.map$//;
		1865
		1866	# map plan:
		1867	#
		1868	# /! non-realised random map exit (special hack!)
		1869	# {... are special paths that are not being touched
		1870	# ?xxx/... are special absolute paths
		1871	# ?random/... random maps
		1872	# /... normal maps
		1873	# ~user/... per-player map of a specific user
		1874
		1875	$path =~ s/$PATH_SEP/\//go;
		1876
		1877	# treat it as relative path if it starts with
		1878	# something that looks reasonable
		1879	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1880	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1881
		1882	$base =~ s{[^/]+/?$}{};
		1883	$path = "$base/$path";
		1884	}
		1885
		1886	for ($path) {
		1887	redo if s{//}{/};
		1888	redo if s{/\.?/}{/};
		1889	redo if s{/[^/]+/\.\./}{/};
		1890	}
		1891
		1892	$path
		1893	}
		1894
		1895	sub new_from_path {
		1896	my (undef, $path, $base) = @_;
		1897
		1898	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1899
		1900	$path = normalise $path, $base;
		1901
		1902	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1903	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1904	my $self = bless cf::map::new, $pkg;
		1905	$self->{path} = $path; $self->path ($path);
		1906	$self->init; # pass $1 etc.
		1907	return $self;
		1908	}
		1909	}
		1910
		1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1912	()
		1913	}
		1914
		1915	sub init {
		1916	my ($self) = @_;
		1917
		1918	$self
		1919	}
		1920
		1921	sub as_string {
		1922	my ($self) = @_;
		1923
		1924	"$self->{path}"
		1925	}
		1926
		1927	# the displayed name, this is a one way mapping
		1928	sub visible_name {
		1929	&as_string
		1930	}
		1931
		1932	# the original (read-only) location
		1933	sub load_path {
		1934	my ($self) = @_;
		1935
		1936	"$MAPDIR/$self->{path}.map"
		1937	}
		1938
		1939	# the temporary/swap location
		1940	sub save_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$TMPDIR/$path.map"
		1945	}
		1946
		1947	# the unique path, undef == no special unique path
		1948	sub uniq_path {
		1949	my ($self) = @_;
		1950
		1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1952	"$UNIQUEDIR/$path"
		1953	}
		1954
		1955	sub decay_objects {
		1956	my ($self) = @_;
		1957
		1958	return if $self->{deny_reset};
		1959
		1960	$self->do_decay_objects;
		1961	}
		1962
		1963	sub unlink_save {
		1964	my ($self) = @_;
		1965
		1966	utf8::encode (my $save = $self->save_path);
		1967	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1968	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1969	}
		1970
		1971	sub load_header_from($) {
		1972	my ($self, $path) = @_;
1317		1973
1318	utf8::encode $path;	1974	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1320	or return;	1976	or return;
1321		1977
1322	my $map = cf::map::new	1978	$self->_load_header ($f)
1323	or return;	1979	or return;
1324		1980
1325	# for better error messages only, will be overwritten	1981	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1982	$f->resolve_delayed_derefs;
1327		1983
1328	$map->load_header ($path)	1984	$self->{load_path} = $path;
		1985
		1986	1
		1987	}
		1988
		1989	sub load_header_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->load_header_from ($self->load_path)
		1993	}
		1994
		1995	sub load_header_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->load_header_from ($self->save_path)
		1999	}
		2000
		2001	sub prepare_temp {
		2002	my ($self) = @_;
		2003
		2004	$self->last_access ((delete $self->{last_access})
		2005	|| $cf::RUNTIME); #d#
		2006	# safety
		2007	$self->{instantiate_time} = $cf::RUNTIME
		2008	if $self->{instantiate_time} > $cf::RUNTIME;
		2009	}
		2010
		2011	sub prepare_orig {
		2012	my ($self) = @_;
		2013
		2014	$self->{load_original} = 1;
		2015	$self->{instantiate_time} = $cf::RUNTIME;
		2016	$self->last_access ($cf::RUNTIME);
		2017	$self->instantiate;
		2018	}
		2019
		2020	sub load_header {
		2021	my ($self) = @_;
		2022
		2023	if ($self->load_header_temp) {
		2024	$self->prepare_temp;
		2025	} else {
		2026	$self->load_header_orig
1329	or return;	2027	or return;
		2028	$self->prepare_orig;
		2029	}
1330		2030
1331	$map->{load_path} = $path;	2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
1332		2033
1333	$map	2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
		2037	1
1334	}	2038	}
1335		2039
1336	sub find;	2040	sub find;
1337	sub find {	2041	sub find {
1338	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1339		2043
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2045
1345	cf::lock_wait "map_find:$key";	2046	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";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2048
1350	# do it the slow way	2049	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2050	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;	2051	or return;
1369		2052
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;	2053	$map->{last_save} = $cf::RUNTIME;
1382		2054
1383	Coro::cede;	2055	$map->load_header
		2056	or return;
1384		2057
1385	if ($map->should_reset) {	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2059	# doing this can freeze the server in a sync job, obviously
		2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1386	$map->reset;	2063	$map->reset;
1387	undef $guard;
1388	$map = find $path	2064	return find $path;
1389	or return;
1390	}	2065	}
1391		2066
1392	$cf::MAP{$key} = $map	2067	$cf::MAP{$path} = $map
1393	}	2068	}
1394	}	2069	}
		2070
		2071	sub pre_load { }
		2072	#sub post_load { } # XS
1395		2073
1396	sub load {	2074	sub load {
1397	my ($self) = @_;	2075	my ($self) = @_;
1398		2076
		2077	local $self->{deny_reset} = 1; # loading can take a long time
		2078
1399	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2082	my $guard = cf::lock_acquire "map_data:$path";
1401		2083
		2084	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2086
1404	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1405		2088
1406	$self->alloc;	2089	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2090
		2091	$self->pre_load;
		2092	cf::cede_to_tick;
		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1408	or return;	2097	or return;
1409		2098
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1411	if delete $self->{load_original};	2100	if delete $self->{load_original};
1412		2101
1413	if (my $uniq = $path->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2103	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2106	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1418	}	2110	}
1419	}	2111	}
1420		2112
1421	Coro::cede;	2113	$f->resolve_delayed_derefs;
1422		2114
		2115	cf::cede_to_tick;
1423	# now do the right thing for maps	2116	# now do the right thing for maps
1424	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1425
1426	if ($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)	2118	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2119	unless $self->difficulty;
		2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1436	$self->activate;	2127	$self->activate;
1437	}	2128	}
1438		2129
1439	Coro::cede;	2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
1440		2132
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
		2134	}
		2135
		2136	$self->post_load;
		2137	}
		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
		2142	sub customise_for {
		2143	my ($self, $ob) = @_;
		2144
		2145	return find "~" . $ob->name . "/" . $self->{path}
		2146	if $self->per_player;
		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
		2151	$self
1442	}	2152	}
1443		2153
1444	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2155	sub load_neighbours {
1446	my ($map) = @_;	2156	my ($map) = @_;
1447		2157
1448	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1449		2159
1450	for (0 .. 3) {	2160	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1452	or next;	2162	or next;
1453	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1454	or next;	2164	or next;
1455	$neigh->load;	2165	$neigh->load;
1456		2166
		2167	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2170	}
1460		2171
1461	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1463	or next;	2175	or next;
1464	$neigh->load;	2176	$neigh->load;
1465	}	2177	}
1466	}	2178	}
1467		2179
…		…
1472	}	2184	}
1473		2185
1474	sub do_load_sync {	2186	sub do_load_sync {
1475	my ($map) = @_;	2187	my ($map) = @_;
1476		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1477	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1478	}	2193	}
1479		2194
1480	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
		2196	our $MAP_PREFETCHER = undef;
		2197
		2198	sub find_async {
		2199	my ($path, $origin, $load) = @_;
		2200
		2201	$path = normalise $path, $origin && $origin->{path};
		2202
		2203	if (my $map = $cf::MAP{$path}) {
		2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2205	}
		2206
		2207	$MAP_PREFETCH{$path} |= $load;
		2208
1481	our $MAP_PREFETCHER = Coro::async {	2209	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2210	$Coro::current->{desc} = "map prefetcher";
		2211
1483	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2214	if (my $map = find $k) {
		2215	$map->load if $v;
		2216	}
		2217
1486	my $path = delete $MAP_PREFETCH{$key};	2218	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2219	}
1492	Coro::schedule;	2220	}
		2221	undef $MAP_PREFETCHER;
1493	}	2222	};
1494	};
1495
1496	sub find_async {
1497	my ($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;	2223	$MAP_PREFETCHER->prio (6);
1508		2224
1509	()	2225	()
		2226	}
		2227
		2228	# common code, used by both ->save and ->swapout
		2229	sub _save {
		2230	my ($self) = @_;
		2231
		2232	$self->{last_save} = $cf::RUNTIME;
		2233
		2234	return unless $self->dirty;
		2235
		2236	my $save = $self->save_path; utf8::encode $save;
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->{load_path} = $save;
		2240
		2241	return if $self->{deny_save};
		2242
		2243	local $self->{last_access} = $self->last_access;#d#
		2244
		2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
		2247	$_->contr->save for $self->players;
		2248	};
		2249
		2250	cf::get_slot 0.02;
		2251
		2252	if ($uniq) {
		2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2255	} else {
		2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2257	}
1510	}	2258	}
1511		2259
1512	sub save {	2260	sub save {
1513	my ($self) = @_;	2261	my ($self) = @_;
1514		2262
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2264
1517	$self->{last_save} = $cf::RUNTIME;	2265	$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	}	2266	}
1541		2267
1542	sub swap_out {	2268	sub swap_out {
1543	my ($self) = @_;	2269	my ($self) = @_;
1544		2270
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1550	return if $self->players;	2275	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1554	$self->clear;	2286	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2287	}
1557		2288
1558	sub reset_at {	2289	sub reset_at {
1559	my ($self) = @_;	2290	my ($self) = @_;
1560		2291
1561	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1564		2294
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2297
…		…
1572	my ($self) = @_;	2302	my ($self) = @_;
1573		2303
1574	$self->reset_at <= $cf::RUNTIME	2304	$self->reset_at <= $cf::RUNTIME
1575	}	2305	}
1576		2306
1577	sub unlink_save {
1578	my ($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	$self->save;
1596	}
1597
1598	sub reset {	2307	sub reset {
1599	my ($self) = @_;	2308	my ($self) = @_;
1600		2309
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2311
1603	return if $self->players;	2312	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2313
1606	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
		2315
		2316	$self->in_memory (cf::MAP_SWAPPED);
		2317
		2318	# need to save uniques path
		2319	unless ($self->{deny_save}) {
		2320	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2321
		2322	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2323	if $uniq;
		2324	}
1607		2325
1608	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1609		2327
		2328	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2329	$_->clear_links_to ($self) for values %cf::MAP;
		2330	$self->clear;
1611		2331
1612	$self->unlink_save;	2332	$self->unlink_save;
1613	$self->destroy;	2333	$self->destroy;
1614	}	2334	}
1615		2335
1616	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1617		2337
1618	sub nuke {	2338	sub nuke {
1619	my ($self) = @_;	2339	my ($self) = @_;
1620		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
		2344	delete $cf::MAP{$self->path};
		2345
		2346	$self->unlink_save;
		2347
		2348	bless $self, "cf::map";
		2349	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2353
		2354	$cf::MAP{$self->path} = $self;
		2355	}
		2356
1624	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1625	}	2358	}
1626		2359
1627	sub customise_for {	2360	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2361
1630	if ($map->per_player) {	2362	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
1632	}	2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
1633		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item cf::map::unique_maps
		2397
		2398	Returns an arrayref of paths of all shared maps that have
		2399	instantiated unique items. May block.
		2400
		2401	=cut
		2402
		2403	sub unique_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
		2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
		2412	]
		2413	}
		2414
		2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
1634	$map	2444	\@maps
1635	}	2445	}
1636
1637	package cf;
1638		2446
1639	=back	2447	=back
1640		2448
1641	=head3 cf::object	2449	=head3 cf::object
1642		2450
…		…
1646		2454
1647	=over 4	2455	=over 4
1648		2456
1649	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1650		2458
1651	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1652		2461
1653	=cut	2462	=cut
1654		2463
1655	sub inv_recursive_;	2464	sub inv_recursive_;
1656	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1659		2468
1660	sub inv_recursive {	2469	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1662	}	2471	}
1663		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1664	package cf;	2501	package cf;
1665		2502
1666	=back	2503	=back
1667		2504
1668	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1677		2514
1678	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1679		2530
1680	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2532	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1685		2536
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2538
1688	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1690	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1693	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1694	}	2564	}
1695		2565
1696	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1697		2567
1698	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1711		2581
1712	=item $player_object->enter_link	2582	=item $player_object->enter_link
1713		2583
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2585
1716	The player should be reaosnably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
		2590
		2591	Will never block.
1718		2592
1719	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1720		2594
1721	Moves the player out of the specila link map onto the given map. If the	2595	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2596	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2597	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2598	fails, to the emergency map position.
1725		2599
1726	Might block.	2600	Might block.
1727		2601
1728	=cut	2602	=cut
		2603
		2604	sub link_map {
		2605	unless ($LINK_MAP) {
		2606	$LINK_MAP = cf::map::find "{link}"
		2607	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2608	$LINK_MAP->load;
		2609	}
		2610
		2611	$LINK_MAP
		2612	}
1729		2613
1730	sub cf::object::player::enter_link {	2614	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2615	my ($self) = @_;
1732		2616
1733	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1734		2618
1735	return if $self->map == $LINK_MAP;	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2620
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1739		2623
1740	$self->enter_map ($LINK_MAP, 20, 20);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2625	}
1742		2626
1743	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1745		2631
1746	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1747		2633
1748	unless ($map) {	2634	unless ($map) {
1749	# restore original map position	2635	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1762		2648
1763	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1766		2652
1767	$map->load;	2653	$map->load;
1768	$map->load_diag;	2654	$map->load_neighbours;
1769		2655
1770	return unless $self->contr->active;	2656	return unless $self->contr->active;
		2657
		2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2659	$self->enter_map ($map, $x, $y);
		2660
		2661	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2662	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}	2663	}
1774		2664
1775	cf::player->attach (	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2666
1779	# abort map switching before logout	2667	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2668	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2670	the new (success) or old (failed) map position. In either case, $done will
1783	};	2671	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2672
1789	# try to abort aborted map switching on player login :)	2673	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2674	it needs a loaded map it has to call C<< ->load >>.
1791	if ($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		2675
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1810		2679
1811	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2682
1814	$path = new cf::path $path;	2683	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2685
1817	$self->enter_link;	2686	$self->enter_link;
1818		2687
1819	(async {	2688	(async {
1820	my $map = cf::map::find $path->as_string;	2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
		2710	my $map = eval {
		2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
1822		2715	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2716	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
1827		2719
		2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
		2726	}
		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1829	})->prio (1);	2734	})->prio (1);
1830	}	2735	}
1831		2736
1832	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1833		2738
…		…
1835		2740
1836	sub parse_random_map_params {	2741	sub parse_random_map_params {
1837	my ($spec) = @_;	2742	my ($spec) = @_;
1838		2743
1839	my $rmp = { # defaults	2744	my $rmp = { # defaults
1840	xsize => 10,	2745	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2746	ysize => (cf::rndm 15, 40),
		2747	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2748	#layout => string,
1842	};	2749	};
1843		2750
1844	for (split /\n/, $spec) {	2751	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2752	my ($k, $v) = split /\s+/, $_, 2;
1846		2753
…		…
1858	# that depends on the exit object	2765	# that depends on the exit object
1859		2766
1860	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
1861		2768
1862	if ($exit->map) {	2769	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2770	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
1867	}	2776	}
1868		2777
1869	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
1870		2779
1871	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
		2782	my $meta = "$RANDOMDIR/$md5.meta";
1873		2783
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
		2786	undef $fh;
		2787	aio_rename "$meta~", $meta;
1876		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
1879	}	2795	}
1880	}	2796	}
1881		2797
1882	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
1886		2802
1887	$self->enter_link;	2803	$self->enter_link;
1888		2804
1889	(async {	2805	(async {
1890	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
1891	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
1892	prepare_random_map $exit	2815	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2816	if $exit->slaying eq "/!";
		2817	}
1894		2818
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
1897		2822
		2823	$self->goto ($map, $x, $y);
		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
1898	1;	2829	1
1899	}) {	2830	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2833	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2835
1905	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2837	$self->leave_link;
1907	}	2838	}
1908	})->prio (1);	2839	})->prio (1);
…		…
1921		2852
1922	sub cf::client::send_drawinfo {	2853	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2854	my ($self, $text, $flags) = @_;
1924		2855
1925	utf8::encode $text;	2856	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2858	}
1928		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
		3047	=item $client->ext_msg ($type, @msg)
		3048
		3049	Sends an ext event to the client.
		3050
		3051	=cut
		3052
		3053	sub cf::client::ext_msg($$@) {
		3054	my ($self, $type, @msg) = @_;
		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
		3059	push @msg, msgtype => "event_$type";
		3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
		3080	}
1929		3081
1930	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
1931		3083
1932	Queues a query to the client, calling the given callback with	3084	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>,	3085	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>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3087
1936	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3089	become reliable at some point in the future.
1938		3090
1939	=cut	3091	=cut
1940		3092
1941	sub cf::client::query {	3093	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3102	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3104
1953	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
1955	}	3109	}
1956		3110
1957	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
1958	on_reply => sub {	3117	on_reply => sub {
1959	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
1960		3119
1961	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
1962	# get handled first	3121	# get handled first
1963	my $queue = delete $ns->{query_queue}	3122	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3123	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3124
1966	(shift @$queue)->[1]->($msg);	3125	(shift @$queue)->[1]->($msg);
		3126	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3127
1968	push @{ $ns->{query_queue} }, @$queue;	3128	push @{ $ns->{query_queue} }, @$queue;
1969		3129
1970	if (@{ $ns->{query_queue} } == @$queue) {	3130	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3131	if (@$queue) {
…		…
1973	} else {	3133	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3135	}
1976	}	3136	}
1977	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
1978	);	3164	);
1979		3165
1980	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
1981		3167
1982	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3184
1999	$coro	3185	$coro
2000	}	3186	}
2001		3187
2002	cf::client->attach (	3188	cf::client->attach (
2003	on_destroy => sub {	3189	on_client_destroy => sub {
2004	my ($ns) = @_;	3190	my ($ns) = @_;
2005		3191
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3193	},
2008	);	3194	);
…		…
2023	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2025		3211
2026	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2027		3213
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2029		3219
2030	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2031		3221
2032	=pod	3222	=pod
2033		3223
2034	The following fucntions and emthods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2035		3225
2036	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2037	cf::object::player player	3231	cf::object::player
2038	cf::player peaceful	3232	player
2039	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2040		3239
2041	=cut	3240	=cut
2042		3241
2043	for (	3242	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2048	) {	3249	) {
2049	no strict 'refs';	3250	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069		3270
2070	my $qcode = $code;	3271	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2073		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2074	local $_;	3278	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3279
2077	my $eval =	3280	my $eval =
2078	"do {\n"	3281	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3284	. $code
2082	. "\n}"	3285	. "\n}"
2083	;	3286	;
2084		3287
		3288	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2088		3297
2089	if ($@) {	3298	if ($@) {
2090	warn "$@";	3299	warn "$@";
2091	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2092	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2111	=cut	3320	=cut
2112		3321
2113	sub register_script_function {	3322	sub register_script_function {
2114	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2115		3324
2116	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2118	}	3327	}
2119		3328
2120	=back	3329	=back
2121		3330
2122	=cut	3331	=cut
2123		3332
2124	#############################################################################	3333	#############################################################################
		3334	# the server's init and main functions
2125		3335
2126	=head2 EXTENSION DATABASE SUPPORT	3336	sub load_facedata($) {
		3337	my ($path) = @_;
2127		3338
2128	Crossfire maintains a very simple database for extension use. It can	3339	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3340	# for this (global event?)
2130	excludes objects.	3341	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3342
2132	The parameter C<$family> should best start with the name of the extension	3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3344
2135	=over 4	3345	warn "loading facedata from $path\n";
2136		3346
2137	=item $hashref = cf::db_get $family	3347	my $facedata;
		3348	0 < aio_load $path, $facedata
		3349	or die "$path: $!";
2138		3350
2139	Return a hashref for use by the extension C<$family>, which can be	3351	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3352
2143	=item $value = cf::db_get $family => $key	3353	$facedata->{version} == 2
		3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3355
2145	Returns a single value from the database	3356	# patch in the exptable
2146		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3358	$facedata->{resource}{"res/exp_table"} = {
2148		3359	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3360	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3361	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	});	3362	};
		3363	cf::cede_to_tick;
2198		3364
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3365	{
		3366	my $faces = $facedata->{faceinfo};
2203		3367
2204	sub db_get($;$) {	3368	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3370
2210	sub db_put($$;$) {	3371	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3372	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3375
2219	cf::global->attach (	3376	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3377	}
2224	);
2225	}
2226		3378
2227	#############################################################################	3379	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3380	next unless $info->{smooth};
2229		3381
2230	sub cfg_load {	3382	my $idx = cf::face::find $face
		3383	or next;
		3384
		3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
		3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3388	} else {
		3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3390	}
		3391
		3392	cf::cede_to_tick;
		3393	}
		3394	}
		3395
		3396	{
		3397	my $anims = $facedata->{animinfo};
		3398
		3399	while (my ($anim, $info) = each %$anims) {
		3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3401	cf::cede_to_tick;
		3402	}
		3403
		3404	cf::anim::invalidate_all; # d'oh
		3405	}
		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
		3426	1
		3427	}
		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
		3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
		3472	load_resource_file "$MAPDIR/regions"
		3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
		3479	}
		3480
		3481	sub reload_facedata {
		3482	load_facedata "$DATADIR/facedata"
		3483	or die "unable to load facedata\n";
		3484	}
		3485
		3486	sub reload_archetypes {
		3487	load_resource_file "$DATADIR/archetypes"
		3488	or die "unable to load archetypes\n";
		3489	}
		3490
		3491	sub reload_treasures {
		3492	load_resource_file "$DATADIR/treasures"
		3493	or die "unable to load treasurelists\n";
		3494	}
		3495
		3496	sub reload_resources {
		3497	warn "reloading resource files...\n";
		3498
		3499	reload_facedata;
		3500	reload_archetypes;
		3501	reload_regions;
		3502	reload_treasures;
		3503
		3504	warn "finished reloading resource files\n";
		3505	}
		3506
		3507	sub reload_config {
		3508	warn "reloading config file...\n";
		3509
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3511	or return;
2233		3512
2234	local $/;	3513	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2236		3515
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2238		3517
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2245	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2246	};	3525	};
2247	warn $@ if $@;	3526	warn $@ if $@;
2248	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2249	}	3558	}
2250		3559
2251	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2252	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3573	(async {
		3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
		3576	})->prio (Coro::PRIO_MAX);
2256	};	3577	};
2257		3578
2258	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
		3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2260	load_extensions;	3602	load_extensions;
2261	Event::loop;	3603
		3604	utime time, time, $RUNTIMEFILE;
		3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2262	}	3617	}
2263		3618
2264	#############################################################################	3619	#############################################################################
2265	# initialisation and cleanup	3620	# initialisation and cleanup
2266		3621
2267	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2268	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2275	},
2276	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2277	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2278	}	3718	}
2279		3719
2280	sub emergency_save() {	3720	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2282		3722
2283	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2284		3724
2285	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2286	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3739	$pl->save;
2294	}	3740	}
2295	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2296		3742
2297	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3746	$map->valid or next;
2301	$map->save;	3747	$map->save;
2302	}	3748	}
2303	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
		3750
		3751	warn "emergency_perl_save: begin database checkpoint\n";
		3752	BDB::db_env_txn_checkpoint $DB_ENV;
		3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2304	};	3758	};
2305		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2306	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2307	}	3766	}
2308		3767
		3768	sub post_cleanup {
		3769	my ($make_core) = @_;
		3770
		3771	warn Carp::longmess "post_cleanup backtrace"
		3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
		3801	}
		3802
2309	sub reload() {	3803	sub do_reload_perl() {
2310	# can/must only be called in main	3804	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2312	warn "can only reload from main coroutine\n";	3806	warn "can only reload from main coroutine";
2313	return;	3807	return;
2314	}	3808	}
2315		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2316	warn "reloading...";	3815	warn "reloading...";
2317		3816
2318	my $guard = freeze_mainloop;	3817	warn "entering sync_job";
		3818
		3819	cf::sync_job {
		3820	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3821	cf::emergency_save;
		3822	cf::write_runtime_sync; # external watchdog should not bark
2320		3823
2321	eval {	3824	warn "syncing database to disk";
		3825	BDB::db_env_txn_checkpoint $DB_ENV;
		3826
2322	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2323		3828
2324	# cancel all watchers	3829	warn "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3831	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	}	3832	}
2352		3833
2353	Symbol::delete_package $k;	3834	warn "cancelling all extension coros";
		3835	$_->cancel for values %EXT_CORO;
		3836	%EXT_CORO = ();
		3837
		3838	warn "removing commands";
		3839	%COMMAND = ();
		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
		3847	warn "... unloading $pkg";
		3848
		3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
		3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2354	}	3858	}
2355		3859
2356	# sync database to disk	3860	warn "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3861	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
		3875	}
		3876
2360	# get rid of safe::, as good as possible	3877	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3880
2364	# remove register_script_function callbacks	3881	warn "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
		3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3884
2370	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3886	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2373		3888
2374	# reload cf.pm	3889	warn "unload completed, starting to reload now";
		3890
2375	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2376	require cf;	3892	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2378		3894
2379	# load config and database again	3895	warn "loading config and database again";
2380	cf::cfg_load;	3896	cf::reload_config;
2381	cf::db_load;
2382		3897
2383	# load extensions
2384	warn "load extensions";	3898	warn "loading extensions";
2385	cf::load_extensions;	3899	cf::load_extensions;
2386		3900
2387	# reattach attachments to objects	3901	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3902	warn "reattaching attachments to objects/players";
2389	_global_reattach;	3903	_global_reattach; # objects, sockets
		3904	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
		3906	warn "reattaching attachments to players";
		3907	reattach $_ for values %PLAYER;
		3908	}
		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
		3913	warn "leaving sync_job";
		3914
		3915	1
		3916	} or do {
		3917	warn $@;
		3918	cf::cleanup "error while reloading, exiting.";
		3919	};
		3920
		3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
		3927	};
		3928
		3929	our $RELOAD_WATCHER; # used only during reload
		3930
		3931	sub reload_perl() {
		3932	# doing reload synchronously and two reloads happen back-to-back,
		3933	# coro crashes during coro_state_free->destroy here.
		3934
		3935	$RELOAD_WATCHER ||= cf::async {
		3936	Coro::AIO::aio_wait cache_extensions;
		3937
		3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3939	do_reload_perl;
		3940	undef $RELOAD_WATCHER;
		3941	};
2391	};	3942	};
2392
2393	if ($@) {
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} = $LINK_MAP;
2443	}	3943	}
2444
2445	register "<global>", __PACKAGE__;
2446		3944
2447	register_command "reload" => sub {	3945	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2449		3947
2450	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
		3952	reload_perl;
		3953	};
2454	}	3954	}
2455	};	3955	};
2456		3956
2457	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2458		3958
2459	$TICK_WATCHER = Event->timer (	3959	my $bug_warning = 0;
2460	reentrant => 0,	3960
2461	prio => 0,	3961	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3962	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3963
2464	cb => sub {	3964	sub wait_for_tick {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub wait_for_tick_begin {
		3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3974
		3975	my $signal = new Coro::Signal;
		3976	push @WAIT_FOR_TICK_BEGIN, $signal;
		3977	$signal->wait;
		3978	}
		3979
		3980	sub tick {
		3981	if ($Coro::current != $Coro::main) {
		3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3983	unless ++$bug_warning > 10;
		3984	return;
		3985	}
		3986
2465	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		3988
2469	$WAIT_FOR_TICK->broadcast;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		3990
2472	# if we are delayed by four ticks or more, skip them all	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		3993	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	3994	$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	3995	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	3997	};
2499	},	3998	}
2500	);	3999
		4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4001	$sig->send;
		4002	}
		4003	while (my $sig = shift @WAIT_FOR_TICK) {
		4004	$sig->send;
		4005	}
		4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
		4018
		4019	{
		4020	# configure BDB
		4021
		4022	BDB::min_parallel 16;
		4023	BDB::max_poll_reqs $TICK * 0.1;
		4024	$AnyEvent::BDB::WATCHER->priority (1);
		4025
		4026	unless ($DB_ENV) {
		4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4033
		4034	cf::sync_job {
		4035	eval {
		4036	BDB::db_env_open
		4037	$DB_ENV,
		4038	$BDBDIR,
		4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4041	0666;
		4042
		4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4044	};
		4045
		4046	cf::cleanup "db_env_open(db): $@" if $@;
		4047	};
		4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
		4059	}
		4060
		4061	{
		4062	# configure IO::AIO
		4063
		4064	IO::AIO::min_parallel 8;
		4065	IO::AIO::max_poll_time $TICK * 0.1;
		4066	undef $AnyEvent::AIO::WATCHER;
		4067	}
		4068
		4069	my $_log_backtrace;
		4070
		4071	sub _log_backtrace {
		4072	my ($msg, @addr) = @_;
		4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
		4109	}
		4110
		4111	# load additional modules
		4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2501		4114
2502	END { cf::emergency_save }	4115	END { cf::emergency_save }
2503		4116
2504	1	4117	1
2505		4118

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