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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 1.527 by root, Fri Apr 23 04:32:47 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 = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 0;#d#
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	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		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# 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;	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	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		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	201	every server tick.
96		202
97	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	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	238	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	239	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.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
121		252
122	=back	253	=back
123		254
124	=cut	255	=cut
125		256
126	BEGIN {	257	$Coro::State::WARNHOOK = sub {
127	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	258	my $msg = join "", @_;
129	utf8::encode $msg;
130		259
131	$msg .= "\n"	260	$msg .= "\n"
132	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
133		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
134	LOG llevError, $msg;	265	LOG llevError, $msg;
135	};	266	};
136	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
137		281
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		289
145	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	291	# within the Safe compartment.
147	for my $pkg (qw(	292	for my $pkg (qw(
148	cf::global cf::attachable	293	cf::global cf::attachable
149	cf::object cf::object::player	294	cf::object cf::object::player
150	cf::client cf::player	295	cf::client cf::player
151	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
152	cf::map cf::party cf::region	298	cf::party cf::region
153	)) {	299	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	301	}
157		302
158	$Event::DIED = sub {	303	$EV::DIED = sub {
159	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
160	};	305	};
161		306
162	my %ext_pkg;	307	#############################################################################
163	my @exts;
164	my @hook;
165		308
166	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
167		310
168	=over 4	311	=over 4
169		312
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	332	$d
190	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
191	}	334	}
192		335
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
196		337
197	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
198		339
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
207		341
208	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
209		343
210	=cut	344	=cut
211		345
212	sub to_json($) {	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	347
214	JSON::Syck::Dump $_[0]	348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
215	}	363	}
216		364
217	=item cf::lock_wait $string	365	=item cf::lock_wait $string
218		366
219	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
220		368
221	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
222		370
223	Wait until the given lock is available and then acquires it and returns	371	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,	372	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	373	for example when the coroutine gets canceled), the lock is automatically
226	returned.	374	returned.
227		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
228	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
230		381
231	=cut	382	=item $locked = cf::lock_active $string
232		383
233	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
234		389
235	sub lock_wait($) {	390	sub lock_wait($) {
236	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	392	}
244		393
245	sub lock_acquire($) {	394	sub lock_acquire($) {
246	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
247		397
248	# wait, to be sure we are not locked	398	sub lock_active($) {
249	lock_wait $key;	399	$LOCKS->count ($_[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	}	400	}
258		401
259	sub freeze_mainloop {	402	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
261		404
262	my $guard = Coro::guard { $TICK_WATCHER->start };	405	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	406	}
264	$guard	407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
		472	}
		473	};
		474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
265	}	488	}
266		489
267	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
268		491
269	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		497
275	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
276		499
277	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
278		501
279	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
282		506
283	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
286	fast or be very important.	510	fast or be very important.
…		…
289		513
290	sub sync_job(&) {	514	sub sync_job(&) {
291	my ($job) = @_;	515	my ($job) = @_;
292		516
293	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
294	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
296		522
297	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	524
299	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
300		526
301	my $busy = 1;	527	my $busy = 1;
302	my @res;	528	my @res;
303		529
304	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	532	@res = eval { $job->() };
306	warn $@ if $@;	533	warn $@ if $@;
307	undef $busy;	534	undef $busy;
308	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
309		536
310	while ($busy) {	537	while ($busy) {
311	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
312	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
313		548
314	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
315	} else {	550	} else {
316	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
317		552
…		…
319	}	554	}
320	}	555	}
321		556
322	=item $coro = cf::async_ext { BLOCK }	557	=item $coro = cf::async_ext { BLOCK }
323		558
324	Like async, but this coro is automcatially being canceled when the	559	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	560	extension calling this is being unloaded.
326		561
327	=cut	562	=cut
328		563
329	sub async_ext(&) {	564	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
338		573
339	$coro	574	$coro
340	}	575	}
341		576
342	sub write_runtime {	577	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		578
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	Executes the given code block with the given arguments in a seperate
346	or return;	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
347		583
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	584	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		585
352	aio_fsync $fh	586	sub fork_call(&@) {
353	and return;	587	my ($cb, @args) = @_;
354		588
355	close $fh	589	# we seemingly have to make a local copy of the whole thing,
356	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
357		592
358	aio_rename "$runtime~", $runtime	593	my @res = Coro::Util::fork_eval {
359	and return;	594	reset_signals;
		595	&$cb
		596	}, @args;
360		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
361	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
		764	}
		765
		766	=item cf::datalog type => key => value, ...
		767
		768	Log a datalog packet of the given type with the given key-value pairs.
		769
		770	=cut
		771
		772	sub datalog($@) {
		773	my ($type, %kv) = @_;
		774	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	775	}
363		776
364	=back	777	=back
365		778
366	=cut	779	=cut
367		780
368	#############################################################################	781	#############################################################################
369		782
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	783	=head2 ATTACHABLE OBJECTS
493		784
494	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
497		788
498	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	791	Deliantra).
501		792
502	=over 4	793	=over 4
503		794
504	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
505		796
…		…
549	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
550		841
551	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
553		844
554	Some classes such as crossfire maps and objects can specify attachments	845	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.	846	that are attached at load/instantiate time, thus the need for a name.
556		847
557	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
558		849
559	=over 4	850	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	910	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	911	our @CB_MAP = ();
621		912
622	my %attachment;	913	my %attachment;
623		914
		915	sub cf::attachable::thawer_merge {
		916	# simply override everything except _meta
		917	local $_[0]{_meta};
		918	%{$_[0]} = %{$_[1]};
		919	}
		920
624	sub _attach_cb($$$$) {	921	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	922	my ($registry, $event, $prio, $cb) = @_;
626		923
627	use sort 'stable';	924	use sort 'stable';
628		925
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
663		960
664	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		965
669	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	967	my $pkg = shift @arg;
671		968
672	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
702	}	999	}
703		1000
704	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
705	} else {	1002	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	1004	}
708		1005
709	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
710	}	1007	}
711		1008
…		…
713	if (ref $_[0]) {	1010	if (ref $_[0]) {
714	_object_attach @_;	1011	_object_attach @_;
715	} else {	1012	} else {
716	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
717	}	1014	}
		1015	_recalc_want;
718	};	1016	};
719		1017
720	# all those should be optimised	1018	# all those should be optimised
721	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1024	reattach ($obj);
727	} else {	1025	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
729	}	1027	}
		1028	_recalc_want;
730	};	1029	};
731		1030
732	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
734		1033
…		…
749	";	1048	";
750	die if $@;	1049	die if $@;
751	}	1050	}
752		1051
753	our $override;	1052	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1054
756	sub override {	1055	sub override {
757	$override = 1;	1056	$override = 1;
758	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
759	}	1058	}
760		1059
761	sub do_invoke {	1060	sub do_invoke {
762	my $event = shift;	1061	my $event = shift;
763	my $callbacks = shift;	1062	my $callbacks = shift;
764		1063
765	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
766		1065
767	local $override;	1066	local $override;
768		1067
769	for (@$callbacks) {	1068	for (@$callbacks) {
770	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
779	}	1078	}
780		1079
781	0	1080	0
782	}	1081	}
783		1082
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1084
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1086
788	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
789		1088
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1092
794	=back	1093	=back
795		1094
796	=cut	1095	=cut
797		1096
798	#############################################################################	1097	#############################################################################
799	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
800		1141
801	sub reattach {	1142	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1144	my ($obj) = @_;
		1145
		1146	# no longer needed after getting rid of delete_package?
		1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1148
805	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
806		1150
807	@$registry = ();	1151	@$registry = ();
808		1152
…		…
823	cf::attachable->attach (	1167	cf::attachable->attach (
824	prio => -1000000,	1168	prio => -1000000,
825	on_instantiate => sub {	1169	on_instantiate => sub {
826	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
827		1171
828	$data = from_json $data;	1172	$data = decode_json $data;
829		1173
830	for (@$data) {	1174	for (@$data) {
831	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
832		1176
833	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1193	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
851		1195
852	sync_job {	1196	sync_job {
853	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
856		1202
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1206	if ($cf::USE_FSYNC) {
		1207	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
860	aio_fsync $fh;	1208	aio_fsync $fh;
		1209	}
861	close $fh;	1210	aio_close $fh;
862		1211
863	if (@$objs) {	1212	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
		1217	if ($cf::USE_FSYNC) {
		1218	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
868	aio_fsync $fh;	1219	aio_fsync $fh;
		1220	}
869	close $fh;	1221	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
871	}	1223	}
872	} else {	1224	} else {
873	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
874	}	1226	}
875		1227
876	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1232	} else {
878	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
879	}	1234	}
880	} else {	1235	} else {
881	aio_unlink $filename;	1236	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
883	}	1238	}
884	}	1239	};
885	}	1240	}
886		1241
887	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
889		1244
…		…
901	or return;	1256	or return;
902		1257
903	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
905	or return;	1260	or return;
		1261
906	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
907	}	1264	}
908		1265
		1266	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
911	return ($data, $av);	1271	($data, $av)
912	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
913		1279
914	#############################################################################	1280	#############################################################################
915	# command handling &c	1281	# command handling &c
916		1282
917	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1297	}
932		1298
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1300
935	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
936		1306
937	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
938	called.	1308	called.
939		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
940	=cut	1321	=cut
941		1322
942	sub register_extcmd {	1323	sub register_extcmd {
943	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
944		1325
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1326	$EXTCMD{$name} = $cb;
949	}	1327	}
		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
950		1336
951	cf::player->attach (	1337	cf::player->attach (
952	on_command => sub {	1338	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
954		1340
955	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
956	or return;	1342	or return;
957		1343
…		…
962	cf::override;	1348	cf::override;
963	},	1349	},
964	on_extcmd => sub {	1350	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
966		1352
967	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1354
969	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
975	} else {	1370	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1372	}
978		1373
979	cf::override;	1374	cf::override;
980	},	1375	},
981	);	1376	);
982		1377
983	sub register {	1378	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1379	sub cache_extensions {
990	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
991		1381
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1384	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	}	1385	}
1042	}	1386	};
1043		1387
1044	# remove extcmds	1388	$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	}	1389	}
1058		1390
1059	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
1060	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1396	next unless -r $path;
1062	eval {	1397
1063	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
1064	1	1461	}
1065	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
1066	}	1472	};
1067	}	1473	}
1068		1474
1069	#############################################################################	1475	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1476
1072	*cf::mapsupport::on_clean = sub {	1477	=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		1478
1085	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1086		1480
1087	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1088		1482
1089	=cut	1483	=cut
1090		1484
1091	package cf::player;	1485	package cf::player;
1092		1486
…		…
1094		1488
1095	=head3 cf::player	1489	=head3 cf::player
1096		1490
1097	=over 4	1491	=over 4
1098		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
1099	=item cf::player::find $login	1507	=item cf::player::find $login
1100		1508
1101	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1102		1510
1103	=cut	1511	=cut
1104		1512
1105	sub playerdir($) {	1513	sub playerdir($) {
1106	cf::localdir	1514	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1516	}
1112		1517
1113	sub path($) {	1518	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1520
1116	(playerdir $login) . "/$login.pl"	1521	(playerdir $login) . "/playerdata"
1117	}	1522	}
1118		1523
1119	sub find_active($) {	1524	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1525	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1526	and $cf::PLAYER{$_[0]}->active
…		…
1124		1529
1125	sub exists($) {	1530	sub exists($) {
1126	my ($login) = @_;	1531	my ($login) = @_;
1127		1532
1128	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1534	or !aio_stat path $login
1130	}	1535	}
1131		1536
1132	sub find($) {	1537	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1539	my $login = $_[0];
1135		1540
1136	my $guard = cf::lock_acquire "user_find:$login";	1541	my $guard = cf::lock_acquire "user_find:$login";
1137		1542
1138	$cf::PLAYER{$_[0]} || do {	1543	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1142	}	1560	}
1143	}	1561	}
1144	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1145		1576
1146	sub save($) {	1577	sub save($) {
1147	my ($pl) = @_;	1578	my ($pl) = @_;
1148		1579
1149	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1155		1586
1156	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1158		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1159	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1160	Coro::cede;	1596	cf::cede_to_tick;
1161	}	1597	}
1162		1598
1163	sub new($) {	1599	sub new($) {
1164	my ($login) = @_;	1600	my ($login) = @_;
1165		1601
…		…
1171	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1172		1608
1173	$self	1609	$self
1174	}	1610	}
1175		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1176	=item $pl->quit_character	1622	=item $pl->quit_character
1177		1623
1178	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1180		1626
1181	=cut	1627	=cut
1182		1628
1183	sub quit_character {	1629	sub quit_character {
1184	my ($pl) = @_;	1630	my ($pl) = @_;
1185		1631
		1632	my $name = $pl->ob->name;
		1633
1186	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1636
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1193		1643
1194	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1646	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1647	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1648	$pl->destroy;
		1649
		1650	my $prefix = qr<^~\Q$name\E/>;
		1651
		1652	# nuke player maps
		1653	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1654
1199	IO::AIO::aio_rmtree $temp;	1655	IO::AIO::aio_rmtree $temp;
		1656	}
		1657
		1658	=item $pl->kick
		1659
		1660	Kicks a player out of the game. This destroys the connection.
		1661
		1662	=cut
		1663
		1664	sub kick {
		1665	my ($pl, $kicker) = @_;
		1666
		1667	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1668	$pl->killer ("kicked");
		1669	$pl->ns->destroy;
1200	}	1670	}
1201		1671
1202	=item cf::player::list_logins	1672	=item cf::player::list_logins
1203		1673
1204	Returns am arrayref of all valid playernames in the system, can take a	1674	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1675	while and may block, so not sync_job-capable, ever.
1206		1676
1207	=cut	1677	=cut
1208		1678
1209	sub list_logins {	1679	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1680	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1681	or return [];
1212		1682
1213	my @logins;	1683	my @logins;
1214		1684
1215	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1219		1695
1220	utf8::decode $login;	1696	utf8::decode $login;
1221	push @logins, $login;	1697	push @logins, $login;
1222	}	1698	}
1223		1699
1224	\@logins	1700	\@logins
1225	}	1701	}
1226		1702
1227	=item $player->maps	1703	=item $player->maps
1228		1704
		1705	=item cf::player::maps $login
		1706
1229	Returns an arrayref of cf::path's of all maps that are private for this	1707	Returns an arrayref of map paths that are private for this
1230	player. May block.	1708	player. May block.
1231		1709
1232	=cut	1710	=cut
1233		1711
1234	sub maps($) {	1712	sub maps($) {
1235	my ($pl) = @_;	1713	my ($pl) = @_;
		1714
		1715	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1716
1237	my $files = aio_readdir playerdir $pl	1717	my $files = aio_readdir playerdir $pl
1238	or return;	1718	or return;
1239		1719
1240	my @paths;	1720	my @paths;
1241		1721
1242	for (@$files) {	1722	for (@$files) {
1243	utf8::decode $_;	1723	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1724	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1725	next unless /^$PATH_SEP/o;
1246		1726
1247	s/$PATH_SEP/\//g;	1727	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1728	}
1250		1729
1251	\@paths	1730	\@paths
1252	}	1731	}
1253		1732
		1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1734
		1735	Expand deliantra pod fragments into protocol xml.
		1736
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1255		1738
1256	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1257		1740
1258	=cut	1741	=cut
1259		1742
1260	sub ext_reply($$$%) {	1743	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1262		1745
1263	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1747	}
1267		1748
1268	package cf;	1749	=item $player->ext_msg ($type, @msg)
		1750
		1751	Sends an ext event to the client.
		1752
		1753	=cut
		1754
		1755	sub ext_msg($$@) {
		1756	my ($self, $type, @msg) = @_;
		1757
		1758	$self->ns->ext_msg ($type, @msg);
		1759	}
		1760
		1761	=head3 cf::region
		1762
		1763	=over 4
		1764
		1765	=cut
		1766
		1767	package cf::region;
		1768
		1769	=item cf::region::find_by_path $path
		1770
		1771	Tries to decuce the likely region for a map knowing only its path.
		1772
		1773	=cut
		1774
		1775	sub find_by_path($) {
		1776	my ($path) = @_;
		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
		1779
		1780	my ($match, $specificity);
		1781
		1782	for my $region (list) {
		1783	if ($region->{match} && $path =~ $region->{match}) {
		1784	($match, $specificity) = ($region, $region->specificity)
		1785	if $region->specificity > $specificity;
		1786	}
		1787	}
		1788
		1789	$match
		1790	}
1269		1791
1270	=back	1792	=back
1271
1272		1793
1273	=head3 cf::map	1794	=head3 cf::map
1274		1795
1275	=over 4	1796	=over 4
1276		1797
…		…
1279	package cf::map;	1800	package cf::map;
1280		1801
1281	use Fcntl;	1802	use Fcntl;
1282	use Coro::AIO;	1803	use Coro::AIO;
1283		1804
		1805	use overload
		1806	'""' => \&as_string,
		1807	fallback => 1;
		1808
1284	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1286		1811
1287	sub generate_random_map {	1812	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1816
1290	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1818	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1826	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1827	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1828	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1829	(cf::region::find $rmp->{region}), $rmp->{custom}
		1830	)
1304	}	1831	}
1305		1832
1306	# and all this just because we cannot iterate over	1833	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1834
1311	$_->change_map_light ($change)	1835	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1836	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1837	default).
1314		1838
1315	sub try_load_header($) {	1839	=cut
		1840
		1841	sub register {
		1842	my (undef, $regex, $prio) = @_;
		1843	my $pkg = caller;
		1844
		1845	no strict;
		1846	push @{"$pkg\::ISA"}, __PACKAGE__;
		1847
		1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1849	}
		1850
		1851	# also paths starting with '/'
		1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1853
		1854	sub thawer_merge {
		1855	my ($self, $merge) = @_;
		1856
		1857	# we have to keep some variables in memory intact
		1858	local $self->{path};
		1859	local $self->{load_path};
		1860
		1861	$self->SUPER::thawer_merge ($merge);
		1862	}
		1863
		1864	sub normalise {
1316	my ($path) = @_;	1865	my ($path, $base) = @_;
		1866
		1867	$path = "$path"; # make sure its a string
		1868
		1869	$path =~ s/\.map$//;
		1870
		1871	# map plan:
		1872	#
		1873	# /! non-realised random map exit (special hack!)
		1874	# {... are special paths that are not being touched
		1875	# ?xxx/... are special absolute paths
		1876	# ?random/... random maps
		1877	# /... normal maps
		1878	# ~user/... per-player map of a specific user
		1879
		1880	$path =~ s/$PATH_SEP/\//go;
		1881
		1882	# treat it as relative path if it starts with
		1883	# something that looks reasonable
		1884	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1885	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1886
		1887	$base =~ s{[^/]+/?$}{};
		1888	$path = "$base/$path";
		1889	}
		1890
		1891	for ($path) {
		1892	redo if s{//}{/};
		1893	redo if s{/\.?/}{/};
		1894	redo if s{/[^/]+/\.\./}{/};
		1895	}
		1896
		1897	$path
		1898	}
		1899
		1900	sub new_from_path {
		1901	my (undef, $path, $base) = @_;
		1902
		1903	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1904
		1905	$path = normalise $path, $base;
		1906
		1907	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1908	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1909	my $self = bless cf::map::new, $pkg;
		1910	$self->{path} = $path; $self->path ($path);
		1911	$self->init; # pass $1 etc.
		1912	return $self;
		1913	}
		1914	}
		1915
		1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1917	()
		1918	}
		1919
		1920	sub init {
		1921	my ($self) = @_;
		1922
		1923	$self
		1924	}
		1925
		1926	sub as_string {
		1927	my ($self) = @_;
		1928
		1929	"$self->{path}"
		1930	}
		1931
		1932	# the displayed name, this is a one way mapping
		1933	sub visible_name {
		1934	&as_string
		1935	}
		1936
		1937	# the original (read-only) location
		1938	sub load_path {
		1939	my ($self) = @_;
		1940
		1941	"$MAPDIR/$self->{path}.map"
		1942	}
		1943
		1944	# the temporary/swap location
		1945	sub save_path {
		1946	my ($self) = @_;
		1947
		1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1949	"$TMPDIR/$path.map"
		1950	}
		1951
		1952	# the unique path, undef == no special unique path
		1953	sub uniq_path {
		1954	my ($self) = @_;
		1955
		1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1957	"$UNIQUEDIR/$path"
		1958	}
		1959
		1960	sub decay_objects {
		1961	my ($self) = @_;
		1962
		1963	return if $self->{deny_reset};
		1964
		1965	$self->do_decay_objects;
		1966	}
		1967
		1968	sub unlink_save {
		1969	my ($self) = @_;
		1970
		1971	utf8::encode (my $save = $self->save_path);
		1972	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1973	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1974	}
		1975
		1976	sub load_header_from($) {
		1977	my ($self, $path) = @_;
1317		1978
1318	utf8::encode $path;	1979	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1320	or return;	1981	or return;
1321		1982
1322	my $map = cf::map::new	1983	$self->_load_header ($f)
1323	or return;	1984	or return;
1324		1985
1325	# for better error messages only, will be overwritten	1986	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1987	$f->resolve_delayed_derefs;
1327		1988
1328	$map->load_header ($path)	1989	$self->{load_path} = $path;
		1990
		1991	1
		1992	}
		1993
		1994	sub load_header_orig {
		1995	my ($self) = @_;
		1996
		1997	$self->load_header_from ($self->load_path)
		1998	}
		1999
		2000	sub load_header_temp {
		2001	my ($self) = @_;
		2002
		2003	$self->load_header_from ($self->save_path)
		2004	}
		2005
		2006	sub prepare_temp {
		2007	my ($self) = @_;
		2008
		2009	$self->last_access ((delete $self->{last_access})
		2010	|| $cf::RUNTIME); #d#
		2011	# safety
		2012	$self->{instantiate_time} = $cf::RUNTIME
		2013	if $self->{instantiate_time} > $cf::RUNTIME;
		2014	}
		2015
		2016	sub prepare_orig {
		2017	my ($self) = @_;
		2018
		2019	$self->{load_original} = 1;
		2020	$self->{instantiate_time} = $cf::RUNTIME;
		2021	$self->last_access ($cf::RUNTIME);
		2022	$self->instantiate;
		2023	}
		2024
		2025	sub load_header {
		2026	my ($self) = @_;
		2027
		2028	if ($self->load_header_temp) {
		2029	$self->prepare_temp;
		2030	} else {
		2031	$self->load_header_orig
1329	or return;	2032	or return;
		2033	$self->prepare_orig;
		2034	}
1330		2035
1331	$map->{load_path} = $path;	2036	$self->{deny_reset} = 1
		2037	if $self->no_reset;
1332		2038
1333	$map	2039	$self->default_region (cf::region::find_by_path $self->{path})
		2040	unless $self->default_region;
		2041
		2042	1
1334	}	2043	}
1335		2044
1336	sub find;	2045	sub find;
1337	sub find {	2046	sub find {
1338	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1339		2048
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2050
1345	cf::lock_wait "map_find:$key";	2051	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";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2053
1350	# do it the slow way	2054	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2055	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;	2056	or return;
1369		2057
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;	2058	$map->{last_save} = $cf::RUNTIME;
1382		2059
1383	Coro::cede;	2060	$map->load_header
		2061	or return;
1384		2062
1385	if ($map->should_reset) {	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2064	# doing this can freeze the server in a sync job, obviously
		2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1386	$map->reset;	2068	$map->reset;
1387	undef $guard;
1388	$map = find $path	2069	return find $path;
1389	or return;
1390	}	2070	}
1391		2071
1392	$cf::MAP{$key} = $map	2072	$cf::MAP{$path} = $map
1393	}	2073	}
1394	}	2074	}
		2075
		2076	sub pre_load { }
		2077	#sub post_load { } # XS
1395		2078
1396	sub load {	2079	sub load {
1397	my ($self) = @_;	2080	my ($self) = @_;
1398		2081
		2082	local $self->{deny_reset} = 1; # loading can take a long time
		2083
1399	my $path = $self->{path};	2084	my $path = $self->{path};
		2085
		2086	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2087	my $guard = cf::lock_acquire "map_data:$path";
1401		2088
		2089	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2091
1404	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1405		2093
1406	$self->alloc;	2094	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2095
		2096	$self->pre_load;
		2097	cf::cede_to_tick;
		2098
		2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
		2101	$self->_load_objects ($f)
1408	or return;	2102	or return;
1409		2103
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1411	if delete $self->{load_original};	2105	if delete $self->{load_original};
1412		2106
1413	if (my $uniq = $path->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2108	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2111	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1418	}	2115	}
1419	}	2116	}
1420		2117
1421	Coro::cede;	2118	$f->resolve_delayed_derefs;
1422		2119
		2120	cf::cede_to_tick;
1423	# now do the right thing for maps	2121	# now do the right thing for maps
1424	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1425
1426	if ($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)	2123	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2124	unless $self->difficulty;
		2125	cf::cede_to_tick;
		2126
		2127	unless ($self->{deny_activate}) {
		2128	$self->decay_objects;
		2129	$self->fix_auto_apply;
		2130	$self->update_buttons;
		2131	cf::cede_to_tick;
1436	$self->activate;	2132	$self->activate;
1437	}	2133	}
1438		2134
1439	Coro::cede;	2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
1440		2137
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2138	$self->in_memory (cf::MAP_ACTIVE);
		2139	}
		2140
		2141	$self->post_load;
		2142	}
		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
		2147	sub customise_for {
		2148	my ($self, $ob) = @_;
		2149
		2150	return find "~" . $ob->name . "/" . $self->{path}
		2151	if $self->per_player;
		2152
		2153	# return find "?party/" . $ob->name . "/" . $self->{path}
		2154	# if $self->per_party;
		2155
		2156	$self
1442	}	2157	}
1443		2158
1444	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2160	sub load_neighbours {
1446	my ($map) = @_;	2161	my ($map) = @_;
1447		2162
1448	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1449		2164
1450	for (0 .. 3) {	2165	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1452	or next;	2167	or next;
1453	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1454	or next;	2169	or next;
1455	$neigh->load;	2170	$neigh->load;
1456		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2176	}
1460		2177
1461	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1463	or next;	2181	or next;
1464	$neigh->load;	2182	$neigh->load;
1465	}	2183	}
1466	}	2184	}
1467		2185
…		…
1472	}	2190	}
1473		2191
1474	sub do_load_sync {	2192	sub do_load_sync {
1475	my ($map) = @_;	2193	my ($map) = @_;
1476		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1477	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1478	}	2199	}
1479		2200
1480	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
		2202	our $MAP_PREFETCHER = undef;
		2203
		2204	sub find_async {
		2205	my ($path, $origin, $load) = @_;
		2206
		2207	$path = normalise $path, $origin && $origin->{path};
		2208
		2209	if (my $map = $cf::MAP{$path}) {
		2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2211	}
		2212
		2213	$MAP_PREFETCH{$path} |= $load;
		2214
1481	our $MAP_PREFETCHER = Coro::async {	2215	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2216	$Coro::current->{desc} = "map prefetcher";
		2217
1483	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2220	if (my $map = find $k) {
		2221	$map->load if $v;
		2222	}
		2223
1486	my $path = delete $MAP_PREFETCH{$key};	2224	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2225	}
1492	Coro::schedule;	2226	}
		2227	undef $MAP_PREFETCHER;
1493	}	2228	};
1494	};
1495
1496	sub find_async {
1497	my ($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;	2229	$MAP_PREFETCHER->prio (6);
1508		2230
1509	()	2231	()
		2232	}
		2233
		2234	# common code, used by both ->save and ->swapout
		2235	sub _save {
		2236	my ($self) = @_;
		2237
		2238	$self->{last_save} = $cf::RUNTIME;
		2239
		2240	return unless $self->dirty;
		2241
		2242	my $save = $self->save_path; utf8::encode $save;
		2243	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2244
		2245	$self->{load_path} = $save;
		2246
		2247	return if $self->{deny_save};
		2248
		2249	local $self->{last_access} = $self->last_access;#d#
		2250
		2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
		2253	$_->contr->save for $self->players;
		2254	};
		2255
		2256	cf::get_slot 0.02;
		2257
		2258	if ($uniq) {
		2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2261	} else {
		2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2263	}
1510	}	2264	}
1511		2265
1512	sub save {	2266	sub save {
1513	my ($self) = @_;	2267	my ($self) = @_;
1514		2268
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2270
1517	$self->{last_save} = $cf::RUNTIME;	2271	$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	}	2272	}
1541		2273
1542	sub swap_out {	2274	sub swap_out {
1543	my ($self) = @_;	2275	my ($self) = @_;
1544		2276
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1550	return if $self->players;	2281	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1554	$self->clear;	2292	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2293	}
1557		2294
1558	sub reset_at {	2295	sub reset_at {
1559	my ($self) = @_;	2296	my ($self) = @_;
1560		2297
1561	# TODO: safety, remove and allow resettable per-player maps	2298	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2299	return 1e99 if $self->{deny_reset};
1564		2300
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2301	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2302	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2303
…		…
1572	my ($self) = @_;	2308	my ($self) = @_;
1573		2309
1574	$self->reset_at <= $cf::RUNTIME	2310	$self->reset_at <= $cf::RUNTIME
1575	}	2311	}
1576		2312
1577	sub unlink_save {
1578	my ($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	$self->save;
1596	}
1597
1598	sub reset {	2313	sub reset {
1599	my ($self) = @_;	2314	my ($self) = @_;
1600		2315
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2317
1603	return if $self->players;	2318	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2319
1606	warn "resetting map ", $self->path;#d#	2320	warn "resetting map ", $self->path, "\n";
		2321
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# need to save uniques path
		2325	unless ($self->{deny_save}) {
		2326	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2327
		2328	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2329	if $uniq;
		2330	}
1607		2331
1608	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
1609		2333
		2334	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2335	$_->clear_links_to ($self) for values %cf::MAP;
		2336	$self->clear;
1611		2337
1612	$self->unlink_save;	2338	$self->unlink_save;
1613	$self->destroy;	2339	$self->destroy;
1614	}	2340	}
1615		2341
1616	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
1617		2343
1618	sub nuke {	2344	sub nuke {
1619	my ($self) = @_;	2345	my ($self) = @_;
1620		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
		2350	delete $cf::MAP{$self->path};
		2351
		2352	$self->unlink_save;
		2353
		2354	bless $self, "cf::map::wrap";
		2355	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2359
		2360	$cf::MAP{$self->path} = $self;
		2361	}
		2362
1624	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
1625	}	2364	}
1626		2365
1627	sub customise_for {	2366	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2367
1630	if ($map->per_player) {	2368	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2369	maps. May block.
		2370
		2371	=cut
		2372
		2373	sub tmp_maps() {
1632	}	2374	[
		2375	map {
		2376	utf8::decode $_;
		2377	/\.map$/
		2378	? normalise $_
		2379	: ()
		2380	} @{ aio_readdir $TMPDIR or [] }
		2381	]
		2382	}
1633		2383
		2384	=item $maps = cf::map::random_maps
		2385
		2386	Returns an arrayref with all map paths of currently instantiated and saved
		2387	random maps. May block.
		2388
		2389	=cut
		2390
		2391	sub random_maps() {
		2392	[
		2393	map {
		2394	utf8::decode $_;
		2395	/\.map$/
		2396	? normalise "?random/$_"
		2397	: ()
		2398	} @{ aio_readdir $RANDOMDIR or [] }
		2399	]
		2400	}
		2401
		2402	=item cf::map::unique_maps
		2403
		2404	Returns an arrayref of paths of all shared maps that have
		2405	instantiated unique items. May block.
		2406
		2407	=cut
		2408
		2409	sub unique_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	s/\.map$//; # TODO future compatibility hack
		2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2415	? ()
		2416	: normalise $_
		2417	} @{ aio_readdir $UNIQUEDIR or [] }
		2418	]
		2419	}
		2420
		2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
1634	$map	2450	\@maps
1635	}	2451	}
1636
1637	package cf;
1638		2452
1639	=back	2453	=back
1640		2454
1641	=head3 cf::object	2455	=head3 cf::object
1642		2456
…		…
1646		2460
1647	=over 4	2461	=over 4
1648		2462
1649	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
1650		2464
1651	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
1652		2467
1653	=cut	2468	=cut
1654		2469
1655	sub inv_recursive_;	2470	sub inv_recursive_;
1656	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
1659		2474
1660	sub inv_recursive {	2475	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
1662	}	2477	}
1663		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
1664	package cf;	2507	package cf;
1665		2508
1666	=back	2509	=back
1667		2510
1668	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	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	2518	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
1677		2520
1678	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
1679		2536
1680	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2538	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
1685		2542
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2543	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2544
1688	if ($self->{record_replies}) {	2545	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2546	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2547
1690	} else {	2548	} else {
		2549	my $pl = $self->contr;
		2550
		2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2552	my $dialog = $pl->{npc_dialog};
		2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2554
		2555	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2558	}
1693	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
1694	}	2570	}
1695		2571
1696	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
1697		2573
1698	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
1711		2587
1712	=item $player_object->enter_link	2588	=item $player_object->enter_link
1713		2589
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2591
1716	The player should be reaosnably safe there for short amounts of time. You	2592	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.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
		2596
		2597	Will never block.
1718		2598
1719	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
1720		2600
1721	Moves the player out of the specila link map onto the given map. If the	2601	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2602	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2603	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2604	fails, to the emergency map position.
1725		2605
1726	Might block.	2606	Might block.
1727		2607
1728	=cut	2608	=cut
		2609
		2610	sub link_map {
		2611	unless ($LINK_MAP) {
		2612	$LINK_MAP = cf::map::find "{link}"
		2613	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2614	$LINK_MAP->load;
		2615	}
		2616
		2617	$LINK_MAP
		2618	}
1729		2619
1730	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2621	my ($self) = @_;
1732		2622
1733	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
1734		2624
1735	return if $self->map == $LINK_MAP;	2625	++$self->{_link_recursion};
		2626
		2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2628
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2630	if $self->map && $self->map->{path} ne "{link}";
1739		2631
1740	$self->enter_map ($LINK_MAP, 20, 20);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2633	}
1742		2634
1743	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
		2637
		2638	return unless $self->contr->active;
1745		2639
1746	my $link_pos = delete $self->{_link_pos};	2640	my $link_pos = delete $self->{_link_pos};
1747		2641
1748	unless ($map) {	2642	unless ($map) {
1749	# restore original map position	2643	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
1762		2656
1763	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
1766		2660
1767	$map->load;	2661	$map->load;
1768	$map->load_diag;	2662	$map->load_neighbours;
1769		2663
1770	return unless $self->contr->active;	2664	return unless $self->contr->active;
		2665
		2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2667	if ($self->enter_map ($map, $x, $y)) {
		2668	# entering was successful
		2669	delete $self->{_link_recursion};
		2670	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2671	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2672	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2673
1789	# try to abort aborted map switching on player login :)	2674	}
1790	# should happen only on crashes
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)	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2677
		2678	Moves the player to the given map-path and coordinates by first freezing
		2679	her, loading and preparing them map, calling the provided $check callback
		2680	that has to return the map if sucecssful, and then unfreezes the player on
		2681	the new (success) or old (failed) map position. In either case, $done will
		2682	be called at the end of this process.
		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
		2686
1809	=cut	2687	=cut
		2688
		2689	our $GOTOGEN;
1810		2690
1811	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2693
1814	$path = new cf::path $path;	2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
1815	$path ne "/" or Carp::cluck ("oy");#d#	2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
		2699
		2700	# do generation counting so two concurrent goto's will be executed in-order
		2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2702
1817	$self->enter_link;	2703	$self->enter_link;
1818		2704
1819	(async {	2705	(async {
1820	my $map = cf::map::find $path->as_string;	2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
		2727	my $map = eval {
		2728	my $map = defined $path ? cf::map::find $path : undef;
		2729
		2730	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2731	$map = $map->customise_for ($self);
1822		2732	$map = $check->($map, $x, $y, $self) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2733	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
1827		2736
		2737	$map
		2738	};
		2739
		2740	if ($@) {
		2741	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	LOG llevError | logBacktrace, Carp::longmess $@;
		2743	}
		2744
		2745	if ($gen == $self->{_goto_generation}) {
		2746	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
		2748	}
		2749
		2750	$done->($self) if $done;
1829	})->prio (1);	2751	})->prio (1);
1830	}	2752	}
1831		2753
1832	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
1833		2755
…		…
1835		2757
1836	sub parse_random_map_params {	2758	sub parse_random_map_params {
1837	my ($spec) = @_;	2759	my ($spec) = @_;
1838		2760
1839	my $rmp = { # defaults	2761	my $rmp = { # defaults
1840	xsize => 10,	2762	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2763	ysize => (cf::rndm 15, 40),
		2764	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2765	#layout => string,
1842	};	2766	};
1843		2767
1844	for (split /\n/, $spec) {	2768	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2769	my ($k, $v) = split /\s+/, $_, 2;
1846		2770
…		…
1858	# that depends on the exit object	2782	# that depends on the exit object
1859		2783
1860	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
1861		2785
1862	if ($exit->map) {	2786	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2787	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
1867	}	2793	}
1868		2794
1869	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
1870		2796
1871	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
		2799	my $meta = "$RANDOMDIR/$md5.meta";
1873		2800
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
		2803	undef $fh;
		2804	aio_rename "$meta~", $meta;
1876		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
1879	}	2812	}
1880	}	2813	}
1881		2814
1882	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
1886		2819
1887	$self->enter_link;	2820	$self->enter_link;
1888		2821
1889	(async {	2822	(async {
1890	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
1891	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
1892	prepare_random_map $exit	2832	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2833	if $exit->slaying eq "/!";
		2834	}
1894		2835
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
1897		2839
		2840	$self->goto ($map, $x, $y);
		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
1898	1;	2846	1
1899	}) {	2847	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2850	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2852
1905	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2854	$self->leave_link;
1907	}	2855	}
1908	})->prio (1);	2856	})->prio (1);
…		…
1921		2869
1922	sub cf::client::send_drawinfo {	2870	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2871	my ($self, $text, $flags) = @_;
1924		2872
1925	utf8::encode $text;	2873	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2875	}
1928		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2903
		2904	Send a drawinfo or msg packet to the client, formatting the msg for the
		2905	client if neccessary. C<$type> should be a string identifying the type of
		2906	the message, with C<log> being the default. If C<$color> is negative, suppress
		2907	the message unless the client supports the msg packet.
		2908
		2909	=cut
		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
		3025	sub cf::client::send_msg {
		3026	my ($self, $channel, $msg, $color, @extra) = @_;
		3027
		3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
		3030
		3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3032
		3033	# check predefined channels, for the benefit of C
		3034	if ($CHANNEL{$channel}) {
		3035	$channel = $CHANNEL{$channel};
		3036
		3037	$self->ext_msg (channel_info => $channel);
		3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
		3045	}
		3046
		3047	$channel = $channel->{id};
		3048	}
		3049
		3050	return unless @extra || length $msg;
		3051
		3052	# default colour, mask it out
		3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3054	if $color & cf::NDI_DEF;
		3055
		3056	my $pkt = "msg "
		3057	. $self->{json_coder}->encode (
		3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3059	);
		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
		3064	=item $client->ext_msg ($type, @msg)
		3065
		3066	Sends an ext event to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_msg($$@) {
		3071	my ($self, $type, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
		3076	push @msg, msgtype => "event_$type";
		3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
		3097	}
1929		3098
1930	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
1931		3100
1932	Queues a query to the client, calling the given callback with	3101	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>,	3102	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>.	3103	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		3104
1936	Queries can fail, so check the return code. Or don't, as queries will become	3105	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	3106	become reliable at some point in the future.
1938		3107
1939	=cut	3108	=cut
1940		3109
1941	sub cf::client::query {	3110	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	3111	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	3119	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3120	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		3121
1953	$self->send_packet ($self->{query_queue}[0][0])	3122	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	3123	if @{ $self->{query_queue} } == 1;
		3124
		3125	1
1955	}	3126	}
1956		3127
1957	cf::client->attach (	3128	cf::client->attach (
		3129	on_connect => sub {
		3130	my ($ns) = @_;
		3131
		3132	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3133	},
1958	on_reply => sub {	3134	on_reply => sub {
1959	my ($ns, $msg) = @_;	3135	my ($ns, $msg) = @_;
1960		3136
1961	# this weird shuffling is so that direct followup queries	3137	# this weird shuffling is so that direct followup queries
1962	# get handled first	3138	# get handled first
1963	my $queue = delete $ns->{query_queue}	3139	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	3140	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		3141
1966	(shift @$queue)->[1]->($msg);	3142	(shift @$queue)->[1]->($msg);
		3143	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		3144
1968	push @{ $ns->{query_queue} }, @$queue;	3145	push @{ $ns->{query_queue} }, @$queue;
1969		3146
1970	if (@{ $ns->{query_queue} } == @$queue) {	3147	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	3148	if (@$queue) {
…		…
1973	} else {	3150	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3151	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	3152	}
1976	}	3153	}
1977	},	3154	},
		3155	on_exticmd => sub {
		3156	my ($ns, $buf) = @_;
		3157
		3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3159
		3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
		3168	if (my $cb = $EXTICMD{$type}) {
		3169	@reply = $cb->($ns, @payload);
		3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
		3175	} else {
		3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3177	}
		3178
		3179	cf::override;
		3180	},
1978	);	3181	);
1979		3182
1980	=item $client->async (\&cb)	3183	=item $client->async (\&cb)
1981		3184
1982	Create a new coroutine, running the specified callback. The coroutine will	3185	Create a new coroutine, running the specified callback. The coroutine will
…		…
1998		3201
1999	$coro	3202	$coro
2000	}	3203	}
2001		3204
2002	cf::client->attach (	3205	cf::client->attach (
2003	on_destroy => sub {	3206	on_client_destroy => sub {
2004	my ($ns) = @_;	3207	my ($ns) = @_;
2005		3208
2006	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2007	},	3210	},
2008	);	3211	);
…		…
2023	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2025		3228
2026	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2027		3230
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2029		3236
2030	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2031		3238
2032	=pod	3239	=pod
2033		3240
2034	The following fucntions and emthods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2035		3242
2036	cf::object contr pay_amount pay_player map	3243	cf::object
		3244	contr pay_amount pay_player map x y force_find force_add destroy
		3245	insert remove name archname title slaying race decrease split
		3246	value
		3247
2037	cf::object::player player	3248	cf::object::player
2038	cf::player peaceful	3249	player
2039	cf::map trigger	3250
		3251	cf::player
		3252	peaceful
		3253
		3254	cf::map
		3255	trigger
2040		3256
2041	=cut	3257	=cut
2042		3258
2043	for (	3259	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2045	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2047	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2048	) {	3266	) {
2049	no strict 'refs';	3267	no strict 'refs';
2050	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2051	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2069		3287
2070	my $qcode = $code;	3288	my $qcode = $code;
2071	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2072	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2073		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2074	local $_;	3295	local $_;
2075	local @safe::cf::_safe_eval_args = values %vars;
2076		3296
2077	my $eval =	3297	my $eval =
2078	"do {\n"	3298	"do {\n"
2079	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2080	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2081	. $code	3301	. $code
2082	. "\n}"	3302	. "\n}"
2083	;	3303	;
2084		3304
		3305	if ($CFG{safe_eval}) {
2085	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2086	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2087	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2088		3314
2089	if ($@) {	3315	if ($@) {
2090	warn "$@";	3316	warn "$@";
2091	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2092	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2111	=cut	3337	=cut
2112		3338
2113	sub register_script_function {	3339	sub register_script_function {
2114	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2115		3341
2116	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2117	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2118	}	3344	}
2119		3345
2120	=back	3346	=back
2121		3347
2122	=cut	3348	=cut
2123		3349
2124	#############################################################################	3350	#############################################################################
		3351	# the server's init and main functions
2125		3352
2126	=head2 EXTENSION DATABASE SUPPORT	3353	sub load_facedata($) {
		3354	my ($path) = @_;
2127		3355
2128	Crossfire maintains a very simple database for extension use. It can	3356	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3357	# for this (global event?)
2130	excludes objects.	3358	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3359
2132	The parameter C<$family> should best start with the name of the extension	3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3361
2135	=over 4	3362	warn "loading facedata from $path\n";
2136		3363
2137	=item $hashref = cf::db_get $family	3364	my $facedata;
		3365	0 < aio_load $path, $facedata
		3366	or die "$path: $!";
2138		3367
2139	Return a hashref for use by the extension C<$family>, which can be	3368	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3369
2143	=item $value = cf::db_get $family => $key	3370	$facedata->{version} == 2
		3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3372
2145	Returns a single value from the database	3373	# patch in the exptable
2146		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2147	=item cf::db_put $family => $hashref	3375	$facedata->{resource}{"res/exp_table"} = {
2148		3376	type => FT_RSRC,
2149	Stores the given family hashref into the database. Updates are delayed, if	3377	data => $exp_table,
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3378	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	});	3379	};
		3380	cf::cede_to_tick;
2198		3381
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3382	{
		3383	my $faces = $facedata->{faceinfo};
2203		3384
2204	sub db_get($;$) {	3385	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3387
2210	sub db_put($$;$) {	3388	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3389	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2213	} else {	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3392
2219	cf::global->attach (	3393	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3394	}
2224	);
2225	}
2226		3395
2227	#############################################################################	3396	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3397	next unless $info->{smooth};
2229		3398
2230	sub cfg_load {	3399	my $idx = cf::face::find $face
		3400	or next;
		3401
		3402	if (my $smooth = cf::face::find $info->{smooth}) {
		3403	cf::face::set_smooth $idx, $smooth;
		3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3405	} else {
		3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	{
		3414	my $anims = $facedata->{animinfo};
		3415
		3416	while (my ($anim, $info) = each %$anims) {
		3417	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3418	cf::cede_to_tick;
		3419	}
		3420
		3421	cf::anim::invalidate_all; # d'oh
		3422	}
		3423
		3424	{
		3425	my $res = $facedata->{resource};
		3426
		3427	while (my ($name, $info) = each %$res) {
		3428	if (defined $info->{type}) {
		3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3432	cf::face::set_type $idx, $info->{type};
		3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
		3436
		3437	cf::cede_to_tick;
		3438	}
		3439	}
		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3442
		3443	1
		3444	}
		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
		3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
		3489	load_resource_file "$MAPDIR/regions"
		3490	or die "unable to load regions file\n";
		3491
		3492	for (cf::region::list) {
		3493	$_->{match} = qr/$_->{match}/
		3494	if exists $_->{match};
		3495	}
		3496	}
		3497
		3498	sub reload_facedata {
		3499	load_facedata "$DATADIR/facedata"
		3500	or die "unable to load facedata\n";
		3501	}
		3502
		3503	sub reload_archetypes {
		3504	load_resource_file "$DATADIR/archetypes"
		3505	or die "unable to load archetypes\n";
		3506	}
		3507
		3508	sub reload_treasures {
		3509	load_resource_file "$DATADIR/treasures"
		3510	or die "unable to load treasurelists\n";
		3511	}
		3512
		3513	sub reload_resources {
		3514	warn "reloading resource files...\n";
		3515
		3516	reload_facedata;
		3517	reload_archetypes;
		3518	reload_regions;
		3519	reload_treasures;
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub reload_config {
		3525	warn "reloading config file...\n";
		3526
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3528	or return;
2233		3529
2234	local $/;	3530	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2236		3532
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2238		3534
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$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};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2241		3537
2242	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2245	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2246	};	3542	};
2247	warn $@ if $@;	3543	warn $@ if $@;
2248	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2249	}	3575	}
2250		3576
2251	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2252	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3590	(async {
		3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
		3593	})->prio (Coro::PRIO_MAX);
2256	};	3594	};
2257		3595
2258	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
		3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2260	load_extensions;	3619	load_extensions;
2261	Event::loop;	3620
		3621	utime time, time, $RUNTIMEFILE;
		3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2262	}	3634	}
2263		3635
2264	#############################################################################	3636	#############################################################################
2265	# initialisation and cleanup	3637	# initialisation and cleanup
2266		3638
2267	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2268	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
2275	},
2276	);	3645	};
		3646	}
		3647	}
		3648
		3649	sub write_runtime_sync {
		3650	my $t0 = AE::time;
		3651
		3652	# first touch the runtime file to show we are still running:
		3653	# the fsync below can take a very very long time.
		3654
		3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3656
		3657	my $guard = cf::lock_acquire "write_runtime";
		3658
		3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3660	or return;
		3661
		3662	my $value = $cf::RUNTIME + 90 + 10;
		3663	# 10 is the runtime save interval, for a monotonic clock
		3664	# 60 allows for the watchdog to kill the server.
		3665
		3666	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3667	and return;
		3668
		3669	# always fsync - this file is important
		3670	aio_fsync $fh
		3671	and return;
		3672
		3673	# touch it again to show we are up-to-date
		3674	aio_utime $fh, undef, undef;
		3675
		3676	close $fh
		3677	or return;
		3678
		3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3680	and return;
		3681
		3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3683
2277	}	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2278	}	3735	}
2279		3736
2280	sub emergency_save() {	3737	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2282		3739
2283	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2284		3741
2285	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2286	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3756	$pl->save;
2294	}	3757	}
2295	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2296		3759
2297	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3763	$map->valid or next;
2301	$map->save;	3764	$map->save;
2302	}	3765	}
2303	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
		3767
		3768	warn "emergency_perl_save: begin database checkpoint\n";
		3769	BDB::db_env_txn_checkpoint $DB_ENV;
		3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2304	};	3775	};
2305		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2306	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2307	}	3783	}
2308		3784
		3785	sub post_cleanup {
		3786	my ($make_core) = @_;
		3787
		3788	warn Carp::longmess "post_cleanup backtrace"
		3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
		3818	}
		3819
2309	sub reload() {	3820	sub do_reload_perl() {
2310	# can/must only be called in main	3821	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2312	warn "can only reload from main coroutine\n";	3823	warn "can only reload from main coroutine";
2313	return;	3824	return;
2314	}	3825	}
2315		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2316	warn "reloading...";	3832	warn "reloading...";
2317		3833
2318	my $guard = freeze_mainloop;	3834	warn "entering sync_job";
		3835
		3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3838	cf::emergency_save;
		3839	cf::write_runtime_sync; # external watchdog should not bark
2320		3840
2321	eval {	3841	warn "syncing database to disk";
		3842	BDB::db_env_txn_checkpoint $DB_ENV;
		3843
2322	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2323		3845
2324	# cancel all watchers	3846	warn "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3847	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3848	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	}	3849	}
2352		3850
2353	Symbol::delete_package $k;	3851	warn "cancelling all extension coros";
		3852	$_->cancel for values %EXT_CORO;
		3853	%EXT_CORO = ();
		3854
		3855	warn "removing commands";
		3856	%COMMAND = ();
		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
		3864	warn "... unloading $pkg";
		3865
		3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
		3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
2354	}	3875	}
2355		3876
2356	# sync database to disk	3877	warn "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3878	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
		3892	}
		3893
2360	# get rid of safe::, as good as possible	3894	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3897
2364	# remove register_script_function callbacks	3898	warn "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
		3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2369		3901
2370	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3903	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
2373		3905
2374	# reload cf.pm	3906	warn "unload completed, starting to reload now";
		3907
2375	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
2376	require cf;	3909	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
2378		3911
2379	# load config and database again	3912	warn "loading config and database again";
2380	cf::cfg_load;	3913	cf::reload_config;
2381	cf::db_load;
2382		3914
2383	# load extensions
2384	warn "load extensions";	3915	warn "loading extensions";
2385	cf::load_extensions;	3916	cf::load_extensions;
2386		3917
2387	# reattach attachments to objects	3918	if ($REATTACH_ON_RELOAD) {
2388	warn "reattach";	3919	warn "reattaching attachments to objects/players";
2389	_global_reattach;	3920	_global_reattach; # objects, sockets
		3921	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
		3923	warn "reattaching attachments to players";
		3924	reattach $_ for values %PLAYER;
		3925	}
		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
		3930	warn "leaving sync_job";
		3931
		3932	1
		3933	} or do {
		3934	warn $@;
		3935	cf::cleanup "error while reloading, exiting.";
		3936	};
		3937
		3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
		3944	};
		3945
		3946	our $RELOAD_WATCHER; # used only during reload
		3947
		3948	sub reload_perl() {
		3949	# doing reload synchronously and two reloads happen back-to-back,
		3950	# coro crashes during coro_state_free->destroy here.
		3951
		3952	$RELOAD_WATCHER ||= cf::async {
		3953	Coro::AIO::aio_wait cache_extensions;
		3954
		3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3956	do_reload_perl;
		3957	undef $RELOAD_WATCHER;
		3958	};
2391	};	3959	};
2392
2393	if ($@) {
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} = $LINK_MAP;
2443	}	3960	}
2444
2445	register "<global>", __PACKAGE__;
2446		3961
2447	register_command "reload" => sub {	3962	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
2449		3964
2450	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3966	$who->message ("reloading server.");
		3967	async {
		3968	$Coro::current->{desc} = "perl_reload";
		3969	reload_perl;
		3970	};
2454	}	3971	}
2455	};	3972	};
2456		3973
2457	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
2458		3975
2459	$TICK_WATCHER = Event->timer (	3976	my $bug_warning = 0;
2460	reentrant => 0,	3977
2461	prio => 0,	3978	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3979	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3980
2464	cb => sub {	3981	sub wait_for_tick {
		3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3983
		3984	my $signal = new Coro::Signal;
		3985	push @WAIT_FOR_TICK, $signal;
		3986	$signal->wait;
		3987	}
		3988
		3989	sub wait_for_tick_begin {
		3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3991
		3992	my $signal = new Coro::Signal;
		3993	push @WAIT_FOR_TICK_BEGIN, $signal;
		3994	$signal->wait;
		3995	}
		3996
		3997	sub tick {
		3998	if ($Coro::current != $Coro::main) {
		3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4000	unless ++$bug_warning > 10;
		4001	return;
		4002	}
		4003
2465	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		4005
2469	$WAIT_FOR_TICK->broadcast;	4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2471		4007
2472	# if we are delayed by four ticks or more, skip them all	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2474		4010	Coro::async_pool {
2475	$TICK_WATCHER->at ($NEXT_TICK);	4011	$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	4012	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	4013	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	4014	};
2499	},	4015	}
2500	);	4016
		4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4018	$sig->send;
		4019	}
		4020	while (my $sig = shift @WAIT_FOR_TICK) {
		4021	$sig->send;
		4022	}
		4023
		4024	$LOAD = ($NOW - $TICK_START) / $TICK;
		4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4026
		4027	if (0) {
		4028	if ($NEXT_TICK) {
		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
		4033	}
		4034	}
		4035
		4036	{
		4037	# configure BDB
		4038
		4039	BDB::min_parallel 16;
		4040	BDB::max_poll_reqs $TICK * 0.1;
		4041	$AnyEvent::BDB::WATCHER->priority (1);
		4042
		4043	unless ($DB_ENV) {
		4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4050
		4051	cf::sync_job {
		4052	eval {
		4053	BDB::db_env_open
		4054	$DB_ENV,
		4055	$BDBDIR,
		4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4058	0666;
		4059
		4060	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4061	};
		4062
		4063	cf::cleanup "db_env_open(db): $@" if $@;
		4064	};
		4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
		4076	}
		4077
		4078	{
		4079	# configure IO::AIO
		4080
		4081	IO::AIO::min_parallel 8;
		4082	IO::AIO::max_poll_time $TICK * 0.1;
		4083	undef $AnyEvent::AIO::WATCHER;
		4084	}
		4085
		4086	my $_log_backtrace;
		4087
		4088	sub _log_backtrace {
		4089	my ($msg, @addr) = @_;
		4090
		4091	$msg =~ s/\n//;
		4092
		4093	# limit the # of concurrent backtraces
		4094	if ($_log_backtrace < 2) {
		4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
		4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
		4100	my @bt = fork_call {
		4101	@addr = map { sprintf "%x", $_ } @addr;
		4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4104	or die "addr2line: $!";
		4105
		4106	my @funcs;
		4107	my @res = <$fh>;
		4108	chomp for @res;
		4109	while (@res) {
		4110	my ($func, $line) = splice @res, 0, 2, ();
		4111	push @funcs, "[$func] $line";
		4112	}
		4113
		4114	@funcs
		4115	};
		4116
		4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4119	LOG llevInfo, "[ABT] $_\n" for @bt;
		4120	--$_log_backtrace;
		4121	};
		4122	} else {
		4123	LOG llevInfo, "[ABT] $msg\n";
		4124	LOG llevInfo, "[ABT] [suppressed]\n";
		4125	}
		4126	}
		4127
		4128	# load additional modules
		4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
2501		4131
2502	END { cf::emergency_save }	4132	END { cf::emergency_save }
2503		4133
2504	1	4134	1
2505		4135

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