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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	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		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
		76
		77	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
		80	our %EXT_CORO = (); # coroutines bound to extensions
		81	our %EXT_MAP = (); # pluggable maps
39		82
		83	our $RELOAD; # number of reloads so far
40	our @EVENT;	84	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		85
43	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	87	our $DATADIR = datadir;
		88	our $LIBDIR = "$DATADIR/ext";
		89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	101	our $NEXT_TICK;
46	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
47		108
48	our %CFG;	109	our %CFG;
49		110
50	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
52		114
53	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	117	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		118
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	119	# 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;	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
61		126
62	binmode STDOUT;	127	binmode STDOUT;
63	binmode STDERR;	128	binmode STDERR;
64		129
65	# read virtual server time, if available	130	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
70	}	135	}
71		136
72	mkdir cf::localdir;	137	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		139
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
81		143
82	#############################################################################	144	#############################################################################
83		145
84	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
85		147
…		…
92	=item $cf::RUNTIME	154	=item $cf::RUNTIME
93		155
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	157	every server tick.
96		158
97	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		162
99	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
101		167
102	=item $cf::NOW	168	=item $cf::NOW
103		169
104	The time of the last (current) server tick.	170	The time of the last (current) server tick.
105		171
106	=item $cf::TICK	172	=item $cf::TICK
107		173
108	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
109		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
110	=item %cf::CFG	186	=item %cf::CFG
111		187
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	189	from wherever your confdir points to.
114		190
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		192
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	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	194	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	195	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.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
121		202
122	=back	203	=back
123		204
124	=cut	205	=cut
125		206
126	BEGIN {	207	BEGIN {
127	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	209	my $msg = join "", @_;
129	utf8::encode $msg;
130		210
131	$msg .= "\n"	211	$msg .= "\n"
132	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
133		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
134	LOG llevError, $msg;	216	LOG llevError, $msg;
135	};	217	};
136	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
137		234
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		242
145	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	244	# within the Safe compartment.
147	for my $pkg (qw(	245	for my $pkg (qw(
148	cf::global cf::attachable	246	cf::global cf::attachable
149	cf::object cf::object::player	247	cf::object cf::object::player
150	cf::client cf::player	248	cf::client cf::player
151	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
152	cf::map cf::party cf::region	251	cf::party cf::region
153	)) {	252	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	254	}
157		255
158	$Event::DIED = sub {	256	$EV::DIED = sub {
159	warn "error in event callback: @_";	257	warn "error in event callback: @_";
160	};	258	};
161		259
162	my %ext_pkg;	260	#############################################################################
163	my @exts;
164	my @hook;
165		261
166	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
167		263
168	=over 4	264	=over 4
169		265
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	285	$d
190	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
191	}	287	}
192		288
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
196		290
197	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
198		292
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
207		294
208	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
209		296
210	=cut	297	=cut
211		298
212	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
214	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
216		303
217	=item cf::lock_wait $string	304	=item cf::lock_wait $string
218		305
219	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
220		307
…		…
223	Wait until the given lock is available and then acquires it and returns	310	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,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
226	returned.	313	returned.
227		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
228	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
230		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
231	=cut	325	=cut
232		326
233	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
234		329
235	sub lock_wait($) {	330	sub lock_wait($) {
236	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
237		337
238	# wait for lock, if any	338	# wait for lock, if any
239	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	341	Coro::schedule;
…		…
247		347
248	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
249	lock_wait $key;	349	lock_wait $key;
250		350
251	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
252		353
253	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
256	}	358	}
257	}	359	}
258		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
259	sub freeze_mainloop {	367	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
261		369
262	my $guard = Coro::guard { $TICK_WATCHER->start };	370	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	371	}
264	$guard	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
		431	}
		432	};
		433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
265	}	446	}
266		447
267	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
268		449
269	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		455
275	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
276		457
277	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
278		459
279	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
282		464
283	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
286	fast or be very important.	468	fast or be very important.
…		…
289		471
290	sub sync_job(&) {	472	sub sync_job(&) {
291	my ($job) = @_;	473	my ($job) = @_;
292		474
293	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
294	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
296		480
297	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	482
299	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
300		484
301	my $busy = 1;	485	my $busy = 1;
302	my @res;	486	my @res;
303		487
304	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	490	@res = eval { $job->() };
306	warn $@ if $@;	491	warn $@ if $@;
307	undef $busy;	492	undef $busy;
308	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
309		494
310	while ($busy) {	495	while ($busy) {
311	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
312	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
313		506
314	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
315	} else {	508	} else {
316	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
317		510
…		…
319	}	512	}
320	}	513	}
321		514
322	=item $coro = cf::async_ext { BLOCK }	515	=item $coro = cf::async_ext { BLOCK }
323		516
324	Like async, but this coro is automcatially being canceled when the	517	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	518	extension calling this is being unloaded.
326		519
327	=cut	520	=cut
328		521
329	sub async_ext(&) {	522	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
338		531
339	$coro	532	$coro
340	}	533	}
341		534
342	sub write_runtime {	535	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		536
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
346	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
347		541
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		543
352	aio_fsync $fh	544	sub fork_call(&@) {
353	and return;	545	my ($cb, @args) = @_;
354		546
355	close $fh	547	# we seemingly have to make a local copy of the whole thing,
356	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
357		550
358	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
359	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
360		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
361	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	722	}
363		723
364	=back	724	=back
365		725
366	=cut	726	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		727
495	#############################################################################	728	#############################################################################
496		729
497	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
498		731
…		…
500	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
502		735
503	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	738	Deliantra).
506		739
507	=over 4	740	=over 4
508		741
509	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
510		743
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	858	our @CB_MAP = ();
626		859
627	my %attachment;	860	my %attachment;
628		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
629	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
631		870
632	use sort 'stable';	871	use sort 'stable';
633		872
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
668		907
669	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		912
674	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	914	my $pkg = shift @arg;
676		915
677	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
707	}	946	}
708		947
709	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
710	} else {	949	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	951	}
713		952
714	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
715	}	954	}
716		955
…		…
718	if (ref $_[0]) {	957	if (ref $_[0]) {
719	_object_attach @_;	958	_object_attach @_;
720	} else {	959	} else {
721	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
722	}	961	}
		962	_recalc_want;
723	};	963	};
724		964
725	# all those should be optimised	965	# all those should be optimised
726	sub cf::attachable::detach {	966	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
731	reattach ($obj);	971	reattach ($obj);
732	} else {	972	} else {
733	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
734	}	974	}
		975	_recalc_want;
735	};	976	};
736		977
737	sub cf::attachable::attached {	978	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
739		980
…		…
754	";	995	";
755	die if $@;	996	die if $@;
756	}	997	}
757		998
758	our $override;	999	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		1001
761	sub override {	1002	sub override {
762	$override = 1;	1003	$override = 1;
763	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
764	}	1005	}
765		1006
766	sub do_invoke {	1007	sub do_invoke {
767	my $event = shift;	1008	my $event = shift;
768	my $callbacks = shift;	1009	my $callbacks = shift;
769		1010
770	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
771		1012
772	local $override;	1013	local $override;
773		1014
774	for (@$callbacks) {	1015	for (@$callbacks) {
775	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
784	}	1025	}
785		1026
786	0	1027	0
787	}	1028	}
788		1029
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		1031
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		1033
793	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
794		1035
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		1039
799	=back	1040	=back
800		1041
801	=cut	1042	=cut
802		1043
803	#############################################################################	1044	#############################################################################
804	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
805		1088
806	sub reattach {	1089	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1095
810	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
811		1097
812	@$registry = ();	1098	@$registry = ();
813		1099
…		…
828	cf::attachable->attach (	1114	cf::attachable->attach (
829	prio => -1000000,	1115	prio => -1000000,
830	on_instantiate => sub {	1116	on_instantiate => sub {
831	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
832		1118
833	$data = from_json $data;	1119	$data = decode_json $data;
834		1120
835	for (@$data) {	1121	for (@$data) {
836	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
837		1123
838	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1140	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
856		1142
857	sync_job {	1143	sync_job {
858	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
861		1148
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	1153	aio_close $fh;
867		1154
868	if (@$objs) {	1155	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	1161	aio_close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
876	}	1163	}
877	} else {	1164	} else {
878	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
879	}	1166	}
…		…
884	}	1171	}
885	} else {	1172	} else {
886	aio_unlink $filename;	1173	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
888	}	1175	}
889	}	1176	};
890	}	1177	}
891		1178
892	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
894		1181
…		…
906	or return;	1193	or return;
907		1194
908	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
910	or return;	1197	or return;
		1198
911	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
912	}	1201	}
913		1202
		1203	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
916	return ($data, $av);	1207	($data, $av)
917	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
918		1215
919	#############################################################################	1216	#############################################################################
920	# command handling &c	1217	# command handling &c
921		1218
922	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1233	}
937		1234
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1236
940	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
941		1242
942	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
943	called.	1244	called.
944		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
945	=cut	1257	=cut
946		1258
947	sub register_extcmd {	1259	sub register_extcmd {
948	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
949		1261
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
954	}	1269	}
955		1270
956	cf::player->attach (	1271	cf::player->attach (
957	on_command => sub {	1272	on_command => sub {
958	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1282	cf::override;
968	},	1283	},
969	on_extcmd => sub {	1284	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
971		1286
972	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1288
974	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
980	} else {	1304	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1306	}
983		1307
984	cf::override;	1308	cf::override;
985	},	1309	},
986	);	1310	);
987		1311
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
1065	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1317	next unless -r $path;
1067	eval {	1318
1068	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
1069	1	1375	}
1070	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
1071	}	1381	};
1072	}	1382	}
1073		1383
1074	#############################################################################	1384	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1385
1077	*cf::mapsupport::on_clean = sub {	1386	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1387
1090	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
1091		1389
1092	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
1093		1391
…		…
1099		1397
1100	=head3 cf::player	1398	=head3 cf::player
1101		1399
1102	=over 4	1400	=over 4
1103		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
1104	=item cf::player::find $login	1416	=item cf::player::find $login
1105		1417
1106	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
1107		1419
1108	=cut	1420	=cut
1109		1421
1110	sub playerdir($) {	1422	sub playerdir($) {
1111	cf::localdir	1423	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1425	}
1117		1426
1118	sub path($) {	1427	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1429
1121	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
1122	}	1431	}
1123		1432
1124	sub find_active($) {	1433	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
1129		1438
1130	sub exists($) {	1439	sub exists($) {
1131	my ($login) = @_;	1440	my ($login) = @_;
1132		1441
1133	$cf::PLAYER{$login}	1442	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1443	or cf::sync_job { !aio_stat path $login }
1135	}	1444	}
1136		1445
1137	sub find($) {	1446	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1447	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1448	my $login = $_[0];
1140		1449
1141	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
1142		1451
1143	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1147	}	1469	}
1148	}	1470	}
1149	}	1471	}
1150		1472
…		…
1159	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1160		1482
1161	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1163		1485
		1486	cf::get_slot 0.01;
		1487
1164	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1165	Coro::cede;	1489	cf::cede_to_tick;
1166	}	1490	}
1167		1491
1168	sub new($) {	1492	sub new($) {
1169	my ($login) = @_;	1493	my ($login) = @_;
1170		1494
…		…
1176	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1177		1501
1178	$self	1502	$self
1179	}	1503	}
1180		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1181	=item $pl->quit_character	1515	=item $pl->quit_character
1182		1516
1183	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1185		1519
1186	=cut	1520	=cut
1187		1521
1188	sub quit_character {	1522	sub quit_character {
1189	my ($pl) = @_;	1523	my ($pl) = @_;
1190		1524
		1525	my $name = $pl->ob->name;
		1526
1191	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1193		1529
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1196	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1197	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1198		1536
1199	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1204	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1205	}	1563	}
1206		1564
1207	=item cf::player::list_logins	1565	=item cf::player::list_logins
1208		1566
1209	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1211		1569
1212	=cut	1570	=cut
1213		1571
1214	sub list_logins {	1572	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1574	or return [];
1217		1575
1218	my @logins;	1576	my @logins;
1219		1577
1220	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1224		1588
1225	utf8::decode $login;	1589	utf8::decode $login;
1226	push @logins, $login;	1590	push @logins, $login;
1227	}	1591	}
1228		1592
1229	\@logins	1593	\@logins
1230	}	1594	}
1231		1595
1232	=item $player->maps	1596	=item $player->maps
1233		1597
1234	Returns an arrayref of cf::path's of all maps that are private for this	1598	Returns an arrayref of map paths that are private for this
1235	player. May block.	1599	player. May block.
1236		1600
1237	=cut	1601	=cut
1238		1602
1239	sub maps($) {	1603	sub maps($) {
1240	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1607
1242	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1243	or return;	1609	or return;
1244		1610
1245	my @paths;	1611	my @paths;
…		…
1247	for (@$files) {	1613	for (@$files) {
1248	utf8::decode $_;	1614	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1251		1617
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1618	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1619	}
1254		1620
1255	\@paths	1621	\@paths
1256	}	1622	}
1257		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1259		1720
1260	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1261		1722
1262	=cut	1723	=cut
1263		1724
1264	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1266		1727
1267	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1729	}
1271		1730
1272	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1273		1771
1274	=back	1772	=back
1275
1276		1773
1277	=head3 cf::map	1774	=head3 cf::map
1278		1775
1279	=over 4	1776	=over 4
1280		1777
…		…
1283	package cf::map;	1780	package cf::map;
1284		1781
1285	use Fcntl;	1782	use Fcntl;
1286	use Coro::AIO;	1783	use Coro::AIO;
1287		1784
		1785	use overload
		1786	'""' => \&as_string,
		1787	fallback => 1;
		1788
1288	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1290		1791
1291	sub generate_random_map {	1792	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293		1796
1294	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1798	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1802	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1803	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1804	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1805	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1806	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1807	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1809	(cf::region::find $rmp->{region}), $rmp->{custom}
		1810	)
		1811	}
		1812
		1813	=item cf::map->register ($regex, $prio)
		1814
		1815	Register a handler for the map path matching the given regex at the
		1816	givne priority (higher is better, built-in handlers have priority 0, the
		1817	default).
		1818
		1819	=cut
		1820
		1821	sub register {
		1822	my (undef, $regex, $prio) = @_;
		1823	my $pkg = caller;
		1824
		1825	no strict;
		1826	push @{"$pkg\::ISA"}, __PACKAGE__;
		1827
		1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1829	}
		1830
		1831	# also paths starting with '/'
		1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1833
		1834	sub thawer_merge {
		1835	my ($self, $merge) = @_;
		1836
		1837	# we have to keep some variables in memory intact
		1838	local $self->{path};
		1839	local $self->{load_path};
		1840
		1841	$self->SUPER::thawer_merge ($merge);
		1842	}
		1843
		1844	sub normalise {
		1845	my ($path, $base) = @_;
		1846
		1847	$path = "$path"; # make sure its a string
		1848
		1849	$path =~ s/\.map$//;
		1850
		1851	# map plan:
		1852	#
		1853	# /! non-realised random map exit (special hack!)
		1854	# {... are special paths that are not being touched
		1855	# ?xxx/... are special absolute paths
		1856	# ?random/... random maps
		1857	# /... normal maps
		1858	# ~user/... per-player map of a specific user
		1859
		1860	$path =~ s/$PATH_SEP/\//go;
		1861
		1862	# treat it as relative path if it starts with
		1863	# something that looks reasonable
		1864	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1865	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1866
		1867	$base =~ s{[^/]+/?$}{};
		1868	$path = "$base/$path";
		1869	}
		1870
		1871	for ($path) {
		1872	redo if s{//}{/};
		1873	redo if s{/\.?/}{/};
		1874	redo if s{/[^/]+/\.\./}{/};
		1875	}
		1876
		1877	$path
		1878	}
		1879
		1880	sub new_from_path {
		1881	my (undef, $path, $base) = @_;
		1882
		1883	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1884
		1885	$path = normalise $path, $base;
		1886
		1887	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1888	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1889	my $self = bless cf::map::new, $pkg;
		1890	$self->{path} = $path; $self->path ($path);
		1891	$self->init; # pass $1 etc.
		1892	return $self;
		1893	}
		1894	}
		1895
		1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1897	()
		1898	}
		1899
		1900	sub init {
		1901	my ($self) = @_;
		1902
		1903	$self
		1904	}
		1905
		1906	sub as_string {
		1907	my ($self) = @_;
		1908
		1909	"$self->{path}"
		1910	}
		1911
		1912	# the displayed name, this is a one way mapping
		1913	sub visible_name {
		1914	&as_string
		1915	}
		1916
		1917	# the original (read-only) location
		1918	sub load_path {
		1919	my ($self) = @_;
		1920
		1921	"$MAPDIR/$self->{path}.map"
		1922	}
		1923
		1924	# the temporary/swap location
		1925	sub save_path {
		1926	my ($self) = @_;
		1927
		1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1929	"$TMPDIR/$path.map"
		1930	}
		1931
		1932	# the unique path, undef == no special unique path
		1933	sub uniq_path {
		1934	my ($self) = @_;
		1935
		1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1937	"$UNIQUEDIR/$path"
1308	}	1938	}
1309		1939
1310	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1311	# all maps in C++...	1941	# all maps in C++...
1312	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1314		1944
1315	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1317	}	1947	}
1318		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
		1957	sub unlink_save {
		1958	my ($self) = @_;
		1959
		1960	utf8::encode (my $save = $self->save_path);
		1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1962	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1963	}
		1964
1319	sub try_load_header($) {	1965	sub load_header_from($) {
1320	my ($path) = @_;	1966	my ($self, $path) = @_;
1321		1967
1322	utf8::encode $path;	1968	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1324	or return;	1970	or return;
1325		1971
1326	my $map = cf::map::new	1972	$self->_load_header ($f)
1327	or return;	1973	or return;
1328		1974
1329	# for better error messages only, will be overwritten	1975	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1976	$f->resolve_delayed_derefs;
1331		1977
1332	$map->load_header ($path)	1978	$self->{load_path} = $path;
		1979
		1980	1
		1981	}
		1982
		1983	sub load_header_orig {
		1984	my ($self) = @_;
		1985
		1986	$self->load_header_from ($self->load_path)
		1987	}
		1988
		1989	sub load_header_temp {
		1990	my ($self) = @_;
		1991
		1992	$self->load_header_from ($self->save_path)
		1993	}
		1994
		1995	sub prepare_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->last_access ((delete $self->{last_access})
		1999	|| $cf::RUNTIME); #d#
		2000	# safety
		2001	$self->{instantiate_time} = $cf::RUNTIME
		2002	if $self->{instantiate_time} > $cf::RUNTIME;
		2003	}
		2004
		2005	sub prepare_orig {
		2006	my ($self) = @_;
		2007
		2008	$self->{load_original} = 1;
		2009	$self->{instantiate_time} = $cf::RUNTIME;
		2010	$self->last_access ($cf::RUNTIME);
		2011	$self->instantiate;
		2012	}
		2013
		2014	sub load_header {
		2015	my ($self) = @_;
		2016
		2017	if ($self->load_header_temp) {
		2018	$self->prepare_temp;
		2019	} else {
		2020	$self->load_header_orig
1333	or return;	2021	or return;
		2022	$self->prepare_orig;
		2023	}
1334		2024
1335	$map->{load_path} = $path;	2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
1336		2027
1337	$map	2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
		2031	1
1338	}	2032	}
1339		2033
1340	sub find;	2034	sub find;
1341	sub find {	2035	sub find {
1342	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1343		2037
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1349	cf::lock_wait "map_find:$key";	2041	cf::lock_wait "map_find:$path";
1350		2042
1351	$cf::MAP{$key} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1352	my $guard = cf::lock_acquire "map_find:$key";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
1353		2046
1354	# do it the slow way	2047	my $map = new_from_path cf::map $path
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	2048	or return;
1373		2049
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1386		2051
1387	Coro::cede;	2052	$map->load_header
		2053	or return;
1388		2054
1389	if ($map->should_reset) {	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2056	# doing this can freeze the server in a sync job, obviously
		2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1390	$map->reset;	2060	$map->reset;
1391	undef $guard;
1392	$map = find $path	2061	return find $path;
1393	or return;
1394	}	2062	}
1395		2063
1396	$cf::MAP{$key} = $map	2064	$cf::MAP{$path} = $map
1397	}	2065	}
1398	}	2066	}
		2067
		2068	sub pre_load { }
		2069	sub post_load { }
1399		2070
1400	sub load {	2071	sub load {
1401	my ($self) = @_;	2072	my ($self) = @_;
1402		2073
		2074	local $self->{deny_reset} = 1; # loading can take a long time
		2075
1403	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2079	my $guard = cf::lock_acquire "map_data:$path";
1405		2080
		2081	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2083
1408	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1409		2085
1410	$self->alloc;	2086	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2087
		2088	$self->pre_load;
		2089	cf::cede_to_tick;
		2090
		2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1412	or return;	2094	or return;
1413		2095
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1415	if delete $self->{load_original};	2097	if delete $self->{load_original};
1416		2098
1417	if (my $uniq = $path->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2100	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2103	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1422	}	2107	}
1423	}	2108	}
1424		2109
1425	Coro::cede;	2110	$f->resolve_delayed_derefs;
1426		2111
		2112	cf::cede_to_tick;
1427	# now do the right thing for maps	2113	# now do the right thing for maps
1428	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2116	unless $self->difficulty;
		2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1440	$self->activate;	2126	$self->activate;
1441	}	2127	}
1442		2128
1443	Coro::cede;	2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
1444		2131
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2132	$self->in_memory (cf::MAP_ACTIVE);
		2133	}
		2134
		2135	$self->post_load;
		2136	}
		2137
		2138	sub customise_for {
		2139	my ($self, $ob) = @_;
		2140
		2141	return find "~" . $ob->name . "/" . $self->{path}
		2142	if $self->per_player;
		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
		2147	$self
1446	}	2148	}
1447		2149
1448	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2151	sub load_neighbours {
1450	my ($map) = @_;	2152	my ($map) = @_;
1451		2153
1452	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1453		2155
1454	for (0 .. 3) {	2156	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1456	or next;	2158	or next;
1457	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1458	or next;	2160	or next;
1459	$neigh->load;	2161	$neigh->load;
1460		2162
		2163	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2166	}
1464		2167
1465	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1467	or next;	2171	or next;
1468	$neigh->load;	2172	$neigh->load;
1469	}	2173	}
1470	}	2174	}
1471		2175
…		…
1476	}	2180	}
1477		2181
1478	sub do_load_sync {	2182	sub do_load_sync {
1479	my ($map) = @_;	2183	my ($map) = @_;
1480		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1481	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1482	}	2189	}
1483		2190
1484	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
		2192	our $MAP_PREFETCHER = undef;
		2193
		2194	sub find_async {
		2195	my ($path, $origin, $load) = @_;
		2196
		2197	$path = normalise $path, $origin && $origin->{path};
		2198
		2199	if (my $map = $cf::MAP{$path}) {
		2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
1485	our $MAP_PREFETCHER = Coro::async {	2205	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2206	$Coro::current->{desc} = "map prefetcher";
		2207
1487	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
1490	my $path = delete $MAP_PREFETCH{$key};	2214	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2215	}
1496	Coro::schedule;	2216	}
		2217	undef $MAP_PREFETCHER;
1497	}	2218	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1512		2220
1513	()	2221	()
1514	}	2222	}
1515		2223
1516	sub save {	2224	sub save {
1517	my ($self) = @_;	2225	my ($self) = @_;
1518		2226
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2228
1521	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1522		2230
1523	return unless $self->dirty;	2231	return unless $self->dirty;
1524		2232
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2233	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2234	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2235
1528	$self->{load_path} = $save;	2236	$self->{load_path} = $save;
1529		2237
1530	return if $self->{deny_save};	2238	return if $self->{deny_save};
1531		2239
1532	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1533		2241
1534	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1536	};	2245	};
1537		2246
		2247	cf::get_slot 0.02;
		2248
1538	if ($uniq) {	2249	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2252	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2254	}
1544	}	2255	}
1545		2256
1546	sub swap_out {	2257	sub swap_out {
1547	my ($self) = @_;	2258	my ($self) = @_;
1548		2259
1549	# save first because save cedes	2260	# save first because save cedes
1550	$self->save;	2261	$self->save;
1551		2262
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2264
1554	return if $self->players;	2265	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1556	return if $self->{deny_save};	2267	return if $self->{deny_save};
1557		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2273	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2274	}
1561		2275
1562	sub reset_at {	2276	sub reset_at {
1563	my ($self) = @_;	2277	my ($self) = @_;
1564		2278
1565	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1568		2281
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2284
…		…
1576	my ($self) = @_;	2289	my ($self) = @_;
1577		2290
1578	$self->reset_at <= $cf::RUNTIME	2291	$self->reset_at <= $cf::RUNTIME
1579	}	2292	}
1580		2293
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2294	sub reset {
1603	my ($self) = @_;	2295	my ($self) = @_;
1604		2296
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2298
1607	return if $self->players;	2299	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2300
1610	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1611		2312
1612	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1613		2314
		2315	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2316	$_->clear_links_to ($self) for values %cf::MAP;
		2317	$self->clear;
1615		2318
1616	$self->unlink_save;	2319	$self->unlink_save;
1617	$self->destroy;	2320	$self->destroy;
1618	}	2321	}
1619		2322
1620	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1621		2324
1622	sub nuke {	2325	sub nuke {
1623	my ($self) = @_;	2326	my ($self) = @_;
1624		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
		2331	delete $cf::MAP{$self->path};
		2332
		2333	$self->unlink_save;
		2334
		2335	bless $self, "cf::map";
		2336	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2340
		2341	$cf::MAP{$self->path} = $self;
		2342	}
		2343
1628	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
1629	}	2345	}
1630		2346
1631	sub customise_for {	2347	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2348
1634	if ($map->per_player) {	2349	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
1636	}	2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
1637		2364
1638	$map	2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1639	}	2381	}
1640		2382
1641	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1642		2384
1643	Returns an arrayref of cf::path's of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2386	instantiated unique items. May block.
1645		2387
1646	=cut	2388	=cut
1647		2389
1648	sub unique_maps() {	2390	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1650	or return;	2392	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2393	utf8::decode $_;
1656	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1657	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658		2396	? ()
1659	push @paths, new cf::path $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2399	]
1661
1662	\@paths
1663	}	2400	}
1664
1665	package cf;
1666		2401
1667	=back	2402	=back
1668		2403
1669	=head3 cf::object	2404	=head3 cf::object
1670		2405
…		…
1674		2409
1675	=over 4	2410	=over 4
1676		2411
1677	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1678		2413
1679	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1680		2416
1681	=cut	2417	=cut
1682		2418
1683	sub inv_recursive_;	2419	sub inv_recursive_;
1684	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1687		2423
1688	sub inv_recursive {	2424	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1690	}	2426	}
1691		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1692	package cf;	2456	package cf;
1693		2457
1694	=back	2458	=back
1695		2459
1696	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1704	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1705		2469
1706	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1707		2485
1708	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1709	# with dialog boxes.	2487	# with dialog boxes.
1710	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1711	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1713		2491
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2493
1716	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1718	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1721	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1722	}	2519	}
1723		2520
1724	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1725		2522
1726	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1739		2536
1740	=item $player_object->enter_link	2537	=item $player_object->enter_link
1741		2538
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2539	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2540
1744	The player should be reaosnably safe there for short amounts of time. You	2541	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2542	I<MUST> call C<leave_link> as soon as possible, though.
1746		2543
		2544	Will never block.
		2545
1747	=item $player_object->leave_link ($map, $x, $y)	2546	=item $player_object->leave_link ($map, $x, $y)
1748		2547
1749	Moves the player out of the specila link map onto the given map. If the	2548	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2549	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2550	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2551	fails, to the emergency map position.
1753		2552
1754	Might block.	2553	Might block.
1755		2554
1756	=cut	2555	=cut
		2556
		2557	sub link_map {
		2558	unless ($LINK_MAP) {
		2559	$LINK_MAP = cf::map::find "{link}"
		2560	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2561	$LINK_MAP->load;
		2562	}
		2563
		2564	$LINK_MAP
		2565	}
1757		2566
1758	sub cf::object::player::enter_link {	2567	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2568	my ($self) = @_;
1760		2569
1761	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1762		2571
1763	return if $self->map == $LINK_MAP;	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2573
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1767		2576
1768	$self->enter_map ($LINK_MAP, 20, 20);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2578	}
1770		2579
1771	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1773		2584
1774	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1775		2586
1776	unless ($map) {	2587	unless ($map) {
1777	# restore original map position	2588	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1794		2605
1795	$map->load;	2606	$map->load;
1796	$map->load_diag;	2607	$map->load_neighbours;
1797		2608
1798	return unless $self->contr->active;	2609	return unless $self->contr->active;
1799	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1801	}	2614	}
1802		2615
1803	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2617
1807	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1811	};	2622	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2623
1817	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1818	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834		2626
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1838		2630
1839	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2633
1842	$path = new cf::path $path;	2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2636
1844	$self->enter_link;	2637	$self->enter_link;
1845		2638
1846	(async {	2639	(async {
1847	my $map = cf::map::find $path->as_string;	2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
		2661	my $map = eval {
		2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
1849		2666	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2667	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
1854		2670
		2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
		2677	}
		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1856	})->prio (1);	2685	})->prio (1);
1857	}	2686	}
1858		2687
1859	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1860		2689
…		…
1862		2691
1863	sub parse_random_map_params {	2692	sub parse_random_map_params {
1864	my ($spec) = @_;	2693	my ($spec) = @_;
1865		2694
1866	my $rmp = { # defaults	2695	my $rmp = { # defaults
1867	xsize => 10,	2696	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2697	ysize => (cf::rndm 15, 40),
		2698	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2699	#layout => string,
1869	};	2700	};
1870		2701
1871	for (split /\n/, $spec) {	2702	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2703	my ($k, $v) = split /\s+/, $_, 2;
1873		2704
…		…
1885	# that depends on the exit object	2716	# that depends on the exit object
1886		2717
1887	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
1888		2719
1889	if ($exit->map) {	2720	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2721	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1894	}	2727	}
1895		2728
1896	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1897		2730
1898	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
		2733	my $meta = "$RANDOMDIR/$md5.meta";
1900		2734
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
		2737	undef $fh;
		2738	aio_rename "$meta~", $meta;
1903		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1904	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1906	}	2746	}
1907	}	2747	}
1908		2748
1909	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
…		…
1912	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1913		2753
1914	$self->enter_link;	2754	$self->enter_link;
1915		2755
1916	(async {	2756	(async {
1917	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1918	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
1919	prepare_random_map $exit	2766	prepare_random_map $exit
1920	if $exit->slaying eq "/!";	2767	if $exit->slaying eq "/!";
		2768	}
1921		2769
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
1924		2773
		2774	$self->goto ($map, $x, $y);
		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1925	1;	2780	1
1926	}) {	2781	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2786
1932	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2788	$self->leave_link;
1934	}	2789	}
1935	})->prio (1);	2790	})->prio (1);
…		…
1948		2803
1949	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1951		2806
1952	utf8::encode $text;	2807	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2809	}
1955		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	my $pkt = "msg "
		2913	. $self->{json_coder}->encode (
		2914	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2915	);
		2916
		2917	# try lzf for large packets
		2918	$pkt = "lzf " . Compress::LZF::compress $pkt
		2919	if 1024 <= length $pkt and $self->{can_lzf};
		2920
		2921	# split very large packets
		2922	if (8192 < length $pkt and $self->{can_lzf}) {
		2923	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2924	$pkt = "frag";
		2925	}
		2926
		2927	$self->send_packet ($pkt);
		2928	} else {
		2929	if ($color >= 0) {
		2930	# replace some tags by gcfclient-compatible ones
		2931	for ($msg) {
		2932	1 while
		2933	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2934	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2935	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2936	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2937	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2938	}
		2939
		2940	$color &= cf::NDI_COLOR_MASK;
		2941
		2942	utf8::encode $msg;
		2943
		2944	if (0 && $msg =~ /\[/) {
		2945	# COMMAND/INFO
		2946	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2947	} else {
		2948	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2949	$self->send_packet ("drawinfo $color $msg")
		2950	}
		2951	}
		2952	}
		2953	}
		2954
		2955	=item $client->ext_msg ($type, @msg)
		2956
		2957	Sends an ext event to the client.
		2958
		2959	=cut
		2960
		2961	sub cf::client::ext_msg($$@) {
		2962	my ($self, $type, @msg) = @_;
		2963
		2964	if ($self->extcmd == 2) {
		2965	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2966	} elsif ($self->extcmd == 1) { # TODO: remove
		2967	push @msg, msgtype => "event_$type";
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
		2971
		2972	=item $client->ext_reply ($msgid, @msg)
		2973
		2974	Sends an ext reply to the client.
		2975
		2976	=cut
		2977
		2978	sub cf::client::ext_reply($$@) {
		2979	my ($self, $id, @msg) = @_;
		2980
		2981	if ($self->extcmd == 2) {
		2982	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2983	} elsif ($self->extcmd == 1) {
		2984	#TODO: version 1, remove
		2985	unshift @msg, msgtype => "reply", msgid => $id;
		2986	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2987	}
		2988	}
1956		2989
1957	=item $success = $client->query ($flags, "text", \&cb)	2990	=item $success = $client->query ($flags, "text", \&cb)
1958		2991
1959	Queues a query to the client, calling the given callback with	2992	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2993	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2994	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2995
1963	Queries can fail, so check the return code. Or don't, as queries will become	2996	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2997	become reliable at some point in the future.
1965		2998
1966	=cut	2999	=cut
1967		3000
1968	sub cf::client::query {	3001	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	3002	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	3010	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3011	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		3012
1980	$self->send_packet ($self->{query_queue}[0][0])	3013	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	3014	if @{ $self->{query_queue} } == 1;
		3015
		3016	1
1982	}	3017	}
1983		3018
1984	cf::client->attach (	3019	cf::client->attach (
		3020	on_connect => sub {
		3021	my ($ns) = @_;
		3022
		3023	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3024	},
1985	on_reply => sub {	3025	on_reply => sub {
1986	my ($ns, $msg) = @_;	3026	my ($ns, $msg) = @_;
1987		3027
1988	# this weird shuffling is so that direct followup queries	3028	# this weird shuffling is so that direct followup queries
1989	# get handled first	3029	# get handled first
1990	my $queue = delete $ns->{query_queue}	3030	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	3031	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		3032
1993	(shift @$queue)->[1]->($msg);	3033	(shift @$queue)->[1]->($msg);
		3034	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		3035
1995	push @{ $ns->{query_queue} }, @$queue;	3036	push @{ $ns->{query_queue} }, @$queue;
1996		3037
1997	if (@{ $ns->{query_queue} } == @$queue) {	3038	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	3039	if (@$queue) {
…		…
2000	} else {	3041	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3042	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	3043	}
2003	}	3044	}
2004	},	3045	},
		3046	on_exticmd => sub {
		3047	my ($ns, $buf) = @_;
		3048
		3049	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3050
		3051	if (ref $msg) {
		3052	my ($type, $reply, @payload) =
		3053	"ARRAY" eq ref $msg
		3054	? @$msg
		3055	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3056
		3057	my @reply;
		3058
		3059	if (my $cb = $EXTICMD{$type}) {
		3060	@reply = $cb->($ns, @payload);
		3061	}
		3062
		3063	$ns->ext_reply ($reply, @reply)
		3064	if $reply;
		3065
		3066	} else {
		3067	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3068	}
		3069
		3070	cf::override;
		3071	},
2005	);	3072	);
2006		3073
2007	=item $client->async (\&cb)	3074	=item $client->async (\&cb)
2008		3075
2009	Create a new coroutine, running the specified callback. The coroutine will	3076	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	3117	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3118	our $safe_hole = new Safe::Hole;
2052		3119
2053	$SIG{FPE} = 'IGNORE';	3120	$SIG{FPE} = 'IGNORE';
2054		3121
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3122	$safe->permit_only (Opcode::opset qw(
		3123	:base_core :base_mem :base_orig :base_math
		3124	grepstart grepwhile mapstart mapwhile
		3125	sort time
		3126	));
2056		3127
2057	# here we export the classes and methods available to script code	3128	# here we export the classes and methods available to script code
2058		3129
2059	=pod	3130	=pod
2060		3131
2061	The following fucntions and emthods are available within a safe environment:	3132	The following functions and methods are available within a safe environment:
2062		3133
2063	cf::object contr pay_amount pay_player map	3134	cf::object
		3135	contr pay_amount pay_player map x y force_find force_add destroy
		3136	insert remove name archname title slaying race decrease split
		3137
2064	cf::object::player player	3138	cf::object::player
2065	cf::player peaceful	3139	player
2066	cf::map trigger	3140
		3141	cf::player
		3142	peaceful
		3143
		3144	cf::map
		3145	trigger
2067		3146
2068	=cut	3147	=cut
2069		3148
2070	for (	3149	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3150	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3151	insert remove inv nrof name archname title slaying race
		3152	decrease split destroy change_exp)],
2072	["cf::object::player" => qw(player)],	3153	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3154	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	3155	["cf::map" => qw(trigger)],
2075	) {	3156	) {
2076	no strict 'refs';	3157	no strict 'refs';
…		…
2147	=back	3228	=back
2148		3229
2149	=cut	3230	=cut
2150		3231
2151	#############################################################################	3232	#############################################################################
		3233	# the server's init and main functions
2152		3234
2153	=head2 EXTENSION DATABASE SUPPORT	3235	sub load_facedata($) {
		3236	my ($path) = @_;
2154		3237
2155	Crossfire maintains a very simple database for extension use. It can	3238	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3239	# for this (global event?)
2157	excludes objects.	3240	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3241
2159	The parameter C<$family> should best start with the name of the extension	3242	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3243
2162	=over 4	3244	warn "loading facedata from $path\n";
2163		3245
2164	=item $hashref = cf::db_get $family	3246	my $facedata;
		3247	0 < aio_load $path, $facedata
		3248	or die "$path: $!";
2165		3249
2166	Return a hashref for use by the extension C<$family>, which can be	3250	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3251
2170	=item $value = cf::db_get $family => $key	3252	$facedata->{version} == 2
		3253	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3254
2172	Returns a single value from the database	3255	# patch in the exptable
2173		3256	$facedata->{resource}{"res/exp_table"} = {
2174	=item cf::db_put $family => $hashref	3257	type => FT_RSRC,
2175		3258	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3259	};
		3260	cf::cede_to_tick;
2225		3261
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3262	{
		3263	my $faces = $facedata->{faceinfo};
2230		3264
2231	sub db_get($;$) {	3265	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3266	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3267
2237	sub db_put($$;$) {	3268	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3269	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3270	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2240	} else {	3271	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3272
2246	cf::global->attach (	3273	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3274	}
2251	);
2252	}
2253		3275
2254	#############################################################################	3276	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3277	next unless $info->{smooth};
2256		3278
2257	sub cfg_load {	3279	my $idx = cf::face::find $face
		3280	or next;
		3281
		3282	if (my $smooth = cf::face::find $info->{smooth}) {
		3283	cf::face::set_smooth $idx, $smooth;
		3284	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3285	} else {
		3286	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3287	}
		3288
		3289	cf::cede_to_tick;
		3290	}
		3291	}
		3292
		3293	{
		3294	my $anims = $facedata->{animinfo};
		3295
		3296	while (my ($anim, $info) = each %$anims) {
		3297	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3298	cf::cede_to_tick;
		3299	}
		3300
		3301	cf::anim::invalidate_all; # d'oh
		3302	}
		3303
		3304	{
		3305	# TODO: for gcfclient pleasure, we should give resources
		3306	# that gcfclient doesn't grok a >10000 face index.
		3307	my $res = $facedata->{resource};
		3308
		3309	while (my ($name, $info) = each %$res) {
		3310	if (defined $info->{type}) {
		3311	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3312	my $data;
		3313
		3314	if ($info->{type} & 1) {
		3315	# prepend meta info
		3316
		3317	my $meta = $enc->encode ({
		3318	name => $name,
		3319	%{ $info->{meta} || {} },
		3320	});
		3321
		3322	$data = pack "(w/a*)*", $meta, $info->{data};
		3323	} else {
		3324	$data = $info->{data};
		3325	}
		3326
		3327	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3328	cf::face::set_type $idx, $info->{type};
		3329	} else {
		3330	$RESOURCE{$name} = $info;
		3331	}
		3332
		3333	cf::cede_to_tick;
		3334	}
		3335	}
		3336
		3337	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3338
		3339	1
		3340	}
		3341
		3342	cf::global->attach (on_resource_update => sub {
		3343	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3344	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3345
		3346	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3347	my $sound = $soundconf->{compat}[$_]
		3348	or next;
		3349
		3350	my $face = cf::face::find "sound/$sound->[1]";
		3351	cf::sound::set $sound->[0] => $face;
		3352	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3353	}
		3354
		3355	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3356	my $face = cf::face::find "sound/$v";
		3357	cf::sound::set $k => $face;
		3358	}
		3359	}
		3360	});
		3361
		3362	register_exticmd fx_want => sub {
		3363	my ($ns, $want) = @_;
		3364
		3365	while (my ($k, $v) = each %$want) {
		3366	$ns->fx_want ($k, $v);
		3367	}
		3368	};
		3369
		3370	sub load_resource_file($) {
		3371	my $guard = lock_acquire "load_resource_file";
		3372
		3373	my $status = load_resource_file_ $_[0];
		3374	get_slot 0.1, 100;
		3375	cf::arch::commit_load;
		3376
		3377	$status
		3378	}
		3379
		3380	sub reload_regions {
		3381	# HACK to clear player env face cache, we need some signal framework
		3382	# for this (global event?)
		3383	%ext::player_env::MUSIC_FACE_CACHE = ();
		3384
		3385	load_resource_file "$MAPDIR/regions"
		3386	or die "unable to load regions file\n";
		3387
		3388	for (cf::region::list) {
		3389	$_->{match} = qr/$_->{match}/
		3390	if exists $_->{match};
		3391	}
		3392	}
		3393
		3394	sub reload_facedata {
		3395	load_facedata "$DATADIR/facedata"
		3396	or die "unable to load facedata\n";
		3397	}
		3398
		3399	sub reload_archetypes {
		3400	load_resource_file "$DATADIR/archetypes"
		3401	or die "unable to load archetypes\n";
		3402	}
		3403
		3404	sub reload_treasures {
		3405	load_resource_file "$DATADIR/treasures"
		3406	or die "unable to load treasurelists\n";
		3407	}
		3408
		3409	sub reload_resources {
		3410	warn "reloading resource files...\n";
		3411
		3412	reload_facedata;
		3413	reload_archetypes;
		3414	reload_regions;
		3415	reload_treasures;
		3416
		3417	warn "finished reloading resource files\n";
		3418	}
		3419
		3420	sub init {
		3421	my $guard = freeze_mainloop;
		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	reload_resources;
		3426	}
		3427
		3428	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3429	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3430	or return;
2260		3431
2261	local $/;	3432	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3433	*CFG = YAML::Load <$fh>;
2263		3434
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3435	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3436
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3437	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3438	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2277		3448
2278	sub main {	3449	sub main {
2279	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3453	(async {
		3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
		3456	})->prio (Coro::PRIO_MAX);
2283	};	3457	};
2284		3458
2285	cfg_load;	3459	{
2286	db_load;	3460	my $guard = freeze_mainloop;
		3461	reload_config;
		3462	db_init;
2287	load_extensions;	3463	load_extensions;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466	}
		3467
2288	Event::loop;	3468	EV::loop;
2289	}	3469	}
2290		3470
2291	#############################################################################	3471	#############################################################################
2292	# initialisation and cleanup	3472	# initialisation and cleanup
2293		3473
2294	# install some emergency cleanup handlers	3474	# install some emergency cleanup handlers
2295	BEGIN {	3475	BEGIN {
		3476	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3477	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3478	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3479	cf::cleanup "SIG$signal";
2302	},
2303	);	3480	};
		3481	}
		3482	}
		3483
		3484	sub write_runtime_sync {
		3485	my $runtime = "$LOCALDIR/runtime";
		3486
		3487	# first touch the runtime file to show we are still running:
		3488	# the fsync below can take a very very long time.
		3489
		3490	IO::AIO::aio_utime $runtime, undef, undef;
		3491
		3492	my $guard = cf::lock_acquire "write_runtime";
		3493
		3494	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3495	or return;
		3496
		3497	my $value = $cf::RUNTIME + 90 + 10;
		3498	# 10 is the runtime save interval, for a monotonic clock
		3499	# 60 allows for the watchdog to kill the server.
		3500
		3501	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3502	and return;
		3503
		3504	# always fsync - this file is important
		3505	aio_fsync $fh
		3506	and return;
		3507
		3508	# touch it again to show we are up-to-date
		3509	aio_utime $fh, undef, undef;
		3510
		3511	close $fh
		3512	or return;
		3513
		3514	aio_rename "$runtime~", $runtime
		3515	and return;
		3516
		3517	warn "runtime file written.\n";
		3518
2304	}	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3537	$uuid_skip = 0;
		3538
		3539	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3540	and return;
		3541
		3542	# always fsync - this file is important
		3543	aio_fsync $fh
		3544	and return;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$uuid~", $uuid
		3550	and return;
		3551
		3552	warn "uuid file written ($value).\n";
		3553
		3554	1
		3555
		3556	}
		3557
		3558	sub write_uuid($$) {
		3559	my ($skip, $sync) = @_;
		3560
		3561	$sync ? write_uuid_sync $skip
		3562	: async { write_uuid_sync $skip };
2305	}	3563	}
2306		3564
2307	sub emergency_save() {	3565	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3566	my $freeze_guard = cf::freeze_mainloop;
2309		3567
2310	warn "enter emergency perl save\n";	3568	warn "enter emergency perl save\n";
2311		3569
2312	cf::sync_job {	3570	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	3571	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3572	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3573	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3574	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3575	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3576	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3577	$pl->valid or next;
		3578	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3579	$pl->save;
2321	}	3580	}
2322	warn "end emergency player save\n";	3581	warn "end emergency player save\n";
2323		3582
2324	warn "begin emergency map save\n";	3583	warn "begin emergency map save\n";
…		…
2326	my $map = $cf::MAP{$path} or next;	3585	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3586	$map->valid or next;
2328	$map->save;	3587	$map->save;
2329	}	3588	}
2330	warn "end emergency map save\n";	3589	warn "end emergency map save\n";
		3590
		3591	warn "begin emergency database checkpoint\n";
		3592	BDB::db_env_txn_checkpoint $DB_ENV;
		3593	warn "end emergency database checkpoint\n";
		3594
		3595	warn "begin write uuid\n";
		3596	write_uuid_sync 1;
		3597	warn "end write uuid\n";
2331	};	3598	};
2332		3599
2333	warn "leave emergency perl save\n";	3600	warn "leave emergency perl save\n";
2334	}	3601	}
2335		3602
		3603	sub post_cleanup {
		3604	my ($make_core) = @_;
		3605
		3606	warn Carp::longmess "post_cleanup backtrace"
		3607	if $make_core;
		3608	}
		3609
		3610	# a safer delete_package, copied from Symbol
		3611	sub clear_package($) {
		3612	my $pkg = shift;
		3613
		3614	# expand to full symbol table name if needed
		3615	unless ($pkg =~ /^main::.*::$/) {
		3616	$pkg = "main$pkg" if $pkg =~ /^::/;
		3617	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3618	$pkg .= '::' unless $pkg =~ /::$/;
		3619	}
		3620
		3621	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3622	my $stem_symtab = *{$stem}{HASH};
		3623
		3624	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3625	or return;
		3626
		3627	# clear all symbols
		3628	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3629	for my $name (keys %$leaf_symtab) {
		3630	_gv_clear *{"$pkg$name"};
		3631	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3632	}
		3633	warn "cleared package #$pkg\n";#d#
		3634	}
		3635
		3636	our $RELOAD; # how many times to reload
		3637
2336	sub reload() {	3638	sub do_reload_perl() {
2337	# can/must only be called in main	3639	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3640	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3641	warn "can only reload from main coroutine";
2340	return;	3642	return;
2341	}	3643	}
2342		3644
		3645	return if $RELOAD++;
		3646
		3647	while ($RELOAD) {
2343	warn "reloading...";	3648	warn "reloading...";
2344		3649
2345	my $guard = freeze_mainloop;	3650	warn "entering sync_job";
		3651
		3652	cf::sync_job {
		3653	cf::write_runtime_sync; # external watchdog should not bark
2346	cf::emergency_save;	3654	cf::emergency_save;
		3655	cf::write_runtime_sync; # external watchdog should not bark
2347		3656
2348	eval {	3657	warn "syncing database to disk";
		3658	BDB::db_env_txn_checkpoint $DB_ENV;
		3659
2349	# if anything goes wrong in here, we should simply crash as we already saved	3660	# if anything goes wrong in here, we should simply crash as we already saved
2350		3661
2351	# cancel all watchers	3662	warn "flushing outstanding aio requests";
2352	for (Event::all_watchers) {	3663	while (IO::AIO::nreqs || BDB::nreqs) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3664	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354	}
2355
2356	# cancel all extension coros
2357	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();
2359
2360	# unload all extensions
2361	for (@exts) {
2362	warn "unloading <$_>";
2363	unload_extension $_;
2364	}
2365
2366	# unload all modules loaded from $LIBDIR
2367	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370	warn "removing <$k>";
2371	delete $INC{$k};
2372
2373	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;
2375
2376	if (my $cb = $k->can ("unload_module")) {
2377	$cb->();
2378	}	3665	}
2379		3666
2380	Symbol::delete_package $k;	3667	warn "cancelling all extension coros";
		3668	$_->cancel for values %EXT_CORO;
		3669	%EXT_CORO = ();
		3670
		3671	warn "removing commands";
		3672	%COMMAND = ();
		3673
		3674	warn "removing ext/exti commands";
		3675	%EXTCMD = ();
		3676	%EXTICMD = ();
		3677
		3678	warn "unloading/nuking all extensions";
		3679	for my $pkg (@EXTS) {
		3680	warn "... unloading $pkg";
		3681
		3682	if (my $cb = $pkg->can ("unload")) {
		3683	eval {
		3684	$cb->($pkg);
		3685	1
		3686	} or warn "$pkg unloaded, but with errors: $@";
		3687	}
		3688
		3689	warn "... clearing $pkg";
		3690	clear_package $pkg;
2381	}	3691	}
2382		3692
2383	# sync database to disk	3693	warn "unloading all perl modules loaded from $LIBDIR";
2384	cf::db_sync;	3694	while (my ($k, $v) = each %INC) {
2385	IO::AIO::flush;	3695	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386		3696
		3697	warn "... unloading $k";
		3698	delete $INC{$k};
		3699
		3700	$k =~ s/\.pm$//;
		3701	$k =~ s/\//::/g;
		3702
		3703	if (my $cb = $k->can ("unload_module")) {
		3704	$cb->();
		3705	}
		3706
		3707	clear_package $k;
		3708	}
		3709
2387	# get rid of safe::, as good as possible	3710	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3711	clear_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3712	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3713
2391	# remove register_script_function callbacks	3714	warn "unloading cf.pm \"a bit\"";
2392	# TODO
2393
2394	# unload cf.pm "a bit"
2395	delete $INC{"cf.pm"};	3715	delete $INC{"cf.pm"};
		3716	delete $INC{"cf/pod.pm"};
2396		3717
2397	# don't, removes xs symbols, too,	3718	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3719	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3720	#clear_package __PACKAGE__;
2400		3721
2401	# reload cf.pm	3722	warn "unload completed, starting to reload now";
		3723
2402	warn "reloading cf.pm";	3724	warn "reloading cf.pm";
2403	require cf;	3725	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3726	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3727
2406	# load config and database again	3728	warn "loading config and database again";
2407	cf::cfg_load;	3729	cf::reload_config;
2408	cf::db_load;
2409		3730
2410	# load extensions
2411	warn "load extensions";	3731	warn "loading extensions";
2412	cf::load_extensions;	3732	cf::load_extensions;
2413		3733
2414	# reattach attachments to objects	3734	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3735	_global_reattach; # objects, sockets
2416	_global_reattach;	3736	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3737	reattach $_ for values %MAP;
		3738	warn "reattaching attachments to players";
		3739	reattach $_ for values %PLAYER;
		3740
		3741	warn "leaving sync_job";
		3742
		3743	1
		3744	} or do {
		3745	warn $@;
		3746	cf::cleanup "error while reloading, exiting.";
		3747	};
		3748
		3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752	};
		3753
		3754	our $RELOAD_WATCHER; # used only during reload
		3755
		3756	sub reload_perl() {
		3757	# doing reload synchronously and two reloads happen back-to-back,
		3758	# coro crashes during coro_state_free->destroy here.
		3759
		3760	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3761	do_reload_perl;
		3762	undef $RELOAD_WATCHER;
2418	};	3763	};
2419
2420	if ($@) {
2421	warn $@;
2422	warn "error while reloading, exiting.";
2423	exit 1;
2424	}
2425
2426	warn "reloaded successfully";
2427	};
2428
2429	#############################################################################
2430
2431	unless ($LINK_MAP) {
2432	$LINK_MAP = cf::map::new;
2433
2434	$LINK_MAP->width (41);
2435	$LINK_MAP->height (41);
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3764	}
2471
2472	register "<global>", __PACKAGE__;
2473		3765
2474	register_command "reload" => sub {	3766	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3767	my ($who, $arg) = @_;
2476		3768
2477	if ($who->flag (FLAG_WIZ)) {	3769	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3770	$who->message ("reloading server.");
		3771	async {
		3772	$Coro::current->{desc} = "perl_reload";
		3773	reload_perl;
		3774	};
2481	}	3775	}
2482	};	3776	};
2483		3777
2484	unshift @INC, $LIBDIR;	3778	unshift @INC, $LIBDIR;
2485		3779
2486	$TICK_WATCHER = Event->timer (	3780	my $bug_warning = 0;
2487	reentrant => 0,	3781
2488	prio => 0,	3782	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	3783	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	3784
2491	cb => sub {	3785	sub wait_for_tick {
		3786	return if tick_inhibit || $Coro::current == $Coro::main;
		3787
		3788	my $signal = new Coro::Signal;
		3789	push @WAIT_FOR_TICK, $signal;
		3790	$signal->wait;
		3791	}
		3792
		3793	sub wait_for_tick_begin {
		3794	return if tick_inhibit || $Coro::current == $Coro::main;
		3795
		3796	my $signal = new Coro::Signal;
		3797	push @WAIT_FOR_TICK_BEGIN, $signal;
		3798	$signal->wait;
		3799	}
		3800
		3801	sub tick {
		3802	if ($Coro::current != $Coro::main) {
		3803	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3804	unless ++$bug_warning > 10;
		3805	return;
		3806	}
		3807
2492	cf::server_tick; # one server iteration	3808	cf::server_tick; # one server iteration
2493	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;
2495		3809
2496	$WAIT_FOR_TICK->broadcast;	3810	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3811	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2498		3812	Coro::async_pool {
2499	# if we are delayed by four ticks or more, skip them all	3813	$Coro::current->{desc} = "runtime saver";
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501
2502	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	3814	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	3815	or warn "ERROR: unable to write runtime file: $!";
2525	})->();	3816	};
2526	},	3817	}
2527	);	3818
		3819	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3820	$sig->send;
		3821	}
		3822	while (my $sig = shift @WAIT_FOR_TICK) {
		3823	$sig->send;
		3824	}
		3825
		3826	$LOAD = ($NOW - $TICK_START) / $TICK;
		3827	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3828
		3829	if (0) {
		3830	if ($NEXT_TICK) {
		3831	my $jitter = $TICK_START - $NEXT_TICK;
		3832	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3833	warn "jitter $JITTER\n";#d#
		3834	}
		3835	}
		3836	}
		3837
		3838	{
		3839	# configure BDB
		3840
		3841	BDB::min_parallel 8;
		3842	BDB::max_poll_reqs $TICK * 0.1;
		3843	$AnyEvent::BDB::WATCHER->priority (1);
		3844
		3845	unless ($DB_ENV) {
		3846	$DB_ENV = BDB::db_env_create;
		3847	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3848	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3849	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3850	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3851	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3852
		3853	cf::sync_job {
		3854	eval {
		3855	BDB::db_env_open
		3856	$DB_ENV,
		3857	$BDBDIR,
		3858	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3859	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3860	0666;
		3861
		3862	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3863	};
		3864
		3865	cf::cleanup "db_env_open(db): $@" if $@;
		3866	};
		3867	}
		3868
		3869	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3870	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3871	};
		3872	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3873	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3874	};
		3875	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3876	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3877	};
		3878	}
		3879
		3880	{
		3881	# configure IO::AIO
		3882
		3883	IO::AIO::min_parallel 8;
		3884	IO::AIO::max_poll_time $TICK * 0.1;
		3885	undef $AnyEvent::AIO::WATCHER;
		3886	}
		3887
		3888	my $_log_backtrace;
		3889
		3890	sub _log_backtrace {
		3891	my ($msg, @addr) = @_;
		3892
		3893	$msg =~ s/\n//;
		3894
		3895	# limit the # of concurrent backtraces
		3896	if ($_log_backtrace < 2) {
		3897	++$_log_backtrace;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $msg\n";
		3919	LOG llevInfo, "[ABT] $_\n" for @bt;
		3920	--$_log_backtrace;
		3921	};
		3922	} else {
		3923	LOG llevInfo, "[ABT] $msg\n";
		3924	LOG llevInfo, "[ABT] [suppressed]\n";
		3925	}
		3926	}
		3927
		3928	# load additional modules
		3929	use cf::pod;
2528		3930
2529	END { cf::emergency_save }	3931	END { cf::emergency_save }
2530		3932
2531	1	3933	1
2532		3934

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