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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.290 by root, Mon Jul 2 03:15:30 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
171	=back	258	=back
172		259
173	=cut	260	=cut
174		261
175	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	269	my $msg = join "", @_;
178		270
179	$msg .= "\n"	271	$msg .= "\n"
180	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
181		273
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		275
184	utf8::encode $msg;
185	LOG llevError, $msg;	276	LOG llevWarn, $msg;
186	};	277	};
187	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
188		292
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	303	for my $pkg (qw(
200	cf::global cf::attachable	304	cf::global cf::attachable
201	cf::object cf::object::player	305	cf::object cf::object::player
202	cf::client cf::player	306	cf::client cf::player
203	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
204	cf::map cf::party cf::region	309	cf::party cf::region
205	)) {	310	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	312	}
209		313
210	$Event::DIED = sub {	314	$EV::DIED = sub {
211	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
212	};	316	};
213		317
214	#############################################################################	318	#############################################################################
215		319
216	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	343	$d
240	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
241	}	345	}
242		346
243	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
244		348
245	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
246		350
247	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
248		352
249	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
250		354
251	=cut	355	=cut
252		356
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		358
255	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
257		404
258	=item cf::lock_wait $string	405	=item cf::lock_wait $string
259		406
260	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
261		408
262	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
263		410
264	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
267	returned.	414	returned.
268		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
269	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
271		421
272	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
273		423
274	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
275		425
276	=cut	426	=cut
277		427
278	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
279		429
280	sub lock_wait($) {	430	sub lock_wait($) {
281	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	432	}
289		433
290	sub lock_acquire($) {	434	sub lock_acquire($) {
291	my ($key) = @_;	435	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	436	}
303		437
304	sub lock_active($) {	438	sub lock_active($) {
305	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	440	}
309		441
310	sub freeze_mainloop {	442	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
312		444
313	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
315	};	512	}
316	$TICK_WATCHER->stop;	513	};
317	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
318	}	528	}
319		529
320	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
321		531
322	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		537
328	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
329		539
330	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
331		541
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	545	acceptable.
336		546
337	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	552	=cut
343		553
344	sub sync_job(&) {	554	sub sync_job(&) {
345	my ($job) = @_;	555	my ($job) = @_;
346		556
347	if ($Coro::current == $Coro::main) {	557	if (in_main) {
348	my $time = Event::time;	558	my $time = AE::time;
349		559
350	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
352		562
353	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	564
355	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
356		566
357	my $busy = 1;	567	my $busy = 1;
358	my @res;	568	my @res;
359		569
360	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	572	@res = eval { $job->() };
362	warn $@ if $@;	573	error $@ if $@;
363	undef $busy;	574	undef $busy;
364	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
365		576
366	while ($busy) {	577	while ($busy) {
367	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
368	}	582	}
		583	}
369		584
370	$time = Event::time - $time;	585	my $time = AE::time - $time;
371		586
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
376		588
377	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
378	} else {	590	} else {
379	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
380		592
…		…
400	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
401		613
402	$coro	614	$coro
403	}	615	}
404		616
405	=item fork_call { }, $args	617	=item fork_call { }, @args
406		618
407	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
411		623
412	=cut	624	=cut
		625
		626	sub post_fork {
		627	reset_signals;
		628	}
413		629
414	sub fork_call(&@) {	630	sub fork_call(&@) {
415	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
416		632
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		636
422	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
423	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
424		641
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	643	}
427		644
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
447	}	681	}
448		682
449	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
450		684
451	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
454		688
455	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
458	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
459		718
460	our $DB;	719	our $DB;
461		720
462	sub db_init {	721	sub db_init {
463	unless ($DB) {	722	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	723	}
478		724
479	sub db_get($$) {	725	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
481		727
482	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
483	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
484		732
485	$! ? ()	733	$! ? ()
486	: $data	734	: $data
487	}
488	}	735	}
489		736
490	sub db_put($$$) {	737	sub db_put($$$) {
491	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	778	if (1) {
532	$md5 =	779	$md5 =
533	join "\x00",	780	join "\x00",
534	$processversion,	781	$processversion,
535	map {	782	map {
536	Coro::cede;	783	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	785	} 0.. $#$src;
539		786
540		787
541	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		795
549	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	797	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
552		799
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		801
555	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
558		805
…		…
568		815
569	=cut	816	=cut
570		817
571	sub datalog($@) {	818	sub datalog($@) {
572	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	821	}
575		822
576	=back	823	=back
577		824
578	=cut	825	=cut
579		826
580	#############################################################################	827	#############################################################################
581		828
582	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
583		830
584	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
587		834
588	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	837	Deliantra).
591		838
592	=over 4	839	=over 4
593		840
594	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
595		842
…		…
639	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
640		887
641	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
643		890
644	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
646		893
647	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
648		895
649	=over 4	896	=over 4
…		…
773		1020
774	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1023
777	} elsif (ref $type) {	1024	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
779		1026
780	} else {	1027	} else {
781	shift @arg;	1028	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
783	}	1030	}
784	}	1031	}
785	}	1032	}
786		1033
787	sub _object_attach {	1034	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
798	}	1045	}
799		1046
800	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
801	} else {	1048	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1050	}
804		1051
805	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
806	}	1053	}
807		1054
…		…
847	";	1094	";
848	die if $@;	1095	die if $@;
849	}	1096	}
850		1097
851	our $override;	1098	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1100
854	sub override {	1101	sub override {
855	$override = 1;	1102	$override = 1;
856	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
857	}	1104	}
858		1105
859	sub do_invoke {	1106	sub do_invoke {
860	my $event = shift;	1107	my $event = shift;
861	my $callbacks = shift;	1108	my $callbacks = shift;
862		1109
863	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
864		1111
865	local $override;	1112	local $override;
866		1113
867	for (@$callbacks) {	1114	for (@$callbacks) {
868	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
869		1116
870	if ($@) {	1117	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1119	override;
874	}	1120	}
875		1121
876	return 1 if $override;	1122	return 1 if $override;
877	}	1123	}
878		1124
879	0	1125	0
880	}	1126	}
881		1127
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1129
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1131
886	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
887		1133
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1137
892	=back	1138	=back
893		1139
894	=cut	1140	=cut
895		1141
896	#############################################################################	1142	#############################################################################
897	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
898		1186
899	sub reattach {	1187	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1189	my ($obj) = @_;
902		1190
		1191	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1193
905	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
906		1195
907	@$registry = ();	1196	@$registry = ();
908		1197
…		…
913	for (@$attach) {	1202	for (@$attach) {
914	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
916	}	1205	}
917	} else {	1206	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1208	}
920	}	1209	}
921	}	1210	}
922		1211
923	cf::attachable->attach (	1212	cf::attachable->attach (
924	prio => -1000000,	1213	prio => -1000000,
925	on_instantiate => sub {	1214	on_instantiate => sub {
926	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
927		1216
928	$data = from_json $data;	1217	$data = decode_json $data;
929		1218
930	for (@$data) {	1219	for (@$data) {
931	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
932		1221
933	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1238	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
951		1240
952	sync_job {	1241	sync_job {
953	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
956		1247
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
961	close $fh;	1255	aio_close $fh;
962		1256
963	if (@$objs) {	1257	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
969	close $fh;	1266	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
971	}	1268	}
972	} else {	1269	} else {
973	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
974	}	1271	}
975		1272
976	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1277	} else {
978	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
979	}	1279	}
980	} else {	1280	} else {
981	aio_unlink $filename;	1281	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
983	}	1283	}
984	}	1284	};
985	}	1285	}
986		1286
987	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
989		1289
…		…
1001	or return;	1301	or return;
1002		1302
1003	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1305	or return;
		1306
1006	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1007	}	1309	}
1008		1310
		1311	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1011	return ($data, $av);	1316	($data, $av)
1012	}	1317	}
1013		1318
1014	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1015		1320
1016	=over 4	1321	=over 4
…		…
1070	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1071		1376
1072	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1073	}	1378	}
1074		1379
		1380	use File::Glob ();
		1381
1075	cf::player->attach (	1382	cf::player->attach (
1076	on_command => sub {	1383	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1078		1385
1079	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1080	or return;	1387	or return;
1081		1388
…		…
1089	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1090		1397
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1399
1093	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1099	} else {	1415	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1417	}
1102		1418
1103	cf::override;	1419	cf::override;
1104	},	1420	},
1105	);	1421	);
1106		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1107	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1108	cf::sync_job {	1439	cf::sync_job {
1109	my %todo;	1440	my %todo;
1110		1441
1111	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1443	next unless -r $path;
…		…
1130		1461
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1464
1134	$ext{source} =	1465	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1137	. $source	1468	. $source
1138	. "\n};\n1";	1469	. "\n};\n1";
1139		1470
1140	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1141	}	1472	}
1142		1473
		1474	my $pass = 0;
1143	my %done;	1475	my %done;
1144	while (%todo) {	1476	while (%todo) {
1145	my $progress;	1477	my $progress;
1146		1478
		1479	++$pass;
		1480
		1481	ext:
1147	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1484	next ext
1150	unless exists $done{$_};	1485	unless exists $done{$_};
1151	}	1486	}
1152		1487
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1489
1155	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1160	warn $msg;	1497
1161	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1499	delete $todo{$k};
1163	}	1500	} else {
1164		1501	$done{$k} = delete $todo{$k};
1165	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1166	}	1507	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1508	}
1172		1509
1173	skip:	1510	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1176	}	1518	}
1177	};	1519	};
1178	}	1520	}
1179		1521
1180	#############################################################################	1522	#############################################################################
1181		1523
1182	=back	1524	=back
1183		1525
1184	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1185		1527
1186	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1187		1529
1188	=cut	1530	=cut
1189		1531
1190	package cf::player;	1532	package cf::player;
1191		1533
1192	use Coro::AIO;	1534	use Coro::AIO;
1193		1535
1194	=head3 cf::player	1536	=head3 cf::player
1195		1537
1196	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1197		1553
1198	=item cf::player::find $login	1554	=item cf::player::find $login
1199		1555
1200	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1201		1557
…		…
1220		1576
1221	sub exists($) {	1577	sub exists($) {
1222	my ($login) = @_;	1578	my ($login) = @_;
1223		1579
1224	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1226	}	1582	}
1227		1583
1228	sub find($) {	1584	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1586	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1597
1242	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1245	}	1607	}
1246	}	1608	}
1247	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1248		1623
1249	sub save($) {	1624	sub save($) {
1250	my ($pl) = @_;	1625	my ($pl) = @_;
1251		1626
1252	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1258		1633
1259	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1261		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1262	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1263	Coro::cede;	1643	cf::cede_to_tick;
1264	}	1644	}
1265		1645
1266	sub new($) {	1646	sub new($) {
1267	my ($login) = @_;	1647	my ($login) = @_;
1268		1648
…		…
1274	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1275		1655
1276	$self	1656	$self
1277	}	1657	}
1278		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1279	=item $pl->quit_character	1669	=item $pl->quit_character
1280		1670
1281	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1283		1673
…		…
1287	my ($pl) = @_;	1677	my ($pl) = @_;
1288		1678
1289	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1290		1680
1291	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1683
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1297	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1298		1692
1299	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1336	or return [];	1730	or return [];
1337		1731
1338	my @logins;	1732	my @logins;
1339		1733
1340	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1344		1744
1345	utf8::decode $login;	1745	utf8::decode $login;
1346	push @logins, $login;	1746	push @logins, $login;
1347	}	1747	}
1348		1748
1349	\@logins	1749	\@logins
1350	}	1750	}
1351		1751
1352	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1353		1755
1354	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1355	player. May block.	1757	player. May block.
1356		1758
1357	=cut	1759	=cut
…		…
1375	}	1777	}
1376		1778
1377	\@paths	1779	\@paths
1378	}	1780	}
1379		1781
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1783
1382	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1383		1785
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1414		1787
1415	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1416		1789
1417	=cut	1790	=cut
1418		1791
1419	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1421		1794
1422	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1424	}	1796	}
1425		1797
1426	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1427		1799
1428	Sends an ext event to the client.	1800	Sends an ext event to the client.
1429		1801
1430	=cut	1802	=cut
1431		1803
1432	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1434		1806
1435	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1436	}	1808	}
1437		1809
1438	=head3 cf::region	1810	=head3 cf::region
1439		1811
1440	=over 4	1812	=over 4
…		…
1450	=cut	1822	=cut
1451		1823
1452	sub find_by_path($) {	1824	sub find_by_path($) {
1453	my ($path) = @_;	1825	my ($path) = @_;
1454		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
1455	my ($match, $specificity);	1829	my ($match, $specificity);
1456		1830
1457	for my $region (list) {	1831	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1832	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1833	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1834	if $region->specificity > $specificity;
1461	}	1835	}
1462	}	1836	}
1463		1837
…		…
1484	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1486		1860
1487	sub generate_random_map {	1861	sub generate_random_map {
1488	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1489	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1867	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1512		1889
1513	sub register {	1890	sub register {
1514	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1515	my $pkg = caller;	1892	my $pkg = caller;
1516		1893
1517	no strict;
1518	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1519		1895
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1897	}
1522		1898
1523	# also paths starting with '/'	1899	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1901
1526	sub thawer_merge {	1902	sub thawer_merge {
1527	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1528		1904
1529	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
…		…
1534	}	1910	}
1535		1911
1536	sub normalise {	1912	sub normalise {
1537	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1538		1914
1539	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1540		1916
1541	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1542		1918
1543	# map plan:	1919	# map plan:
1544	#	1920	#
…		…
1583	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1584	return $self;	1960	return $self;
1585	}	1961	}
1586	}	1962	}
1587		1963
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1589	()	1965	()
1590	}	1966	}
1591		1967
1592	sub init {	1968	sub init {
1593	my ($self) = @_;	1969	my ($self) = @_;
…		…
1615		1991
1616	# the temporary/swap location	1992	# the temporary/swap location
1617	sub save_path {	1993	sub save_path {
1618	my ($self) = @_;	1994	my ($self) = @_;
1619		1995
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1997	"$TMPDIR/$path.map"
1622	}	1998	}
1623		1999
1624	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1625	sub uniq_path {	2001	sub uniq_path {
1626	my ($self) = @_;	2002	my ($self) = @_;
1627		2003
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	2005	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	2006	}
1640		2007
1641	sub decay_objects {	2008	sub decay_objects {
1642	my ($self) = @_;	2009	my ($self) = @_;
1643		2010
…		…
1656		2023
1657	sub load_header_from($) {	2024	sub load_header_from($) {
1658	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1659		2026
1660	utf8::encode $path;	2027	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	or return;	2029	or return;
		2030
		2031	$self->_load_header ($f)
		2032	or return;
		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
1666		2036
1667	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1668		2038
1669	1	2039	1
1670	}	2040	}
…		…
1722		2092
1723	sub find;	2093	sub find;
1724	sub find {	2094	sub find {
1725	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1726		2096
		2097	cf::cede_to_tick;
		2098
1727	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1728		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2103
1731	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1734	or return;	2106	or return;
1735		2107
1736	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1737		2109
…		…
1739	or return;	2111	or return;
1740		2112
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2114	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1744	$map->reset;	2118	$map->reset;
1745	undef $guard;
1746	return find $path;	2119	return find $path;
1747	}	2120	}
1748		2121
1749	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1750	}	2123	}
1751	}	2124	}
1752		2125
1753	sub pre_load { }	2126	sub pre_load { }
1754	sub post_load { }	2127	#sub post_load { } # XS
1755		2128
1756	sub load {	2129	sub load {
1757	my ($self) = @_;	2130	my ($self) = @_;
1758		2131
1759	local $self->{deny_reset} = 1; # loading can take a long time	2132	local $self->{deny_reset} = 1; # loading can take a long time
1760		2133
1761	my $path = $self->{path};	2134	my $path = $self->{path};
1762		2135
1763	{	2136	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1765		2138
		2139	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2141
1768	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1769		2143
1770	$self->alloc;	2144	$self->alloc;
1771		2145
1772	$self->pre_load;	2146	$self->pre_load;
1773	Coro::cede;	2147	cf::cede_to_tick;
1774		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2151	$self->_load_objects ($f)
1776	or return;	2152	or return;
1777		2153
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1779	if delete $self->{load_original};	2155	if delete $self->{load_original};
1780		2156
1781	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2158	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2161	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1786	}	2165	}
1787	}	2166	}
1788		2167
1789	Coro::cede;	2168	$f->resolve_delayed_derefs;
		2169
		2170	cf::cede_to_tick;
1790	# now do the right thing for maps	2171	# now do the right thing for maps
1791	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2174	unless $self->difficulty;
1794	Coro::cede;	2175	cf::cede_to_tick;
1795		2176
1796	unless ($self->{deny_activate}) {	2177	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2178	$self->decay_objects;
1798	$self->fix_auto_apply;	2179	$self->fix_auto_apply;
1799	$self->update_buttons;	2180	$self->update_buttons;
1800	Coro::cede;	2181	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2182	$self->activate;
1804	}	2183	}
1805		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2189	}
1808		2190
1809	$self->post_load;	2191	$self->post_load;
1810	}	2192	}
1811		2193
		2194	# customize the map for a given player, i.e.
		2195	# return the _real_ map. used by e.g. per-player
		2196	# maps to change the path to ~playername/mappath
1812	sub customise_for {	2197	sub customise_for {
1813	my ($self, $ob) = @_;	2198	my ($self, $ob) = @_;
1814		2199
1815	return find "~" . $ob->name . "/" . $self->{path}	2200	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2201	if $self->per_player;
…		…
1820		2205
1821	$self	2206	$self
1822	}	2207	}
1823		2208
1824	# find and load all maps in the 3x3 area around a map	2209	# find and load all maps in the 3x3 area around a map
1825	sub load_diag {	2210	sub load_neighbours {
1826	my ($map) = @_;	2211	my ($map) = @_;
1827		2212
1828	my @diag; # diagonal neighbours	2213	my @neigh; # diagonal neighbours
1829		2214
1830	for (0 .. 3) {	2215	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2216	my $neigh = $map->tile_path ($_)
1832	or next;	2217	or next;
1833	$neigh = find $neigh, $map	2218	$neigh = find $neigh, $map
1834	or next;	2219	or next;
1835	$neigh->load;	2220	$neigh->load;
1836		2221
		2222	# now find the diagonal neighbours
		2223	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2224	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2225	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2226	}
1840		2227
1841	for (@diag) {	2228	for (grep defined $_->[0], @neigh) {
		2229	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2230	my $neigh = find $path, $origin
1843	or next;	2231	or next;
1844	$neigh->load;	2232	$neigh->load;
1845	}	2233	}
1846	}	2234	}
1847		2235
1848	sub find_sync {	2236	sub find_sync {
1849	my ($path, $origin) = @_;	2237	my ($path, $origin) = @_;
1850		2238
1851	cf::sync_job { find $path, $origin }	2239	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2240	if $Coro::current == $Coro::main;
		2241
		2242	find $path, $origin
1852	}	2243	}
1853		2244
1854	sub do_load_sync {	2245	sub do_load_sync {
1855	my ($map) = @_;	2246	my ($map) = @_;
1856		2247
1857	cf::sync_job { $map->load };	2248	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2249	if $Coro::current == $Coro::main;
		2250
		2251	$map->load;
1858	}	2252	}
1859		2253
1860	our %MAP_PREFETCH;	2254	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2255	our $MAP_PREFETCHER = undef;
1862		2256
1863	sub find_async {	2257	sub find_async {
1864	my ($path, $origin) = @_;	2258	my ($path, $origin, $load) = @_;
1865		2259
1866	$path = normalise $path, $origin && $origin->{path};	2260	$path = normalise $path, $origin && $origin->{path};
1867		2261
1868	if (my $map = $cf::MAP{$path}) {	2262	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2263	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2264	}
1871		2265
1872	undef $MAP_PREFETCH{$path};	2266	$MAP_PREFETCH{$path} |= $load;
		2267
1873	$MAP_PREFETCHER ||= cf::async {	2268	$MAP_PREFETCHER ||= cf::async {
		2269	$Coro::current->{desc} = "map prefetcher";
		2270
1874	while (%MAP_PREFETCH) {	2271	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2272	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2273	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2274	$map->load if $v;
		2275	}
1879		2276
1880	delete $MAP_PREFETCH{$path};	2277	delete $MAP_PREFETCH{$k};
1881	}	2278	}
1882	}	2279	}
1883	undef $MAP_PREFETCHER;	2280	undef $MAP_PREFETCHER;
1884	};	2281	};
1885	$MAP_PREFETCHER->prio (6);	2282	$MAP_PREFETCHER->prio (6);
1886		2283
1887	()	2284	()
1888	}	2285	}
1889		2286
		2287	# common code, used by both ->save and ->swapout
1890	sub save {	2288	sub _save {
1891	my ($self) = @_;	2289	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2290
1895	$self->{last_save} = $cf::RUNTIME;	2291	$self->{last_save} = $cf::RUNTIME;
1896		2292
1897	return unless $self->dirty;	2293	return unless $self->dirty;
1898		2294
…		…
1904	return if $self->{deny_save};	2300	return if $self->{deny_save};
1905		2301
1906	local $self->{last_access} = $self->last_access;#d#	2302	local $self->{last_access} = $self->last_access;#d#
1907		2303
1908	cf::async {	2304	cf::async {
		2305	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2306	$_->contr->save for $self->players;
1910	};	2307	};
		2308
		2309	cf::get_slot 0.02;
1911		2310
1912	if ($uniq) {	2311	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2312	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2313	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2314	} else {
1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2315	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1917	}	2316	}
1918	}	2317	}
1919		2318
		2319	sub save {
		2320	my ($self) = @_;
		2321
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	$self->_save;
		2325	}
		2326
1920	sub swap_out {	2327	sub swap_out {
1921	my ($self) = @_;	2328	my ($self) = @_;
1922		2329
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2330	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2331
		2332	return if $self->in_memory != cf::MAP_ACTIVE;
		2333	return if $self->{deny_save};
1928	return if $self->players;	2334	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		2335
		2336	# first deactivate the map and "unlink" it from the core
		2337	$self->deactivate;
		2338	$_->clear_links_to ($self) for values %cf::MAP;
		2339	$self->in_memory (cf::MAP_SWAPPED);
		2340
		2341	# then atomically save
		2342	$self->_save;
		2343
		2344	# then free the map
1932	$self->clear;	2345	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2346	}
1935		2347
1936	sub reset_at {	2348	sub reset_at {
1937	my ($self) = @_;	2349	my ($self) = @_;
1938		2350
…		…
1956		2368
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2369	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2370
1959	return if $self->players;	2371	return if $self->players;
1960		2372
1961	warn "resetting map ", $self->path;	2373	cf::trace "resetting map ", $self->path, "\n";
1962		2374
1963	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
1964		2376
1965	# need to save uniques path	2377	# need to save uniques path
1966	unless ($self->{deny_save}) {	2378	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2382	if $uniq;
1971	}	2383	}
1972		2384
1973	delete $cf::MAP{$self->path};	2385	delete $cf::MAP{$self->path};
1974		2386
		2387	$self->deactivate;
		2388	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2389	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2390
1979	$self->unlink_save;	2391	$self->unlink_save;
1980	$self->destroy;	2392	$self->destroy;
1981	}	2393	}
1982		2394
1983	my $nuke_counter = "aaaa";	2395	my $nuke_counter = "aaaa";
1984		2396
1985	sub nuke {	2397	sub nuke {
1986	my ($self) = @_;	2398	my ($self) = @_;
1987		2399
		2400	{
		2401	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2402
1988	delete $cf::MAP{$self->path};	2403	delete $cf::MAP{$self->path};
1989		2404
1990	$self->unlink_save;	2405	$self->unlink_save;
1991		2406
1992	bless $self, "cf::map";	2407	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2408	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2409	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2410	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2411	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2412
1998	$cf::MAP{$self->path} = $self;	2413	$cf::MAP{$self->path} = $self;
		2414	}
1999		2415
2000	$self->reset; # polite request, might not happen	2416	$self->reset; # polite request, might not happen
2001	}	2417	}
2002		2418
2003	=item $maps = cf::map::tmp_maps	2419	=item $maps = cf::map::tmp_maps
…		…
2045		2461
2046	sub unique_maps() {	2462	sub unique_maps() {
2047	[	2463	[
2048	map {	2464	map {
2049	utf8::decode $_;	2465	utf8::decode $_;
2050	/\.map$/	2466	s/\.map$//; # TODO future compatibility hack
		2467	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2468	? ()
2051	? normalise $_	2469	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2470	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2471	]
2055	}	2472	}
2056		2473
2057	package cf;	2474	=item cf::map::static_maps
		2475
		2476	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2477	file in the shared directory excluding F</styles> and F</editor>). May
		2478	block.
		2479
		2480	=cut
		2481
		2482	sub static_maps() {
		2483	my @dirs = "";
		2484	my @maps;
		2485
		2486	while (@dirs) {
		2487	my $dir = shift @dirs;
		2488
		2489	next if $dir eq "/styles" || $dir eq "/editor";
		2490
		2491	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2492	or return;
		2493
		2494	for (@$files) {
		2495	s/\.map$// or next;
		2496	utf8::decode $_;
		2497	push @maps, "$dir/$_";
		2498	}
		2499
		2500	push @dirs, map "$dir/$_", @$dirs;
		2501	}
		2502
		2503	\@maps
		2504	}
2058		2505
2059	=back	2506	=back
2060		2507
2061	=head3 cf::object	2508	=head3 cf::object
2062		2509
…		…
2066		2513
2067	=over 4	2514	=over 4
2068		2515
2069	=item $ob->inv_recursive	2516	=item $ob->inv_recursive
2070		2517
2071	Returns the inventory of the object _and_ their inventories, recursively.	2518	Returns the inventory of the object I<and> their inventories, recursively,
		2519	but I<not> the object itself.
2072		2520
2073	=cut	2521	=cut
2074		2522
2075	sub inv_recursive_;	2523	sub inv_recursive_;
2076	sub inv_recursive_ {	2524	sub inv_recursive_ {
…		…
2079		2527
2080	sub inv_recursive {	2528	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2529	inv_recursive_ inv $_[0]
2082	}	2530	}
2083		2531
		2532	=item $ref = $ob->ref
		2533
		2534	Creates and returns a persistent reference to an object that can be stored as a string.
		2535
		2536	=item $ob = cf::object::deref ($refstring)
		2537
		2538	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2539	even if the object actually exists. May block.
		2540
		2541	=cut
		2542
		2543	sub deref {
		2544	my ($ref) = @_;
		2545
		2546	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2547	my ($uuid, $name) = ($1, $2);
		2548	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2549	or return;
		2550	$pl->ob->uuid eq $uuid
		2551	or return;
		2552
		2553	$pl->ob
		2554	} else {
		2555	warn "$ref: cannot resolve object reference\n";
		2556	undef
		2557	}
		2558	}
		2559
2084	package cf;	2560	package cf;
2085		2561
2086	=back	2562	=back
2087		2563
2088	=head3 cf::object::player	2564	=head3 cf::object::player
…		…
2094	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2570	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2095	can be C<undef>. Does the right thing when the player is currently in a	2571	can be C<undef>. Does the right thing when the player is currently in a
2096	dialogue with the given NPC character.	2572	dialogue with the given NPC character.
2097		2573
2098	=cut	2574	=cut
		2575
		2576	our $SAY_CHANNEL = {
		2577	id => "say",
		2578	title => "Map",
		2579	reply => "say ",
		2580	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2581	};
		2582
		2583	our $CHAT_CHANNEL = {
		2584	id => "chat",
		2585	title => "Chat",
		2586	reply => "chat ",
		2587	tooltip => "Player chat and shouts, global to the server.",
		2588	};
2099		2589
2100	# rough implementation of a future "reply" method that works	2590	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2591	# with dialog boxes.
2102	#TODO: the first argument must go, split into a $npc->reply_to ( method	2592	#TODO: the first argument must go, split into a $npc->reply_to ( method
2103	sub cf::object::player::reply($$$;$) {	2593	sub cf::object::player::reply($$$;$) {
…		…
2110		2600
2111	} else {	2601	} else {
2112	my $pl = $self->contr;	2602	my $pl = $self->contr;
2113		2603
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2604	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2605	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2606	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2607
2123	} else {	2608	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2609	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2610	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2611	}
2127	}	2612	}
		2613	}
		2614
		2615	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2616
		2617	=cut
		2618
		2619	sub cf::object::send_msg {
		2620	my $pl = shift->contr
		2621	or return;
		2622	$pl->send_msg (@_);
2128	}	2623	}
2129		2624
2130	=item $player_object->may ("access")	2625	=item $player_object->may ("access")
2131		2626
2132	Returns wether the given player is authorized to access resource "access"	2627	Returns wether the given player is authorized to access resource "access"
…		…
2145		2640
2146	=item $player_object->enter_link	2641	=item $player_object->enter_link
2147		2642
2148	Freezes the player and moves him/her to a special map (C<{link}>).	2643	Freezes the player and moves him/her to a special map (C<{link}>).
2149		2644
2150	The player should be reasonably safe there for short amounts of time. You	2645	The player should be reasonably safe there for short amounts of time (e.g.
2151	I<MUST> call C<leave_link> as soon as possible, though.	2646	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2647	though, as the player cannot control the character while it is on the link
		2648	map.
2152		2649
2153	Will never block.	2650	Will never block.
2154		2651
2155	=item $player_object->leave_link ($map, $x, $y)	2652	=item $player_object->leave_link ($map, $x, $y)
2156		2653
…		…
2176	sub cf::object::player::enter_link {	2673	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2674	my ($self) = @_;
2178		2675
2179	$self->deactivate_recursive;	2676	$self->deactivate_recursive;
2180		2677
		2678	++$self->{_link_recursion};
		2679
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2680	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2681
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2682	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2683	if $self->map && $self->map->{path} ne "{link}";
2185		2684
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2685	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2686	}
2188		2687
2189	sub cf::object::player::leave_link {	2688	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2689	my ($self, $map, $x, $y) = @_;
2191		2690
…		…
2208	($x, $y) = (-1, -1)	2707	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2708	unless (defined $x) && (defined $y);
2210		2709
2211	# use -1 or undef as default coordinates, not 0, 0	2710	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2711	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2712	if $x <= 0 && $y <= 0;
2214		2713
2215	$map->load;	2714	$map->load;
2216	$map->load_diag;	2715	$map->load_neighbours;
2217		2716
2218	return unless $self->contr->active;	2717	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2718
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2719	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2720	if ($self->enter_map ($map, $x, $y)) {
2223	}	2721	# entering was successful
		2722	delete $self->{_link_recursion};
		2723	# only activate afterwards, to support waiting in hooks
		2724	$self->activate_recursive;
		2725	}
2224		2726
		2727	}
		2728
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2729	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2730
2227	Moves the player to the given map-path and coordinates by first freezing	2731	Moves the player to the given map-path and coordinates by first freezing
2228	her, loading and preparing them map, calling the provided $check callback	2732	her, loading and preparing them map, calling the provided $check callback
2229	that has to return the map if sucecssful, and then unfreezes the player on	2733	that has to return the map if sucecssful, and then unfreezes the player on
2230	the new (success) or old (failed) map position.	2734	the new (success) or old (failed) map position. In either case, $done will
		2735	be called at the end of this process.
		2736
		2737	Note that $check will be called with a potentially non-loaded map, so if
		2738	it needs a loaded map it has to call C<< ->load >>.
2231		2739
2232	=cut	2740	=cut
2233		2741
2234	our $GOTOGEN;	2742	our $GOTOGEN;
2235		2743
2236	sub cf::object::player::goto {	2744	sub cf::object::player::goto {
2237	my ($self, $path, $x, $y, $check) = @_;	2745	my ($self, $path, $x, $y, $check, $done) = @_;
		2746
		2747	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2748	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2749	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2750	($path, $x, $y) = @$EMERGENCY_POSITION;
		2751	}
2238		2752
2239	# do generation counting so two concurrent goto's will be executed in-order	2753	# do generation counting so two concurrent goto's will be executed in-order
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2754	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2755
2242	$self->enter_link;	2756	$self->enter_link;
2243		2757
2244	(async {	2758	(async {
		2759	$Coro::current->{desc} = "player::goto $path $x $y";
		2760
		2761	# *tag paths override both path and x|y
		2762	if ($path =~ /^\*(.*)$/) {
		2763	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2764	my $ob = $obs[rand @obs];
		2765
		2766	# see if we actually can go there
		2767	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2768	$ob = $obs[rand @obs];
		2769	} else {
		2770	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772	# else put us there anyways for now #d#
		2773
		2774	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2775	} else {
		2776	($path, $x, $y) = (undef, undef, undef);
		2777	}
		2778	}
		2779
2245	my $map = eval {	2780	my $map = eval {
2246	my $map = cf::map::find $path;	2781	my $map = defined $path ? cf::map::find $path : undef;
2247		2782
2248	if ($map) {	2783	if ($map) {
2249	$map = $map->customise_for ($self);	2784	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2785	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2786	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2787	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2788	}
2254		2789
2255	$map	2790	$map
2256	};	2791	};
2257		2792
…		…
2262		2797
2263	if ($gen == $self->{_goto_generation}) {	2798	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2799	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2800	$self->leave_link ($map, $x, $y);
2266	}	2801	}
		2802
		2803	$done->($self) if $done;
2267	})->prio (1);	2804	})->prio (1);
2268	}	2805	}
2269		2806
2270	=item $player_object->enter_exit ($exit_object)	2807	=item $player_object->enter_exit ($exit_object)
2271		2808
…		…
2291	}	2828	}
2292		2829
2293	sub prepare_random_map {	2830	sub prepare_random_map {
2294	my ($exit) = @_;	2831	my ($exit) = @_;
2295		2832
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2833	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2834	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2835	# that depends on the exit object
2301		2836
2302	my $rmp = parse_random_map_params $exit->msg;	2837	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2839	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2840	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2841	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2842	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2843	$rmp->{origin_y} = $exit->y;
		2844
		2845	$exit->map->touch;
2309	}	2846	}
2310		2847
2311	$rmp->{random_seed} ||= $exit->random_seed;	2848	$rmp->{random_seed} ||= $exit->random_seed;
2312		2849
2313	my $data = cf::to_json $rmp;	2850	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2851	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2852	my $meta = "$RANDOMDIR/$md5.meta";
2316		2853
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2855	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2856	undef $fh;
2320	aio_rename "$meta~", $meta;	2857	aio_rename "$meta~", $meta;
2321		2858
		2859	my $slaying = "?random/$md5";
		2860
		2861	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2862	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2863	$exit->msg (undef);
		2864	}
2324	}	2865	}
2325	}	2866	}
2326		2867
2327	sub cf::object::player::enter_exit {	2868	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2869	my ($self, $exit) = @_;
2329		2870
2330	return unless $self->type == cf::PLAYER;	2871	return unless $self->type == cf::PLAYER;
2331		2872
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2873	$self->enter_link;
2344		2874
2345	(async {	2875	(async {
2346	$self->deactivate_recursive; # just to be sure	2876	$Coro::current->{desc} = "enter_exit";
		2877
2347	unless (eval {	2878	unless (eval {
		2879	$self->deactivate_recursive; # just to be sure
		2880
		2881	# random map handling
		2882	{
		2883	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2884
		2885	prepare_random_map $exit
		2886	if $exit->slaying eq "/!";
		2887	}
		2888
		2889	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2890	my $x = $exit->stats->hp;
		2891	my $y = $exit->stats->sp;
		2892
2348	$self->goto ($slaying, $hp, $sp);	2893	$self->goto ($map, $x, $y);
2349		2894
		2895	# if exit is damned, update players death & WoR home-position
		2896	$self->contr->savebed ($map, $x, $y)
		2897	if $exit->flag (cf::FLAG_DAMNED);
		2898
2350	1;	2899	1
2351	}) {	2900	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2901	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "I'll try to bring you back to the map you were before. "	2902	. "I'll try to bring you back to the map you were before. "
2354	. "Please report this to the dungeon master!",	2903	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2904	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2905
2357	warn "ERROR in enter_exit: $@";	2906	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2907	$self->leave_link;
2359	}	2908	}
2360	})->prio (1);	2909	})->prio (1);
2361	}	2910	}
2362		2911
…		…
2376		2925
2377	utf8::encode $text;	2926	utf8::encode $text;
2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2927	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2379	}	2928	}
2380		2929
		2930	=item $client->send_big_packet ($pkt)
		2931
		2932	Like C<send_packet>, but tries to compress large packets, and fragments
		2933	them as required.
		2934
		2935	=cut
		2936
		2937	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2938
		2939	sub cf::client::send_big_packet {
		2940	my ($self, $pkt) = @_;
		2941
		2942	# try lzf for large packets
		2943	$pkt = "lzf " . Compress::LZF::compress $pkt
		2944	if 1024 <= length $pkt and $self->{can_lzf};
		2945
		2946	# split very large packets
		2947	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2948	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2949	$pkt = "frag";
		2950	}
		2951
		2952	$self->send_packet ($pkt);
		2953	}
		2954
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2955	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2956
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2957	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2958	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2959	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2960	the message unless the client supports the msg packet.
2387		2961
2388	=cut	2962	=cut
2389		2963
		2964	# non-persistent channels (usually the info channel)
		2965	our %CHANNEL = (
		2966	"c/motd" => {
		2967	id => "infobox",
		2968	title => "MOTD",
		2969	reply => undef,
		2970	tooltip => "The message of the day",
		2971	},
		2972	"c/identify" => {
		2973	id => "infobox",
		2974	title => "Identify",
		2975	reply => undef,
		2976	tooltip => "Items recently identified",
		2977	},
		2978	"c/examine" => {
		2979	id => "infobox",
		2980	title => "Examine",
		2981	reply => undef,
		2982	tooltip => "Signs and other items you examined",
		2983	},
		2984	"c/shopinfo" => {
		2985	id => "infobox",
		2986	title => "Shop Info",
		2987	reply => undef,
		2988	tooltip => "What your bargaining skill tells you about the shop",
		2989	},
		2990	"c/book" => {
		2991	id => "infobox",
		2992	title => "Book",
		2993	reply => undef,
		2994	tooltip => "The contents of a note or book",
		2995	},
		2996	"c/lookat" => {
		2997	id => "infobox",
		2998	title => "Look",
		2999	reply => undef,
		3000	tooltip => "What you saw there",
		3001	},
		3002	"c/who" => {
		3003	id => "infobox",
		3004	title => "Players",
		3005	reply => undef,
		3006	tooltip => "Shows players who are currently online",
		3007	},
		3008	"c/body" => {
		3009	id => "infobox",
		3010	title => "Body Parts",
		3011	reply => undef,
		3012	tooltip => "Shows which body parts you posess and are available",
		3013	},
		3014	"c/statistics" => {
		3015	id => "infobox",
		3016	title => "Statistics",
		3017	reply => undef,
		3018	tooltip => "Shows your primary statistics",
		3019	},
		3020	"c/skills" => {
		3021	id => "infobox",
		3022	title => "Skills",
		3023	reply => undef,
		3024	tooltip => "Shows your experience per skill and item power",
		3025	},
		3026	"c/shopitems" => {
		3027	id => "infobox",
		3028	title => "Shop Items",
		3029	reply => undef,
		3030	tooltip => "Shows the items currently for sale in this shop",
		3031	},
		3032	"c/resistances" => {
		3033	id => "infobox",
		3034	title => "Resistances",
		3035	reply => undef,
		3036	tooltip => "Shows your resistances",
		3037	},
		3038	"c/pets" => {
		3039	id => "infobox",
		3040	title => "Pets",
		3041	reply => undef,
		3042	tooltip => "Shows information abotu your pets/a specific pet",
		3043	},
		3044	"c/perceiveself" => {
		3045	id => "infobox",
		3046	title => "Perceive Self",
		3047	reply => undef,
		3048	tooltip => "You gained detailed knowledge about yourself",
		3049	},
		3050	"c/uptime" => {
		3051	id => "infobox",
		3052	title => "Uptime",
		3053	reply => undef,
		3054	tooltip => "How long the server has been running since last restart",
		3055	},
		3056	"c/mapinfo" => {
		3057	id => "infobox",
		3058	title => "Map Info",
		3059	reply => undef,
		3060	tooltip => "Information related to the maps",
		3061	},
		3062	"c/party" => {
		3063	id => "party",
		3064	title => "Party",
		3065	reply => "gsay ",
		3066	tooltip => "Messages and chat related to your party",
		3067	},
		3068	"c/death" => {
		3069	id => "death",
		3070	title => "Death",
		3071	reply => undef,
		3072	tooltip => "Reason for and more info about your most recent death",
		3073	},
		3074	"c/say" => $SAY_CHANNEL,
		3075	"c/chat" => $CHAT_CHANNEL,
		3076	);
		3077
2390	sub cf::client::send_msg {	3078	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3079	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3080
2393	$msg = $self->pl->expand_cfpod ($msg);	3081	$msg = $self->pl->expand_cfpod ($msg)
		3082	unless $color & cf::NDI_VERBATIM;
2394		3083
2395	if ($self->can_msg) {	3084	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3085
2408	if ($color >= 0) {	3086	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3087	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3088	$channel = $CHANNEL{$channel};
2411	} else {	3089
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3090	$self->ext_msg (channel_info => $channel);
2413	$self->send_packet ("drawinfo $color $msg")	3091	$channel = $channel->{id};
		3092
		3093	} elsif (ref $channel) {
		3094	# send meta info to client, if not yet sent
		3095	unless (exists $self->{channel}{$channel->{id}}) {
		3096	$self->{channel}{$channel->{id}} = $channel;
		3097	$self->ext_msg (channel_info => $channel);
2414	}	3098	}
2415	}
2416	}
2417	}
2418		3099
		3100	$channel = $channel->{id};
		3101	}
		3102
		3103	return unless @extra || length $msg;
		3104
		3105	# default colour, mask it out
		3106	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3107	if $color & cf::NDI_DEF;
		3108
		3109	my $pkt = "msg "
		3110	. $self->{json_coder}->encode (
		3111	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3112	);
		3113
		3114	$self->send_big_packet ($pkt);
		3115	}
		3116
2419	=item $client->ext_event ($type, %msg)	3117	=item $client->ext_msg ($type, @msg)
2420		3118
2421	Sends an ext event to the client.	3119	Sends an ext event to the client.
2422		3120
2423	=cut	3121	=cut
2424		3122
2425	sub cf::client::ext_event($$%) {	3123	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3124	my ($self, $type, @msg) = @_;
2427		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3128	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3129	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3130	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3131	}
		3132	}
		3133
		3134	=item $client->ext_reply ($msgid, @msg)
		3135
		3136	Sends an ext reply to the client.
		3137
		3138	=cut
		3139
		3140	sub cf::client::ext_reply($$@) {
		3141	my ($self, $id, @msg) = @_;
		3142
		3143	if ($self->extcmd == 2) {
		3144	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3145	} elsif ($self->extcmd == 1) {
		3146	#TODO: version 1, remove
		3147	unshift @msg, msgtype => "reply", msgid => $id;
		3148	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3149	}
2430	}	3150	}
2431		3151
2432	=item $success = $client->query ($flags, "text", \&cb)	3152	=item $success = $client->query ($flags, "text", \&cb)
2433		3153
2434	Queues a query to the client, calling the given callback with	3154	Queues a query to the client, calling the given callback with
…		…
2489	my ($ns, $buf) = @_;	3209	my ($ns, $buf) = @_;
2490		3210
2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3211	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2492		3212
2493	if (ref $msg) {	3213	if (ref $msg) {
		3214	my ($type, $reply, @payload) =
		3215	"ARRAY" eq ref $msg
		3216	? @$msg
		3217	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3218
		3219	my @reply;
		3220
2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3221	if (my $cb = $EXTICMD{$type}) {
2495	if (my %reply = $cb->($ns, $msg)) {	3222	@reply = $cb->($ns, @payload);
2496	$reply{msgid} = $msg->{msgid};
2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2498	}
2499	}	3223	}
		3224
		3225	$ns->ext_reply ($reply, @reply)
		3226	if $reply;
		3227
2500	} else {	3228	} else {
2501	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3229	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2502	}	3230	}
2503		3231
2504	cf::override;	3232	cf::override;
2505	},	3233	},
2506	);	3234	);
…		…
2526		3254
2527	$coro	3255	$coro
2528	}	3256	}
2529		3257
2530	cf::client->attach (	3258	cf::client->attach (
2531	on_destroy => sub {	3259	on_client_destroy => sub {
2532	my ($ns) = @_;	3260	my ($ns) = @_;
2533		3261
2534	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3262	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2535	},	3263	},
2536	);	3264	);
…		…
2551	our $safe = new Safe "safe";	3279	our $safe = new Safe "safe";
2552	our $safe_hole = new Safe::Hole;	3280	our $safe_hole = new Safe::Hole;
2553		3281
2554	$SIG{FPE} = 'IGNORE';	3282	$SIG{FPE} = 'IGNORE';
2555		3283
2556	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3284	$safe->permit_only (Opcode::opset qw(
		3285	:base_core :base_mem :base_orig :base_math :base_loop
		3286	grepstart grepwhile mapstart mapwhile
		3287	sort time
		3288	));
2557		3289
2558	# here we export the classes and methods available to script code	3290	# here we export the classes and methods available to script code
2559		3291
2560	=pod	3292	=pod
2561		3293
2562	The following functions and methods are available within a safe environment:	3294	The following functions and methods are available within a safe environment:
2563		3295
2564	cf::object contr pay_amount pay_player map	3296	cf::object
		3297	contr pay_amount pay_player map x y force_find force_add destroy
		3298	insert remove name archname title slaying race decrease split
		3299	value
		3300
2565	cf::object::player player	3301	cf::object::player
2566	cf::player peaceful	3302	player
2567	cf::map trigger	3303
		3304	cf::player
		3305	peaceful
		3306
		3307	cf::map
		3308	trigger
2568		3309
2569	=cut	3310	=cut
2570		3311
2571	for (	3312	for (
2572	["cf::object" => qw(contr pay_amount pay_player map)],	3313	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3314	insert remove inv nrof name archname title slaying race
		3315	decrease split destroy change_exp value msg lore send_msg)],
2573	["cf::object::player" => qw(player)],	3316	["cf::object::player" => qw(player)],
2574	["cf::player" => qw(peaceful)],	3317	["cf::player" => qw(peaceful send_msg)],
2575	["cf::map" => qw(trigger)],	3318	["cf::map" => qw(trigger)],
2576	) {	3319	) {
2577	no strict 'refs';
2578	my ($pkg, @funs) = @$_;	3320	my ($pkg, @funs) = @$_;
2579	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3321	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2580	for @funs;	3322	for @funs;
2581	}	3323	}
2582		3324
…		…
2597		3339
2598	my $qcode = $code;	3340	my $qcode = $code;
2599	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3341	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2600	$qcode =~ s/\n/\\n/g;	3342	$qcode =~ s/\n/\\n/g;
2601		3343
		3344	%vars = (_dummy => 0) unless %vars;
		3345
		3346	my @res;
2602	local $_;	3347	local $_;
2603	local @safe::cf::_safe_eval_args = values %vars;
2604		3348
2605	my $eval =	3349	my $eval =
2606	"do {\n"	3350	"do {\n"
2607	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3351	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2608	. "#line 0 \"{$qcode}\"\n"	3352	. "#line 0 \"{$qcode}\"\n"
2609	. $code	3353	. $code
2610	. "\n}"	3354	. "\n}"
2611	;	3355	;
2612		3356
		3357	if ($CFG{safe_eval}) {
2613	sub_generation_inc;	3358	sub_generation_inc;
		3359	local @safe::cf::_safe_eval_args = values %vars;
2614	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3360	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2615	sub_generation_inc;	3361	sub_generation_inc;
		3362	} else {
		3363	local @cf::_safe_eval_args = values %vars;
		3364	@res = wantarray ? eval eval : scalar eval $eval;
		3365	}
2616		3366
2617	if ($@) {	3367	if ($@) {
2618	warn "$@";	3368	warn "$@",
2619	warn "while executing safe code '$code'\n";	3369	"while executing safe code '$code'\n",
2620	warn "with arguments " . (join " ", %vars) . "\n";	3370	"with arguments " . (join " ", %vars) . "\n";
2621	}	3371	}
2622		3372
2623	wantarray ? @res : $res[0]	3373	wantarray ? @res : $res[0]
2624	}	3374	}
2625		3375
…		…
2639	=cut	3389	=cut
2640		3390
2641	sub register_script_function {	3391	sub register_script_function {
2642	my ($fun, $cb) = @_;	3392	my ($fun, $cb) = @_;
2643		3393
2644	no strict 'refs';	3394	$fun = "safe::$fun" if $CFG{safe_eval};
2645	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3395	*$fun = $safe_hole->wrap ($cb);
2646	}	3396	}
2647		3397
2648	=back	3398	=back
2649		3399
2650	=cut	3400	=cut
…		…
2653	# the server's init and main functions	3403	# the server's init and main functions
2654		3404
2655	sub load_facedata($) {	3405	sub load_facedata($) {
2656	my ($path) = @_;	3406	my ($path) = @_;
2657		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
2658	warn "loading facedata from $path\n";	3414	trace "loading facedata from $path\n";
2659		3415
2660	my $facedata;
2661	0 < aio_load $path, $facedata	3416	0 < aio_load $path, my $facedata
2662	or die "$path: $!";	3417	or die "$path: $!";
2663		3418
2664	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2665		3420
2666	$facedata->{version} == 2	3421	$facedata->{version} == 2
2667	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2668		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2669	{	3433	{
2670	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2671		3435
2672	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3439	cf::face::set_visibility $idx, $info->{visibility};
		3440	cf::face::set_magicmap $idx, $info->{magicmap};
2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2677	Coro::cede;	3443
		3444	cf::cede_to_tick;
2678	}	3445	}
2679		3446
2680	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2681	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2682	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2683	or next;	3451	or next;
		3452
2684	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
		3454	cf::face::set_smooth $idx, $smooth;
2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2686	} else {	3456	} else {
2687	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2688	}	3458	}
2689	Coro::cede;	3459
		3460	cf::cede_to_tick;
2690	}	3461	}
2691	}	3462	}
2692		3463
2693	{	3464	{
2694	my $anims = $facedata->{animinfo};	3465	my $anims = $facedata->{animinfo};
2695		3466
2696	while (my ($anim, $info) = each %$anims) {	3467	while (my ($anim, $info) = each %$anims) {
2697	cf::anim::set $anim, $info->{frames}, $info->{facings};	3468	cf::anim::set $anim, $info->{frames}, $info->{facings};
2698	Coro::cede;	3469	cf::cede_to_tick;
2699	}	3470	}
2700		3471
2701	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2702	}	3473	}
2703		3474
		3475	{
		3476	my $res = $facedata->{resource};
		3477
		3478	while (my ($name, $info) = each %$res) {
		3479	if (defined $info->{type}) {
		3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3481
		3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3483	cf::face::set_type $idx, $info->{type};
		3484	} else {
		3485	$RESOURCE{$name} = $info; # unused
		3486	}
		3487
		3488	cf::cede_to_tick;
		3489	}
		3490	}
		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2704	1	3494	1
2705	}	3495	}
2706		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2707	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2708	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2709	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
		3522
		3523	for (cf::region::list) {
		3524	$_->{match} = qr/$_->{match}/
		3525	if exists $_->{match};
		3526	}
2710	}	3527	}
2711		3528
2712	sub reload_facedata {	3529	sub reload_facedata {
2713	load_facedata "$DATADIR/facedata"	3530	load_facedata "$DATADIR/facedata"
2714	or die "unable to load facedata\n";	3531	or die "unable to load facedata\n";
2715	}	3532	}
2716		3533
2717	sub reload_archetypes {	3534	sub reload_archetypes {
2718	load_resource_file "$DATADIR/archetypes"	3535	load_resource_file "$DATADIR/archetypes"
2719	or die "unable to load archetypes\n";	3536	or die "unable to load archetypes\n";
2720	#d# NEED to laod twice to resolve forward references
2721	# this really needs to be done in an extra post-pass
2722	# (which needs to be synchronous, so solve it differently)
2723	load_resource_file "$DATADIR/archetypes"
2724	or die "unable to load archetypes\n";
2725	}	3537	}
2726		3538
2727	sub reload_treasures {	3539	sub reload_treasures {
2728	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2729	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2730	}	3542	}
2731		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2732	sub reload_resources {	3567	sub reload_resources {
2733	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2734		3569
		3570	reload_exp_table;
		3571	reload_materials;
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2735	reload_regions;	3575	reload_regions;
2736	reload_facedata;
2737	#reload_archetypes;#d#
2738	reload_archetypes;
2739	reload_treasures;	3576	reload_treasures;
2740		3577
2741	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2742	}	3579	}
2743		3580
2744	sub init {	3581	sub reload_config {
2745	reload_resources;	3582	trace "reloading config file...\n";
2746	}
2747		3583
2748	sub cfg_load {	3584	0 < aio_load "$CONFDIR/config", my $config
2749	open my $fh, "<:utf8", "$CONFDIR/config"	3585	or die "$CONFDIR/config: $!";
2750	or return;
2751		3586
2752	local $/;	3587	utf8::decode $config;
2753	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = yaml_load $config;
2754		3589
2755	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2756		3591
2757	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2758	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2759		3594
2760	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2764	};	3599	};
2765	warn $@ if $@;	3600	warn $@ if $@;
2766	}	3601	}
2767	}	3602	}
2768		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
		3630	}
		3631
2769	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2770	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2771	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2772	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2773	(async {	3645	(async {
2774	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2775	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2776	};	3649	};
2777		3650
2778	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	cf::incloader::init ();
		3655
		3656	cf::init_anim;
		3657	cf::init_attackmess;
		3658	cf::init_dynamic;
		3659
		3660	cf::load_settings;
		3661
		3662	reload_resources;
		3663	reload_config;
2779	db_init;	3664	db_init;
		3665
		3666	cf::init_uuid;
		3667	cf::init_signals;
		3668	cf::init_skills;
		3669
		3670	cf::init_beforeplay;
		3671
		3672	atomic;
		3673
2780	load_extensions;	3674	load_extensions;
2781		3675
2782	$TICK_WATCHER->start;	3676	utime time, time, $RUNTIMEFILE;
2783	Event::loop;	3677
		3678	# no (long-running) fork's whatsoever before this point(!)
		3679	use POSIX ();
		3680	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3681
		3682	cf::_post_init 0;
		3683	};
		3684
		3685	cf::object::thawer::errors_are_fatal 0;
		3686	info "parse errors in files are no longer fatal from this point on.\n";
		3687
		3688	my $free_main; $free_main = EV::idle sub {
		3689	undef $free_main;
		3690	undef &main; # free gobs of memory :)
		3691	};
		3692
		3693	goto &main_loop;
2784	}	3694	}
2785		3695
2786	#############################################################################	3696	#############################################################################
2787	# initialisation and cleanup	3697	# initialisation and cleanup
2788		3698
2789	# install some emergency cleanup handlers	3699	# install some emergency cleanup handlers
2790	BEGIN {	3700	BEGIN {
		3701	our %SIGWATCHER = ();
2791	for my $signal (qw(INT HUP TERM)) {	3702	for my $signal (qw(INT HUP TERM)) {
2792	Event->signal (	3703	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2793	reentrant => 0,
2794	data => WF_AUTOCANCEL,
2795	signal => $signal,
2796	prio => 0,
2797	cb => sub {
2798	cf::cleanup "SIG$signal";	3704	cf::cleanup "SIG$signal";
2799	},
2800	);	3705	};
2801	}	3706	}
2802	}	3707	}
2803		3708
2804	sub write_runtime {	3709	sub write_runtime_sync {
2805	my $runtime = "$LOCALDIR/runtime";	3710	my $t0 = AE::time;
2806		3711
2807	# first touch the runtime file to show we are still running:	3712	# first touch the runtime file to show we are still running:
2808	# the fsync below can take a very very long time.	3713	# the fsync below can take a very very long time.
2809		3714
2810	IO::AIO::aio_utime $runtime, undef, undef;	3715	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2811		3716
2812	my $guard = cf::lock_acquire "write_runtime";	3717	my $guard = cf::lock_acquire "write_runtime";
2813		3718
2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3719	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2815	or return;	3720	or return;
2816		3721
2817	my $value = $cf::RUNTIME + 90 + 10;	3722	my $value = $cf::RUNTIME + 90 + 10;
2818	# 10 is the runtime save interval, for a monotonic clock	3723	# 10 is the runtime save interval, for a monotonic clock
2819	# 60 allows for the watchdog to kill the server.	3724	# 60 allows for the watchdog to kill the server.
…		…
2829	aio_utime $fh, undef, undef;	3734	aio_utime $fh, undef, undef;
2830		3735
2831	close $fh	3736	close $fh
2832	or return;	3737	or return;
2833		3738
2834	aio_rename "$runtime~", $runtime	3739	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2835	and return;	3740	and return;
2836		3741
2837	warn "runtime file written.\n";	3742	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2838		3743
2839	1	3744	1
		3745	}
		3746
		3747	our $uuid_lock;
		3748	our $uuid_skip;
		3749
		3750	sub write_uuid_sync($) {
		3751	$uuid_skip ||= $_[0];
		3752
		3753	return if $uuid_lock;
		3754	local $uuid_lock = 1;
		3755
		3756	my $uuid = "$LOCALDIR/uuid";
		3757
		3758	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3759	or return;
		3760
		3761	my $value = uuid_seq uuid_cur;
		3762
		3763	unless ($value) {
		3764	info "cowardly refusing to write zero uuid value!\n";
		3765	return;
		3766	}
		3767
		3768	my $value = uuid_str $value + $uuid_skip;
		3769	$uuid_skip = 0;
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	close $fh
		3779	or return;
		3780
		3781	aio_rename "$uuid~", $uuid
		3782	and return;
		3783
		3784	trace "uuid file written ($value).\n";
		3785
		3786	1
		3787
		3788	}
		3789
		3790	sub write_uuid($$) {
		3791	my ($skip, $sync) = @_;
		3792
		3793	$sync ? write_uuid_sync $skip
		3794	: async { write_uuid_sync $skip };
2840	}	3795	}
2841		3796
2842	sub emergency_save() {	3797	sub emergency_save() {
2843	my $freeze_guard = cf::freeze_mainloop;	3798	my $freeze_guard = cf::freeze_mainloop;
2844		3799
2845	warn "enter emergency perl save\n";	3800	info "emergency_perl_save: enter\n";
		3801
		3802	# this is a trade-off: we want to be very quick here, so
		3803	# save all maps without fsync, and later call a global sync
		3804	# (which in turn might be very very slow)
		3805	local $USE_FSYNC = 0;
2846		3806
2847	cf::sync_job {	3807	cf::sync_job {
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
2848	# use a peculiar iteration method to avoid tripping on perl	3810	# use a peculiar iteration method to avoid tripping on perl
2849	# refcount bugs in for. also avoids problems with players	3811	# refcount bugs in for. also avoids problems with players
2850	# and maps saved/destroyed asynchronously.	3812	# and maps saved/destroyed asynchronously.
2851	warn "begin emergency player save\n";	3813	info "emergency_perl_save: begin player save\n";
2852	for my $login (keys %cf::PLAYER) {	3814	for my $login (keys %cf::PLAYER) {
2853	my $pl = $cf::PLAYER{$login} or next;	3815	my $pl = $cf::PLAYER{$login} or next;
2854	$pl->valid or next;	3816	$pl->valid or next;
		3817	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2855	$pl->save;	3818	$pl->save;
2856	}	3819	}
2857	warn "end emergency player save\n";	3820	info "emergency_perl_save: end player save\n";
2858		3821
2859	warn "begin emergency map save\n";	3822	cf::write_runtime_sync; # external watchdog should not bark
		3823
		3824	info "emergency_perl_save: begin map save\n";
2860	for my $path (keys %cf::MAP) {	3825	for my $path (keys %cf::MAP) {
2861	my $map = $cf::MAP{$path} or next;	3826	my $map = $cf::MAP{$path} or next;
2862	$map->valid or next;	3827	$map->valid or next;
2863	$map->save;	3828	$map->save;
2864	}	3829	}
2865	warn "end emergency map save\n";	3830	info "emergency_perl_save: end map save\n";
2866		3831
2867	warn "begin emergency database checkpoint\n";	3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
		3834	info "emergency_perl_save: begin database checkpoint\n";
2868	BDB::db_env_txn_checkpoint $DB_ENV;	3835	BDB::db_env_txn_checkpoint $DB_ENV;
2869	warn "end emergency database checkpoint\n";	3836	info "emergency_perl_save: end database checkpoint\n";
		3837
		3838	info "emergency_perl_save: begin write uuid\n";
		3839	write_uuid_sync 1;
		3840	info "emergency_perl_save: end write uuid\n";
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
		3844	trace "emergency_perl_save: syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
		3847	info "emergency_perl_save: starting sync\n";
		3848	IO::AIO::aio_sync sub {
		3849	info "emergency_perl_save: finished sync\n";
		3850	};
		3851
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
		3854	trace "emergency_perl_save: flushing outstanding aio requests";
		3855	while (IO::AIO::nreqs || BDB::nreqs) {
		3856	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3857	}
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
2870	};	3860	};
2871		3861
2872	warn "leave emergency perl save\n";	3862	info "emergency_perl_save: leave\n";
2873	}	3863	}
2874		3864
2875	sub post_cleanup {	3865	sub post_cleanup {
2876	my ($make_core) = @_;	3866	my ($make_core) = @_;
2877		3867
		3868	IO::AIO::flush;
		3869
2878	warn Carp::longmess "post_cleanup backtrace"	3870	error Carp::longmess "post_cleanup backtrace"
2879	if $make_core;	3871	if $make_core;
		3872
		3873	my $fh = pidfile;
		3874	unlink $PIDFILE if <$fh> == $$;
		3875	}
		3876
		3877	# a safer delete_package, copied from Symbol
		3878	sub clear_package($) {
		3879	my $pkg = shift;
		3880
		3881	# expand to full symbol table name if needed
		3882	unless ($pkg =~ /^main::.*::$/) {
		3883	$pkg = "main$pkg" if $pkg =~ /^::/;
		3884	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3885	$pkg .= '::' unless $pkg =~ /::$/;
		3886	}
		3887
		3888	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3889	my $stem_symtab = *{$stem}{HASH};
		3890
		3891	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3892	or return;
		3893
		3894	# clear all symbols
		3895	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3896	for my $name (keys %$leaf_symtab) {
		3897	_gv_clear *{"$pkg$name"};
		3898	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3899	}
2880	}	3900	}
2881		3901
2882	sub do_reload_perl() {	3902	sub do_reload_perl() {
2883	# can/must only be called in main	3903	# can/must only be called in main
2884	if ($Coro::current != $Coro::main) {	3904	unless (in_main) {
2885	warn "can only reload from main coroutine";	3905	error "can only reload from main coroutine";
2886	return;	3906	return;
2887	}	3907	}
2888		3908
2889	warn "reloading...";	3909	return if $RELOAD++;
2890		3910
2891	warn "entering sync_job";	3911	my $t1 = AE::time;
2892		3912
		3913	while ($RELOAD) {
		3914	cf::get_slot 0.1, -1, "reload_perl";
		3915	info "perl_reload: reloading...";
		3916
		3917	trace "perl_reload: entering sync_job";
		3918
2893	cf::sync_job {	3919	cf::sync_job {
2894	cf::write_runtime; # external watchdog should not bark
2895	cf::emergency_save;	3920	#cf::emergency_save;
2896	cf::write_runtime; # external watchdog should not bark
2897		3921
2898	warn "syncing database to disk";
2899	BDB::db_env_txn_checkpoint $DB_ENV;
2900
2901	# if anything goes wrong in here, we should simply crash as we already saved
2902
2903	warn "cancelling all WF_AUTOCANCEL watchers";
2904	for (Event::all_watchers) {
2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2906	}
2907
2908	warn "flushing outstanding aio requests";
2909	for (;;) {
2910	BDB::flush;
2911	IO::AIO::flush;
2912	Coro::cede;
2913	last unless IO::AIO::nreqs || BDB::nreqs;
2914	warn "iterate...";
2915	}
2916
2917	++$RELOAD;
2918
2919	warn "cancelling all extension coros";	3922	trace "perl_reload: cancelling all extension coros";
2920	$_->cancel for values %EXT_CORO;	3923	$_->cancel for values %EXT_CORO;
2921	%EXT_CORO = ();	3924	%EXT_CORO = ();
2922		3925
2923	warn "removing commands";	3926	trace "perl_reload: removing commands";
2924	%COMMAND = ();	3927	%COMMAND = ();
2925		3928
2926	warn "removing ext/exti commands";	3929	trace "perl_reload: removing ext/exti commands";
2927	%EXTCMD = ();	3930	%EXTCMD = ();
2928	%EXTICMD = ();	3931	%EXTICMD = ();
2929		3932
2930	warn "unloading/nuking all extensions";	3933	trace "perl_reload: unloading/nuking all extensions";
2931	for my $pkg (@EXTS) {	3934	for my $pkg (@EXTS) {
2932	warn "... unloading $pkg";	3935	trace "... unloading $pkg";
2933		3936
2934	if (my $cb = $pkg->can ("unload")) {	3937	if (my $cb = $pkg->can ("unload")) {
2935	eval {	3938	eval {
2936	$cb->($pkg);	3939	$cb->($pkg);
2937	1	3940	1
2938	} or warn "$pkg unloaded, but with errors: $@";	3941	} or error "$pkg unloaded, but with errors: $@";
		3942	}
		3943
		3944	trace "... clearing $pkg";
		3945	clear_package $pkg;
2939	}	3946	}
2940		3947
2941	warn "... nuking $pkg";
2942	Symbol::delete_package $pkg;
2943	}
2944
2945	warn "unloading all perl modules loaded from $LIBDIR";	3948	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2946	while (my ($k, $v) = each %INC) {	3949	while (my ($k, $v) = each %INC) {
2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3950	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2948		3951
2949	warn "... unloading $k";	3952	trace "... unloading $k";
2950	delete $INC{$k};	3953	delete $INC{$k};
2951		3954
2952	$k =~ s/\.pm$//;	3955	$k =~ s/\.pm$//;
2953	$k =~ s/\//::/g;	3956	$k =~ s/\//::/g;
2954		3957
2955	if (my $cb = $k->can ("unload_module")) {	3958	if (my $cb = $k->can ("unload_module")) {
2956	$cb->();	3959	$cb->();
		3960	}
		3961
		3962	clear_package $k;
2957	}	3963	}
2958		3964
2959	Symbol::delete_package $k;
2960	}
2961
2962	warn "getting rid of safe::, as good as possible";	3965	trace "perl_reload: getting rid of safe::, as good as possible";
2963	Symbol::delete_package "safe::$_"	3966	clear_package "safe::$_"
2964	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3967	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2965		3968
2966	warn "unloading cf.pm \"a bit\"";	3969	trace "perl_reload: unloading cf.pm \"a bit\"";
2967	delete $INC{"cf.pm"};	3970	delete $INC{"cf.pm"};
2968	delete $INC{"cf/pod.pm"};	3971	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2969		3972
2970	# don't, removes xs symbols, too,	3973	# don't, removes xs symbols, too,
2971	# and global variables created in xs	3974	# and global variables created in xs
2972	#Symbol::delete_package __PACKAGE__;	3975	#clear_package __PACKAGE__;
2973		3976
2974	warn "unload completed, starting to reload now";	3977	info "perl_reload: unload completed, starting to reload now";
2975		3978
2976	warn "reloading cf.pm";	3979	trace "perl_reload: reloading cf.pm";
2977	require cf;	3980	require cf;
2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3981	cf::_connect_to_perl_1;
2979		3982
2980	warn "loading config and database again";	3983	trace "perl_reload: loading config and database again";
2981	cf::cfg_load;	3984	cf::reload_config;
2982		3985
2983	warn "loading extensions";	3986	trace "perl_reload: loading extensions";
2984	cf::load_extensions;	3987	cf::load_extensions;
2985		3988
		3989	if ($REATTACH_ON_RELOAD) {
2986	warn "reattaching attachments to objects/players";	3990	trace "perl_reload: reattaching attachments to objects/players";
2987	_global_reattach; # objects, sockets	3991	_global_reattach; # objects, sockets
2988	warn "reattaching attachments to maps";	3992	trace "perl_reload: reattaching attachments to maps";
2989	reattach $_ for values %MAP;	3993	reattach $_ for values %MAP;
2990	warn "reattaching attachments to players";	3994	trace "perl_reload: reattaching attachments to players";
2991	reattach $_ for values %PLAYER;	3995	reattach $_ for values %PLAYER;
		3996	}
2992		3997
2993	warn "leaving sync_job";	3998	cf::_post_init 1;
2994		3999
		4000	trace "perl_reload: leaving sync_job";
		4001
2995	1	4002	1
2996	} or do {	4003	} or do {
2997	warn $@;	4004	error $@;
2998	warn "error while reloading, exiting.";	4005	cf::cleanup "perl_reload: error, exiting.";
2999	exit 1;	4006	};
		4007
		4008	--$RELOAD;
3000	};	4009	}
3001		4010
3002	warn "reloaded";	4011	$t1 = AE::time - $t1;
		4012	info "perl_reload: completed in ${t1}s\n";
3003	};	4013	};
3004		4014
3005	our $RELOAD_WATCHER; # used only during reload	4015	our $RELOAD_WATCHER; # used only during reload
3006		4016
3007	sub reload_perl() {	4017	sub reload_perl() {
3008	# doing reload synchronously and two reloads happen back-to-back,	4018	# doing reload synchronously and two reloads happen back-to-back,
3009	# coro crashes during coro_state_free->destroy here.	4019	# coro crashes during coro_state_free->destroy here.
3010		4020
3011	$RELOAD_WATCHER ||= Event->timer (	4021	$RELOAD_WATCHER ||= cf::async {
3012	reentrant => 0,	4022	Coro::AIO::aio_wait cache_extensions;
3013	after => 0,	4023
3014	data => WF_AUTOCANCEL,	4024	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3015	cb => sub {
3016	do_reload_perl;	4025	do_reload_perl;
3017	undef $RELOAD_WATCHER;	4026	undef $RELOAD_WATCHER;
3018	},	4027	};
3019	);	4028	};
3020	}	4029	}
3021		4030
3022	register_command "reload" => sub {	4031	register_command "reload" => sub {
3023	my ($who, $arg) = @_;	4032	my ($who, $arg) = @_;
3024		4033
3025	if ($who->flag (FLAG_WIZ)) {	4034	if ($who->flag (FLAG_WIZ)) {
3026	$who->message ("reloading server.");	4035	$who->message ("reloading server.");
		4036	async {
		4037	$Coro::current->{desc} = "perl_reload";
3027	async { reload_perl };	4038	reload_perl;
		4039	};
3028	}	4040	}
3029	};	4041	};
3030		4042
3031	unshift @INC, $LIBDIR;	4043	#############################################################################
3032		4044
3033	my $bug_warning = 0;	4045	my $bug_warning = 0;
3034		4046
3035	our @WAIT_FOR_TICK;	4047	our @WAIT_FOR_TICK;
3036	our @WAIT_FOR_TICK_BEGIN;	4048	our @WAIT_FOR_TICK_BEGIN;
3037		4049
3038	sub wait_for_tick {	4050	sub wait_for_tick() {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		4052
3042	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK, $signal;	4054	push @WAIT_FOR_TICK, $signal;
3044	$signal->wait;	4055	$signal->wait;
3045	}	4056	}
3046		4057
3047	sub wait_for_tick_begin {	4058	sub wait_for_tick_begin() {
3048	return unless $TICK_WATCHER->is_active;
3049	return if $Coro::current == $Coro::main;	4059	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3050		4060
3051	my $signal = new Coro::Signal;	4061	my $signal = new Coro::Signal;
3052	push @WAIT_FOR_TICK_BEGIN, $signal;	4062	push @WAIT_FOR_TICK_BEGIN, $signal;
3053	$signal->wait;	4063	$signal->wait;
3054	}	4064	}
3055		4065
3056	my $min = 1e6;#d#	4066	sub tick {
3057	my $avg = 10;
3058	$TICK_WATCHER = Event->timer (
3059	reentrant => 0,
3060	parked => 1,
3061	prio => 0,
3062	at => $NEXT_TICK || $TICK,
3063	data => WF_AUTOCANCEL,
3064	cb => sub {
3065	if ($Coro::current != $Coro::main) {	4067	if ($Coro::current != $Coro::main) {
3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4068	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3067	unless ++$bug_warning > 10;	4069	unless ++$bug_warning > 10;
3068	return;	4070	return;
3069	}	4071	}
3070		4072
3071	$NOW = $tick_start = Event::time;
3072
3073	cf::server_tick; # one server iteration	4073	cf::server_tick; # one server iteration
3074		4074
3075	0 && sync_job {#d#	4075	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3076	for(1..10) {
3077	my $t = Event::time;
3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3079	or die;
3080		4076
3081	$map->width (50);	4077	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3082	$map->height (50);	4078	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3083	$map->alloc;	4079	Coro::async_pool {
3084	$map->_load_objects ("/tmp/x.map", 1);	4080	$Coro::current->{desc} = "runtime saver";
3085	my $t = Event::time - $t;	4081	write_runtime_sync
3086		4082	or error "ERROR: unable to write runtime file: $!";
3087	#next unless $t < 0.0013;#d#
3088	if ($t < $min) {
3089	$min = $t;
3090	}
3091	$avg = $avg * 0.99 + $t * 0.01;
3092	}
3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3094	exit 0;
3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3096	};	4083	};
		4084	}
3097		4085
3098	$RUNTIME += $TICK;
3099	$NEXT_TICK += $TICK;
3100
3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
3103	Coro::async_pool {
3104	write_runtime
3105	or warn "ERROR: unable to write runtime file: $!";
3106	};
3107	}
3108
3109	# my $AFTER = Event::time;
3110	# warn $AFTER - $NOW;#d#
3111
3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4086	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3113	$sig->send;	4087	$sig->send;
3114	}	4088	}
3115	while (my $sig = shift @WAIT_FOR_TICK) {	4089	while (my $sig = shift @WAIT_FOR_TICK) {
3116	$sig->send;	4090	$sig->send;
3117	}	4091	}
3118		4092
3119	$NOW = Event::time;	4093	$LOAD = ($NOW - $TICK_START) / $TICK;
3120
3121	# if we are delayed by four ticks or more, skip them all
3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3123
3124	$TICK_WATCHER->at ($NEXT_TICK);
3125	$TICK_WATCHER->start;
3126
3127	$LOAD = ($NOW - $tick_start) / $TICK;
3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4094	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3129		4095
3130	_post_tick;	4096	if (0) {
3131		4097	if ($NEXT_TICK) {
3132		4098	my $jitter = $TICK_START - $NEXT_TICK;
		4099	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4100	debug "jitter $JITTER\n";#d#
		4101	}
3133	},	4102	}
3134	);	4103	}
3135		4104
3136	{	4105	{
3137	BDB::max_poll_time $TICK * 0.1;	4106	# configure BDB
3138	$BDB_POLL_WATCHER = Event->io (	4107
3139	reentrant => 0,
3140	fd => BDB::poll_fileno,
3141	poll => 'r',
3142	prio => 0,
3143	data => WF_AUTOCANCEL,
3144	cb => \&BDB::poll_cb,
3145	);
3146	BDB::min_parallel 8;	4108	BDB::min_parallel 16;
3147		4109	BDB::max_poll_reqs $TICK * 0.1;
3148	BDB::set_sync_prepare {	4110	$AnyEvent::BDB::WATCHER->priority (1);
3149	my $status;
3150	my $current = $Coro::current;
3151	(
3152	sub {
3153	$status = $!;
3154	$current->ready; undef $current;
3155	},
3156	sub {
3157	Coro::schedule while defined $current;
3158	$! = $status;
3159	},
3160	)
3161	};
3162		4111
3163	unless ($DB_ENV) {	4112	unless ($DB_ENV) {
3164	$DB_ENV = BDB::db_env_create;	4113	$DB_ENV = BDB::db_env_create;
		4114	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4115	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4116	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4117	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4118	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3165		4119
3166	cf::sync_job {	4120	cf::sync_job {
3167	eval {	4121	eval {
3168	BDB::db_env_open	4122	BDB::db_env_open
3169	$DB_ENV,	4123	$DB_ENV,
…		…
3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4125	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4126	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3173	0666;	4127	0666;
3174		4128
3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4129	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3176
3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3178	$DB_ENV->set_lk_detect;
3179	};	4130	};
3180		4131
3181	cf::cleanup "db_env_open(db): $@" if $@;	4132	cf::cleanup "db_env_open(db): $@" if $@;
3182	};	4133	};
3183	}	4134	}
		4135
		4136	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4137	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4138	};
		4139	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4140	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4141	};
		4142	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4143	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4144	};
3184	}	4145	}
3185		4146
3186	{	4147	{
		4148	# configure IO::AIO
		4149
3187	IO::AIO::min_parallel 8;	4150	IO::AIO::min_parallel 8;
3188
3189	undef $Coro::AIO::WATCHER;
3190	IO::AIO::max_poll_time $TICK * 0.1;	4151	IO::AIO::max_poll_time $TICK * 0.1;
3191	$AIO_POLL_WATCHER = Event->io (	4152	undef $AnyEvent::AIO::WATCHER;
3192	reentrant => 0,
3193	data => WF_AUTOCANCEL,
3194	fd => IO::AIO::poll_fileno,
3195	poll => 'r',
3196	prio => 6,
3197	cb => \&IO::AIO::poll_cb,
3198	);
3199	}	4153	}
3200		4154
3201	my $_log_backtrace;	4155	my $_log_backtrace;
3202		4156
3203	sub _log_backtrace {	4157	sub _log_backtrace {
…		…
3206	$msg =~ s/\n//;	4160	$msg =~ s/\n//;
3207		4161
3208	# limit the # of concurrent backtraces	4162	# limit the # of concurrent backtraces
3209	if ($_log_backtrace < 2) {	4163	if ($_log_backtrace < 2) {
3210	++$_log_backtrace;	4164	++$_log_backtrace;
		4165	my $perl_bt = Carp::longmess $msg;
3211	async {	4166	async {
		4167	$Coro::current->{desc} = "abt $msg";
		4168
3212	my @bt = fork_call {	4169	my @bt = fork_call {
3213	@addr = map { sprintf "%x", $_ } @addr;	4170	@addr = map { sprintf "%x", $_ } @addr;
3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4171	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4172	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3216	or die "addr2line: $!";	4173	or die "addr2line: $!";
…		…
3224	}	4181	}
3225		4182
3226	@funcs	4183	@funcs
3227	};	4184	};
3228		4185
3229	LOG llevInfo, "[ABT] $msg\n";	4186	LOG llevInfo, "[ABT] $perl_bt\n";
		4187	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3230	LOG llevInfo, "[ABT] $_\n" for @bt;	4188	LOG llevInfo, "[ABT] $_\n" for @bt;
3231	--$_log_backtrace;	4189	--$_log_backtrace;
3232	};	4190	};
3233	} else {	4191	} else {
3234	LOG llevInfo, "[ABT] $msg\n";	4192	LOG llevInfo, "[ABT] $msg\n";
3235	LOG llevInfo, "[ABT] [suppressed]\n";	4193	LOG llevInfo, "[ABT] [suppressed]\n";
3236	}	4194	}
3237	}	4195	}
3238		4196
3239	# load additional modules	4197	# load additional modules
3240	use cf::pod;	4198	require "cf/$_.pm" for @EXTRA_MODULES;
		4199	cf::_connect_to_perl_2;
3241		4200
3242	END { cf::emergency_save }	4201	END { cf::emergency_save }
3243		4202
3244	1	4203	1
3245		4204

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