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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.526 by root, Wed Apr 21 05:48:35 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		184
116	#############################################################################	185	#############################################################################
117		186
118	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
119		188
…		…
155		224
156	The raw value load value from the last tick.	225	The raw value load value from the last tick.
157		226
158	=item %cf::CFG	227	=item %cf::CFG
159		228
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	230	from wherever your confdir points to.
162		231
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		233
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
169	=back	250	=back
170		251
171	=cut	252	=cut
172		253
173	BEGIN {	254	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	255	my $msg = join "", @_;
176		256
177	$msg .= "\n"	257	$msg .= "\n"
178	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
179		259
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		261
182	utf8::encode $msg;
183	LOG llevError, $msg;	262	LOG llevError, $msg;
184	};	263	};
185	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
186		278
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	289	for my $pkg (qw(
198	cf::global cf::attachable	290	cf::global cf::attachable
199	cf::object cf::object::player	291	cf::object cf::object::player
200	cf::client cf::player	292	cf::client cf::player
201	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
202	cf::map cf::party cf::region	295	cf::party cf::region
203	)) {	296	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	298	}
207		299
208	$Event::DIED = sub {	300	$EV::DIED = sub {
209	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
210	};	302	};
211		303
212	#############################################################################	304	#############################################################################
213		305
214	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	329	$d
238	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
239	}	331	}
240		332
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
244		334
245	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
246		336
247	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
248		338
249	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
250		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
251	=item cf::lock_wait $string	362	=item cf::lock_wait $string
252		363
253	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
254		365
255	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
256		367
257	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
260	returned.	371	returned.
261		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
262	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
264		378
265	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
266		380
267	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
268		382
269	=cut	383	=cut
270		384
271	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
272		386
273	sub lock_wait($) {	387	sub lock_wait($) {
274	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	389	}
282		390
283	sub lock_acquire($) {	391	sub lock_acquire($) {
284	my ($key) = @_;	392	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	393	}
296		394
297	sub lock_active($) {	395	sub lock_active($) {
298	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	397	}
302		398
303	sub freeze_mainloop {	399	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
305		401
306	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
308	};	469	}
309	$TICK_WATCHER->stop;	470	};
310	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
311	}	485	}
312		486
313	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
314		488
315	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		494
321	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
322		496
323	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
324		498
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	499	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	500	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	502	acceptable.
329		503
330	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		510
337	sub sync_job(&) {	511	sub sync_job(&) {
338	my ($job) = @_;	512	my ($job) = @_;
339		513
340	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	515	my $time = AE::time;
342		516
343	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
345		519
346	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	521
348	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
349		523
350	my $busy = 1;	524	my $busy = 1;
351	my @res;	525	my @res;
352		526
353	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	529	@res = eval { $job->() };
355	warn $@ if $@;	530	warn $@ if $@;
356	undef $busy;	531	undef $busy;
357	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
358		533
359	while ($busy) {	534	while ($busy) {
360	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
361	}	539	}
		540	}
362		541
363	$time = Event::time - $time;	542	my $time = AE::time - $time;
364		543
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	544	$TICK_START += $time; # do not account sync jobs to server load
369		545
370	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
371	} else {	547	} else {
372	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
373		549
…		…
398	=item fork_call { }, $args	574	=item fork_call { }, $args
399		575
400	Executes the given code block with the given arguments in a seperate	576	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	577	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	578	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	579	never block itself or use any form of event handling.
404		580
405	=cut	581	=cut
406		582
407	sub fork_call(&@) {	583	sub fork_call(&@) {
408	my ($cb, @args) = @_;	584	my ($cb, @args) = @_;
409		585
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	586	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	587	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	588	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		589
415	if (my $pid = fork) {	590	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	591	reset_signals;
428	local $SIG{__WARN__};	592	&$cb
429	local $SIG{__DIE__};	593	}, @args;
430	eval {
431	close $fh1;
432		594
433	my @res = eval { $cb->(@args) };	595	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	596	}
435	};
436		597
437	warn $@ if $@;	598	sub objinfo {
438	_exit 0;
439	}	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
440	}	634	}
441		635
442	=item $value = cf::db_get $family => $key	636	=item $value = cf::db_get $family => $key
443		637
444	Returns a single value from the environment database.	638	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	640	=item cf::db_put $family => $key => $value
447		641
448	Stores the given C<$value> in the family. It can currently store binary	642	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
451	=cut	650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
452		668
453	our $DB;	669	our $DB;
454		670
455	sub db_init {	671	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	672	cf::sync_job {
460	eval {	673	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	674	};
470	}	675	}
471		676
472	sub db_get($$) {	677	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	678	my $key = "$_[0]/$_[1]";
474		679
…		…
524	if (1) {	729	if (1) {
525	$md5 =	730	$md5 =
526	join "\x00",	731	join "\x00",
527	$processversion,	732	$processversion,
528	map {	733	map {
529	Coro::cede;	734	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	735	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	736	} 0.. $#$src;
532		737
533		738
534	my $dbmd5 = db_get cache => "$id/md5";	739	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		777
573	#############################################################################	778	#############################################################################
574		779
575	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
576		781
577	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
580		785
581	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	788	Deliantra).
584		789
585	=over 4	790	=over 4
586		791
587	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
588		793
…		…
632	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
633		838
634	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
636		841
637	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
639		844
640	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
641		846
642	=over 4	847	=over 4
…		…
840	";	1045	";
841	die if $@;	1046	die if $@;
842	}	1047	}
843		1048
844	our $override;	1049	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1051
847	sub override {	1052	sub override {
848	$override = 1;	1053	$override = 1;
849	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
850	}	1055	}
851		1056
852	sub do_invoke {	1057	sub do_invoke {
853	my $event = shift;	1058	my $event = shift;
854	my $callbacks = shift;	1059	my $callbacks = shift;
855		1060
856	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
857		1062
858	local $override;	1063	local $override;
859		1064
860	for (@$callbacks) {	1065	for (@$callbacks) {
861	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
870	}	1075	}
871		1076
872	0	1077	0
873	}	1078	}
874		1079
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1081
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1083
879	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
880		1085
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1089
885	=back	1090	=back
886		1091
887	=cut	1092	=cut
888		1093
889	#############################################################################	1094	#############################################################################
890	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
891		1138
892	sub reattach {	1139	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1141	my ($obj) = @_;
895		1142
		1143	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1145
898	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
899		1147
900	@$registry = ();	1148	@$registry = ();
901		1149
…		…
916	cf::attachable->attach (	1164	cf::attachable->attach (
917	prio => -1000000,	1165	prio => -1000000,
918	on_instantiate => sub {	1166	on_instantiate => sub {
919	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
920		1168
921	$data = from_json $data;	1169	$data = decode_json $data;
922		1170
923	for (@$data) {	1171	for (@$data) {
924	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
925		1173
926	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1190	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
944		1192
945	sync_job {	1193	sync_job {
946	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
949		1198
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
954	close $fh;	1206	aio_close $fh;
955		1207
956	if (@$objs) {	1208	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
962	close $fh;	1217	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
964	}	1219	}
965	} else {	1220	} else {
966	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
967	}	1222	}
968		1223
969	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1228	} else {
971	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
972	}	1230	}
973	} else {	1231	} else {
974	aio_unlink $filename;	1232	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
976	}	1234	}
977	}	1235	};
978	}	1236	}
979		1237
980	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
982		1240
…		…
994	or return;	1252	or return;
995		1253
996	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
998	or return;	1256	or return;
		1257
999	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
1000	}	1260	}
1001		1261
		1262	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1264	$decname, length $data, scalar @{$av || []};
		1265
1004	return ($data, $av);	1266	($data, $av)
1005	}	1267	}
1006		1268
1007	=head2 COMMAND CALLBACKS	1269	=head2 COMMAND CALLBACKS
1008		1270
1009	=over 4	1271	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1292	}
1031		1293
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1295
1034	Register a callback fro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
1035		1301
1036	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
1037	called.	1303	called.
1038		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
1039	=cut	1316	=cut
1040		1317
1041	sub register_extcmd {	1318	sub register_extcmd {
1042	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
1043		1320
1044	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
1045	}	1322	}
1046		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
1047	cf::player->attach (	1332	cf::player->attach (
1048	on_command => sub {	1333	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
1050		1335
1051	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
1052	or return;	1337	or return;
1053		1338
…		…
1058	cf::override;	1343	cf::override;
1059	},	1344	},
1060	on_extcmd => sub {	1345	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
1062		1347
1063	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1349
1065	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
1071	} else {	1365	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1367	}
1074		1368
1075	cf::override;	1369	cf::override;
1076	},	1370	},
1077	);	1371	);
		1372
		1373	# "readahead" all extensions
		1374	sub cache_extensions {
		1375	my $grp = IO::AIO::aio_group;
		1376
		1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1378	for (grep /\.ext$/, @{$_[0]}) {
		1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1380	}
		1381	};
		1382
		1383	$grp
		1384	}
1078		1385
1079	sub load_extensions {	1386	sub load_extensions {
1080	cf::sync_job {	1387	cf::sync_job {
1081	my %todo;	1388	my %todo;
1082		1389
…		…
1102		1409
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1412
1106	$ext{source} =	1413	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1415	. "#line 1 \"$path\"\n{\n"
1109	. $source	1416	. $source
1110	. "\n};\n1";	1417	. "\n};\n1";
1111		1418
1112	$todo{$base} = \%ext;	1419	$todo{$base} = \%ext;
1113	}	1420	}
1114		1421
		1422	my $pass = 0;
1115	my %done;	1423	my %done;
1116	while (%todo) {	1424	while (%todo) {
1117	my $progress;	1425	my $progress;
1118		1426
		1427	++$pass;
		1428
		1429	ext:
1119	while (my ($k, $v) = each %todo) {	1430	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1431	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1432	next ext
1122	unless exists $done{$_};	1433	unless exists $done{$_};
1123	}	1434	}
1124		1435
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1437
1127	unless (eval $v->{source}) {	1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1441	warn "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1444	if exists $v->{meta}{mandatory};
1132	warn $msg;	1445
1133	warn "mandatory extension failed to load, exiting.\n";	1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1447	delete $todo{$k};
1135	}	1448	} else {
1136		1449	$done{$k} = delete $todo{$k};
1137	warn $msg;	1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
1138	}	1455	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1456	}
1144		1457
1145	skip:	1458	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
1148	}	1466	}
1149	};	1467	};
1150	}	1468	}
1151		1469
1152	#############################################################################	1470	#############################################################################
1153		1471
1154	=back	1472	=back
1155		1473
1156	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1157		1475
1158	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1159		1477
1160	=cut	1478	=cut
1161		1479
1162	package cf::player;	1480	package cf::player;
1163		1481
1164	use Coro::AIO;	1482	use Coro::AIO;
1165		1483
1166	=head3 cf::player	1484	=head3 cf::player
1167		1485
1168	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1169		1501
1170	=item cf::player::find $login	1502	=item cf::player::find $login
1171		1503
1172	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1173		1505
…		…
1192		1524
1193	sub exists($) {	1525	sub exists($) {
1194	my ($login) = @_;	1526	my ($login) = @_;
1195		1527
1196	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1198	}	1530	}
1199		1531
1200	sub find($) {	1532	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1534	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1545
1214	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1217	}	1555	}
1218	}	1556	}
1219	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1220		1571
1221	sub save($) {	1572	sub save($) {
1222	my ($pl) = @_;	1573	my ($pl) = @_;
1223		1574
1224	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1230		1581
1231	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1233		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1234	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1235	Coro::cede;	1591	cf::cede_to_tick;
1236	}	1592	}
1237		1593
1238	sub new($) {	1594	sub new($) {
1239	my ($login) = @_;	1595	my ($login) = @_;
1240		1596
…		…
1246	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1247		1603
1248	$self	1604	$self
1249	}	1605	}
1250		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1251	=item $pl->quit_character	1617	=item $pl->quit_character
1252		1618
1253	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1255		1621
…		…
1259	my ($pl) = @_;	1625	my ($pl) = @_;
1260		1626
1261	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1262		1628
1263	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1631
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1270		1638
1271	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1676	or return [];
1309		1677
1310	my @logins;	1678	my @logins;
1311		1679
1312	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1316		1690
1317	utf8::decode $login;	1691	utf8::decode $login;
1318	push @logins, $login;	1692	push @logins, $login;
1319	}	1693	}
1320		1694
1321	\@logins	1695	\@logins
1322	}	1696	}
1323		1697
1324	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1325		1701
1326	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1327	player. May block.	1703	player. May block.
1328		1704
1329	=cut	1705	=cut
…		…
1347	}	1723	}
1348		1724
1349	\@paths	1725	\@paths
1350	}	1726	}
1351		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1352	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1353		1733
1354	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1355		1735
1356	=cut	1736	=cut
1357		1737
1358	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1360		1740
1361	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1742	}
1365		1743
1366	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1367		1745
1368	Sends an ext event to the client.	1746	Sends an ext event to the client.
1369		1747
1370	=cut	1748	=cut
1371		1749
1372	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1374		1752
1375	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1376	}	1754	}
1377		1755
1378	=head3 cf::region	1756	=head3 cf::region
1379		1757
1380	=over 4	1758	=over 4
…		…
1390	=cut	1768	=cut
1391		1769
1392	sub find_by_path($) {	1770	sub find_by_path($) {
1393	my ($path) = @_;	1771	my ($path) = @_;
1394		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1395	my ($match, $specificity);	1775	my ($match, $specificity);
1396		1776
1397	for my $region (list) {	1777	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1401	}	1781	}
1402	}	1782	}
1403		1783
…		…
1424	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1426		1806
1427	sub generate_random_map {	1807	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1429	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1813	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1459		1842
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1844	}
1462		1845
1463	# also paths starting with '/'	1846	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1848
1466	sub thawer_merge {	1849	sub thawer_merge {
1467	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1468		1851
1469	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
…		…
1523	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1524	return $self;	1907	return $self;
1525	}	1908	}
1526	}	1909	}
1527		1910
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1912	()
1530	}	1913	}
1531		1914
1532	sub init {	1915	sub init {
1533	my ($self) = @_;	1916	my ($self) = @_;
…		…
1555		1938
1556	# the temporary/swap location	1939	# the temporary/swap location
1557	sub save_path {	1940	sub save_path {
1558	my ($self) = @_;	1941	my ($self) = @_;
1559		1942
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1562	}	1945	}
1563		1946
1564	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1565	sub uniq_path {	1948	sub uniq_path {
1566	my ($self) = @_;	1949	my ($self) = @_;
1567		1950
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	1953	}
1580		1954
1581	sub decay_objects {	1955	sub decay_objects {
1582	my ($self) = @_;	1956	my ($self) = @_;
1583		1957
…		…
1596		1970
1597	sub load_header_from($) {	1971	sub load_header_from($) {
1598	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1599		1973
1600	utf8::encode $path;	1974	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1606		1983
1607	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1608		1985
1609	1	1986	1
1610	}	1987	}
…		…
1664	sub find {	2041	sub find {
1665	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1666		2043
1667	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1668		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2048
1671	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1674	or return;	2051	or return;
1675		2052
1676	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1677		2054
…		…
1679	or return;	2056	or return;
1680		2057
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1684	$map->reset;	2063	$map->reset;
1685	undef $guard;
1686	return find $path;	2064	return find $path;
1687	}	2065	}
1688		2066
1689	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1690	}	2068	}
1691	}	2069	}
1692		2070
1693	sub pre_load { }	2071	sub pre_load { }
1694	sub post_load { }	2072	#sub post_load { } # XS
1695		2073
1696	sub load {	2074	sub load {
1697	my ($self) = @_;	2075	my ($self) = @_;
1698		2076
1699	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1700		2078
1701	my $path = $self->{path};	2079	my $path = $self->{path};
1702		2080
1703	{	2081	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1705		2083
		2084	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2086
1708	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1709		2088
1710	$self->alloc;	2089	$self->alloc;
1711		2090
1712	$self->pre_load;	2091	$self->pre_load;
1713	Coro::cede;	2092	cf::cede_to_tick;
1714		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1716	or return;	2097	or return;
1717		2098
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1719	if delete $self->{load_original};	2100	if delete $self->{load_original};
1720		2101
1721	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2103	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2106	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1726	}	2110	}
1727	}	2111	}
1728		2112
1729	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1730	# now do the right thing for maps	2116	# now do the right thing for maps
1731	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2119	unless $self->difficulty;
1734	Coro::cede;	2120	cf::cede_to_tick;
1735		2121
1736	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2123	$self->decay_objects;
1738	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1739	$self->update_buttons;	2125	$self->update_buttons;
1740	Coro::cede;	2126	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2127	$self->activate;
1744	}	2128	}
1745		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2134	}
1748		2135
1749	$self->post_load;	2136	$self->post_load;
1750	}	2137	}
1751		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2142	sub customise_for {
1753	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1754		2144
1755	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2146	if $self->per_player;
…		…
1760		2150
1761	$self	2151	$self
1762	}	2152	}
1763		2153
1764	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2155	sub load_neighbours {
1766	my ($map) = @_;	2156	my ($map) = @_;
1767		2157
1768	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1769		2159
1770	for (0 .. 3) {	2160	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1772	or next;	2162	or next;
1773	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1774	or next;	2164	or next;
1775	$neigh->load;	2165	$neigh->load;
1776		2166
		2167	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2170	}
1780		2171
1781	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1783	or next;	2175	or next;
1784	$neigh->load;	2176	$neigh->load;
1785	}	2177	}
1786	}	2178	}
1787		2179
…		…
1792	}	2184	}
1793		2185
1794	sub do_load_sync {	2186	sub do_load_sync {
1795	my ($map) = @_;	2187	my ($map) = @_;
1796		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1797	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1798	}	2193	}
1799		2194
1800	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1802		2197
1803	sub find_async {	2198	sub find_async {
1804	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1805		2200
1806	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1807		2202
1808	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2205	}
1811		2206
1812	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1813	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1814	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2214	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2215	$map->load if $v;
		2216	}
1819		2217
1820	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1821	}	2219	}
1822	}	2220	}
1823	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1824	};	2222	};
1825	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1826		2224
1827	()	2225	()
1828	}	2226	}
1829		2227
		2228	# common code, used by both ->save and ->swapout
1830	sub save {	2229	sub _save {
1831	my ($self) = @_;	2230	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2231
1835	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1836		2233
1837	return unless $self->dirty;	2234	return unless $self->dirty;
1838		2235
…		…
1844	return if $self->{deny_save};	2241	return if $self->{deny_save};
1845		2242
1846	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1847		2244
1848	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1850	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1851		2251
1852	if ($uniq) {	2252	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2255	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2257	}
1858	}	2258	}
1859		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1860	sub swap_out {	2268	sub swap_out {
1861	my ($self) = @_;	2269	my ($self) = @_;
1862		2270
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1868	return if $self->players;	2275	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1872	$self->clear;	2286	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2287	}
1875		2288
1876	sub reset_at {	2289	sub reset_at {
1877	my ($self) = @_;	2290	my ($self) = @_;
1878		2291
…		…
1896		2309
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2311
1899	return if $self->players;	2312	return if $self->players;
1900		2313
1901	warn "resetting map ", $self->path;	2314	warn "resetting map ", $self->path, "\n";
1902		2315
1903	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1904		2317
1905	# need to save uniques path	2318	# need to save uniques path
1906	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2323	if $uniq;
1911	}	2324	}
1912		2325
1913	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1914		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2330	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2331
1919	$self->unlink_save;	2332	$self->unlink_save;
1920	$self->destroy;	2333	$self->destroy;
1921	}	2334	}
1922		2335
1923	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1924		2337
1925	sub nuke {	2338	sub nuke {
1926	my ($self) = @_;	2339	my ($self) = @_;
1927		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1928	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1929		2345
1930	$self->unlink_save;	2346	$self->unlink_save;
1931		2347
1932	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2353
1938	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1939		2356
1940	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1941	}	2358	}
1942		2359
1943	=item $maps = cf::map::tmp_maps	2360	=item $maps = cf::map::tmp_maps
…		…
1985		2402
1986	sub unique_maps() {	2403	sub unique_maps() {
1987	[	2404	[
1988	map {	2405	map {
1989	utf8::decode $_;	2406	utf8::decode $_;
1990	/\.map$/	2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
1991	? normalise $_	2410	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2411	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2412	]
1995	}	2413	}
1996		2414
1997	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1998		2446
1999	=back	2447	=back
2000		2448
2001	=head3 cf::object	2449	=head3 cf::object
2002		2450
…		…
2006		2454
2007	=over 4	2455	=over 4
2008		2456
2009	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
2010		2458
2011	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
2012		2461
2013	=cut	2462	=cut
2014		2463
2015	sub inv_recursive_;	2464	sub inv_recursive_;
2016	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
2019		2468
2020	sub inv_recursive {	2469	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
2022	}	2471	}
2023		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
2024	package cf;	2501	package cf;
2025		2502
2026	=back	2503	=back
2027		2504
2028	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
2037		2514
2038	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
2039		2530
2040	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2532	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
2050		2541
2051	} else {	2542	} else {
2052	my $pl = $self->contr;	2543	my $pl = $self->contr;
2053		2544
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2546	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2548
2060	} else {	2549	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2552	}
2064	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
2065	}	2564	}
2066		2565
2067	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
2068		2567
2069	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
2082		2581
2083	=item $player_object->enter_link	2582	=item $player_object->enter_link
2084		2583
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2585
2087	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
2089		2590
2090	Will never block.	2591	Will never block.
2091		2592
2092	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2093		2594
…		…
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2620
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2122		2623
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2625	}
2125		2626
2126	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2128		2629
…		…
2145	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2147		2648
2148	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2151		2652
2152	$map->load;	2653	$map->load;
2153	$map->load_diag;	2654	$map->load_neighbours;
2154		2655
2155	return unless $self->contr->active;	2656	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2657
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2160	}
2161		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	# unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
		2665
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163		2667
2164	Moves the player to the given map-path and coordinates by first freezing	2668	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2669	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2670	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2671	the new (success) or old (failed) map position. In either case, $done will
		2672	be called at the end of this process.
		2673
		2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
2168		2676
2169	=cut	2677	=cut
2170		2678
2171	our $GOTOGEN;	2679	our $GOTOGEN;
2172		2680
2173	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
2175		2683
2176	# do generation counting so two concurrent goto's will be executed in-order	2684	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2686
2179	$self->enter_link;	2687	$self->enter_link;
2180		2688
2181	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
2182	my $map = eval {	2711	my $map = eval {
2183	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
2184		2713
2185	if ($map) {	2714	if ($map) {
2186	$map = $map->customise_for ($self);	2715	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2716	$map = $check->($map) if $check && $map;
2188	} else {	2717	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2719	}
2191		2720
2192	$map	2721	$map
2193	};	2722	};
2194		2723
…		…
2199		2728
2200	if ($gen == $self->{_goto_generation}) {	2729	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2730	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
2203	}	2732	}
		2733
		2734	$done->() if $done;
2204	})->prio (1);	2735	})->prio (1);
2205	}	2736	}
2206		2737
2207	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
2208		2739
…		…
2228	}	2759	}
2229		2760
2230	sub prepare_random_map {	2761	sub prepare_random_map {
2231	my ($exit) = @_;	2762	my ($exit) = @_;
2232		2763
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2766	# that depends on the exit object
2238		2767
2239	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2770	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
2246	}	2777	}
2247		2778
2248	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
2249		2780
2250	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
2253		2784
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2787	undef $fh;
2257	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
2258		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
2261	}	2796	}
2262	}	2797	}
2263		2798
2264	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2266		2801
2267	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2268		2803
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2804	$self->enter_link;
2281		2805
2282	(async {	2806	(async {
2283	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
2284	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2285	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2286		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2287	1;	2830	1
2288	}) {	2831	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2836
2294	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2313		2856
2314	utf8::encode $text;	2857	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2859	}
2317		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
2318	=item $client->ext_event ($type, %msg)	3048	=item $client->ext_msg ($type, @msg)
2319		3049
2320	Sends an exti event to the client.	3050	Sends an ext event to the client.
2321		3051
2322	=cut	3052	=cut
2323		3053
2324	sub cf::client::ext_event($$%) {	3054	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3055	my ($self, $type, @msg) = @_;
2326		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3060	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
2329	}	3081	}
2330		3082
2331	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2332		3084
2333	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3088
2337	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3090	become reliable at some point in the future.
2339		3091
2340	=cut	3092	=cut
2341		3093
2342	sub cf::client::query {	3094	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3103	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3105
2354	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
2356	}	3110	}
2357		3111
2358	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
2359	on_reply => sub {	3118	on_reply => sub {
2360	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
2361		3120
2362	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
2363	# get handled first	3122	# get handled first
…		…
2375	} else {	3134	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3136	}
2378	}	3137	}
2379	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
2380	);	3165	);
2381		3166
2382	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
2383		3168
2384	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3185
2401	$coro	3186	$coro
2402	}	3187	}
2403		3188
2404	cf::client->attach (	3189	cf::client->attach (
2405	on_destroy => sub {	3190	on_client_destroy => sub {
2406	my ($ns) = @_;	3191	my ($ns) = @_;
2407		3192
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3194	},
2410	);	3195	);
…		…
2425	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2427		3212
2428	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2429		3214
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2431		3220
2432	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2433		3222
2434	=pod	3223	=pod
2435		3224
2436	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2437		3226
2438	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2439	cf::object::player player	3232	cf::object::player
2440	cf::player peaceful	3233	player
2441	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2442		3240
2443	=cut	3241	=cut
2444		3242
2445	for (	3243	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2450	) {	3250	) {
2451	no strict 'refs';	3251	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2471		3271
2472	my $qcode = $code;	3272	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2475		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2476	local $_;	3279	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3280
2479	my $eval =	3281	my $eval =
2480	"do {\n"	3282	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3285	. $code
2484	. "\n}"	3286	. "\n}"
2485	;	3287	;
2486		3288
		3289	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2490		3298
2491	if ($@) {	3299	if ($@) {
2492	warn "$@";	3300	warn "$@";
2493	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2494	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2513	=cut	3321	=cut
2514		3322
2515	sub register_script_function {	3323	sub register_script_function {
2516	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2517		3325
2518	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2520	}	3328	}
2521		3329
2522	=back	3330	=back
2523		3331
2524	=cut	3332	=cut
…		…
2526	#############################################################################	3334	#############################################################################
2527	# the server's init and main functions	3335	# the server's init and main functions
2528		3336
2529	sub load_facedata($) {	3337	sub load_facedata($) {
2530	my ($path) = @_;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2531		3345
2532	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2533		3347
2534	my $facedata;	3348	my $facedata;
2535	0 < aio_load $path, $facedata	3349	0 < aio_load $path, $facedata
…		…
2538	$facedata = Coro::Storable::thaw $facedata;	3352	$facedata = Coro::Storable::thaw $facedata;
2539		3353
2540	$facedata->{version} == 2	3354	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
2543	{	3366	{
2544	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
2545		3368
2546	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3376
		3377	cf::cede_to_tick;
2552	}	3378	}
2553		3379
2554	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2556	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2557	or next;	3384	or next;
		3385
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3389	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3391	}
2563	Coro::cede;	3392
		3393	cf::cede_to_tick;
2564	}	3394	}
2565	}	3395	}
2566		3396
2567	{	3397	{
2568	my $anims = $facedata->{animinfo};	3398	my $anims = $facedata->{animinfo};
2569		3399
2570	while (my ($anim, $info) = each %$anims) {	3400	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3402	cf::cede_to_tick;
2573	}	3403	}
2574		3404
2575	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
2576	}	3406	}
2577		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
2578	1	3427	1
2579	}	3428	}
2580		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
2581	sub reload_regions {	3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
2582	load_resource_file "$MAPDIR/regions"	3473	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
2584	}	3480	}
2585		3481
2586	sub reload_facedata {	3482	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3483	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3484	or die "unable to load facedata\n";
…		…
2599	}	3495	}
2600		3496
2601	sub reload_resources {	3497	sub reload_resources {
2602	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
2603		3499
		3500	reload_facedata;
		3501	reload_archetypes;
2604	reload_regions;	3502	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3503	reload_treasures;
2609		3504
2610	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
2611	}	3506	}
2612		3507
2613	sub init {	3508	sub reload_config {
2614	reload_resources;	3509	warn "reloading config file...\n";
2615	}
2616		3510
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3512	or return;
2620		3513
2621	local $/;	3514	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2623		3516
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625		3518
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3526	};
2634	warn $@ if $@;	3527	warn $@ if $@;
2635	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3559	}
2637		3560
2638	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2639	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3574	(async {
2643	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2645	};	3578	};
2646		3579
2647	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2648	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2649	load_extensions;	3603	load_extensions;
2650		3604
2651	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2653	}	3618	}
2654		3619
2655	#############################################################################	3620	#############################################################################
2656	# initialisation and cleanup	3621	# initialisation and cleanup
2657		3622
2658	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2659	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2668	},
2669	);	3629	};
2670	}	3630	}
2671	}	3631	}
2672		3632
2673	sub write_runtime {	3633	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3634	my $t0 = AE::time;
2675		3635
2676	# first touch the runtime file to show we are still running:	3636	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3637	# the fsync below can take a very very long time.
2678		3638
2679	IO::AIO::aio_utime $runtime, undef, undef;	3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3640
2681	my $guard = cf::lock_acquire "write_runtime";	3641	my $guard = cf::lock_acquire "write_runtime";
2682		3642
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3644	or return;
2685		3645
2686	my $value = $cf::RUNTIME + 90 + 10;	3646	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3647	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3648	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3658	aio_utime $fh, undef, undef;
2699		3659
2700	close $fh	3660	close $fh
2701	or return;	3661	or return;
2702		3662
2703	aio_rename "$runtime~", $runtime	3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3664	and return;
2705		3665
2706	warn "runtime file written.\n";	3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3667
2708	1	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2709	}	3719	}
2710		3720
2711	sub emergency_save() {	3721	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2713		3723
2714	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2715		3725
2716	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2717	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3740	$pl->save;
2725	}	3741	}
2726	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2727		3743
2728	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3747	$map->valid or next;
2732	$map->save;	3748	$map->save;
2733	}	3749	}
2734	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2735		3751
2736	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2739	};	3759	};
2740		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2741	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2742	}	3767	}
2743		3768
2744	sub post_cleanup {	3769	sub post_cleanup {
2745	my ($make_core) = @_;	3770	my ($make_core) = @_;
2746		3771
2747	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
2749	}	3802	}
2750		3803
2751	sub do_reload_perl() {	3804	sub do_reload_perl() {
2752	# can/must only be called in main	3805	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2754	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2755	return;	3808	return;
2756	}	3809	}
2757		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2758	warn "reloading...";	3816	warn "reloading...";
2759		3817
2760	warn "entering sync_job";	3818	warn "entering sync_job";
2761		3819
2762	cf::sync_job {	3820	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3822	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2766		3824
2767	warn "syncing database to disk";	3825	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3827
2770	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2771		3829
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3833	}
2808		3834
2809	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2811	}	3837	%EXT_CORO = ();
2812		3838
2813	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2814	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3848	warn "... unloading $pkg";
2818	delete $INC{$k};
2819		3849
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2824	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2825	}	3859	}
2826		3860
2827	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2828	}	3876	}
2829		3877
2830	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3881
2834	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3885
2838	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3887	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2841		3889
2842	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2843		3891
2844	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2845	require cf;	3893	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2847		3895
2848	warn "loading config and database again";	3896	warn "loading config and database again";
2849	cf::cfg_load;	3897	cf::reload_config;
2850		3898
2851	warn "loading extensions";	3899	warn "loading extensions";
2852	cf::load_extensions;	3900	cf::load_extensions;
2853		3901
		3902	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
2860		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
2861	warn "leaving sync_job";	3914	warn "leaving sync_job";
2862		3915
2863	1	3916	1
2864	} or do {	3917	} or do {
2865	warn $@;	3918	warn $@;
2866	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
2867	exit 1;
2868	};	3920	};
2869		3921
2870	warn "reloaded";	3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
2871	};	3928	};
2872		3929
2873	our $RELOAD_WATCHER; # used only during reload	3930	our $RELOAD_WATCHER; # used only during reload
2874		3931
2875	sub reload_perl() {	3932	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3933	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3934	# coro crashes during coro_state_free->destroy here.
2878		3935
2879	$RELOAD_WATCHER ||= Event->timer (	3936	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3937	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3938
2882	data => WF_AUTOCANCEL,	3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3940	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3941	undef $RELOAD_WATCHER;
2886	},	3942	};
2887	);	3943	};
2888	}	3944	}
2889		3945
2890	register_command "reload" => sub {	3946	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2892		3948
2893	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3953	reload_perl;
		3954	};
2896	}	3955	}
2897	};	3956	};
2898		3957
2899	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2900		3959
…		…
2902		3961
2903	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
2905		3964
2906	sub wait_for_tick {	3965	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		3967
2910	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3970	$signal->wait;
2913	}	3971	}
2914		3972
2915	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		3975
2919	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	3978	$signal->wait;
2922	}	3979	}
2923		3980
2924	my $min = 1e6;#d#	3981	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
2936	return;	3985	return;
2937	}	3986	}
2938		3987
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2942		3989
2943	0 && sync_job {#d#	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		3991
2949	$map->width (50);	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	3994	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	3995	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	3996	write_runtime_sync
2954		3997	or warn "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	3998	};
		3999	}
2965		4000
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4002	$sig->send;
2982	}	4003	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4005	$sig->send;
2985	}	4006	}
2986		4007
2987	$NOW = Event::time;	4008	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4010
2998	_post_tick;	4011	if (0) {
2999		4012	if ($NEXT_TICK) {
3000		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
3001	},	4017	}
3002	);	4018	}
3003		4019
3004	{	4020	{
3005	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4022
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
3015		4024	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4026
3031	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4034
3034	cf::sync_job {	4035	cf::sync_job {
3035	eval {	4036	eval {
3036	BDB::db_env_open	4037	BDB::db_env_open
3037	$DB_ENV,	4038	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4042	0666;
3042		4043
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4045	};
3048		4046
3049	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4048	};
3051	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
3052	}	4060	}
3053		4061
3054	{	4062	{
		4063	# configure IO::AIO
		4064
3055	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4068	}
3068		4069
3069	my $_log_backtrace;	4070	my $_log_backtrace;
3070		4071
3071	sub _log_backtrace {	4072	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4075	$msg =~ s/\n//;
3075		4076
3076	# limit the # of concurrent backtraces	4077	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4078	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
3079	async {	4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
3080	my @bt = fork_call {	4084	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4085	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4088	or die "addr2line: $!";
…		…
3092	}	4096	}
3093		4097
3094	@funcs	4098	@funcs
3095	};	4099	};
3096		4100
3097	LOG llevInfo, "[ABT] $msg\n";	4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4103	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4104	--$_log_backtrace;
3100	};	4105	};
3101	} else {	4106	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4107	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4108	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4109	}
3105	}	4110	}
3106		4111
3107	# load additional modules	4112	# load additional modules
3108	use cf::pod;	4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
3109		4115
3110	END { cf::emergency_save }	4116	END { cf::emergency_save }
3111		4117
3112	1	4118	1
3113		4119

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